5种杀菌剂防治淮山炭疽病田间药效试验

Field Efficacy of Five Fungicides Against Anthracnose in Dioscorea Opposita Thunb

为筛选适宜防治淮山炭疽病的药剂,进行了5种杀菌剂防治淮山炭疽病的田间药效试验,结果表明:在本试验条件下,10%世高WDG 1 000倍液防治淮山炭疽病的效果最好,药后7 d和14 d的防效分别达到了86.86%和77.04%;80%代森锰锌WP 900倍液防治淮山炭疽病的效果较好,药后7 d和14 d的防效分别达到了79.63%和67.79%;80%代森锰锌WP和10%世高WDG可作为泉州地区生产上防治淮山炭疽病的药剂配合使用。

In order to screen the suitable agents for controlling anthracnose in Dioscorea opposita Thunb,five fungicides were used for the field efficacy trial.The results showed that 1 000-fold solution of 10%difenoconazole WDG had the best control effect on anthracnose in Dioscorea opposita Thunb.The control effect of 7 days and 14 days after treatment could reach 86.86%and 77.04%respectively.900-fold solution of 80%mancozeb WP also had better control effect.7 days and 14 days after treatment,they could reach 79.63%and 67.79%respectively.The combination of 80%mancozeb WP and 10%difenoconazole WDG could be used to control anthracnose in Dioscorea opposita Thunb in Quanzhou area.