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为了抑制桃幼树的旺盛生长,促进花芽分化,提高果实产量,进行了喷布多效唑试验。试材为平江县园艺示范场的砂子早生挑树品种,1989年4月定植,到1990年6月树体冠径达3.2m×2.8m,树高为3.6m。于1990年6月6日分别喷布150、300、600、1200ppm多效唑(上海联合化工厂生产的15％可湿性多效唑粉剂),以喷清水作对照,单株小区,6次重复。分别于1990年11月18日和1991年
In order to inhibit the vigorous growth of peach saplings, to promote flower bud differentiation, and to increase the fruit yield, a spray test of paclobutrazol was conducted. The test material was sand-ear pick tree species in Pingjiang Horticultural Demonstration Field, and was planted in April 1989. By June 1990, the tree crown diameter reached 3.2m × 2.8m and the tree height was 3.6m. On June 6, 1990, 150,300,600,1200 ppm paclobutrazol (15% WPM powder produced by Shanghai United Chemical Plant Co., Ltd.) were sprinkled on the 6th, June, respectively. Respectively, on November 18, 1990 and 1991