东北地区大豆种质农艺性状的适应性与稳定性分析

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在国际市场中我国的大豆处于较为劣势的地位,因此提高和保证国内大豆的稳产和高产的重要性也日益彰显。培育高产品种并准确评价不同种质的环境稳定性和适应性,进而筛选出高产且具有稳定适应性的优质大豆种质资源,为我国高产大豆育种提供有力依据,有利于扩大大豆种植区域并提高国产大豆的自给率。高纬度地区(东北地区)是中国大豆种植的主产区,大豆生产在东北地区的农业生产中有着举足轻重的地位,但特别在东北地区大豆品种产量水平较为一般,亟待选育高产稳产的品种。本研究采用173份东北地区代表性品种和34份北美生育期组品种为试验
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