Comprehensive evaluation on drought-resistance of different soybean varieties

Chinese Journal of Applied Ecology

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Comprehensive evaluation on drought-resistance of different soybean varieties

LI Guiquan¹;ZHANG Haiyan^1,2;JI Lan³;ZHAO Erkai⁴; LIU Jianbing¹;LI Ling¹; ZHANG Jiarong¹

¹College of Agronomy, Shanxi Agricultural University, Taigu 030801, Shanxi, China;
²Agricultural Bureau of Yanhu District, Yuncheng 044000, Shanxi, China;
³College of Horticulture, Shanxi Agricultural University, Taigu 030801, Shanxi, China;
⁴Taiyuan University of Technology, Taiyuan 030024, Shanxi, China

Received:2005-12-02 Revised:2006-10-08 Online:2006-12-18 Published:2006-12-18

Abstract

Abstract: The drought-resistance of ten soybean cultivars of various ecotypes was investigated by pot culture and in field. At the stages from flowering and podding, the physiological and ecological indices related to drought-resistance were measured and analyzed under normal and water stress conditions. Taking each drought-resistance coefficient as an index to measure single drought-resistance capacity, all drought-resistance coefficients were synthesized into several new independent comprehensive indices by using principal component analysis. On the bases of above results, subordinate values of comprehensive indices were worked out by subordinate function, on which, the drought resistance of different soybean cultivars or lines could be evaluated. By means of this method, Jinda 74 and Jinda 53 were evaluated as two cultivars with strong drought-resistance. The evaluation results corresponded well to the fact.

Key words: Great bustard, Behavior, Time budget, Daily rhythm, Activity

LI Guiquan¹;ZHANG Haiyan^1,2;JI Lan³;ZHAO Erkai⁴; LIU Jianbing¹;LI Ling¹; ZHANG Jiarong¹ . Comprehensive evaluation on drought-resistance of different soybean varieties[J]. Chinese Journal of Applied Ecology.

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Comprehensive evaluation on drought-resistance of different soybean varieties

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