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比较两个籽粒充实率有显著差别的杂交水稻组合的光合作用及去半穗后籽粒充实率的结果表明,籽粒充实率显著偏低的组合在乳熟后期表观光合量子效率下降快,光合功能衰退得早,以致籽粒充实率偏低。
The results of comparing the photosynthesis of two hybrid rice combinations with different grain filling percentages and grain filling percentages after half-spike indicated that the combinations with significantly lower grain filling rate decreased rapidly at the late milky stage and the photosynthetic function Early recession, resulting in low rate of grain filling.