大豆杂交后代种值密度对选择效果的影响

Effect of Planting Density on Selection Effectiveness of Soybean Cross Progenies

摘要:

以两亲生育期及结荚习性差异不大的两个大豆杂交组合为材料比较了同等后代群体分别在稀植(15 cm株距)和密植(7.5 cm株距)条件下的选择效果。结果表明,在稀植条件下对产量的选择较为有利。

Abstract:

Two soybean crosses, whose parents are with similar growing period andpodded habit, were used to compare selection effectiveness of the same progeny populationsfrom each cross under the conditions of thin planting (15 cm spacing inter-plant) and denseplanting (7.5 cm spacing inter-plant). Experimental results showed that better selectioneffectiveness of seed yield was obtained under the condition of thin planting.