ZANG Zi-wei,ZHAO Xue,LI Hai-yan,et al.Evaluation of Drought Resistance of Soybean Germplasm in Seedling Stage[J].Soybean Science,2016,35(06):964-968.[doi:10.11861/j.issn.1000-9841.2016.06.0964]
大豆种质资源苗期抗旱性评价
- Title:
- Evaluation of Drought Resistance of Soybean Germplasm in Seedling Stage
- Keywords:
- Soybean; Variety screening; Seedling stage; Drought resistance
- 文献标志码:
- A
- 摘要:
- 利用室内盆栽干旱胁迫方法,对11份大豆材料进行抗旱性分析,测定与抗旱性相关的茎干重、根干重、主根长、总根长、根冠比、叶绿素含量、丙二醛含量、相对含水量共8项生理和形态鉴定指标,以干旱胁迫与非干旱胁迫条件下获得的生理和形态指标,来评价各指标与苗期抗旱性的关系,结合灰色关联分析对不同大豆材料抗旱性进行分析。结果表明:抗旱性较强的是东农47、L-79、黑农44、Conrad,灰色关联度ri>0.8为抗旱性较强的品种;嫩丰11、绥04.5804、石大豆1号、绥农29的关联度为0.8~0.6,为较抗旱品种;中黄10号和垦04.8579为较敏感品种,ri为0.6~0.5;方正秣食豆为敏感品种,关联度ri<0.439。
- 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).
参考文献/References:
[1]Varshney R K, Paulo M J, Grando S, et al. Genome wide association analyses for drought tolerance related traits in barley[J]. Field Crops Research, 2012,126: 171-180.
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备注/Memo
基金项目:国家自然科学基金(31671717,31201227,31301339);国家“十二五”科技支撑计划(2011BAD35B06-1);国家现代农业产业技术体系(CARS-04-PS04)。