Study on the Influence of Root of Different Wheat Varieties under Drought Stress

doi:10.7668/hbnxb.2010.06.037

Abstract

Abstract: In order to find the relation between root activity, root soluble sugars, and their drought resistance, 22 winter wheat varieties which mainly planted in the north of China were detected.The result displayed Chang 6878, chang 4378, Baomai 9, Henong 825 and Zhonghall 1 10 got a high drought index among the 22 varieties.In filling mediam negative correlation was discovered between root soluble sugars and drought index.So we speculated that drought resistance varieties under drought stress can synthesis the root soluble sugar then transport them to ear filling, for the purpose of replenish the drought caused by insufficient amount of photosynthetic products.

Key words: Drought stress, Wheat, Root, Root acitivity, Soluble carbohydrate

CLC Number:

S512.1

ZUO Wen-bo, WU Jing-li, YANG Qi, ZHANG Jia-nan, LIU Gui-ru. Study on the Influence of Root of Different Wheat Varieties under Drought Stress[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2010, 25(6): 191-193. doi: 10.7668/hbnxb.2010.06.037.

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