机油乳剂防治柑桔害虫的研究进展

Advances in the Use of Petroleum Spray Oils in Control of Pests in Citrus

机油乳剂对柑桔螨类、蚧类、粉虱类、蚜虫类、木虱、潜叶蛾等多种害虫具有理想的防治效果，而对天敌则较安全．旧式的、宽馏程范围的机油乳剂若使用不当易产生药害．随着配方的不断改进，机油乳剂对害虫的防治效果更好而对植物更为安全，在柑桔害虫综合防治中发挥着越来越重要的作用．中澳合作研究的结果表明，机油乳剂在中国具有广阔的应用前景．

Petroleum Spray Oils(PSOs) are effective against citrus mites, scales, white-flies, aphids,psylla and leafminer while they are safe to the natural enemies. The old, broad-range PSOs can easilycause phytotoxicity. With the development of oil formulations, PSOs have become more effective againstpests and safer to plants. They are playing an important role in the integrated management of pests in cit-rus.