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阳新县海口公社栽培柑桔已有三百多年历史,品种以朱红桔类为主,结果树曾达四万多株,历史最高年产量达480万斤。1958年开始发生柑桔溃疡病,以后逐渐蔓延开来。鉴于阳新县将发展成为一个柑桔商品基地,计划1980年柑桔栽培面积达五万多亩,因此必须尽快采取措施控制溃疡病的蔓延危害。为了为大面积防治作出样板,1978年我们在海口公社凤凰大队二生产队的柑桔病园进行了防治试验。一、试验方法与经过选择柑桔溃疡病病情严重果园进行试验,以最近距离为5米的一条小路为分界,设
Yangxin County, Haikou commune cultivated citrus has more than three hundred years of history, varieties of Zhu Hong orange-based, the results have reached more than 40,000 trees, the highest annual output of up to 4.8 million pounds. Citrus canker began to develop in 1958, and later spread gradually. Given that Yangxin County will be developed into a citrus commodity base and plans to plant more than 50,000 acres of citrus in 1980, measures must be taken to control the spread of ulcer disease as soon as possible. In order to make a model for large-scale prevention and control, in 1978 we were in Haikou commune Phoenix Brigade two production teams of citrus orchard disease prevention and control test. First, the test method and after the choice of citrus canker disease serious orchard test, with a recent distance of 5 meters of a trail as the boundary, set