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离体铃喷乙烯利后覆膜暴晒增温,有较好的催热效果.第一次试验于1983年10月27日进行,用1600ppm乙烯利喷湿棉铃200个,另以不喷的100个铃为对照.11月1日调查,未喷的完全开裂11只,吐絮的8只,占处理数量100只的19%.喷药的完全开裂65只,吐絮的63只,占处理数量200只的64%.第二次试验在11月11日进行,用1600ppm乙烯利喷200只离体铃,另摘200铃不喷药作对照.11月17日调查,未喷的完全开裂15只,吐絮的105只,占处理的200只的60%.喷药的全部开裂吐絮.棉铃喷乙烯利利用薄膜增温,能使棉铃提早开裂吐絮,铃重、品级、籽指、衣指都有所提高.10月27日喷药结果,未喷的百铃重402克,籽指8.34克,
Exposed bell spray ethephon film after exposure to heat, have a better effect of the first heat test was carried out on October 27, 1983, with 20,000 ppm ethephon wet cotton boll 200, and the other not to spray 100 A bell for the control.November 1 survey, did not spray completely crack 11, boll 8, accounted for 19% of the number of treatment 100. Spraying completely crack 65, boll 63, accounting for the number 200 Only 64% of the second test carried out on November 11, with 1600ppm ethephon spray 200 isolated bell, the other 200 bell spray is not controlled as a control.November 17 investigation, did not spray completely cracked 15 , The vomit of the 105, accounting for 60% of the 200. Spraying the entire cracked flocculent. Boll spray ethephon Film warming, cotton bolls early cracked open bolls, bell weight, grade, seed fingers, fingers are By October 27. The result of spraying on October 27 was that 402 grams of unblened bell rice weighs 8.34 grams,