小麦混系群体和纯系群体产量比较试验

选用9个小麦新品系组成不同的混系群体,比较了混系群体与纯系群体的产量表现。结果表明,小麦混系群体与纯系群体相比在产量方面并没有绝对优势,但在一定条件下也可能出现产量超过相关纯系最高产量的组合类型;混系群体的产量表现与组成该群体的纯系的平均产量具有一定的正相关性,纯系的产量水平可以作为小麦混系品种组配的产量依据。

Comparative Experiment on Wheat Weights of Composite Line Population and Pure Line Population

This experiment uses 9 new wheat lines to form different composite populations and compares the yield of the composite with that of the pure population. The results show that the composite population has no definite advantages over the pure population, yet on certain conditions the composite population may produce some combination of the highest yield over the related pure population. Yield Performance of the wheat composite population is positively related, to some degree, to the average yield of the composing pure line varieties, and the yield of the pure line could be used as the grounds to combine composite wheat varieties.