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四川是我国柑桔主产省之一,现有175个县市种植柑桔。1956年前后,由于省内调运苗木影响,发生吹绵蚧的县市由原来的16个扩展到100个以上,每年受害面积达10万亩以上,有的导致柑桔严重减产,甚至无收或毁园。1960年5月,四川省农科院植保所陈方洁教授(已故)从广州引入澳洲瓢虫500头来重庆后,作者便着手进行观察和研究。现将25年来四川利用澳洲瓢虫控制吹绵蚧的情况简介于后。
Sichuan is one of the major citrus producing provinces in China with citrus growing in 175 counties and cities. Around 1956, due to the influence of the transplanted seedlings in the province, the counties where the cotton moss was blowing expanded from 16 to over 100, and the affected area was over 100,000 mu each year. Some of them caused serious cuts of citrus or even no crop or Destroy the park. In May 1960, Professor Chen Fangjie (late) from Plant Protection Institute of Sichuan Academy of Agricultural Sciences introduced the 500 ladybugs from Australia to Chongqing. The author then proceeded to observe and study. Now the past 25 years, Sichuan ladybugs to control the use of the United States blowing cottonseed case profile in the post.