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随着我县柑桔生产的迅速发展,柑桔红、黄蜘蛛已在我县各柑桔园不同程度地造成危害,该虫一年中发生数代,虫口密度大、为害时间长,对柑桔生长和产量影响很大。一九八五年十月我们应用百分之二十虫螨菊脂通油进行防治试验。结果表明,使用该药一千二百倍水溶液喷雾,二十四小时后检查,对柑桔红、黄蜘蛛成若螨防治效果达百分之九十五,八百
With the rapid development of citrus production in our county, citrus red and yellow spider have been harmed to varying degrees in various citrus orchards in our county. The insects occur for several generations in a year with large density of insect population and long time damage. Orange growth and yield a great influence. In October 1985, we applied twenty-six percent of acaricide chrysanthemum to control oil. The results show that the use of the drug one thousand two hundred times the aqueous solution spray, check after 24 hours, citrus red, yellow spider into a mite if the prevention and control of the effect of ninety-five percent, 800