包虫清对水稻前期害虫的控制效果及安全性

Control effects of baochongqing on the pests of rice seeding and its safety for the crop

研究包虫清(有效成分:氟虫腈、杀虫单)种衣剂不同包衣方式处理水稻种子对水稻生长前期主要害虫的控制效果。结果表明,不同处理对稻蓟马、稻飞虱防治效果达90%以上,持效期达30d以上。其中包衣旱育处理对三化螟、二化螟控制效果达85%以上。包虫清种衣剂对水稻种子、植株和稻田的主要蜘蛛较安全。

Different methods of seed coating were tested for baochongqing to see its effect on major pests of rice seeding. Results showed that the different treatments led to a good control (90% or more) against Thrips oryzae and Nilaparvate lugens for more than 30 d. Control efficacy against Chilo suppressali and Tryporyza incertulas was 85% or more. The experiments showed that baochongqing was safe for rice seeding and also it did not harm predatory spider in the field.