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浙江省金华县自1992年引进布朗李后,迄今已有20多个品种,因其色彩艳丽、风味香甜、耐贮运等特点深受广大果农的青睐。然而由于果农的粗放管理,使细菌性穿孔病逐年加重。笔者从1999～2000年在金华县雅畈镇华南果树试验场进行综合防治试验,取得了良好的效果,现总结经验如下: 1.发病症状 细菌性穿孔病主要危害叶片、枝梢、果实。叶片患病初期出现水渍状圆形小斑,然后扩大成圆形或不规则紧褐色至暗褐色斑,最后病部干枯脱落成穿孔,小
Jinhua County, Zhejiang Province since 1992, the introduction of Brown Lee, so far has more than 20 varieties, because of its colorful, sweet flavor, storage and transportation characteristics of the majority of farmers by the favor. However, due to the extensive management of fruit growers, bacterial perforation disease increases year by year. The author from 1999 to 2000 in Jinhua County, Yalong Town, South China fruit tree test site for comprehensive prevention and control tests and achieved good results, are summarized as follows: 1. Morphological characteristics of bacterial perforation damage the main leaves, shoots, fruits. At the early stage of the disease, there is a small roundish spot of water stain, and then expand into a round or irregular tight brown to dark brown spot. Finally, the diseased part dries into a perforation, small