叶暪对我区多种作物及果树为害严重。以往使用内吸磷、对硫磷、久效磷、异丙磷和石硫合剂等农药进行防治,但有的制剂毒性较大,对人畜不安全;有的则配制复杂,效果不佳,也有的因长期使用,暪类已产生抗性。因此,1981年我们在于田、库尔勒和乌鲁木齐县等地使用20％三氯杀螨醇乳油(河北沙城农药厂生产)进行了大田防治试验。 试验对象为玉米、茄子、菜豆、以及香 Leaves of a variety of crops and fruit trees in our district serious damage. In the past, pesticides such as phosphorus uptake, parathion, monocrotophos, isopar and limestone were used for prevention and treatment. However, some preparations are more toxic and not safe for humans and animals; others are complicated and ineffective, Due to long-term use, 暪 class has produced resistance. Therefore, in 1981, we conducted field control trials in fields of Yutian, Korla and Urumqi with 20% dicofol EC (Hebei Shacheng Pesticide Factory). The subjects were corn, eggplant, beans, and incense