一、引言早已证实,乙烯利可加速宽皮桔(Citrus reticulata)褪绿。young等报道,在佛罗里达,乙烯利对加速宽皮桔、红桔和桔柚褪绿十分有效。lwahori等(1977,1979)证明,于10月底或11月初,以200ppm的乙烯利喷布宽皮桔,以300ppm的乙烯利喷布金弹(Fortunella crassiforia),可有效地促使果实着色,且不会引起过度的落叶落果,从而可保证早日采收,供应市场。 I. Introduction It has long been proven that ethephon accelerates the chlorosis of Citrus reticulata. Young et al. reported that, in Florida, ethephon is very effective in accelerating the chlorosis of broad-leaved tangerine, red tangerine and orange grapefruit. Lwahori et al. (1977, 1979) demonstrated that in the late October or early November, 200 ppm of ethephon was sprayed broad-leaved orange and 300 ppm of ethylene glycol was used to fortify the fruit and did not Will cause excessive declension, so as to ensure the early harvest, supply market.