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1981年我县墨冲大队果树场的温州蜜柑,因前期长时间干旱,果实没有得到充分发育,后期雨水多,果实普遍返青、贪绿。9月下旬到10月份的气温与80年同期偏低1～2℃。果实成熟期推迟,不仅影响及时采摘,增加护果任务,而且延误采果后的果园管理。为促进柑桔果实成熟,提早采收,我们试用乙烯利喷射3株柑桔果实,效果明显,后来又在294株柑桔树上使用,取得初步效果。现将试验总结如下。
In 1981, our county Satsuma mandarin brigade fruit tree field Satsuma, due to a long period of drought, the fruit has not been fully developed, the late rain, the fruit generally green, greed green. The temperature in late September to October is 1 ~ 2 ℃ lower than the same period in 80 years. Postponing the maturity of fruit will not only affect the timely picking, increase the task of protecting fruit, but also delay the orchard management after picking fruit. In order to promote the ripening of citrus fruits and early harvest, we tried ethephon spray three citrus fruits with obvious effect, and then used it on 294 citrus trees to obtain preliminary results. The test is summarized as follows.