Water stress induced by mannitol and sodium chloride in soybean cultivars

被引:28
|
作者
Neto, NBM
Saturnino, SM
Bomfim, DC
Custódio, CC
机构
[1] UNOESTE, Dept Biol Vegetal & Fitossanidade, BR-19067175 Presidente Prudente, SP, Brazil
[2] UNOESTE, Curso Grad Agron, BR-19067175 Presidente Prudente, SP, Brazil
关键词
Glycine max; tolerance; salinity; germination; vigour;
D O I
10.1590/S1516-89132004000400004
中图分类号
Q [生物科学];
学科分类号
07 ; 0710 ; 09 ;
摘要
Four soybean (Glycine max L. Merril.) cultivars were contrasted in relation to germination and vigour of seedlings, when seeds were submitted to water stress induced by mannitol or sodium chloride. Water stress affected seed germination and seedling development, however, seedling development was affect in higher osmotic potential (-0.3MPa) than the necessary to affect germination -1.2MPa when induced by mannitol or -0.6MPa when induced by sodium chloride. 'Pioneira' and 'Xingu' cultivars had high development in low water availability and/or salinity conditions.
引用
收藏
页码:521 / 529
页数:9
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