The interval sowing experiments showed that 291S was a photo-thermo-sensitive male sterile line, which showed part fertile under short-day and low-temperature conditions when autumn sowing, showed high sterile under long-day and high-temperature conditions when spring sowing. The self-multiplication ability and sterility of 291S can be improved through selection effectively. The pistillody of stamens of 291S could be induced under certain photoperiod and temperature condition.

分期播種試驗(yàn)表明，291S是一種光溫敏雄性不育系美美美女视频高清免费，秋播短日低溫條件下表現(xiàn)為部分可育亚洲另类精品久久久，春播長(zhǎng)日高溫條件下表現(xiàn)為高度不育，其可繁性和不育性經(jīng)選擇可以得到有效改良女人跪下吃男人J8免费视频。291S在一定的光溫條件誘導(dǎo)下會(huì)出現(xiàn)雄蕊心皮化現(xiàn)象中文字幕无码观看。