The results suggested that the way to increase yield in the area with higher production level was to improve grain number of ear and grain weight.
本研究结果表明，在较高的产量水平下，增加每穗粒数和千粒重是增产的方向。
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；
The grains and grain weight decreased and the blasted rate and yield loss rate of rice increased with the increase of disease grains each ear.
水稻稻曲病随着每穗稻曲球数增加，穗粒数、粒重及千粒重下降，秕谷率上升，产量损失率增加。
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