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| Registros recuperados: 42 | |
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| Lorenzetti,Eloisa; Tartaro,Juliano; Stangarlin,José Renato; Kuhn,Odair José. |
| ABSTRACT Corn is a cereal whose productivity can be reduced by various diseases which has recommended treatments for control. The objective of this study was to analyze copper, zinc, calcium and manganese products for the management of Pantoea ananatis, Puccinia polysora and Cercospora zeae maydis in second season corn, and interference in agronomic characteristics. Commercial products made of amino acid chelated with 15% calcium, 5% copper, 15% manganese and 10% zinc, at the doses of 0.5 kg ha-1, 0.3 L ha-1, 0.4 kg ha-1 and 1 L ha-1, respectively, a treatment with fungicide (20% azoxystrobin and 8% cyproconazole at 0.3 L ha-1 + 25% propiconazole at 0.4 L ha-1), and a treatment with water were assayed. The experiments were carried out under field... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alternative control; Nutrition; Zea mays L.. |
| Ano: 2020 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542020000100208 |
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| Mello,Alexandre Furtado Silveira; Lourenço,Silvia de Afonseca; Amorim,Lilian. |
| The white mold, caused by Sclerotinia sclerotiorum, is a very important disease in tomato crops. The objective of this work was to study the effect of plant extracts, animal residues and industrial by-products extracts on the fungus in vitro growth. Treatments consisted of different concentrations of pyrolignous oil, neem oil, monosodium glutamate, sewage sludge and organic compost [coffee residue (50%) coal residue (10%), maize residue (25%), poultry waste (12.5%), poultry meal (2.5%)]. Positive control consisted of Petri dishes with PDA medium and negative control treatment consisted of PDA medium with procymidone. Fungus colonies were incubated at 22ºC and light intensity of 260 lux. Variables such as mycelium growth rate, sclerotia production, and... |
| Tipo: Info:eu-repo/semantics/report |
Palavras-chave: Azadirachta indica; Sclerotinia white rot; Alternative control; Sewage sludge; Soil respiration. |
| Ano: 2005 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162005000200014 |
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| Mello,Renata S; Queiroz,Margareth M. C; Nunes-Freitas,André F; Aguiar-Coelho,Valéria M. |
| The present study intended to analyze calliphorid attraction to traps painted in a variety of colors and the calliphorid constancy index in the Tingua Biological Reserve, Rio de Janeiro state, Brazil. The Diptera were collected monthly in the Reserve, between 2002 and 2005, totaling 24 samplings. Four traps containing sardines as bait were painted olive green, blood red, black, or white and exposed for 48 h at four equidistant points, 50 m from each other. To determine the calliphorid species constancy, the Bodenheirmer constancy index was used throughout the study. To analyze differences in the total abundance between species and in their color selection, an ANCOVA test with a significance level of 5 % and a Tukey post-test were used, considering the... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Alternative control; Behavior; Blowflies; Colored traps. |
| Ano: 2009 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0073-47212009000400013 |
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| Cláucia, Cuzzi; Santos, Idalmir; Vilani, Andréia; Sonego, Etiane Tanise; Freddo, Álvaro Rodrigo; Mazaro, Sérgio Miguel. |
| This study aimed to evaluate the effect of canola extracts obtained by different forms of extraction (alcohol, macerated, watery without reservation time and infusion), in control of Botrytis cinerea in vitro and gray mold in post-harvest strawberries cv. Camarosa. In vitro condition two experiments were conducted, being mycelial growth and conidia germination in a factorial 4 X 5, with factors extraction modes and extracts concentrations (0, 3, 6, 9 e 12%), with four replicates. Post-harvest were tested four types of extracts at a concentration of 16%. The design was completely randomized, with four replicates per treatment, and the portion composed of 10 fruits per replicate. Physichocemical parameters and biochemical analyzes were evaluated. The results... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brassica napus L.; Alternative control; Resistance induction.. |
| Ano: 2017 |
URL: http://e-revista.unioeste.br/index.php/scientiaagraria/article/view/14276 |
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| SILVA,Flávia Fernanda Alves da; ALVES,Cassia Cristina Fernandes; OLIVEIRA FILHO,Josemar Gonçalves de; VIEIRA,Tatiana Manzini; CROTTI,Antônio Eduardo Miller; MIRANDA,Mayker Lazaro Dantas. |
| ABSTRACT Besides their value as therapeutic resources, medicinal plants may also be used as sources of active ingredients against phytopathogens. Fungi can grow and cause spoilage in food, thus, resusting in decrease in its quality and quantity. This research aimed at evaluating the effect of essential oil from Murraya paniculata (ML-EO) leaves on mycelial growth of Sclerotinia sclerotiorum, a fungus that poses high risk to several cultures, mainly soybean. Essential oil from M. paniculata (Rutaceae) leaves was obtained by hydrodistillation which was carried out by a Clevenger-type apparatus while its chemical composition was analyzed by GC-FID and GC-MS. β-Caryophyllene (23.8%), α-zingiberene (21.0%) and β-cubebene (10.2%) were the main constituents... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Phytopathogen; Rutaceae; Soybean; Alternative control; Plant disease. |
| Ano: 2019 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612019000600413 |
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| Brandi,Fabio; Heck,Daniel Winter; Ferreira,Thiago Costa; Bettiol,Wagner. |
| Abstract: The objective of this work was to evaluate the commercial formulations of Bacillus subtilis QST-713 and Bacillus pumilus QST-2808 on mycelial growth inhibition of Thielaviopsis paradoxa, for the control of the pineapple disease and growth promotion in sugarcane. The inhibition of mycelial growth was evaluated in paired culture tests. Bacillus isolates were transferred to Petri dishes 48 hours before the pathogen, and the zone of inhibition was determined. The direct effect of the autoclaved commercial formulations at 0, 0.001, 0.01, 0.1, 1.0, and 10.0% on the inhibition of pathogen mycelial growth was evaluated. Bacillus spp. potential in controlling the disease and promoting plant growth was evaluated in assays on plant development and disease... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Saccharum; Thielaviopsis paradoxa; Alternative control; Biological control. |
| Ano: 2018 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2018001201311 |
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| González Gómez, Rebeca. |
| Se estudió el efecto del extracto oleoso de neem (A. indica) en el control de V. destructor. La investigación estuvo encaminada a explorar los efectos que causa el neem tanto a V. destructor como a Apis mellifera, donde la colonia de abejas se observó como un superorganismo. En la primera parte de la investigación se corroboraron en laboratorio los efectos de toxicidad y repelencia del neem en el ácaro, observados en estudios previos; se observó que 2.64, 5.28, 10.56 y 21.12% de extracto de neem presentaron alta estabilidad en cuanto al efecto repelente; y 21.12% impidió que 98% de las varroas se posaran sobre pupas de abejas, lo que llevó a 100% de mortalidad de varroa en 72 h. La segunda etapa estuvo orientada a determinar los efectos del neem sobre... |
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Palavras-chave: Azadirachta indica; Apis mellifera; Control alternativo; Abejas; Desarrollo; Alternative control; Honey bees; Development; Doctorado; Entomología y Acarología. |
| Ano: 2010 |
URL: http://hdl.handle.net/10521/200 |
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| González Gómez, Rebeca. |
| Se estudió el efecto del extracto oleoso de neem (A. indica) en el control de V. destructor. La investigación estuvo encaminada a explorar los efectos que causa el neem tanto a V. destructor como a Apis mellifera, donde la colonia de abejas se observó como un superorganismo. En la primera parte de la investigación se corroboraron en laboratorio los efectos de toxicidad y repelencia del neem en el ácaro, observados en estudios previos; se observó que 2.64, 5.28, 10.56 y 21.12% de extracto de neem presentaron alta estabilidad en cuanto al efecto repelente; y 21.12% impidió que 98% de las varroas se posaran sobre pupas de abejas, lo que llevó a 100% de mortalidad de varroa en 72 h. La segunda etapa estuvo orientada a determinar los efectos del neem sobre... |
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Palavras-chave: Azadirachta indica; Apis mellifera; Control alternativo; Abejas; Desarrollo; Alternative control; Honey bees; Development; Doctorado; Entomología y Acarología. |
| Ano: 2010 |
URL: http://hdl.handle.net/10521/200 |
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| Conceição,Patrícia M. da; Faroni,Lêda R. A.; Sousa,Adalberto H.; Pimentel,Marco A. G.; Freitas,Romenique S.. |
| The aim of this study was to evaluate the insecticide activity of diatomaceous earth (DE), at different temperatures, on two populations of Tribolium castaneum and Rhyzopertha dominica previously diagnosed as resistant and susceptible to phosphine. The efficiency of DE in the control of the insects was evaluated at temperatures of 20, 25, 30, 35 and 40 ± 2 ºC. The experiments were accomplished in Petri dishes containing 35 g of whole-wheat grain treated with DE in the dose of 1.0 kg t-1. The control was constituted by untreated wheat grain. Each Petri dish was infested with 30 adult insects. Insect mortality was registered seven days after the beginning of the bioassays. The experiment was conducted in a completely randomized design with three... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Tribolium castaneum; Rhyzopertha dominica; Alternative control. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662012000300012 |
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| JUNQUEIRA, N. T. V.; NASCIMENTO, A. C. do; VARGAS RAMOS, V. H.; LAGE, D. A. da C.; KRAHL, L. L.; ALMEIDA, D. A.; CABRAL, G. de A.. |
| RESUMO: Várias doenças acometem a manga na fase de pós colheita, mas a antracnose (Colletotrichum gloeosporioides Penz.) é a mais importante. O controle dessa doença tem sido feito pela imersão dos frutos por cinco minutos em água a 55 °C contendo 0,2 % de tiabendazol. Embora seja eficaz no controle dessa doença, esse fungicida pode deixar resíduos indesejáveis aos consumidores cada vez mais exigentes por frutos ambientalmente limpos e livres de resíduos agroquímicos. Os experimentos foram conduzidos para selecionar produtos biológicos e químicos para controlar a antracnose e aumentar o tempo de conservação da manga na pós colheita. Os frutos, colhidos no estagio de maturação 3 e 4, foram imersos por cinco minutos em tiabendazol a 0,24%, benomil a 0,1% a... |
| Tipo: Folhetos |
Palavras-chave: Controle alternativo; Fungal diseases; Anthracnosis; Alternative control; Mango; Postharvest control; Antracnose; Colletotrichum Gloeosporioides; Doença Fúngica; Fungo; Fitoterapia; Manga; Mangifera Indica; Pós-Colheita; Fungi; Drugs. |
| Ano: 2003 |
URL: http://www.infoteca.cnptia.embrapa.br/infoteca/handle/doc/568122 |
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| 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 |
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| Darolt,Josiane Cecília; Rocha Neto,Argus Cezar da; Di Piero,Robson Marcelo. |
| Abstract Apple is one of the most important temperate fruit to Brazil economy, and the use of synthetic chemicals has been the main method for reducing postharvest diseases, such as the blue mold, caused by Penicillium expansum. This work intends to evaluate the practical utilization of chitosan for blue mold control. For this purpose, fruits were treated in a preventive and curative way, immersing the fruits in chitosan solution (5 or 10 mg mL-1), or adding a single drop of this solution (10 mg mL-1) directly into the injuries. The eradicative effect of the polysaccharide was also evaluated in vitro and in vivo. Chitosan did not show a curative effect against the blue mold, and its eradicative effect was only evidenced on the higher concentration (10 mg... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Antimicrobial activity; Alternative control; Chitosan; Malus domestica; Polysaccharide. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1517-83822016000401014 |
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| Jairoce,Carlos F.; Teixeira,Cristiano M.; Nunes,Adrise M.; Holdefer,Daniela R.; Krüger,Alexandra P.; Garcia,Flávio R. M.. |
| ABSTRACT Corn weevil (Sitophilus zeamais) may cause great losses in the crop and in stored corn grains. This insect is controlled with the use of chemical insecticides, which may cause serious damage to human health. One alternative of control is the use of inert dusts. The objective of this study was to evaluate the efficiency of inert dusts in the control of S. zeamais under laboratory conditions. The experiment was conducted in 2014, in a completely randomized design, and the treatments consisted of basalt dust with three different granulometries (A, B and C) and diatomaceous earth, each of which at the doses of 2 and 4 kg t-1 and a control (no application). Each treatment had four replicates, and the sample unit consisted of 20 g of corn grains... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Sitophilus zeamais; Alternative control; Abrasive effect. |
| Ano: 2016 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000200158 |
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| Pereira,Ricardo Borges; Lucas,Gilvaine Ciavareli; Perina,Fabiano José; Alves,Eduardo. |
| Rust is considered the most important disease in coffee because it causes severe defoliation in plants and, consequently, reduction in productivity. This study evaluated the in vitro effect of essential oils of cinnamon, citronella, lemongrass, clove, tea tree, thyme, neem and eucalyptus on the germination of urediniospores of Hemileia vastatrix; the effectiveness of these oils to control rust on seedlings of coffee cultivars Catucaí 2SL, Catuaí IAC 62 and Mundo Novo 379/19 in the greenhouse; and the effect of more promising oils on urediniospores of H. vastatrix by transmission electron microscopy (TEM). All the essential oils inhibited the germination of urediniospores with increasing concentrations. All oils promoted partial control of the disease in... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Hemileia vastatrix; Alternative control; Transmission electron microscopy. |
| Ano: 2012 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542012000100002 |
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| Santos,Tamara Leite dos; Belan,Leônidas Leoni; Zied,Diego Cunha; Dias,Eustáquio Souza; Alves,Eduardo. |
| ABSTRACT: Lecanicillium fungicola, which causes Dry bubble disease, induces infections and inflicts major losses in champignon production. The control can be managed through measures of hygiene and use of fungicides; however, in Brazil there are no registered products. This study aimed to estimate the influence of various essential oils extracted from Melissa officinalis, Thymus vulgaris, Origanum vulgare, Eucalyptus globulus, Cinnamomum zeylanicum and Syzygium aromaticum on the in vitro development and their uses. Therefore, analysis was performed of the L. fungicola isolates in vitro and the best oils were tested in vivo. Besides, the Agaricus bisporus - L. fungicola interaction was confirmed by scanning electron microscopy (SEM). Cinnamon and clove oils... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Dry bubble disease; Lecanicillium fungicola; Essential oils; SEM; Alternative control. |
| Ano: 2017 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782017000500155 |
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| Teixeira,Glauco Antonio; Alves,Eduardo; Amaral,Douglas Carvalho; Machado,José da Cruz; Perina,Fabiano José. |
| Stem and ear rot caused by Stenocarpella maydis are responsible for severe losses in maize production. Treatment of seeds with fungicides may induce environmental damage. Hence, this study aimed to evaluate the effects of essential oils extracted from Cymbopogon winterianus, Thymus vulgaris, Cymbopogon citratus, Corymbia citriodora, Cinnamomum zeylanicum, and Syzygium aromaticum on the development of in vitro S. maydis. In addition, maize seeds were treated with these essential oils to determine their possible mode of action and effects. The oils from S. aromaticum, C. zeylanicum, and T. vulgaris inhibited fungal development at concentrations higher than 0.025%. The oils from S. aromaticum and C. zeylanicum showed seed germination rates of 89.0% and 84.5%,... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Stenocarpella maydis; Zea mays; Alternative control; Electron microscopy. |
| Ano: 2013 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782013001100004 |
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| Guerra,Myrzânia de Lira; Guerra,Yrlânia de Lira; Souza,Elineide Barbosa de; Mariano,Rosa de Lima Ramos. |
| The action of essential oils in reducing soft rot in Chinese cabbage, and their influence on the colorimetry and physicochemical characteristics of the vegetable were evaluated. In the greenhouse, plants of the cultivar Natsume were sprayed with 11 oils selected in preliminary tests for phytotoxicity: bergamot, lemongrass, copaiba, Eucalyptus citriodora, blue gum, fennel, ginger, spearmint, sweet orange, lemon and clary sage (0.5%) and also the antibiotic Mycoshield® (3 g L-1). After 72 hours the plants were inoculated with Pectobacterium carotovorum subsp. carotovorum (Pcc-c). The oils and the Mycoshield® significantly reduced (P<0.05) the severity (SEV) and the area under the disease progress curve (AUDPC). The oils of bergamot, copaiba, E.... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Brassica pekinensis; Alternative control; Pectobacterium carotovorum subsp. carotovorum; Physico-chemical characteristics; Colorimetry. |
| Ano: 2014 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902014000400014 |
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| Registros recuperados: 42 | |
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