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Navegação Scientia Agrícola por título
Itens para a visualização no momento 25-44 of 44
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(Escola Superior de Agricultura "Luiz de Queiroz", 1992-01)O presente trabalho teve como finalidade, estudar o efeito de auxinas e do boro no enraizamento de estacas caulinares de Coffea arabica L. cv. "Mundo Novo". As estacas foram retiradas de ramos ortotrópicos semi-lenhosos ... -
(Escola Superior de Agricultura "Luiz de Queiroz", 2003-04)One management practice of which the efficiency has not yet been scientifically tested is spraying coffee plants with diluted sucrose solutions as a source of carbon for the plant. This paper evaluates the effect of foliar ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2010-11)The overlap of generations of coffee berry borer (CBB), Hypothenemus hampei (Ferrari) under field conditions in countries like Colombia hinders the construction of life tables by the sampling of natural populations. In ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2005-01)Some species belonging to the genus Aspergillus are potential producers of ochratoxin A (OA), a mycotoxin with nephrotoxic, immunosuppressive, teratogenic and carcinogenic effects. The aim of the present study was to ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2011-07)Coffee ringspot is a minor coffee disease caused by the nuclear type of Brevipalpus mite-transmitted virus, Coffee ringspot virus (CoRSV). Recently outbreaks of the disease in some growing regions of the state of Minas ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2011-07)The evapotranspiration estimation has great importance to crop productivity and agricultural water management. In this study, evapotranspiration is analyzed in a coffee (Coffea arabica L.) crop located in Piracicaba, state ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2005-03)Replacement of corn by citrus pulp or coffee hulls explores the potential of dairy cows to digest fiber-rich feedstuffs. However, for the State of Minas Gerais, Brazil, replacing citrus pulp by coffee hulls may reduce milk ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2010-11)It is difficult to separate the effects of light reduction versus nutrient and water competition in agroforestry systems. The objective of this experiment was to evaluate the effect of shading and fertilizer supply on the ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2002-01)O clima e o solo tem elevada influência na qualidade dos grãos de café (Coffea arabica L.) beneficiado. Foram instalados dois experimentos sobre latossolo (Latossolo Vermelho distroférrico e Latossolo Vermelho-Amarelo ...
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Receptor-Like Kinase (RLK) as a candidate gene conferring resistance to Hemileia vastatrix in coffee(Escola Superior de Agricultura "Luiz de Queiroz", 2021)The biotrophic fungus Hemileia vastatrix causes coffee leaf rust (CLR), one of the most devastating diseases in Coffea arabica. Coffee, like other plants, has developed effective mechanisms to recognize and respond to ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2013-07)Nutrient analysis is used to estimate nutrient content of crop plants to manage fertilizer application for sustained crop production. Direct solid analysis of agricultural and envi- ronmental samples by energy dispersive ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2021)Land use and tillage practices may change soil structure and undermine sustainable agriculture; however, such changes are hardly identified in the short term. In this sense, agroforestry systems have been used to reduce ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2019-03)Awareness of evapotranspiration (ET) and crop coefficient (Kc) is necessary for irrigation management in coffee crops. ET and Kc spatial variabilities are disregarded in traditional methods. Methods based on radiometric ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2008-12)Despite the importance of leaf wetness duration for plant disease epidemiology, there has been little attention paid to research on how its variability relates to different cropping situations. The objective of this study ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2009-01)The study of pest distributions in space and time in agricultural systems provides important information for the optimization of integrated pest management programs and for the planning of experiments. Two statistical ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2011-01)Coffee (Coffea arabica) plants show a positive relationship between stomatal closure and formation and accumulation of H2O2. However, for coffee plants under water restriction such relationship has never been studied. The ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2008-07)Vegetables have a natural defense against external factors synthesizing phenolic compounds, which depends on the maturity stage and on the climate. Total phenol grades were extracted from mature and young coffee leaves and ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2006-03)Establishing field water balances is difficult and costly, the variability of their components being the major problem to obtain reliable results. This component variability is presented herein for a coffee crop grown in ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2011-07)Although Coffea arabica species has its origin in the African understories, there is great resistance on the part of the Brazilian producers for growing this species under agroforestry systems as they fear that shading ...
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(Escola Superior de Agricultura "Luiz de Queiroz", 2010-11)Coffee (Coffea Arabica L.) plantations using adapted cultivars to regional environmental conditions with optimal plant population density and adequate nutrition are expected to show high yield responses. The triennial ...
Itens para a visualização no momento 25-44 of 44
