The effect of removing base spikelet on setting kernels and grain weight was slighter, kernels and grain weight per ear decreased less.
去除基部小穗对结实粒数和粒重的影响较小，穗粒数和粒重下降较少；
Potassium fertillizer increased grain number per ear, improved grain weight, improved stem pole substantial degree, strengthened the ability of resisting lodging.
钾素能增加穗粒数，提高粒重，提高茎秆充实度，增强抗倒伏能力。
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.
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。
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