Comprehensive Evaluation on Drought Resistance of Early Fruiting Walnut Cultivars

ACTA HORTICULTURAE SINICA ›› 2014, Vol. 41 ›› Issue (5): 967-974.

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Comprehensive Evaluation on Drought Resistance of Early Fruiting Walnut Cultivars

College of Forest，Northwest A & F University，Yangling，Shaanxi 712100，China

Online:2014-05-25 Published:2014-05-25

Abstract

Abstract: The seedlings of 12 early fruiting walnut cultivars were used as the test materials in this
study to determinate drought resistance index such as physiological and biochemical index，photosynthesis
and chlorophyll fluorescence parameters by using natural drought stress and after rewatering method. Then
5 major indicators were selected by using principal component analysis to analyze drought resistance
coefficient of each drought resistance index characters. And then the drought resistance of early fruiting
walnut varieties were comprehensively evaluated by using membership function. The sequence of drought
resistance of twelve early fruiting walnut cultivars were：Liaohe 1 > Zhonglin 5 > Xinzaofeng > Wen 185 >
Luguang > Zhonglin 1 > Liaohe 4 > Za 343 > Chandler > Xiangling > Xilin 2 > Xifu 1. The evaluation
result is similar to the reaults tested in the field.

Key words: walnut, early fruiting, soil drought stress, multiple statistics analysis, drought resistant compehensive evaluation

CLC Number:

S 664.1

LIU Du-Ling, PENG Shao-Bing, SUN Hong-Mei, ZHANG Bo-Yong, ZHU Hai-Lan. Comprehensive Evaluation on Drought Resistance of Early Fruiting Walnut Cultivars[J]. ACTA HORTICULTURAE SINICA, 2014, 41(5): 967-974.

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Comprehensive Evaluation on Drought Resistance of Early Fruiting Walnut Cultivars

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