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小国光成熟前遇雨裂果是苹果生产中存在的一个突出问题。我场虽有较好水利条件,但也不能排除这一危害,裂果数量仍达百分之二十以上。过去为了减少这种损失,不得不在降雨期间冒雨抡收。抡收的结果,不仅增加了劳动强度,泥土污染和碰压烂果,而且因为果实不熟,还降低了风味和耐藏性能。为了扭转这种现象,利用“B9”喷洒树冠防止小国光裂果,取得了一定效果。
Small country before the rain ripening is a prominent problem in apple production. Although our farm has better water conservancy conditions, we can not rule out the danger. The number of cracked fruits still reaches over 20%. In the past, in order to reduce such losses, it was forced to take rain during the rainfall. The result of the harvest not only increases labor intensity, soil contamination and rotting, but also reduces flavor and storability due to unfamiliar fruit. In order to reverse this phenomenon, the use of “B9” spray canopy to prevent a small light crack, and achieved some results.