测交是一种特殊形式的杂交,是杂交子一代个体(F1)再与其隐性或双隐性亲本的交配,是用以测验子一代个体基因型的一种回交。但有时候即使已知某个个体是杂合子,该杂合子与隐性纯合子的交配也叫测交。遗传学上常用此法测定个体的基因类型。
During screening the test cross variety ,grain weight of selected plant is the firstable factor which must be considered, then average grain weight of total plant and other traits.
2、测交组合产量选择应该以中选单株实粒重为主,兼顾总平均单株重和其他性状。
参考来源 - 杂交稻恢复系选育的组合判别法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
测交组合在河南夏玉米区表现一般。
对南方砂梨12个品种不同的授粉组合进行测交。
The pollination combinations of 12 sand-pear cultivars of southern China were tested for pollination efficiency in this experiment.
改良群体产量与相应测交产量平均值之间呈正相关。
There existed a positive correlation between the yield of population and the average yield of test cross.
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