Lodging
Mostrando 1-12 de 113 artigos, teses e dissertações.
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1. Genetic divergence and combined selection for traits that provide high agronomic performance in common bean lines
ABSTRACT The selection of common bean lines with intermediate cycle, upright plant architecture and high grain yield is an important goal of breeding programs. This study proposes to examine the genetic diversity of common bean genotypes for agronomic traits, select superior genotypes for traits that provide high agronomic performance and define promising cr
Revista Ceres. Publicado em: 2022
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2. Inbreeding depression and genetic variability of populations for green maize production
ABSTRACT The production of green maize is considerable important for various regions of Brazil. It is vital that breeding programs of public institutions seek to meet the needs of this market sector, which has a relevant social role, mainly on small properties. The aim of this study was to estimate the inbreeding depression and the genetic components (m + a
Revista Ceres. Publicado em: 2022
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3. Doses and application times of trinexapac-ethyl in upland rice
ABSTRACT The use of growth regulators as a technique that can reduce plant height and thus strengthen stalks, which may be an option to eliminate or reduce plant lodging, thereby avoiding crop loss. However, there is a lack of information on the subject. The purpose of this study was to evaluate the effect of the dose (0; 37.5; 75.0; 112.5 e 150.0 g ha-1 act
Rev. Ceres. Publicado em: 2021-06
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4. Topdressing nitrogen fertilization associated with trinexapac-ethyl on industrial quality of oat grains
ABSTRACT Nitrogen fertilization, besides increasing productivity, can favor the production of well-formed, large, and heavy grains, which are traits valued by the oat processing industry. However, high nitrogen (N) doses may lead to plant lodging, which could be solved by using growth retardant. This study aimed to evaluate the industrial quality of white oa
Rev. Ceres. Publicado em: 2021-02
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5. Straw management effects on sugarcane growth, nutrient cycling and water use in the Brazilian semiarid region
ABSTRACT It was evaluated how straw management modifies the development, growth, nutrient cycling and crop water productivity of sugarcane in the semiarid region of Brazil. The experiment was carried out using two plots with 5 ha each, being one without straw on the soil surface and one with 26 Mg·ha-1 covering the soil. Sugarcane growth and development and
Bragantia. Publicado em: 2020-12
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6. BRS 901 and BRS 902: red rice cultivars bred for Brazil
Abstract BRS 901 and BRS 902 are red pericarp rice cultivars developed by Embrapa for irrigated and rainfed lowland production systems in Brazil. These cultivars have medium and early maturation cycles, respectively, and both have high grain yield potential, good lodging tolerance and short to medium length grains.
Crop Breed. Appl. Biotechnol.. Publicado em: 05/12/2019
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7. Stability analysis of pure lines and a multiline of soybean in different locations
Abstract To compare agronomic performance and phenotypic stability among individual soybean lines and a multiline, eight cultivars and a mixture of them were evaluated in six environments in the 2014/2015 and 2015/2016 crop seasons. At maturity, grain yield (bg ha-1), lodging score, plant height (cm), and first pod height (cm) were evaluated. In the 2015/201
Crop Breed. Appl. Biotechnol.. Publicado em: 05/12/2019
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8. Pure line selection in a heterogeneous soybean cultivar
Abstract Although cultivars of autogamous plants are homogeneous genotypes, they may show natural variability due to mechanical mixing, natural hybridization, and mutation. The aim of the present study was to estimate genetic and phenotypic parameters and to identify and select superior genotypes that associate good performance in traits of interest from a h
Crop Breed. Appl. Biotechnol.. Publicado em: 31/10/2019
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9. Higher-precision experimental statistics for the selection of early and upright common bean lines
ABSTRACT. The development of early and upright common bean cultivars is necessary to meet the demand of producers. The objectives of this work were to evaluate more precise experimental statistics for the selection of early and upright common bean lines and identify the traits that provide better genetic differentiation between lines. For this purpose, 156 c
Acta Sci., Agron.. Publicado em: 21/10/2019
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10. Phenolic Compounds with Allelopathic Potential of Secale cereale L. and Raphanus sativus L. Grown Under an Agroecological No-Tillage System
RESUMO: A identificação de compostos com potencial alelopático produzidos pelas plantas de cobertura pode auxiliar na seleção de espécies para fins de manejo de plantas daninhas em sistema de plantio direto. O objetivo deste estudo foi identificar os principais compostos fenólicos com potencial alelopático na parte aérea das plantas de cobertura cen
Planta daninha. Publicado em: 30/09/2019
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11. PENSÕES E ENXOVAIS: INVESTIMENTOS FAMILIARES COM A INSTRUÇÃO EM INTERNATOS NA CORTE IMPERIAL DO RIO DE JANEIRO (SÉCULO XIX)
RESUMO Este artigo é uma abordagem histórica a respeito dos investimentos de famílias para o ingresso e estada de seus filhos e filhas nos internatos particulares da Corte Imperial do Rio de Janeiro (XIX). A educação dispensada nos internatos constituía-se em privilégio de classes ou de posições sociais de famílias abastadas, segmentos que podiam f
Hist. Educ.. Publicado em: 26/09/2019
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12. IDENTIFICATION OF MAIZE LODGING: A CASE STUDY USING A REMOTELY PILOTED AIRCRAFT SYSTEM
ABSTRACT A common agricultural problem in many regions of Brazil is maize lodging, as a consequence of strong winds and rain which impacts on crop growth and yield. However, collecting data using ground-based, manual field measurement methods is inefficient. An emerging tool is the Remotely Piloted Aircraft System (RPAS), capable of delivering spatial data w
Eng. Agríc.. Publicado em: 09/09/2019