不同药剂对魔芋软腐病田间防治效果评价

Effects of Some Pesticides for Control of Konjac Soft Rot on Cauliflower

镇巴县魔芋种植面积已达6 000hm2,但魔芋软腐病在镇巴县连年发生严重,为探索魔芋软腐病田间药剂防治技术,我们组织了防治魔芋软腐病田间防治效果比较试验。结果表明,噻菌铜20%悬浮剂,叶枯唑20%可湿性粉剂,氢氧化铜77%可湿性粉剂防治效果最好,在生产应用中可以交替使用,以延缓抗药性的产生。

At present, my county konjac planting area has reached 6 000 hm^2, but in our county, in successive years of konjac soft rot disease occurs seriously, in order to explore the chemical control techniques of konjac soft rot in field, we organized control of konjac soft rot field control effect test. The results show that, the best control effect are thiediazole copper 20% SC, bismerthiazol 20% WP, copper hydroxide 77%WP, and can be applied in the production of alternating use, to delay the emergence of resistance.