稳产性好的品种单茎干重大而稳定，收获指数高并有一定的稳定性。
Single stem weight and harvest index were both high and stable in the stable yield cultivars.
选育稳产性好的杂交稻组合，至少应有一个稳产性配合力高的亲本。
Breeding hybrid rice combination with high stability of grain yield needs at least one parent with higher GCA for stability.
结果表明：高稳系数法是一种简便有效评价作物品种丰产稳产性的好方法，较其他两种方法客观、可靠；
The result shows: the high and stable coefficient is a simple and effective evaluation method prior to the others;
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