改良模型中影响单株籽粒产量的各因素间，以单株面积和单株幼苗活力最为重要。
Among all the factors influencing individual plant yield, area per plant and time of emergence seem the most important.
由8个亲本组成的双列杂交试验，分析了穗长、穗粗、穗行数、百粒重、单株籽粒产量的基因效应。
The gene effects of ear length, ear thickness, kernel rows per ear, hundred-grain-weight(H. G. W. ) and grain weight per plant were analyzed in a set of diallel crosses which involved 8 parents.
不同感病程度的玉米干物质积累显著减少，中等和严重感病程度单株籽粒产量分别降低了66.8%和100%。
With different serious degree, plant dry matter weight was decreased significantly, and grain yield per plant was decreased by 66.8% and 100%.
应用双列杂交设计，研究了遗传来源不同的12个甘蓝型油菜品种间66个双列组合的单株籽粒产量及产量性状的杂种优势。
Heterosis of seed yield and its components of 66 crosses, from a diallel cross design of 12 parental varieties of Brassica napus L. were studied.
但单株籽粒蛋白质产量表现正向杂种优势，平均17.20%。
But the average heterosis of all hybrids in grain protein yield per plant was 17. 20%.
单株穗数、穗粒数和千粒重随密度增加而下降，籽粒产量与密度呈二次抛物线关系。
The number of ears per plant, the number of kernels per ear and 1000-kernel weight decreased as density increased. Grain yield and density showed a quadratic parabola relationship.
氮素籽粒产量利用率、氮素收获指数与结实率、单株籽粒重和单株有效穗数均呈极显著正相关。
NGPE and NHI were significantly positively associated with seed setting rate, grain weight per plant and effect panicle per plant.
氮素籽粒产量利用率、氮素收获指数与结实率、单株籽粒重和单株有效穗数均呈极显著正相关。
NGPE and NHI were significantly positively associated with seed setting rate, grain weight per plant and effect panicle per plant.
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