Comparison study on water use efficiency of wheat flag leaf |
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Authors: | Zhang Zhengbin Shan Lun |
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Institution: | (1) State Key Laboratory of Soil Erosion and Dryland Farming on Loess Plateau, Institute of Soil and Water Conservation, Chinese Academy of Sciences, 712100 Yangling, China |
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Abstract: | 44 wild species and cultivars were planted under irrigated and dryland field condition. LCA-3 model photosynthesis apparatus
was employed to measure flag leaf WUE. The results show that WUE of diploid and tetraploid increases as the wild species became
cultivated species. WUE of flag leaf increases as the chromosome ploid increases (2n→4n→6n) in the wheat evolution. Among
modern cultivars, WUE of most irrigated varieties is higher than that of dryland varieties. |
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Keywords: | wheat flag leaf water use efficiency |
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