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前几年,由于在大白菜生产过程中忽视综合防治,致使病虫猖獗发生(当然,也有自然因素的影响),造成严重危害。在一般年份大白菜因病虫危害,造成损失约20％左右,在大发生年份造成绝产失收。1986年农五师83团1连280亩大白菜,因黄地老虎危害,有170亩大白菜幼苗全被吃光。农二师29团因霜霉病危害,近1000亩大白菜绝产失收。1987年南疆阿克苏、喀什垦区不少团场因霜霉病危害,损失也相当严重。
A few years ago, the omission of comprehensive prevention and control in the production of Chinese cabbage, resulting in rampant pests (of course, there are natural factors), causing serious harm. In general years of cabbage due to pests and diseases harm, resulting in about 20% of the loss in the year of occurrence of major losses caused by abortion. 1986 Farmers Division 83 Mission 1 even 280 acres of Chinese cabbage, yellow tiger hazards, 170 acres of Chinese cabbage seedlings are eaten. 29 groups of two farmers due to downy mildew hazards, nearly 1000 acres of cabbage yield loss. 1987 Aksu South Ares, Kashgar reclamation area many clubs due to downy mildew damage, the loss is quite serious.