5CHEN Yan(陈 艳)? Improving Design and Research onCotton Top-cutting Machine[D], Urmqi:Xinjiang Universi-ty(新疆大学),2010(in Chinese with English abstract).
6LIU Weizhong C 刘{韦仲),CHEN Jianping (陈剑平),GUShuangping(顾双平).Study the technology of control cot-ton later-bud by chemical de-topping [J], 江苏农业科学,1988 ( 6 ) : 21-23 (in Chi-nese).
7Cathey H M, Steffens G L, Stuart N W, et al. Chemicalpruning of plant [J]. Science, 1966 , 153 : 1382-1383.
8Sill L Z,Nelson P V. Relationship between azalea budmorphology and effectiveness of methyl decanoate, achemical pinching agent [J], J Amer Soc Hort Sci, 1970,95(3):270 -273.
9Uhring J. Histological observations on chemical pruning ofchrysanthemum with methyl decanoate [J]. J Amer SocHort Sci,1971,96(1) :58-64.