Consulta: subjectFacets:"Longevity"
Registros recuperados: 55
Data/hora: 06/06/2024 01:21:46

Manejo y conservación de germoplasma de la familia Caricaceae.
Provedor de dados: 32
Autores: Romero Rodríguez, Jorge Arturo.
Especies de la familia Caricaceae han encontrado condiciones favorables para desarrollar y diversificarse en México, cinco de los géneros que prosperan en América, cuentan con al menos una especie en el país y se considera que la especie más importante económicamente, Carica papaya L., tiene su centro de alta diversidad en el sureste del país, además de dos géneros endémicos que prosperan en regiones semiáridas y de bosque mesófilo. Sin embargo, la investigación que se realiza al respecto es limitada y buena parte de la información existente de la familia proviene de otras latitudes. Dada la responsabilidad del país de salvaguardar y dar uso eficiente a la diversidad de Carica papaya y demás integrantes de la familia Caricaceae, la presente investigación...
Palavras-chave: Germoplasma; Diversidad; Longevidad; Latencia; Acondicionamiento; Germplasm; Diversity; Longevity; Latency; Profit; Producción de Semillas; Doctorado.
Ano: 2013
URL: http://hdl.handle.net/10521/2192

Effects of caffeine and used coffee grounds on biological features of Aedes aegypti (Diptera, Culicidae) and their possible use in alternative control
Provedor de dados: 74
Autores: Laranja,Alessandra Theodoro; Manzatto,Antonio José; Campos Bicudo,Hermione Elly Melara de.
Caffeine and used coffee grounds completely blocked the development of Aedes aegypti in the early stages, in treatments with the concentrations 1.0 mg/mL and 50 mg/mL, respectively. More advanced stages and even adults were obtained in lower concentrations of both substances, enabling observations to be made of mortality rate, longevity and esterase patterns. The experiments involved treatments using either eggs or 3rd instar larvae (L3), with or without the addition of fish food. Mortality rates prior to the adult stage and adult longevity were significantly different in the comparisons among treatments, in every kind of experiment, but in those using L3 larvae, their percentages were smaller. Observations of the time of larva and adult onset suggested...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aedes aegypti; Caffeine; Used coffee grounds; Mortality; Longevity; Esterases; Alternative control.
Ano: 2003
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572003000400004

Enhanced tethered-flight duration and locomotor activity by overexpression of the human gene SOD1 in Drosophila motorneurons
Provedor de dados: 74
Autores: Petrosyan,Agavni; Hsieh,I-Hui; Phillips,John P.; Saberi,Kourosh.
Mutation of the human gene superoxide dismutase (hSOD1) is associated with the fatal neurodegenerative disease familial amyotrophic lateral sclerosis (Lou Gehrig’s disease). Selective overexpression of hSOD1 in Drosophila motorneurons increases lifespan to 140% of normal. The current study was designed to determine resistance to lifespan decline and failure of sensorimotor functions by overexpressing hSOD1 in Drosophila‘s motorneurons. First, we measured the ability to maintain continuous flight and wingbeat frequency (WBF) as a function of age (5 to 50 days). Flies overexpressing hSOD1 under the D42-GAL4 activator were able to sustain flight significantly longer than controls, with the largest effect observed in the middle stages of life. The...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Behavioral genetics; Superoxide dismutase; Drosophila; Motorneuron; Longevity.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-47572015000100107

Differences on allocation of available resources, in growth, reproduction, and survival, in an exotic gastropod of Physidae compared to an endemic one
Provedor de dados: 76
Autores: Núñez,Verónica.
Physa acuta Draparnaud, 1805 is an invasive gastropod that can affect local species. In Argentina, it is widespread and abundant, even in environments inhabited by the native species Stenophysa marmorata Guilding, 1828. Its predominance raises the question whether this could be explained by a more successful energy allocation in functional requirements (growth, reproduction and survival) compared to S. marmorata. This study was aimed at comparing growth rates, as well as survival and fecundity, between both species under laboratory conditions. Individuals born on the same day were grouped in four per aquaria and kept under controlled conditions of food, light, and temperature. Snails were weekly measured (maximum shell length), and growth rates were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fecundity; Invasive species; Longevity; Physa acuta; Stenophysa marmorata.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212010000300014

Efeito de período de armazenamento e tipo de embalagem sobre a conservação de sementes de malva.
Provedor de dados: 14
Autores: CARVALHO, J. E. U. de; FIGUEIREDO, F. J. C.; SILVA, J. F. da.
bitstream/item/57625/1/CPATU-PA103.pdf
Tipo: Séries anteriores (INFOTECA-E)
Palavras-chave: Semente de malva; Quality; Seed; Conservation; Moisture content.; Armazenamento; Conservação; Embalagem; Qualidade; Teor de Umidade.; Longevity; Packaging; Seed storage; Vigor.
Ano: 1983
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/383165

Les ages de Niphargus virei (crustace, stygobie)
Provedor de dados: 5
Autores: Turouin-buffiere, M.
The life-span of Niphargus virei is estimated with the length histograms of annual summer samples; it fits in with the data of rare spring distributions and with the growth observed in the laboratory. Increase in body wet weight confirms the low growth rate of this species (maximum: 0.06 mg/day); the mean age of populations changes on account of rainfall, which determines the drift of part of the population out of its natural habitat.
Tipo: Text
Palavras-chave: Niphargus virei; Malacostraca; Mortality; Body size; Longevity; Growth.
Ano: 1987
URL: http://archimer.ifremer.fr/doc/1987/acte-1396.pdf

Hot summers, long life: egg laying strategies of Maniola butterflies are affected by geographic provenance rather than adult diet
Provedor de dados: 16
Autores: Grill, A.; Cerny, A.; Fiedler, K.
Maniola butterflies undergo summer dormancy in dry and hot habitats and deposit their eggs only in early autumn when conditions become more favourable for their offspring. Female individuals of this genus are therefore relatively long-lived. For long-lived butterflies adult diet is of particular importance. We tested if added amino acids in nectar substitute fed to the butterflies affected timing of oviposition, fecundity and longevity. A hundred Maniola females were sampled from Mediterranean and Central European populations and made to oviposit under controlled laboratory conditions. Forty individuals were offered sucrose solution with additional amino acids while the remainder were fed with plain sucrose solution. We found that egg-laying strategies and...
Tipo: Article / Letter to the editor
Palavras-chave: Butterfly ecology; Oviposition; Longevity; Maniola; Summer dormancy; Nectar amino acids; Nymphalidae; 42.75.
Ano: 2013
URL: http://www.repository.naturalis.nl/record/440770

Phenotypic plasticity and fitness in egg parasitoids
Provedor de dados: 82
Autores: Boivin,Guy.
Several proxies can be used to estimate the fitness of egg parasitoids: size, longevity, fecundity, mating ability and vagility. All these proxies are positively correlated with the lifetime fitness gain of an individual. However, the phenotypic plasticity, which is the ability of a genotype to produce distinct phenotypes depending on environmental conditions, may alter the value of these proxies. Host related factors (host species and quality), competition and duration of development will influence the proxies expressed by a given phenotype. When the phenotype is modified by the temperature at which an individual develops, the resulting phenotype will vary based on the life history strategy of the parasitoid. While in koinobiont species an increase in...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fitness; Proxy; Reproduction; Longevity; Phenotype.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000400001

Chilled packing systems for fruit flies (Diptera: Tephritidae) in the sterile insect technique
Provedor de dados: 82
Autores: Hernández,Emilio; Escobar,Arseny; Bravo,Bigail; Montoya,Pablo.
We evaluated three packing systems (PARC boxes, "GT" screen towers and "MX" screen towers) for the emergence and sexual maturation of sterile fruit flies, at three adult fly densities (1, 1.2 and 1.3 fly/cm²) and three food types. At the lowest density, results showed no significant differences in the longevity and flight ability of adult Anastrepha ludens (Loew) and Anastrepha obliqua Macquart among the three packing systems. Higher densities resulted in a decrease in these parameters. In the evaluation of the three food types, no significant differences were found either on longevity or flight ability of A. ludens. However, the greatest longevity for both sexes A. obliqua was obtained with commercial powdered Mb® and the mix of sugar, protein and corn...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Longevity; Flight ability; Emergence tower; Anastrepha ludens; Anastrepha obliqua.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-566X2010000400021

Growth of the Silverside Atherinella brasiliensis in Tramandaí Estuary, Southern Brazil (Actinopterygii: Atherinopsidae)
Provedor de dados: 83
Autores: Bervian,Giovana; Fontoura,Nelson F.
The growth of Atherinella brasiliensis (Quoy &amp;amp; Gaimard, 1824) was studied through monthly samples taken at Tramandaí Lagoon, Imbé County, Rio Grande do Sul, Brazil. Animals were captured using a beach seine net. Length-weight relationships and age- growth curves for males and females were adjusted. The growth parameters of the von Bertalanffy growth formulae are Linf=16.0 and k=0.883 for males and Linf=17.0 and k=0.825 for females. First reproduction occurred one year after recruitment. Once reaching maturity, adults of A. brasiliensis reproduced once more in the next spring with two-year-olds and disappeared soon after from size frequency distributions. A few captured animals showed a size compatible with an age of three years.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atherinidae; Longevity; Life cycle; Life history.
Ano: 2007
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252007000400008

Age and growth of the white croaker Micropogonias furnieri (Perciformes: Sciaenidae) in a coastal area of Southeastern Brazilian Bight
Provedor de dados: 83
Autores: Santos,Rosa S.; Costa,Marcus R. da; Araújo,Francisco G.
ABSTRACT Studies on age and growth of fish populations have direct application in fisheries and contribute for policies of conservation. Our aim was update information on the Micropogonias furnieri growth parameters based on sagittae otoliths annulis readings, and we expected that the studied population from Southeast Brazil can reach more longevity than the reported in the available literature. We examined 286 individuals between August-2010 and July-2011 from Ubatuba Bay, SP. The Total Length ranged 200-480 mm. The determined growth parameters were: Males, L∞ =523.4mm, k = 0.05×year-1, t0 = -8.78 year; Females L∞ = 573.5mm, k = 0.06 × year-1, t0 = -7.49 year. The MI and % of edge type evidenced the formation of one ring per year during autumn/winter,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coastal fishes; Growth parameters; Longevity; Marginal increment; Ubatuba.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252017000100223

Effects of Sucrose on the Longevity and Fecundity of Orius sauteri (Poppius) (Hemiptera : Anthocoridae)
Provedor de dados: 19
Autores: 前田, 聖子; 仲島, 義貴; 田頭, 栄子; 高木, 正見.
We investigated effects of sucrose solution on Onus sauteni nymphal survival rates, adult longevity and fecundity in the absence of arthropod prey. When first instar and third instar nymphs were fed 30% sucrose solution, they lived longer and reached a later instar than those fed on distilled water. However, there were no significant differences in longevity and fecundity between adult females fed sucrose and those fed distilled water. Therefore, sucrose solution provides nutritional benefits to O. sauteri nymphs, but other materials (i.e. protein) may be necessary to increase adult performance. In agro-ecosystems, it is regarded that biological control using O. sauteri can be enhanced by application of sucrose solution as a food source.
Palavras-chave: Orius sauteri; Sucroce; Longevity; Fecundity.
Ano: 2002
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2532

Effects of Sugar Supply on Longevity and Progeny Production of an Aphid Parasitoid, Aphidius ervi (Hymeno-ptera: Aphidiidae)
Provedor de dados: 19
Autores: 林, 佐季; 仲島, 義貴.
We investigated effects of sugar solution on adult longevity, progeny production and progeny sex ratio of Aphidius ervi in the presence and absence of host aphids. When female parasitoids were provided with 50% glucose–fructose solution in 1 : 1 ratio, they lived approximately twice longer than those provided with distilled water, irrespective of host aphid provision. The same effect of sugar solution was also observed on progeny production. When the parasitoid was fed sugar solution, its lifetime progeny production approximately doubled in comparison to that provided with water, whereas daily progeny production did not differ. Total number of female progeny did not differ between adult female provided with water and sugar solution, but significantly...
Palavras-chave: Biological control; Sex ratio; Sugar; Longevity; Fecundity.
Ano: 2014
URL: http://ir.obihiro.ac.jp/dspace/handle/10322/4035

A note on the life-span of r-strategists
Provedor de dados: 27
Autores: Heip, C.H.R.
The idea is presented that the short life-span of &lt;i&gt;r&lt;/i&gt;-strategists may in some cases be an adaptation to avoid predation. Evidence supporting this hypothesis is presented by examination of predation of the polyp &lt;i&gt;Protohydra leuckarti&lt;/i&gt; on harpacticoid copepods.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Longevity.
Ano: 1974
URL: http://www.vliz.be/nl/open-marien-archief?module=ref&refid=3494

Biological aspects of Harmonia axyridis in comparison with Cycloneda sanguinea and Hippodamia convergens
Provedor de dados: 86
Autores: Santos,Laís da Conceição dos; Santos-Cividanes,Terezinha Monteiro dos; Cividanes,Francisco Jorge; Matos,Sidnéia Terezinha Soares de.
The objective of this work was to evaluate the development, survival, reproductive capacity, and longevity of the Asian ladybug Harmonia axyridis in comparison with Cycloneda sanguinea and Hippodamia convergens. Coccinellid larvae and adults were fed daily with Schizaphis graminum. Ten couples of each species were isolated for evaluation of the adult phase. The duration of the larval stage of H. axyridis is the longest (10.2 days) and its adults are the heaviest (29.7 mg) compared with C. sanguinea and H. convergens. The three species showed similar percentages of survival during the developmental stages. An average of 82% of C. sanguinea, H. axyridis, and H. convergens larvae reached adulthood, which indicates that temperature (25°C) and the offered prey...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological control; Coccinellid; Development; Longevity; Ladybug; Predator.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2013001100001

Is tagging with visual implant elastomer a reliable technique for marking earthworms?
Provedor de dados: 86
Autores: Butt,Kevin Richard; Briones,Maria Jesús Iglesias; Lowe,Christopher Nathan.
Visual implant elastomer (VIE) has recently been employed to investigate different aspects of earthworm ecology. However, a number of fundamental questions relating to the detection and positioning of the tag, its persistence and potential effects on earthworms remain unknown. Seven earthworm species belonging to three ecological groupings, with different pigmentation and burrowing behaviour, were tagged using different coloured VIE. External inspection after two days, one week and 1, 10 and 27 months were followed by preservation, dissection and internal inspection. Tags could be seen in living specimens to 27 months, and dissection revealed that in most cases they were lodged in the coelomic cavity, held in place by septa. However, over longer time...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Capture-mark-recapture methods; Chlorogogenous tissue; Longevity; Lumbricidae; Population monitoring.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2009000800026

Potential for seed bank formation of two weed species from Brazilian Amazonia
Provedor de dados: 87
Autores: Dias-Filho,Moacyr B.
The potential for seed bank formation of two perennial weed species, Ipomoea asarifolia (Desr.) Roem. &amp;amp; Schult. (Convolvulaceae) and Stachytarpheta cayennensis (Rich.) M. Vahl (Verbenaceae), both common in Amazonia , was evaluated in a degraded pasture area in eastern Brazilian Amazonia . Seeds were enclosed in nylon mesh packets and placed at the soil surface or buried at 5 or 10 cm deep. The number of viable seeds was recorded at 6, 10, 14 and 18 months after burial. Results showed that S. cayennensis has the ability to form persistent soil seed bank, while I. asarifolia seeds do not build up in the soil seed bank. For S. cayennensis and, to some extent, for I. asarifolia, seed survival was highest at greater burial depths.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazil; Seed; Longevity; Stachytarpheta cayennensis; Ipomoea asarifolia.
Ano: 1999
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-83581999000200002

Tolerância à dessecação e armazenamento de sementes de Caesalpinia echinata Lam. (pau-brasil), espécie da Mata Atlântica
Provedor de dados: 88
Autores: BARBEDO,CLAUDIO  J.; BILIA,DENISE A.C.; FIGUEIREDO-RIBEIRO,RITA DE CÁSSIA L.
A exploração descontrolada do pau-brasil reduziu sua distribuição original a pequenos remanescentes na atualidade. O conhecimento da fisiologia da unidade de dispersão da espécie pode contribuir para a ampliação de seu cultivo, uso racional e conservação. A sensibilidade das sementes à dessecação foi avaliada em sementes recém-colhidas, separadas em quatro categorias (estádios I, II, III e IV), segundo avaliação visual de tamanho e cor. Sementes de cada estádio foram submetidas a secagem a 40 °C e a 50 °C, até que o teor de água atingisse 8% (base úmida). A capacidade de manutenção da viabilidade das sementes durante o armazenamento foi avaliada em diferentes embalagens (permeável, semi-permeável e impermeável), em ambiente natural (22 ± 7 °C) ou em câmara...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Drying; Longevity; Orthodox seeds; Viability.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84042002012000007

Effect of storage of achenes of Bidens gardneri Baker on light sensitivity during germination
Provedor de dados: 88
Autores: SASSAKI,REGINA M.; ZAIDAN,LILIAN B.P.; FELIPPE,G.M.
Bidens gardneri is a very common herbaceous species in the cerrados of the state of São Paulo, whose seeds become light sensitive at 25°C only. Achenes of this species were stored in refrigerator at 4°C and in cerrado soil and in forest soil. The field experiments were carried out in the cerrado at the Reserva Biológica e Estação Experimental de Moji Guaçu, in Moji Guaçu and in the forest of the Instituto de Botânica, in São Paulo, Brazil. Achenes of B. gardneri vary in size and achenes from 7 to 12 mm long were used. Achenes stored for up to 6 months at 4°C showed light sensitivity; after 9 months storage, the difference in germination between light and darkness had disappeared for the smallest and the largest achenes used. Seeds of B. gardneri germinated...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bidens gardneri; Longevity; Light sensitivity.
Ano: 1999
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-84041999000100010

Reproduction and fertility life table of three aphid species (Macrosiphini) at different temperatures
Provedor de dados: 92
Autores: Conti,Bruno F. De; Bueno,Vanda Helena P.; Sampaio,Marcus V.; Sidney,Livia A.
Temperature is a key abiotic factor influencing the development and reproduction of aphids. The effect of temperature on the reproduction of three aphid species Aulacorthum solani (Kaltenbach), Macrosiphum euphorbiae (Thomas) and Uroleucon ambrosiae (Thomas) (Aphididae, Macrosiphini) has been investigated and fertility life tables were determined. Nymphs were reared in climatic chambers at temperatures of 16, 19, 22, 25, and 28 ± 1ºC, RH 70 ± 10% and 12 h photophase. Female adult aphids developed at these temperatures were then used in experiments in which pre-reproductive and reproductive periods were evaluated every 24 h. In addition, the number of nymphs produced and longevity were determined at each temperature. The reproduction period of A. solani and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aphids; Growing parameters; Intrinsic rate of increase; Lettuce; Longevity.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262010000400018

Thermal hygrometric requirements for the rearing and release of Tamarixia radiata (Waterston) (Hymenoptera, Eulophidae)
Provedor de dados: 92
Autores: Gómez-Torres,Mariuxi Lorena; Nava,Dori Edson; Parra,José Roberto Postali.
Thermal hygrometric requirements for the rearing and release of Tamarixia radiata (Waterston) (Hymenoptera, Eulophidae). Tamarixia radiata is the main agent for the biological control of Diaphorina citri in Brazil with a parasitism rate ranging from 20 to 80%. This study investigated the influence of temperature on the development, fecundity and longevity of adults of T. radiata and the effect of relative humidity (RH) on their parasitism capacity and survival rate in the pre-imaginal period. The effect of temperature was assessed in the range between 15 and 35 ± 1ºC, 70 ± 10% RH, and a 14-h photophase. The RH effect was evaluated in the range from 30 to 90 ± 10%, temperature at 25 ± 1ºC, and photophase of 14-h. At 25ºC, circa 166.7 nymphs were...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biological control; Capacity; Fecundity; Longevity; Psyllid.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262014000300011

Influência da temperatura sobre a longevidade, fecundidade e atividade hematofágica de Aedes (Stegomyia) albopictus Skuse, 1894 (Diptera, Culicidae) sob condições de laboratório
Provedor de dados: 92
Autores: Calado,Daniéla C.; Navarro-Silva,Mario Antonio.
Influence of temperature on longevity, fecundity, and haematophagic activity of Aedes (Stegomyia) albopictus Skuse, 1894 (Diptera, Culicidae) under laboratory condition. Based on adults of Aedes albopictus maintained under four constant temperatures, 15ºC, 20ºC, 25ºC and 30ºC, longevity of males and females, fecundity, eggs viability, number of days from emergence to the first bloodsucking, and duration of the preoviposition period were observed. The average of the longevity for female was 19.45, 59.35, 61.55 and 42.72 days, under 15ºC, 20ºC, 25ºC and 30ºC, respectively. The greatest average number of bloodsucking per female was 8.32, under 25ºC. The average number of eggs per female was 1.00, 73.91, 269.87 and 183.69, and the greatest rates of viable eggs...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aedes albopictus; Biology; Fecundity; Longevity; Temperature.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262002000100011

Influence of male nutritional conditions on the performance and alimentary selection of wild females of Anastrepha obliqua (Macquart)(Diptera, Tephritidae)
Provedor de dados: 92
Autores: Cresoni-Pereira,Carla; Zucoloto,Fernando Sérgio.
Influence of male nutritional conditions on the performance and alimentary selection of wild females of Anastrepha obliqua (Macquart) (Diptera, Tephritidae). The behavior of A. obliqua females is regulated by endogenous and exogenous factors and among these the presence of males. Experiments were carried out to investigate whether the presence of males and their nutritional condition may affect the behavior of self-selection feeding and the performance of A. obliqua females. Females were sorted in groups containing yeast-deprived females and males, and non-yeast-deprived females and males. The females were maintained apart from the males by a transparent plastic screen. Several yeast and sucrose combinations were offered to the females in a single diet...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Feeding behavior; Fruit flies; Longevity; Presence of males; Production egg.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262006000200011

Type of prey influences biology and consumption rate of Orius insidiosus (Say) (Hemiptera, Anthocoridae)
Provedor de dados: 92
Autores: Mendes,Simone M.; Bueno,Vanda H. P.; Argolo,Valdirene M.; Silveira,Luis Cláudio P.
Generalist predators are capable of consuming different types of prey, and as each prey may have distinct nutritional values, each may have a distinct impact on the biology of the predator. Therefore, the aim of this study was to determine how the consumption of different prey influences certain biological characteristics and the predatory capacity of Orius insidiosus (Say). The investigation was performed in climatic chamber at 25 ±1 ºC, RH 70 ± 10% and fotophase 12. Eggs of Anagasta kuehniella (Zeller), adults of Caliothrips phaseoli (Hood) and nymphs of Aphis gossypii Glover were used as prey and were provided daily ad libitum for all the mobile stages of the predator. The results showed that biological parameters of O. insidiosus are affected...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fecundity; Longevity; Predation; Predatory capacity; Prey.
Ano: 2002
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262002000100012

Longevity and fecundity of Dichroplus maculipennis (Orthoptera, Acrididae) at non-outbreaking and outbreaking situations
Provedor de dados: 92
Autores: Mariottini,Yanina; Wysiecki,María Laura De; Lange,Carlos Ernesto.
Dichroplus maculipennis is one of the most characteristic and damaging grasshopper species of Argentina, mainly in areas of the Pampas and Patagonia regions. We estimated and compared the longevity and fecundity of adult female D. maculipennis under controlled conditions (30ºC, 14L:10D, 40% RH) from individuals collected as last instar nymphs (VI) in the field and with a known recent history of low and high density conditions. Densities of D. maculipennis at the collecting sites were 0.95 individuals per m² in 2006 and 46 ind/m² in 2009, representing non-outbreaking and outbreaking situations, respectively. Adult female longevity in 2006 (67.96 ± 3.2 days) was significantly higher (p &lt; 0.05) than in 2009 (37.44 ± 1.98 days). The number of egg-pods per...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Fecundity; Grasshopper; Longevity; Melanoplinae.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262011000300019

Postembrionic development and reproductive parameters of the grasshopper pest Borellia bruneri (Acrididae: Gomphocerinae) under controlled conditions
Provedor de dados: 92
Autores: Mariottini,Y.; De Wysiecki,M.L.; Alberti,A.; Lange,C.E.
Abstract Borellia bruneri, a common grasshopper in much of the grasslands of Argentina and Uruguay, is considered, according to the categories widely accepted for defining the pest status of grasshopper species, a “Frequent plague of importance”. In order to determine fundamental aspects of its biology and reproduction, three cohorts of B. bruneri were monitored under controlled conditions (30º C, 14L: 10D, 40% RH). The total duration of nymphal development was 50.6 days, both males and females having five nymphal instars. There was a significant difference in the duration of the different stages within each cohort. In the three cohorts, the first instar duration (12.87 days) was longer than the rest, approximately 5.6 days more than the second that was...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Grasshoppers; Cohorts; Longevity; Fecundity; Nymphal development.
Ano: 2020
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0085-56262020000100207

Reserve mobilization during imbibition of stored Gliricidia sepium (Jacq.) Steud. (Leguminosae - Papilionoideae) seeds
Provedor de dados: 95
Autores: Reis,Renata Conduru Ribeiro; Dantas,Bárbara França; Castro,Renato Delmondez de; Antunes,Cimille Gabrielle Cardoso; Silva,Fabrício Francisco Santos da; Pelacani,Claudinéia Regina.
Gliricidia sepium is a drought-tolerant species, easily multiplied by seeds, and has been exploited by farmers as a source of forage in the semi-arid region of northeast Brazil. The objective of the present study was to evaluate the effect of seed storage on the mobilization of reserves during imbibition of "Gliricidia" seeds. Freshly-harvested seeds were packed in kraft paper bags and stored for three and six months in the laboratory under ambient conditions (25 º C ± 3 T and 75% ± 3 RH). Cotyledons were isolated from imbibed seeds and macerated for the extraction and quantification of total soluble sugars, reducing sugars, sucrose and starch, as well as of proteins, amino acids and for amylase activity. Storage under these conditions resulted in an...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Macromolecules; Longevity; Viability; Germination; Water content.
Ano: 2011
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-31222011000300018

Growth, sexual maturity and sexual dimorphism of Aegla georginae (Decapoda: Anomura: Aeglidae) in a tributary of the Ibicuí River in southern Brazil
Provedor de dados: 103
Autores: Copatti,Carlos Eduardo; Legramanti,Rosemari Parise; Trevisan,André; Santos,Sandro.
ABSTRACT This study aimed to estimate the growth and size at the onset of sexual maturity in a population of Aegla georginae . Specimens were sampled from November 2007 to October 2008 in the Perau Creek (Ibicuí-Mirim sub-basin; Uruguay River basin). All captured specimens were sexed, and their cephalothoracic length (CL), minor and larger propodi length (MPL, LPL, respectively), height of major chela (HMQ), and abdomen width (AW) were measured. The lengthwise growth of males and females was evaluated using the Bertalanffy model, and the morphological sexual maturity was evaluated using the REGRANS program. The smallest ovigerous female presented a 10.45 mm CL. Males reached larger sizes than did females, but the growth rate was similar between the sexes....
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Age estimative; Bertalanffy; Longevity; Size at onset maturity.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-46702016000300501

Repeatibility of agroindustrial characters in sugarcane in different harvest cycles
Provedor de dados: 124
Autores: Silva,Hudsonkléio Da Costa; Anunciação Filho,Clodoaldo José; Bastos,Gerson Quirino; Dutra Filho,João Andrade; Simões Neto,Djalma Euzébio.
ABSTRACT In commercial cultivation of sugarcane, knowledge about the repetition of agroindustrial characters is essential to identify long-lived genotypes in production cycles, which when selected, will contribute to the significant increase in productivity. This work evaluated the agroindustrial performance of 16 sugarcane genotypes in the sugarcane microregion Litoral Norte of Pernambuco in four harvest cycles and the regularity in the repetition of characters. The experiment was conducted in the agricultural area of São José sugar mill, Igarassu, state of Pernambuco, Brazil. The experiment was carried out following a randomized block design with four replications. The variables evaluated were: tons of POL per hectare (TPH), tons of cane per hectare...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Longevity; Productivity; Repetition of characters; Selection; Saccharum spp.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902018000200275

Coat survey and Quarter reproductive age used in Vaquejada in Northeast micro-regions
Provedor de dados: 22
Autores: Bastos, Marisa Silva; Rezende, Marcos Paulo Gonçalves; Souza, Julio Cesar; Leite, Maybe Carneiro Paula; Figueiredo, Gabriel Chaves.
Aimed to evaluate the coat and Quarter reproductive age used in equine production used in Vaquejada in micro regions of the Northeast. They used information from 264 horses, taken from the database of the Association of Quarter Horse Breeders (ABQM). Were collected individual information: date of birth, sex and animal fur, number of copies of disputed official Vaquejada, better and worse placed, cumulative score in ABQM, coats and dates of parents' birth (31), coats and birth dates mothers (257). There was a higher frequency (P&lt;0.05) of births between the months of September and October. There was no age-specific greater use of stallions or matrix playback (P&gt;0.05). There was no correlation (P&gt;0.05) between the number of children and the stallion...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Equus caballus; Equestrian sport; Phenotype; Longevity; Reproduction.
Ano: 2017
URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/13675

Population dynamics of Cyrtomon luridus Boheman (Coloptera: Curculionidae) on Duboisia sp. (Solanaceae) in Brazil
Provedor de dados: 63
Autores: Paulo,Tironi; von Treuenfels,Adrian; Parra,José Roberto Postali.
Cyrtomon luridus (Boheman) has adapted to the medicinal plant Duboisia sp., introduced from Australia. Its larvae feed on roots, causing up to 100% mortality damages. The population dynamics and biological cycle were studied to determine future control methods in Duboisia sp., in Arapongas, Paraná State, Brazil, from 1993 to 1996. C. luridus presented annual life cycle in Duboisia sp. under natural conditions. The larval development period was 120 to 150 days, from January to May, reaching an average size of 19.0 ± 2.0 mm in soil depth ranging on 24.9 ± 8.6 cm to 45.0 ± 10.0 cm. The beginning of the pupal phase happened in April. The larval-adult viability ranged on 7.5% to 19.6%. The typical symptoms of attack appeared in an infestation level of 60 larvae...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Microctonus; Biological cycle; Medicinal plant; Control; Longevity.
Ano: 2005
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000500011

Phenotypic relationships between type traits and productive life using a piecewise Weibull proportional hazard model
Provedor de dados: 63
Autores: Kern,Elisandra Lurdes; Cobuci,Jaime Araujo; Costa,Cláudio Napolis; Ducrocq,Vincent.
ABSTRACT: Longevity is an important trait due to its relationship with profitability. Type traits have been used as indirect predictors for productive life. The objective of this study was to evaluate the relationship of 20 type traits on length of productive life in Brazilian Holsteins, using a piecewise Weibull proportional hazard model. Three analyses were performed i) productive life was corrected for within herd level of production as a proxy for functional longevity, which included the time-dependent effects of region within year, class of milk production within herdyear, milk production class within lactation number, fat class and protein contents within herd and (variation in) herd size as well as the time-independent fixed effect of age at first...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Conformation traits; Dairy cattle; Longevity; Culling risk; Survival analysis.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162018000600470

การเร่งอายุเมล็ดพันธุ์ข้าวเพื่อประเมินอายุการเก็บรักษาในเขตร้อนชื้น
Provedor de dados: 106
Autores: Marisa Songkrairat; Anchalee Prasertsak.
Rice seed accelerated aging for longevity evaluation in humid tropic was conducted in order to study the temperature and optimum duration for evaluation of seed longivity at Krabi Rice Research Center during 2012-2013. Rice seeds from rice planted in both wet and dry seasons were used. By storing the rice seeds in plastic bags at room temperature and every month rice seeds were monitored and quality testing, another part seeds were aged in nearly 100 percent  relative humidity at 40, 42, 44 and 46 0C for 24, 48, 72 and 96 hours. Seed germination from each temperature and time accelerated aging was correlated to seed stored in plastic bags at room temperature. The result showed that rice seed at moisture content below 12 percent in plastic bag could be...
Tipo: PhysicalObject
Palavras-chave: Rice seed; Accelerated aging; Shelf life; Longevity; Temperature; Seed quality; Krabi province; Humid tropical; เมล็ดพันธุ์ข้าว; พันธุ์ปทุมธานี 1; การเก็บรักษาเมล็ดพันธุ์; อายุการเก็บรักษา; การทำนาย; การเร่งอายุ; คุณภาพเมล็ดพันธุ์; จังหวัดกระบี่; เขตร้อนชื้น.
Ano: 2014
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5662

การเร่งอายุเมล็ดพันธุ์ข้าว พันธุ์ กข14 เพื่อประเมินอายุการเก็บรักษาในเขตภาคเหนือ
Provedor de dados: 106
Autores: Yawvaluck  Gunyamee; Anchalee  Prasertsak.
Present study was conducted to evaluate RD14 seed accelerated aging for longevity in humid tropic at Phrae Rice Research Center. Rice seeds from wet season, 2012 were stored in plastic bags at room temperature and were monitored for seed quality every month. Moreover, the rice seed samples were aliquoted for Accelerated Againg Test (AA) with 100% relative humidity and the temperature condition was varied from 44 46 and 48 0c for 72 96 120 and 144 hrs, respectively. The results revealed the correlation between seed germination from each temperature and time accelerated aging and seed stored in plastic bags at room temperature. It was shown that RD14 seed at moisture content 13% in plastic bag could be stored for 6 months with more than 80 % germination....
Tipo: Collection
Palavras-chave: Seed; Accelerated aging; Longevity; เมล็ดพันธุ์ข้าว; การเร่งอายุ; การเก็บรักษา.
Ano: 2015
URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5901

Efeito da atividade sexual, do sexo e da linhagem geográfica sobre a longevidade de Megaselia scalaris Loew (Diptera, Phoridae)
Provedor de dados: 104
Autores: Silva,Heriberto Dias da.
Longevity is an important characteristic of life history of species which is influenced by environment, genetic constituition and sexual activity. Three sexual activity regimes were investigated in three geographical lineages in Megaselia scalaris Loew, 1866 that have been maintened in the laboratory at 25ºC. It was observed that virgin flies are more longevous than others, females more than males, and a sex-lineage interaction underlying this pattern variation. It was observed an inverse relation between the environmental temperature of the lineages's locality and longevity.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Megaselia scalaris; Life-history; Longevity; Geographical lineages; Sexual activity.
Ano: 2000
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-81752000000400001

Physiological quality of jambu (Acmella oleracea) seeds stored in different environments and packages
Provedor de dados: 109
Autores: Silva,Raquel Santos da; Nunes de Lima,Michael Ruan; Dantas Pinto,Matheus Moreira; Nobre Gama,Juliana Simões.
Abstract Jambu (Acmella oleracea [(L.) RK Jansen]) is a vegetable of great importance in the Amazonian region; it can be found in the daily life of the citizens of the State of Pará (Brazil), since it is part of traditional dishes such as duck in tucupi and tacacá sauce. Although jambu is widely cultivated, agronomic information about its management remains scarce. The aim of the current study was to analyze the physiological potential of jambu seeds stored in different packages and environments. The investigated packages comprised glass, Eppendorf tubes, plastic bags and paper bags conditioned in refrigerator and under natural conditions in Castanhal, Pará, for 360 days. Seed germination, first germination count, emergence seedlings, germination and...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Amazonian region; Longevity; Unconventional plant; Vegetable; Vigor.
Ano: 2022
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122022000300287

Responses of sour passion fruit (Passiflora edulis Sims) seeds from the third recurrent selection cycle during storage
Provedor de dados: 109
Autores: Lima-Rodrigues,Daniele; Fio-Viana,Alexandre; Duarte-Vieira,Henrique; Azevedo-Santos,Eileen; Lima-e-Silva,Fernando Higino.
Abstract Conflicting responses have been found for the period of conservation of passion fruit seeds. Therefore, this study aimed to evaluate the response of the seeds of passion fruit progenies to a 24-month storage period. The sour passion fruit progenies from the third cycle of Universidade Estadual do Norte Fluminense Darcy Ribeiro - UENF intrapopulation recurrent selection program were grown in Itaocara- RJ and the progenies seeds were evaluated for: germination potential, germination first count, accelerated aging, first count of accelerated aging test, seedling and radicle size and germination speed index. The germination and vigor of the seeds of the full-sib progenies were assessed by analysis of variance and factorial arrangement with 3 progenies...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breeding program; Germination; Longevity; Progeny; Vigor; Passiflora edulis Sims; Sour passion fruit.
Ano: 2020
URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122020000100061

Preconditioning of Physalis angulata L. to maintain the viability of seeds
Provedor de dados: 36
Autores: Souza,Manuela Oliveira de; Souza,Cíntia Luiza Mascarenhas de; Barroso,Natalia dos Santos; Pelacani,Claudinéia Regina.
The important chemical and food properties conferred to P. angulata make it necessary to conduct studies in seed conservation. This study evaluated the effect of priming of P. angulata seed for varying periods and storage conditions. Lots of seeds were stored in a refrigerator and in ambient conditions for up to 24 months. Some of these seeds were primed before or after storage. The results show that there was variation in moisture content. The germination rate and germination rate index remained high in ambient conditions when primed up to 24 months.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Storage environments; Germination; Longevity; Priming.
Ano: 2014
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0044-59672014000100015

Establishment of post-harvest early-developmental categories for viability maintenance of Araucaria angustifolia seeds
Provedor de dados: 39
Autores: Araldi,Cristhyane Garcia; Coelho,Cileide Maria Medeiros.
Araucaria angustifolia seeds are recalcitrant, and their metabolism remains high during storage. This research aimed to describe the initiation of germination in A. angustifolia seeds during storage in order to standardize the assessment of physiological quality and to promote seed conservation. Seeds were collected from two populations and stored for 270 days in the natural laboratory environment and cold chamber. Seeds were classified according to four early developmental stages: I - mature seeds; II - seeds with elongation along the embryonic axis; III - beginning of root protrusion; IV - advanced germination stage, with seedling shoots. After categorization, physical and physiological quality was assessed. In freshly collected seeds, only category I...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Brazilian pine; Longevity; Recalcitrant seeds; Seed conservation; Seed development.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062015000400524

Growth of the silverside Atherinella brasiliensis in a subtropical estuary with some insights concerning the weight-length relationship
Provedor de dados: 42
Autores: CARVALHO,BARBARA M. DE; BARRADAS,JOSÉ RICARDO S.; FONTOURA,NELSON F.; SPACH,HENRY L.
ABSTRACT Specimens of Brazilian silverside (Atherinella brasiliensis, n=9672) with a length range of 1.5 to 14.2 cm were captured in the intertidal areas of the Estuarine Complex of Paranaguá, Brazil, between August 2010 and July 2011. The species’ weight-length relationship was represented by the equation W=0.00533 L3.136 with a slightly positive allometry (b&gt;3) and could be divided into two growth stanzas: W = W1 + W2; Stanza 1: W1= SW. (0.005239 L3.152); Stanza 2: W2= (1 - SW). (0.000699 L3.913); Switch-Function: SW = [1 + e1.204 (L - 11.66)]-1. The breakpoint between the first and second stanza (11.66 cm) matches published values for the estimated size at first maturity of adult females. Frequency distributions indicate that the species is present...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Atherinopsidae; Longevity; Von Bertalanffy; Weight-length relationship.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652017000502261

Thermal requirements, development and number of generations of Duponchelia fovealis (Zeller) (Lepidoptera: Crambidae)
Provedor de dados: 42
Autores: PAES,JOÃO P.P.; LIMA,VICTOR L.S.; PRATISSOLI,DIRCEU; CARVALHO,JOSÉ R.; PIROVANI,VICTOR D.; BUENO,REGIANE C.O.F.
Abstract In this study, the effect of temperature on the growth of the European pepper moth, Duponchelia fovealis (Zeller), was assessed at five constant temperatures (18, 21, 24, 27 and 30 °C). The European pepper moth was observed to complete its developmental stages (from egg to adult) at all the temperatures evaluated. From the results, it was evident that temperature affected the rate and development time of all the growth stages, to a significant degree. The length in time of the embryonic, larval, pupal and total (egg-adult) stages was observed to drop as the temperature rose from 18 to 24 °C, but remained constant between 27 and 30 °C. The developmental time in the pre-pupal stage dropped between 18 and 30 °C. The European pepper moth takes 454...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Development rate; Developmental thresholds; European pepper moth; Longevity; Survival.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502447

Life cycle traits of Philodina roseola Ehrenberg, 1830 (Rotifera, Bdelloidea), a model organism for bioassays
Provedor de dados: 42
Autores: Moreira,Raquel A.; Mansano,Adrislaine S.; Rocha,Odete.
This paper describes experimental results on the life cycle of the rotifer Philodina roseola cultured in the laboratory. Detailed information on life-cycle parameters of a certain species provides a deep understanding and contributes to a better knowledge of the role of the species in the community, besides providing data that are basic to other ecological investigations such as secondary production estimates and knowledge for applications such as its utilization as test-organism in ecotoxicological studies. The average duration of embryonic development of P. roseola was 23.88 h, the age at maturity of primipara was 3.5 days and the maximum lifespan was 23 days. The average size of the rotifer neonate was 198.77 µm, the mean size of primipara was 395.56 µm...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Rotifer; Embryonary development; Growth; Fecundity; Longevity.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000200579

Longevity of the Brazilian underground tree Jacaranda decurrens Cham.
Provedor de dados: 42
Autores: ALVES,RUY J.V.; SILVA,NiLBER G. DA; FERNANDES JUNIOR,ALUiSIO J.; GUIMARAES,ALESSANDRA R.
Underground trees are a rare clonal growth form. In this survey we describe the branching pattern and estimate the age of the underground tree Jacaranda decurrens Cham. (Bignoniaceae), an endangered species from the Brazilian Cerrado, with a crown diameter of 22 meters. The mean age calculated for the individual was 3,801 years, making it one of the oldest known living Neotropical plants.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bignoniaceae; Cerrado; Campo rupestre; Longevity; Underground trees.
Ano: 2013
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652013000200671

Lifespan and population dynamics of the endemic South American shrimpArtemesia longinaris (Crustacea: Penaeidae) in southeastern Brazil
Provedor de dados: 42
Autores: CASTILHO,ANTONIO L.; GRABOWSKI,RAPHAEL C.; SIMÕES,SABRINA M.; SANTOS,ANA PAULA F.; COSTA,ROGÉRIO C.; FRANSOZO,ADILSON.
ABSTRACT The present study investigated the growth, longevity and reproductive dynamics ofArtemesia longinaris in the southeastern coast of Brazil over a two-year period. Monthly collections were conducted in Ubatuba and Caraguatatuba using a shrimp fishing boat equipped with "double-rig" nets. Each region was divided into 7 sampling stations up to 35 m deep. Size frequency distributions, growth, longevity, sex ratio, and abundance of individuals in each demographic class, were compared. The relationship between abiotic factors and abundance of each demographic class was assessed using a Canonical Correlation Analysis. A total of 64,641 individuals were collected (6,928 measured) with an estimated longevity of 1.30 (Ubatuba) and 1.14 (Caraguatatuba) years...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Habitat selection; Latitudinal variation; Longevity; Penaeoidea; Reproductive dynamics.
Ano: 2015
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652015000502123

Growth of the Anchovy Anchoa tricolor in a brazilian subtropical estuary
Provedor de dados: 42
Autores: CARVALHO,BARBARA M. DE; FONTOURA,NELSON F.; SPACH,HENRY L.
ABSTRACT This study aimed to describe the growth parameters of Anchoa tricolor in a subtropical estuary. From August 2010 to July 2011, 10.009 specimens of the anchovy Anchoa tricolor, mean total length 4.2 cm (±1.45), were captured in the intertidal region of the Estuarine Complex of Paranaguá (25º 15’ - 25° 35’ S and 48° 20’ - 48° 45’ W). Species´s weight/length relationship for grouped genders was described as follow:   W = 0.0000591.Lt3.282 (length in centimeters; weight in grams) showing a positive allometric growth pattern (b&gt;3; P=0.000). Significant differences concerning weight/length relationship for males, females and unsexed individuals were identified. Parameters of the length to age growth curve were estimated by adjusting a von Bertalanffy...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Bertalanffy; Engraulidae; Longevity; Weight/length relationship.
Ano: 2018
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652018000502097

The classic episode of biological invasion: Cochliomyia macellaria (Fabricius, 1775) versus Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) - evaluation of the biotic potential
Provedor de dados: 42
Autores: BARBOSA,LEANDRO S.; COURI,MÁRCIA S.; COELHO,VALÉRIA M.A.; AVELINO-CAPISTRANO,FERNANDA.
ABSTRACT The classic episode of biological invasion: Cochliomyia macellaria (Fabricius, 1775) versus Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) - evaluation of the biotic potential. The biotic of the native fly Cochliomyia macellaria and the exotic Chrysomya megacephala was compared, through the reproductive capacity and longevity. The experiment took place in a climatized chamber, with four repetitions of 15 grouped couples of each species. The posture, egg mass weight, and death of individuals were observed daily. C. macellaria showed an average of longevity of 27.72 days while in C. megacephala the average was 41.96 days. The egg mass weight average per repetition was 0.58 g and 1.22 g, respectively. These results give a better...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Breed capacity; Longevity; Competition; Caliphorids.
Ano: 2016
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652016000401401

Biology of the wasp Polistes (Epicnemius) cinerascens Saussure (Hymenoptera: Vespidae)
Provedor de dados: 44
Autores: Giannotti,Edilberto.
Studies on nests of the social wasp Polistes (Epicnemius) cinerascens Saussure showed correlation between the size of the comb and thickness of the peduncle, besides of the height of the complete cells and the number of generations produced. The duration of the colony cycle (199.3 days), the number of cells built (102.9) and adults produced (94.2) allowed to establish the rates: 0.5 cells/day, 0.3 adults/day, and 0.8 adults/cell, the % of productive cells/ nest (55.2), and the number of the generations/colony (up to 4 generations). The number of instars was 5; the growing ratio 1.3; the duration of the immature stages was eggs = 13.0 days, larvae = 23.7, pupae = 22.2 and total duration = 58.6 days; and the longevity of adult wasps = 38.3 days.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Insecta; Colony cycle; Immature stages; Longevity; Life table.
Ano: 1997
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0301-80591997000100008

Life cycle of Scapholeberis armata freyi Dumont &amp;amp; Pensaert, 1983 (Cladocera, Daphnidae)
Provedor de dados: 49
Autores: Castilho,Maria Carolina de Almeida; Wisniewski,Célio; Santos-Wisniewski,Maria José dos.
Knowledge of the life cycle of zooplankton species can provide information for a better understanding of the role of each species in the community and basic data for secondary production investigations. In this study, some life-cycle traits were measured for Scapholeberis armata freyi Dumont &amp;amp; Pensaert, 1983 (Cladocera, Daphnidae), maintained under controlled conditions in laboratory cultures. Experiments were carried out in incubators at a temperature of 23.0 ºC, photoperiod of 12 hours light/dark, and food supply (algal suspension of the chlorophycean Pseudokirchneriela subcapitata at 10(5) cells.mL-1 and mixed suspension of yeast, and fish ration added per organism, at equal proportions) that were kept constant. Observations were made once or...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Anomopoda; Zooplankton; Longevity; Fecundity; Growth.
Ano: 2012
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032012000400005

Body size and extinction risk in Brazilian carnivores
Provedor de dados: 49
Autores: Forero-Medina,German; Vieira,Marcus Vinícius; Grelle,Carlos Eduardo de Viveiros; Almeida,Paulo Jose.
Because extinctions are not random across taxa, it is important for conservation biologists to identify the traits that make some species more vulnerable. Factors associated with vulnerability include small geographical ranges, low densities, high trophic level, "slow" life histories, body size, and tolerance to altered habitats. In this study we examined the relationship of body size, reproductive output, longevity, and extinction risk for carnivores occurring in Brazil. We used generalized linear models analyses on phylogenetically independent contrasts to test the effect of body size alone, and the combined effect of body size, litter size and longevity on extinction risk. Body size appeared in the two best models according to the selection criteria...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Carnivores; Independent contrasts; Longevity; Reproductive output; South America; Vulnerability to extinction.
Ano: 2009
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032009000200004

Cellular aging: theories and technological influence
Provedor de dados: 52
Autores: Mercado-Sáenz,Silvia; Ruiz-Gómez,Miguel J.; Morales-Moreno,Francisco; Martínez-Morillo,Manuel.
The aim of this article was to review the factors that influence the aging, relationship of aging with the biological rhythms and new technologies as well as the main theories to explain the aging, and to analysis the causes of aging. The theories to explain the aging could be put into two groups: those based on a program that controlled the regression of the organism and those that postulated that the deterioration was due to mutations. It was concluded that aging was a multifactorial process. Genetic factors indicated the maximum longevity of the individual and environmental factors responsible for the real longevity of the individual. It would be necessary to guarantee from early age the conservation of a natural life rhythm.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aging; Longevity; Biological rhythms; Caloric restriction; Telomerase; Free radical.
Ano: 2010
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132010000600008

Coffee seed physiology
Provedor de dados: 61
Autores: Eira,Mirian T. S.; Silva,E. A. Amaral da; De Castro,Renato D.; Dussert,Stéphane; Walters,Christina; Bewley,J. Derek; Hilhorst,Henk W. M.
Considerable advances in our understanding of coffee seed physiology have been made in recent years. However, despite intense research efforts, there are many aspects that remain unclear. This paper gives an overview of the current understanding of the more important features concerning coffee seed physiology, and provides information on recent findings on seed development, germination, storage and longevity.
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Coffea; Coffee; Germination; Germplasm; Longevity; Seed development; Storage.
Ano: 2006
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1677-04202006000100011

Virulence and Pre-Lethal Reproductive Effects of Metarhizium anisopliae var. anisopliae on Pseudococcus viburni (Hemiptera: Pseudococcidae)
Provedor de dados: 117
Autores: Pereira,Aldo; Casals,Pedro; Salazar,Ana María; Gerding,Marcos.
Obscure mealybug, Pseudococcus viburni (Signoret), is a cosmopolitan pest that causes damage by suction of vascular juices and the production of honeydew, as well as for being a quarantine insect. Within control options, entomopathogenic fungi are a good alternative, nevertheless, more research is needed. In this research, the Metarhizium anisopliae var. anisopliae (Metschnikoff) isolate Qu-M984 was evaluated on P. viburni under laboratory conditions. Virulence was evaluated by lethal dose 50 (LD50) and lethal time 50 (LT50), for each of the four life stages of the female. The doses tested were 10(5), 10(6), 10(7) and 10(8) conidia mL-1. Also fecundity, egg size, fertility, and longevity of adult females were evaluated at doses of 10(5) and 10(6) conidia...
Tipo: Journal article
Palavras-chave: Lethal dose; Lethal time; Biological control; Entomopathogenic fungus; Fecundity; Fertility; Longevity.
Ano: 2011
URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0718-58392011000400009

Plant essential oils against bacteria isolated from fish: an in vitro screening and in vivo efficacy of Lippia origanoides
Provedor de dados: 65
Autores: Bandeira Junior,Guerino; Souza,Carine de Freitas; Baldissera,Matheus Dellaméa; Descovi,Sharine Nunes; Silveira,Bibiana Petri da; Tasca,Caiane; Mourão,Rosa Helena Veras; Vargas,Agueda Palmira Castagna de; Baldisserotto,Bernardo.
ABSTRACT:  The use of natural products, such as essential oils (EOs), is a potential novel approach to treat fish bacterial infections with a lower risk of developing resistance. There has been a number of studies reporting the activity of EOs as those obtained from the species Achyrocline satureioides, Aniba parviflora, Aniba rosaeodora, Anthemis nobilis, Conobea scoparioides, Cupressus sempervirens, Illicium verum, Lippia origanoides, and Melaleuca alternifolia against bacteria. However, there are few studies investigating the effect of these EOs against fish bacteria. Therefore, the aim of this study was to evaluate the in vitro antibacterial activity of EOs against the following fish bacteria, Aeromonas hydrophila, Citrobacter freundii, and Raoultella...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Aeromonas hydrophila; Antibacterial activity; Silver catfish; Longevity; Therapeutic success.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000600451

Postharvest conservation of alstroemeria ‘ajax’ using 1-methylcyclopropene
Provedor de dados: 64
Autores: Galati,Vanessa Cury; Muniz,Ana Carolina Corrêa; Guimarães,João Emmanuel Ribeiro; Inestroza-Lizardo,Carlos Orlando; Mattiuz,Claudia Machado Fabrino; Mattiuz,Ben-Hur.
ABSTRACT Cut flowers deteriorate quickly and require postharvest technologies to increase their durability, which is usually around 8 days. Due to the scarce information related to postharvest physiology of Alstroemeria cut flowers, this study aimed to verify the best dose of 1-methylcyclopropene (1-MCP) to the postharvest conservation of inflorescences of Alstroemeria cv. Ajax, considering the factors associated with floral senescence and loss of the decorative life. The stems were submitted to four doses of 1-MCP (0; 100; 250; 500 ppb), then placed in containers with distilled water and stored at room temperature (22 ºC). The treatments were performed in triplicate containing three stems per replicate. The evaluations were performed every three days for...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Ethylene; Longevity; Pigments; Enzyme activity.
Ano: 2017
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542017000200181

Selectivity of registered pesticides for the corn crop on immature stages of Trichogramma pretiosum (Hymenoptera: Trichogrammatidae)
Provedor de dados: 64
Autores: Santos,Tatiele Pereira dos; Menezes,Claubert Wagner Guimarães de; Batista,Carlos Henrique; Brito,Eliane Souza Gomes; Tavares,Wagner de Souza; Zanuncio,José Cola.
ABSTRACT Trichogramma pretiosum Riley, 1879 (Hymenoptera: Trichogrammatidae) is an egg parasitoid of lepidopteran pests in corn, Zea mays L. (Poaceae), in Brazil. Chemical products used in agriculture can be toxic to this biocontrol agent. The objective of the present study was to evaluate the longevity, parasitism and emergence of T. pretiosum parasitizing Mediterranean flour moth, Anagasta kuehniella Zeller, 1879 (Lepidoptera: Pyralidae), eggs treated with herbicide solutions with the active ingredients (chemical group) atrazine (triazines), paraquat dichloride (bipyridylium) and nicosulfuron (sulfonylurea). Pure distilled water was used as a negative control, and a solution of a product with λ-cyhalothrin + thiamethoxam (pyrethroid + neonicotinoid,...
Tipo: Info:eu-repo/semantics/article
Palavras-chave: Biocontrol agent; Emergence; Herbicide; Longevity; Parasitism.
Ano: 2019
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542019000100241