Drought Tolerance Characteristics of Brazilian Soybean Cultivars : Evaluation and characterization of drought tolerance of various Brazilian soybean cultivars in the field(Crop Physiology and Ecology)
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概要
- 論文の詳細を見る
Drought is one of the major constraints for soybean production in Brazil. Seed yield of ten Brazilian soybean cultivars sheltered from rain (drought stress) for one month after the first flowering was examined over two growing seasons in the field in Londrina, Brazil. The drought tolerance on the basis of seed yield varied with the cultivar, and the yield ranking among cultivars was nearly the same across two years. In cultivars with higher drought tolerance, crop growth rate (CGR) during the drought stress period was higher than in other cultivars. They also maintained a larger leaf area during the stress period. Although reproductive development was retarded by the drought stress, it tended to be retarded less in drought-tolerant cultivars. The information obtained in this research may be useful for breeding drought-tolerant cultivars or selecting diverse germplasms of soybean cultivars.
- 日本作物学会の論文
著者
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TOBITA Satoshi
Japan International Research Center for Agricultural Sciences (JIRCAS)
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Neumaier Norman
National Soybean Research Center Of Brazilian Agricultural Research Corporation
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Tobita Satoshi
Japan International Res. Center For Agricultural Sci. (jircas) Ibaraki Jpn
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Tobita Satoshi
Japan International Research Center For Agricultural Sciences
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Ito Osamu
Japan International Research Center for Agricultural Sciences
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Oya Tetsuji
Japan International Research Center for Agricultural Sciences
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Nepomuceno Alexandra
National Soybean Research Center of Brazilian Agricultural Research Corporation
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Farias Jose
National Soybean Research Center of Brazilian Agricultural Research Corporation
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Ito Osamu
Japan Institute Of Sports Sciences (jiss)
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Ito Osamu
Japan Institute Of Sports Sciences
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