In order to screen out effective fungicides for controlling citrus canker,the control effects of 9 fungicides on Jinhong bingtang orange canker were studied.The results showed that 77%cupric calcium sulfate WP,30%copp...In order to screen out effective fungicides for controlling citrus canker,the control effects of 9 fungicides on Jinhong bingtang orange canker were studied.The results showed that 77%cupric calcium sulfate WP,30%copper oxychloride SC,46%copper hydroxide WG,30%thiodiazole-copper SC and 40%zinc thiazole SC had better comprehensive control effect on citrus canker,6%benziothiazolinone WG had an average effect,3%zhongshengmycin AS,2%kasugamycin AS and 33.5%oxine-copper SC had poor control effect.Therefore,fungicides could be used alternately or choose compounded preparation.In addition,adjuvants could be considered in use,which was an effective way to enhance efficacy,reduced dosage and delayed pesticide resistance.展开更多
文摘In order to screen out effective fungicides for controlling citrus canker,the control effects of 9 fungicides on Jinhong bingtang orange canker were studied.The results showed that 77%cupric calcium sulfate WP,30%copper oxychloride SC,46%copper hydroxide WG,30%thiodiazole-copper SC and 40%zinc thiazole SC had better comprehensive control effect on citrus canker,6%benziothiazolinone WG had an average effect,3%zhongshengmycin AS,2%kasugamycin AS and 33.5%oxine-copper SC had poor control effect.Therefore,fungicides could be used alternately or choose compounded preparation.In addition,adjuvants could be considered in use,which was an effective way to enhance efficacy,reduced dosage and delayed pesticide resistance.