2011
DOI: 10.1590/s0034-737x2011000300015
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Comportamento de genótipos de soja submetidos a déficit hídrico intenso em casa de vegetação

Abstract: Performance of soybean genotypes under high intensity drought stress in greenhouse conditionsThe objective of this study was to evaluate the performance and the traits involved in the responses of three soybean genotypes to high intensity drought stress under greenhouse conditions. The experiment was carried out at the Greenhouse and Horticulture Station Professor Mario César Lopes, NEE/UNIOESTE -Marechal Cândido Rondon, PR, Brazil, in 2007. Were evaluated three soybean genotypes (CD 201, CD 202 and CD 217) s… Show more

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Cited by 44 publications
(39 citation statements)
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References 19 publications
(29 reference statements)
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“…Furthermore, a progressive increase in the total amount of soluble carbohydrates, such as sorbitol, sucrose and starch in the cells, improves plant resistance, this effect is characterized as crop adaptation to drought and has been studied in several cultivars (Fioreze et al 2011). …”
Section: Resultsmentioning
confidence: 99%
“…Furthermore, a progressive increase in the total amount of soluble carbohydrates, such as sorbitol, sucrose and starch in the cells, improves plant resistance, this effect is characterized as crop adaptation to drought and has been studied in several cultivars (Fioreze et al 2011). …”
Section: Resultsmentioning
confidence: 99%
“…Quando os níveis de umidade do solo foram mantidos na CC (-0,01 MPa) e a 80 % da CC (-0,03 MPa), o teor relativo de água nas folhas de soja não foi influenciado significativamente em nenhuma das avaliações, de modo que os valores médios variaram de 94,0 e 92,2 % no primeiro dia de avaliação; de 94,3 e 92,5 %, no segundo dia; e de 88,5 e 91,6 %, no terceiro dia (Quadro 3). Resultados semelhantes foram reportados por Fioreze et al, (2011). O autor, avaliando o efeito do déficit hídrico em três cultivares de soja, verificou que o teor relativo de água nas folhas nos tratamentos sob manejo normal de irrigação (100 % da CC) se manteve superior a 90 %, durante todo o período de avaliação.…”
Section: Resultsunclassified
“…These cultivars have a long flowering stage that can attenuate the drought effect on the reduction of the numbers of flowers and pods, once the reproductive stage is more sensitive to water deficit (Liu et al 2004a). Nevertheless, this response could also be genotype-dependent such as in cultivars of soybean with determinate growth habit in which the tolerant genotypes keep high relative leaf water content (Fioreze et al 2011).…”
Section: Introductionmentioning
confidence: 99%