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白菜软腐病 ( ＥｒｗｉｎｉａｃａｒｏｔｏｖｏｒａＰＶ .ｃａｒｏｔｏｖｏ ｒａ)全国各地都有发生 ,在田间随每年气候变化和栽培管理以及虫害情况而异 ,严重时白菜成片绝收。1 999年进行了 88%水合霉素ＳＰ防治白菜软腐病的田间试验 ,现将结果总结如下 :1 试验材料与方法1 .1
Cabbage soft rot disease (Erwiniacarotovora PV. Carotovo ra) occur throughout the country, with the annual climate change and cultivation and management and pest situation vary, serious cabbage into pieces. Field trials of 88% hydmatomycin SP for the control of cabbage soft rot were conducted in 1999. The results are summarized as follows: 1 Materials and Methods 1 .1