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1995～1997年在山西省临汾市就光照强度在小麦灌浆期对小麦不同品种结实率、千粒重的影响进行了研究。结果表明，在灌浆期光照强度减少1／2时，小麦的结实率、千粒重普遍下降，结实率平均减少19．3％，千粒重损失27．3％，不同品种间差异较大。
1995-1997 in Linfen City, Shanxi Province, the intensity of light intensity in the wheat filling stage of different varieties of wheat seed setting rate, 1000-grain weight were studied. The results showed that in the grain filling stage, the seed setting rate and 1000-grain weight of wheat decreased generally when the light intensity was reduced by 1/2. The average seed setting rate decreased by 19.3% and the grain weight loss by 27.3%.