对杂交中粳80优121在8个不同播期下的生育期、产量因素、理论产量与影响产量因素总积温、光照时数的相关研究。
The relationship between the growth period, yield component of japonica hybrid rice 80 you 121 and accumulated temperature, light duration was studied.
结果表明：这一地区影响二代玉米螟分化的主要因子是幼虫期的光照周期和温度。
It was found that the major factors determining the differentiation of the Asian corn borer in the second generation were photoperiod and temperature in the larval period in that area.
连续黑暗时的发育历期比光照下的长，发育速率慢；
The growth period gets slowly and the growth speed get faster if in continues dark and high temperature.
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