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%.
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