Eficiência do uso da radiação solar e índices morfofisiológicos em cultivares de feijoeiro
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Data
2015-03-02
Título da Revista
ISSN da Revista
Título de Volume
Editor
Evandro Novaes
Resumo
Common bean crops present a broad edaphoclimatic
adaptation, allowing their cultivation throughout the year.
However, in order to reach good economic income levels, it is
fundamental to understand the processes that affect the growth
and development of the crop in various environments. This study
aimed to compare two common bean cultivars (BRS Radiante
and Pérola) contrasting in cycle and growth behavior by using
morphophysiological indices and solar radiation use efficiency.
The following traits were evaluated: light extinction coefficient,
radiation use efficiency, phenologic development, leaf area index,
total dry matter weight, crop growth rate, relative growth rate
and dry matter partitioning. The BRS Radiante cultivar shows
a higher vigor, when compared to the Pérola cultivar, due to
its faster initial phenologic development and higher initial and
relative growth rates. Both cultivars differ for leaf area index
and shoot architecture, although that does not happen for light
extinction coefficient. The BRS Radiante cultivar shows a higher
solar radiation use efficiency, resulting in a greater dry matter
yield throughout its development.
Descrição
v. 45, n. 1, p. 9-17, jan./mar. 2015.
Palavras-chave
Phaseolus vulgaris L., Ecofisiologia, Análise de crescimento vegetal, Ecophysiology, Plant growth analysis
Citação
TEIXEIRA, Gisele Carneiro da Silva; STONE, Luís Fernando; HEINEMANN, Alexandre Bryan. Eficiência do uso da radiação solar e índices morfofisiológicos em cultivares de feijoeiro. Pesquisa Agropecuária Tropical, Goiânia, v. 45, n. 1, p. 9-17, jan./mar. 2015. Disponível em: < http://www.revistas.ufg.br/index.php/pat/article/view/28297/17984>.