Special attention should be given to the decrease of the additive variance of yield trait, and this will most possibly make genetic background narrow.
值得注意的是，产量性状的加性方差有降低的趋势，遗传基础可能变窄。
Assist Testing Manager on yield trial location deployment and management in Shandong and Hebeiprovince, and take charge of trait investigation and data summarization.
协助产量测试经理进行山东、河北育种试验点的设置、管理、性状调查和数据汇总。
The genetic characteristics of quality trait and correlation with yield for maize inbred have been studied by using dual crosses of 8 inbreds and their corresponding 28 crosses.
采用8个典型玉米自交系及其组配的28个双列杂交组合（不含反交）为试材，对玉米自交系品质性状的遗传特性与产量的相关性进行了研究。
This experiment studied the dynamic accumulation of soybean quality trait with the high oil variety Dongnong47, the high yield variety Heinong37 and the high protein variety Dongnong42.
实验利用高油品种东农47、高产品种黑农37、高蛋白品种东农42，通过生殖生长期的动态取样研究品质性状积累规律。
Grain weight is one of the most important components of grain yield and is controlled by quantitative trait loci (QTLs) derived from natural variations in crops.
粒重是作物产量的重要构成因素之一，由来源于自然变异的数量性状基因座(QTL)控制。
Grain yield is the most complex quantitative trait of intensive invetigation but remains poorly understood genetically.
产量是最为复杂的数量性状，对它的遗传机理了解甚微。
In practical rice breeding pro-grams, multi-trait index selection for plant yield improves selection efficiency by 20.42%, compared to single-trait selection.
在水稻育种中应用选择指数方法进行综合选择比对单株产量单一性状直接选择效率高20.42%，应用前景广泛。
In addition, we correlated the concurrence of DG and yield-related quantitative trait loci, providing a potential group of heterosis-related genes.
此外，还发现这些DG往往被定位到和产量相关的数量性状座位上，这为我们提供了潜在的杂种优势基因。
In addition, we correlated the concurrence of DG and yield-related quantitative trait loci, providing a potential group of heterosis-related genes.
此外，还发现这些DG往往被定位到和产量相关的数量性状座位上，这为我们提供了潜在的杂种优势基因。
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