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Evaluation of Drought Resistance of Different Soybean at Seed Germination Stage and the Screening of Germplasm(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年04期
Page:
616-623
Research Field:
Publishing date:

Info

Title:
Evaluation of Drought Resistance of Different Soybean at Seed Germination Stage and the Screening of Germplasm
Author(s):
ZHOU Yu-li1;  ZHU Ping2;  HU Neng-bing2;  SHAO Qing-qin2;  DU Jun-li2;  SHU Ying-jie2
1.College of Life Science, Anhui Science and Technology University,Fengyang 233100, China;
2.College of Agronomy, Anhui Science and Technology University, Fengyang 233100, China
Keywords:
Soybeans;  Drought resistance at seed germination stage;  PEG stress;  Membership function method
PACS:
-
DOI:
10.11861/j.issn.1000-9841.2015.04.0616
Abstract:
To investigate the drought resistance of soybean at seed germination period under drought stress conditions with 20% polyethylene glycol (PEG-6000), the morphological and physiological indexes related to drought resistance of 30 soybean varieties were investigated through the subordinate function method to evaluate comprehensively the drought resistance. The results showed that the water absorption, germination energy, germination rate, germination index and vigor index of soybean seeds reduced and the growth of germ and radicle were restrained under 20% PEG-6000.There were differences in germination drought resistance index(GDRI) and germination stress index(GSI) among 30 soybean varieties.Through the comprehensive evaluation membership function method, it found that germination ability of drought resistance were markedly different among 30 soybean varieties, the drought resistances of Xuyonghuangmaobaishuidou (G25), Xuyongliuyueban(G21), Wugangqingdou(G27) and Chunpingxiaoziyaoheidou(G13) were stronger, conversely, the drought resistances of Zaotabianqing (G08), Danbohei(G2) and Tongluniuchidou (G11) were worse.

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Last Update: 2015-09-01