Seed Losses
Mostrando 1-12 de 35 artigos, teses e dissertações.
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1. DOES MOISTURE IN PODS INTERFERE WITH MECHANIZED HARVESTING OF PEANUTS?
ABSTRACT Although peanut harvesting results in significant losses, it has rarely been investigated. Thus, this study aimed to analyze the interference of different pod moisture contents on peanut harvesting and their influence on the process quality based on losses and impurities. An experiment was performed in a peanut seed producing area, in Luzitânia, di
Eng. Agríc.. Publicado em: 2021-02
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2. PRODUCTIVITY OF CORN HYBRIDS IN RELATION TO SOWING OVERLAP
ABSTRACT The automatic control of section shut-off in seed drills minimizes seeding overlap and can reduce productivity losses, especially in responsive crops such as corn. In that context, this study evaluated the effect of sowing overlap on the grain yield and productivity of three corn hybrids. A DB-50 precision seed drill, with 33 rows equipped with a 16
Eng. Agríc.. Publicado em: 2020-08
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3. Selection to high productivity and stink bugs resistance by multivariate data analyses in soybean
ABSTRACT Stink bugs that affect soybeans are responsible for significant losses in seed production, quality and germination potential, in addition to hindering the mechanized harvest. To develop insect resistant materials, the breeder can compile a selection index by factor analysis. Therefore, the objective of this work was to validate the use of factor ana
Bragantia. Publicado em: 2020-06
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4. Immediate and latent effects of drying soybeans with dehydrated air
ABSTRACT. New grain drying techniques have been improved to reduce post-harvest losses. The electric air dehumidifier (UTA 60®) is an example; it was installed at the ELLITT Seed Company for drying soybean seeds (TEC 7849) with random sample collection (DIC). Our objective was to evaluate the immediate and latent effects of the dehumidified air on the vigou
Acta Sci., Agron.. Publicado em: 23/09/2019
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5. Evaluation of soybean breeding lineages to new sources of root-knot nematode resistance
RESUMO No Brasil, as perdas causadas pelos nematoides aumentaram nas áreas produtoras à medida que a cultura da soja se expande. Portanto, este trabalho teve como objetivo desenvolver uma nova cultivar de soja não geneticamente modificada que combinasse características como resistência a nematoides, maturação precoce, alta produtividade de grãos e al
Ciênc. agrotec.. Publicado em: 08/08/2019
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6. Mitigation of drought stress effects on soybean gas exchanges induced by Azospirillum brasilense and plant regulators
RESUMO O déficit hídrico é limitante à produção agrícola, tendo como efeito primário a redução nas trocas gasosas vegetais, e a continuidade da incidência resulta em menor produtividade. Objetivou-se avaliar as respostas fotossintéticas e a produção de soja sob déficit hídrico severo induzido, em relação à inoculação via semente e aplica
Pesqui. Agropecu. Trop.. Publicado em: 18/07/2019
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7. Estimating Yield Losses in Soybean Due to Sourgrass Interference
RESUMO: O manejo do capim-amargoso se destaca como um dos principais desafios enfrentados pelos sojicultores brasileiros. Características relacionadas a sua biologia e ecologia, associado à ampla distribuição de biótipos resistentes ao glyphosate, tornam essa planta daninha uma espécie de difícil controle. Objetivou-se com este trabalho avaliar a inte
Planta daninha. Publicado em: 10/06/2019
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8. Phytosanitary quality of Brachiaria brizantha ‘BRS Piatã’ seeds in function of climate conditions
RESUMO A semente infectada é um dos principais veículos de transmissão de patógenos, responsáveis por perdas significativas em campos de produção e, as condições sanitárias destas dependem do inóculo e dos fatores climáticos presentes. Assim, objetivou-se identificar variáveis climáticas das regiões que propiciam a produção de sementes de Br
Rev. bras. eng. agríc. ambient.. Publicado em: 2019-04
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9. Can an increase in nitrogen rate mitigate damages caused by uneven spatial distribution of maize plants at the sowing row?
ABSTRACT. An uneven distribution of maize plants at the sowing row can decrease grain yield. This work was carried out to evaluate the effect of an increasing nitrogen rate on maize agronomic performance under different variation coefficients of plant spatial distributions at the sowing row. The experiment was conducted in Lages, Santa Catarina State, South
Acta Sci., Agron.. Publicado em: 28/03/2019
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10. Forage sorghum-legumes intercropping: effect on growth, yields, nutritional quality and economic returns
ABSTRACT Cereal-legumes intercropping is among the most economical and effective agronomic strategies to boost forage biomass production, nutritional quality and monetary returns. This review synthesizes the research findings on how intercropping affects productivity, quality, competitiveness and economic viability of sorghum-legumes mixed, row and strip int
Bragantia. Publicado em: 03/12/2018
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11. Crop size influences pre-dispersal seed predation in the Brazilian Cerrado
ABSTRACT Many pre-dispersal seed predators are specialized insects that rely on seeds for larval development. These insects may respond to the amount of seeds produced by a plant (i.e. crop size), increasing the proportion of seeds damaged with increases in seed numbers. Large seeds have more resources and spend more time in plants to complete their developm
Acta Bot. Bras.. Publicado em: 27/11/2017
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12. Morphological analysis and DNA methylation in Conyza bonariensis L. cronquist (Asteraceae) phenotypes
ABSTRACT The species Conyza bonariensis (L.) cause losses in agriculture due to their invasive capacity and resistance to herbicides like glyphosate. The species of this genus exhibit phenotypic plasticity, which complicates their identification and characterization. Thus, experiments were performed with 2 extreme C. bonariensis phenotypes (called broad leaf
Bragantia. Publicado em: 14/08/2017