甘肃白银温室白粉虱的防治

• 作 者: 张莲梅
• 机 构: 甘肃省白银区农技中心
• 出 处: 植物医生
• 发表日期: 1999年06期
• 关键词: 温室白粉虱 虫源基数 虫口密度 日光温室 危害范围 大发生 扑虱灵 发生数量 作物种类 氧化乐果乳油

１９９２年秋季我地兴起了日光温室建造热,温室白粉虱的虫口密度直线上升,危害范围扩大,受害作物种类和面积迅速增加,１９９４～１９９７年温室白粉虱连续四年大发生,现就生产实践中的防治经验,提供各地参考。１．把好白粉虱进、出温室关,减少虫源基数。首先,在育苗或定植...

In the autumn of 1992, the construction heat of solar greenhouse was raised in our country. The population density of whiteflies in greenhouses increased linearly. The damage scope expanded. The types and area of ​​crops affected increased rapidly. The whitefly occurred in greenhouse for four years from 1994 to 1997. In the prevention and treatment experience, provide reference throughout. 1. Put good whitefly into and out of the greenhouse, reducing the number of insect sources. First of all, in nursery or planting ...