粒叶比是衡量单位叶面积光合生产力的综合性状。
The grain-leaf ratio is a comprehensive trait estimating photosynthetic productivity of per unit leaf area.
其次， 重点介绍了单位点关联分析、多位点关联分析、上位性和多性状关联分析方法及其软件包；
Then, the main approaches and their softwares for GWAS in plants were reviewed, including a single-locus model, a multi-locus model, epistasis, and multiple correlated traits.
纤维强度是由单位纤维干重、纤维素含量、胞壁厚度、成熟度及胞壁结构密度等亚性状决定的。
Fiber strength depended on the dry weight per fiber length, content of cellulose, thickness of cell wall, maturity, density of cell wall and other sub-factors.
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