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杂交稻结实率与气象条件的关系十分密切。两年来,我们通过地理分期播种和人工模拟天气的试验方法,着重研究了低温、光强和降水对结实率的影响,并对低温和降水危害的生理机制作了一些初步的观察。
The relationship between seed setting rate and weather conditions is very close. In the past two years, we investigated the effects of low temperature, light intensity and precipitation on the seed setting rate by means of sowing and artificially simulating the weather by geographical stratum. Some preliminary observations were made on the physiological mechanisms of low temperature and precipitation damage.