几种棉花脱叶催熟剂在鄱阳湖棉区的应用效果初探  

Application Effect of Several Cotton Defoliation Ripeners in Poyang Lake Cotton Area

作　　者：张丽娟[1] 夏绍南[1] 崔爱花[1] 高红兵[1] 

机构地区：[1]江西省棉花研究所,江西九江332105

出　　处：《江西农业学报》2013年第5期16-18,共3页Acta Agriculturae Jiangxi

基　　金：国家现代农业棉花产业技术体系建设专项资金项目(CARS-18-36);国家科技支撑计划棉花新品种培育与扩繁课题(2011BAD35B05-2)

摘　　要：在10月中下旬对鄱阳湖棉区棉花喷施3种不同的脱叶催熟剂,研究了其应用效果。结果表明:喷施噻苯隆+乙烯利的脱叶效果最明显,且脱叶率随着噻苯隆浓度的增加而提高;单施乙烯利的脱叶效果不明显;不同处理对棉花的催熟效果均不明显,以喷施750 g/hm2噻苯隆+2250 mL/hm2乙烯利处理的相对较好;喷施脱叶催熟剂对棉花的单铃重和衣分没有明显的影响,对纤维品质的影响有待进一步研究。Three different cotton defoliation ripeners were sprayed in the mid and late October in the Poyang Lake cotton area, and their applied effects were studied. The results showed that spraying Thidiazuron plus Ethephon had the most significant defoliation effect, and the defoliation rate increased with the increase of Thidiazuron concentration. The defoliation effect of singly spraying Ethephon was not obvious. The effects of all treatments on the ripening of cotton were not obvious, but that of spraying 750 g/hm^2 Thidiazuron ＋ 2250 mL/hm^2 Ethephon was the best. The defolianrripeners had no significant influence on cotton boll weight and lint percentage, and their effects on fiber quality required further research.

关 键 词：脱叶剂 催熟剂 棉花 鄱阳湖区 应用效果 

分 类 号：S562.05[农业科学—作物学]