Drought tolerance processes in soybeans |
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Authors: | A Vidal M Arnoux |
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Institution: | (1) Institut National de la Recherche Agronomique, Station d’Amélioration des Plantes de Montpellier, 9 place Viala, 340 60 Montpellier Cedex, France |
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Abstract: | Fifteen soybean cultivars were evaluated in two water supply conditions, inducing or not a drought stress. Main canopy traits
were measured several times during the reproductive period and, at maturity date, the yield components were estimated. Using
principal components analysis, the main physiological functions involved in soybean drought tolerance are described: leaf
cells enlargement and assimilates transport. These processes could be a good basis on which to define new selection criteria
for soybean drought tolerance. |
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Keywords: | Glycine max (L ) Merbill cultivars |
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