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Registros recuperados: 8
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Factors influencing yellow stemborer damage to transplanted rice International Rice Research Institute
Pena, Nora B..
98 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Planting; Boring insects; Scirpophaga incertulas; Plant damage; Climate; Plant cultural practices; Maturity stage; Varietal resistance.
Ano: 1987 URL: http://hdl.handle.net/123456789/1290
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Genetic control of traits related to maturity in cowpea. Repositório Alice
SANTOS, S. P. dos; SILVA, K. J. D. e; ARAGÃO, W. F. L. de; ARAÚJO, M. dos S.; ROCHA, M. de M..
The aim of this study was to investigate genetic control of the traits number of days to flowering (NDF) and number of days to maturity (NDM) in a cowpea cross. Genetic parameters were estimated in segregating and nonsegregating generations of a cross between two contrasting cowpea genotypes (MNC05-828C-1-9-1 × MNC04-792F-146). No evidence for maternal effect was found for either trait. Broad and narrow sense heritability estimates were above 50%, allowing genetic gains from selection of plants in the F2 generation. High significance of additive gene effects and low contribution of dominance and epistatic effects were detected for both traits. The estimated number of genes controlling the traits was around 4 for NDF and 5 for NDM. The results suggest that...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Parâmetro Genético; Floração; Maturação; Plant breeding; Inheritance (genetics); Flowering; Maturity stage.
Ano: 2020 URL: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1128602
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Germinação in vitro de embriões zigóticos de murumuru (Astrocaryum ulei). Repositório Alice
PEREIRA, J. E. S.; MACIEL, T. M. S.; COSTA, F. H. da S.; PEREIRA, M. A. A..
Com o presente trabalho objetivou-se avaliar a influência de concentrações de sacarose e a idade fisiológica da semente na germinação in vitro de embriões zigóticos de murmuru. Frutos em dois estágios de desenvolvimento coletados de plantas do campo tiveram os embriões excisados, desinfestados e inoculados em meio de cultura de MS com 75% das concentrações de sais, suplementado com 2,5 g.L-1 de ácido giberélico e diferentes concentrações de sacarose: 15, 30 e 45 g.L-1. Em sala de crescimento, o material foi mantido por 30 dias no escuro, sendo transferido em seguida para condições luminosas de 30 me.m-2.s-1, temperatura de 25±2ºC e fotoperíodo de 16 horas para completo desenvolvimento. O delineamento estatístico utilizado foi inteiramente casualizado em...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Embrapa Acre; Rio Branco (AC); Acre; Amazônia Ocidental; Western Amazon; Amazonia Occidental; Reprodução vegetal; Micropropagação; Murumuru; Astrocaryum murumuru; Germinação; Cultura in vitro; Fator de crescimento; Sacarose; Semente; Idade; Plant breeding; Micropropagation; Astrocaryum; Seed germination; In vitro culture; Growth performance; Sucrose; Seeds; Maturity stage; Fitomejoramiento; Micropropagación; Germinación de las semillas; Cultivo in vitro; Desempeño del crecimiento; Sucrosa; Semillas; Etapa de maduración.
Ano: 2006 URL: http://www.alice.cnptia.embrapa.br/handle/doc/509498
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Measurement of volume of macaw palm fruit using traditional and the digital Moiré techniques AGRIAMBI
Costa,Anderson G.; Ribeiro,Elisângela; Braga,Roberto A.; Pinto,Francisco A. C..
ABSTRACT The macaw palm crop has been studied because of its bioenergy potential due to the high oil yield, which is linked to fruit maturity stage. Digital images have been adopted as a contactless way to obtain information about fruit surface area and volume, acting as a sensor for quality control and the classification of fruits, based on physical aspects during the maturation stage. The aim of this study was to estimate the volume of macaw palm fruits from digital models obtained by the Moiré technique using only one camera, associated with digital image-processing tools to unwarp the images, allowing the comparison with conventional methods. The volumes obtained by the Moiré technique were compared with those obtained by water displacement method...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Profilometry analysis; Optical sensors; Maturity stage; Moiré technique.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662016000200152
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Notes on nine biological indicators estimable from trawl surveys with an illustrative assessment for North Sea cod ArchiMer
Cotter, John; Mesnil, Benoit; Witthames, Peter; Parker-humphreys, Matt.
This paper reviews a selection of nine indicators for assessing the biological state of a fish population monitored only by using trawl surveys in which catchability is assumed constant from time to time and place to place. The intention is to inform or remind of the range of possibilities and of associated practical and statistical issues. The indicators, grouped according to relationships with abundance, length, age, weight, and reproduction, are documented in a standard format covering estimation, interpretability, sensitivity, considerations for reference points where possible, and an example of their application. Lastly, selected indicators together with year-class curves fitted to abundance indices-at-age are applied to the North Sea cod to...
Tipo: Text Palavras-chave: Ecosystem approach to fisheries management; Year class curves; Weight index; Maturity stage; Age composition; Length based indicators; Biological indicators.
Ano: 2009 URL: http://archimer.ifremer.fr/doc/2009/publication-6901.pdf
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Physical and mechanical parameters correlated to the ripening of mangoes ( Mangifera indica L.) cv. 'Tommy Atkins' Acta Agron. (Palmira)
Souza-Costa*,Josenara Daiane De; Cardoso-Almeida,Francisco De Assis; Figueiredo-Neto,Acácio; Lucena-Cavalcante,Ítalo Herbert.
Abstract: Studies on the maturation of mangoes in growing regions may help determine the optimal harvest strategies to support proper post-harvest handling and improve the fruit shelf life. The aim of the present study is to evaluate changes and establish correlations of physical and mechanical parameters during the ripening of mangoes cv. 'Tommy Atkins' collected from fifty plant rows in a commercial orchard. The fruits were picked at 35, 50, 65, 80, 95, 110, 125 and 135 days after flowering (DAF). Fruit mass, longitudinal diameter (LD), transverse diameter (TD), fruit firmness, force and maximum deformation compression, tension and Hencky's strain were evaluated. The statistical design was totally randomized with four replications with ten fruits each....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Maturity stage; Fruit firmness; Compression strength; Mechanical properties; Ruptures stress.
Ano: 2017 URL: http://www.scielo.org.co/scielo.php?script=sci_arttext&pid=S0120-28122017000200186
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Quality of mini tomatoes harvested at two maturity stages and kept chilled in three packages Horticultura Brasileira
Caron,Vanessa C; Tessmer,Magda A; Mello,Simone C; Jacomino,Angelo P.
The economic importance of small tomato fruits has been increased considerably due to the significant levels of lycopene and sugars. However, to achieve these compounds, the harvest is limited to a ripening stage demanded by consumers, which could reduce this marked period. Harvesting at an early stage and use of conservation techniques are desirable to amplify the marketing period. The aim of this study was to evaluate the quality of small tomato fruits, Sweet Grape cultivar, harvested at two stages of ripening (light red and red), kept in three types of package (perforated PET, PEBD 30 μ and Vegetal Pack 18 μ) at a temperature of 20±1ºC and a relative humidity (RH) of 85±5% during 20 days. During this period, gas composition inside the packaging (O2, CO2...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Solanum lycopersicum; Maturity stage; Conservation; Modified atmosphere.
Ano: 2013 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362013000200017
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Ripening and shelf life of 'BRS Caipira' banana fruit stored under room temperature or refrigeration Ciência Rural
Lima,Orjana Santos; Souza,Elaine Goes; Amorim,Edson Perito; Pereira,Márcio Eduardo Canto.
BRS Caipira variety, internationally known as 'Yangambi km 5', is an alternative to meet the demand of 'Maçã'-type fruit due to its resistance to Panama disease. This study had the objective of generating information about 'BRS Caipira' fruit ripening and cold storage potential. For the ripening study fruits were stored under room temperature conditions (25±2°C / 58±6% U.R.) and assessed for postharvest life evaluation and characterization of seven maturity stages based on peel color: completely green - MS1; green with yellow traces - MS2; more green than yellow - MS3; more yellow than green - MS4; yellow with green tips - MS5; completely yellow - MS6; yellow with brown spots - MS7. For the cold storage potential study, fruits at MS1 were cold stored...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Musa spp.; 'Yangambi km 5'; Cold storage; Maturity stage.
Ano: 2014 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782014000400027
Registros recuperados: 8
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