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在不同温度条件下采用不同日长 (9.5～ 12 .5h d)光照处理 ,分析供试苎麻雄性不育系的发育对温度和日照长度的反应。不同供试材料在特定条件下的营养生长进度较为一致 ,而生殖生长进度差异较大 ;高温主要促进营养生长阶段的发育 ,而短日照主要促进生殖生长阶段的发育 ;短日高温条件明显加速苎麻不育系的发育速度。但高温的促进作用随日照长度增加而减弱 ,以至消失
Under different temperature conditions, different daylength (9.5 ~ 12.5h) light treatment was used to analyze the response of the tested male sterile line to temperature and sunshine length. The growth of vegetative growth of different tested materials is more consistent under certain conditions, while the progress of reproductive growth is quite different. High temperature mainly promotes the development of vegetative growth stage, while short day mainly promotes the development of reproductive growth stage. Short day and high temperature conditions obviously accelerate ramie The development of sterile lines. However, the promotion effect of high temperature weakened with the increase of sunshine duration, and even disappeared