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在批林批孔运动的推动下,由于各级党委重视,充分依靠群众,近两年来,我省应用白僵菌防治松毛虫工作发展较快,防治面积逐年增加,治虫效果不断提高.全省由一九七二年的二个点生产白僵菌四千多斤,发展到一九七四年有二十个县三十个国营林场生产白僵菌原粉十一万五千八百多斤(含孢量一般在150-200亿/克),防治面积达十九万八千六百多亩.几年的实践证明,应用白僵菌防治松毛虫有以下几个优点:
Under the promotion of the “Lin-bian hole movement”, due to the importance attached by party committees at all levels and full reliance on the masses, the application of Beauveria bassiana to control and prevent the pine caterpillars in our province has developed rapidly in recent two years and the control area has been increasing year by year, Production of Beauveria bassiana by two thousand kilograms from two points in 1972 has grown to 74% of the original production of Beauveria bassiana from 30 state-owned forest farms in 20 counties in 1974 Kg (spore content is generally 150-200 billion / g), prevention and control area of 189,800 acres. Practice has proved for years, the application of Beauveria bassiana control of pine caterpillars has the following advantages: