又称达尔文适应值或适合度·某一基因型个体与其他基因型个体相比时能够存活并留下后代的能力·一般用W或w表示·是对自然选择进行定量研究的重要参数·通常将适应值的最高值定为1。
因此在深入了解种质资源结构基础上的基因型选择是发掘木薯遗传潜力，适应多种生产需要的研究方向。
However, developing genotype selection pathways by explore germplasm structure to enhance genetic potential for multiple demand to cassava will be focus for research.
菜豆根形态特性对低磷有效性的适应性反应具有显著的基因型差异。
However, genotypic variation in root morphological characteristics of common bean Phaseolus vulgaris l.
不同基因型在两种热带土壤上的相时表现一致，说明菜豆对低有效磷的适应不存在着土壤特异性。
The relative performance of different genotypes are similar on the two tropical soils, implying that there was no obvious soil specificity for beans in response to low phosphorus availability.
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