长效5%甲基异柳磷颗粒剂的研制及其对桑橙瘿蚊的防治效果

Development of Long-Term 5% Isofenphos-methyl and its Control Effect for Mulberry Gall-Midge(Diplosis mori Yokoyama)

为了建立桑橙瘿蚊的有效防治技术,根据桑橙瘿蚊的生物学特性,研制出有效期长、成本低、使用方便、效果好的土壤杀虫剂———长效5%甲基异柳磷颗粒剂,并提出重点防治2～5代,抑制6～7代的防治策略。在桑树夏伐后的6月下旬至7月上旬,每公顷桑园施药45kg,即可基本控制全年危害。

Based on the research results of biological character of the mulberry gall-midge(Diplosis mori Yokoyama), the long-term effective 5% isofenphos-methyl granular agent for control the pest has been developed. Meanwhile, the control strategy for preventing the pest, especially the 2nd～5th generations, and restraining the 6th～7th generations is put forward to in this paper. In the last 10 days of June to the first 10 days of July, after summer cutting, by using 3 kg of long-term 5% isofenphos-methyl into 667 m 2 mulberry field once can control this pest in a whole year.