论文部分内容阅读
选取了乙酰甲胺磷、甲胺磷、毒死蜱、敌百虫和硫丹进行试验。结果表明，用乙酰甲胺磷在６６７ｍ２施７５ｇａｉ，在移栽期结合移栽水使用，对地老虎的有效防治期可达２５天以上，烟蚜的有效控制期在３０天以上，１９９６年用药后７天、１５天、２２天、３０天对烟蚜防效分别为８９．２％、９３．２％、９８．３％和９７．７％；１９９７年用药后７天、１５天、２２天、３０天对烟蚜防效分别为８８．３％、９４．３％、９６．０％和９５．３％；１９９７年用药后１５天、２０天、２５天对地老虎防效分别为１００％、１００％和９３．５４％。完全可以替代生产上广泛使用的剧毒农药甲胺磷。
Selected acephate, methamidophos, chlorpyrifos, trichlorfon and endosulfan were tested. The results showed that the use of acephate at 667m2 75gai, transplanting combined with transplanting water, the effective control of Tigers up to 25 days or more, the effective control period of the tobacco aphid more than 30 days in 1996 After 7, 15, 22 and 30 days, the control efficacy against the tobacco aphids was 89.2%, 93.2%, 98.3% and 97.7% respectively; after 7 days, 15 days and 22 days Day, the control efficacy on the tobacco aphids was 88.3%, 94.3%, 96.0% and 95.3% on the 30th day respectively. The control effects on the tigers on the 15th, 20th and 25th days after the administration in 1997 were 100%, 100% and 93.54%. Can replace the widely used production of highly toxic pesticide methamidophos.