1992年9月15日。我村某桔农用40％乙烯利500倍液,0.4％尿素,0.2％磷酸二氢钾,再加0.2％洗衣粉液,对7年生宫川温州蜜柑进行全树喷布,企图促进果实提早着色成熟。可事与愿违,喷后第4天即发生大量落叶落果。脱落近一半,未落果实呈淡黄 September 15, 1992. My village Agar 40% ethephon 500 times liquid, 0.4% urea, 0.2% potassium dihydrogen phosphate, plus 0.2% detergent liquid, on the 7-year-old Miyagawa full Satsuma spray, in an attempt to promote early fruit coloring mature. Can be contrary to expectations, the fourth day after spraying that a large number of fallen leaves fall. Nearly half off, not falling fruit was pale yellow