]*>","")" /> Preliminary Report of Affect on Chemical Acceleration of Ripening and Its Effect on Cotton Quality
Xinjiang Agricultural Sciences

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Preliminary Report of Affect on Chemical Acceleration of Ripening and Its Effect on Cotton Quality

  • Received:2003-02-25 Revised:2003-02-25 Online:2003-02-25 Published:2003-02-25

棉花化学脱叶催熟效果及其对棉子质量影响初报

许建;丁志毅;许蓉;许莉   

  1. 新疆维吾尔自治区种子站,新疆乌鲁木齐,830000;新疆沙湾县良种场;新疆沙湾县三农新技术服务部;新疆沙湾县农技中心





摘要： 在棉花上采用化学脱叶催熟以克芜踪+乙烯利、脱落宝+乙烯利、早熟丰效果较好.试验表明,脱叶率与施药时的气温成正相关.化学脱叶催熟影响棉子质量主要在施药期和铃期.施药早较施药晚的饱满籽率低10～11个百分点,子指低0.6～1 g,秋桃的影响大于伏桃.北疆棉区化学脱叶催熟适宜时期,非种子田9月20日以后,种子田在9月底,秋桃不宜留种.