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Evaluation of Drought Resistance of Soybean Germplasm in Seedling Stage(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2016年06期
Page:
964-968
Research Field:
Publishing date:

Info

Title:
Evaluation of Drought Resistance of Soybean Germplasm in Seedling Stage
Author(s):
ZANG Zi-wei;  ZHAO Xue;  LI Hai-yan;  LI Wen-bin;  HAN Ying-peng
（Northeast Agricultural University, Chinese Education Ministry’s Key Laboratory of Soybean Biology/Key Laboratory of Northeastern Soybean Biology and Breeding/Genetics of Chinese Agriculture Ministry, Harbin 150030, China）
Keywords:
Soybean;  Variety screening;  Seedling stage;  Drought resistance
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2016.06.0964
Abstract:
In this study, 11 germplasm were evaluated in potted drought stress experiment. A total of 8 identification indexes including seedling dry weight, root dry weight, main root length, total root length, shoot ratio,chlorophyll, malondialdehyde (MDA), relative water content was analyzed, and then analyzed the relationship between each index and with the grey relational analysis to evaluate the drought resistance of different soybean cultivars based on drought and non drought stress indexs.The results showed that the cultivars with strong resistance to drought were Dongnong 47, L-79, Heinong 44 and Conrad(the grey correlation degree ri>0.8);the cultivars with resistance to drought were Nenfeng 11, Sui 04-5804, Shidadou and Suinong 29（the grey correlation degree was between 0.8-0.6),the cultivars with sensitive to drought were Zhonghuang 10 and Ken 04-8579 （the grey correlation degree was between 0.5 and 0.6）and the cultivar with high sensitive to drought was Fangzhengmoshidou（the grey correlation degree ri<0.439）.

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Last Update: 2016-12-09