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中文摘要：
为了指导不同区域之间相互引种,本文以分属MGⅠ-MGⅧ的27份北美标准品种为参照,对贵州省主栽品种以及新近选育和引进的品种（系）共23份材料进行生育期组归属研究。通过2011-2014年4年试验,确定23份材料所归属的生育期组在MGⅡ-MGⅤ,其中属MGⅡ的有黔豆4号、黔豆1号、中黄30,属MGⅢ的有黔豆3号和黔豆5号,属MGⅣ的有安豆5号、滇86-5、黔豆2号、黔豆6号、黔豆7号、黔豆8号、黔豆08002、安豆7号、油春06-8、桂春8号、徐豆9号、天隆1号、中黄50、中黄48、中黄42、中黄39、黔豆08014,属MGⅤ的有滇豆7号,大部分试验材料归属于MGⅣ,且划分界限清晰。MGⅡ、MGⅢ界限不明显,归属此2组的材料为模糊分类。本研究结果将为我国大豆生育期组划分的科学化以及不同区域间引种提供依据。
英文摘要：
Maturity group（ MG） is a widely- used system for soybean varieties classification in the world. For better guide the varieties introduction in different regions,we categorized MG of 23 varieties or lines collected majorly from the popular cultivars,newly bred varieties（ lines） of Guizhou Province,and the introduced varieties or lines as well as 27 MGⅠ- MGⅧ standard varieties introduced from the North America. The MG of 23 varieties or lines ranged from MGⅡto MG Ⅴ according to the tested results in 2011 to 2014. Four- year results showed that Qiandou 4,Qiandou 1,and Zhonghuang 30 belonged to MGⅡ; Qiandou 3 and Qiandou 5 belonged to MGⅢ; Andou 5,Dian 86- 5,Qiandou 2,Qiandou 6,Qiandou 7,Qiandou 8,Qiandou 08002,Andou 7,Youchun 06- 8,Guichun 8,Xudou 9,Tianlong 1,Zhonghuang 50,Zhonghuang 48,Zhonghuang 42,Zhonghuang 39 and Qiandou08014 belonged to MGⅣ; Diandou 7 belonged to MGⅤ. Most of the tested materials belonged to MG Ⅳ,and the classification criterion was clear. Varieties belonged to MGⅡ and MGⅢ were indistinct classification because that the borders of MGⅡand MGⅢ was not specific. The results of this experiment could provide a reference for the scientific classification of soybean maturity group in China and provide a basic understanding for varieties introduction in different regions.
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