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介壳虫是影响桔树生长和柑桔产量及品质的主要虫害。由于介壳虫体表有介壳和蜡层,所以给化学防治造成了一定困难。过去使用石硫合剂或机油乳剂对其进行防治,效果不很理想。1997年,沅陵县军大坪乡的部分桔农开始使用扑虱灵防治介壳虫。经过2年的观察,结果表明,扑虱灵防治介壳虫防治效果达95％以上;对益虫和天敌无不良影响;每667平方米用药成本在1.5元以下。
Scale insects are major insect pests affecting the growth and quality of orange trees. As scale insects body surface shell and wax layer, so to chemical control caused some difficulties. In the past, the use of lime sulfur oil emulsion or its prevention and treatment, the effect is not very satisfactory. In 1997, part of the farmers in the Pingxiang Township, Yuanling County started to use poppy to control scale insects. After 2 years of observation, the results showed that the control effect of poppy was more than 95%, no harmful effects on beneficial insects and natural enemies, and the cost per 667 square meters was less than 1.5 yuan.