两群体各主要经济性状有向选择目标集中、变异度下降的趋势。
All the main economic characters of the populations showed the trend of the selective targets with decay of variability.
进一步的方差组分估计表明，主要经济性状的加性遗传方差较大。
The variance component analysis revealed that the ratios of additive genetic variance to phenotypic variance of the majority of economic traits were high.
介绍了甘薯早熟食用新品种“渝苏76”的生产力和主要经济性状的鉴定结果。
The result of indertifying the productivity and essential economical characters of a premature edible newly-evolved sweetpotato name "Yusu 76" are introduced.
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