作物育种学 是指某一亲本品种和其他若干品种杂交后,杂交后代在某个数量性状上表现的平均值。
Crop breeding2012year 一、亲本配合力的测定1、一般配合力(general combining ability GCA):指一个被测系与一个遗传基础复杂的群体品 种或许多其它自交系杂交后,F1产量和其它数量 性状的平均表现能力。
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一般配合力相对效应值 RGCA
亲本叶瘟抗性与其一般配合力效应呈显著或极显著正相关;
The resistance of each parent was significantly or extremely significantly positive related to its general combining ability (GCA).
在此基础上进行了一般配合力、特殊配合力、总配合力的分析。
Further analysis have been done (about) general combining ability, special combining ability, total combining ability on the basis of above.
各品质性状的一般配合力效应、特殊配合力效应及其变异幅度均存在较大差异。
The difference of general combining ability effect among parents and special combining ability effect among combination and its variation range was high.
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