多菌灵·氟硅唑防治贡柑炭疽病田间药效试验

Efficacy Test of Carbendazim+Flusilazole against Gonggan anthracnose

为评价复配药剂37%多菌灵·氟硅唑可湿性粉剂防治贡柑炭疽病的效果及其对贡柑的安全性,连续两年进行了37%多菌灵·氟硅唑可湿性粉剂防治贡柑炭疽病的田间药效试验。试验结果表明,37%多菌灵·氟硅唑可湿性粉剂有效成分用量148、185和246.7 mg/L对贡柑炭疽病有较好的防治效果,施药3次后10 d调查,2014年的防治效果分别为71.90%、79.48%和90.16%,2015年分别为65.09%、76.18%和87.36%,该药剂值得在生产上推广应用。

To study the control effect of the compound fungicide 37% carbendazim＋flusilazole WP against anthracnose of Gonggan（Citrus nobilis Lour. Gonggan） and its safety on Gonggan, providing the basis for popularization and application of carbendazim＋flusilazole, the efficacy test of carbendazim＋flusilazole against Gonggan anthracnose were conducted for two years. The results showed that the carbendazim＋flusilazole had a better controlling effect on Gonggan anthracnose when sprayed at the active ingredient rate of 148, 185 or 246.7 mg/L. After 3 times of spraying in 10 d, this fungicide showed a the control efficacy of 71.90%, 79.48% and 90.16% in 2014 at the aforesaid rates, respectively, 71.90%,79.48% and 90.16% in 2015, separately. It was worthy to be popularized in Gonggan producing areas.