田间试验结果表明,苯甲·嘧菌酯325 g·L-1悬浮剂对西瓜炭疽病有较好的防治效果,其药效随用药量加大而显著上升,其中第1次药后10 d和第2次药后14 d每667 m2苯甲·嘧菌酯325 g·L-1悬浮剂40 g的防效分别达73.27%和78.22%,与对照药剂苯醚甲环唑10%水分散粒剂60 g和嘧菌酯250 g·L-1悬浮剂50 g相当,安全性好。 Field trials showed that the azoxystrobin 325 g · L-1 SC had better preventive and therapeutic effects on watermelon anthracnose, and its efficacy increased significantly with the increase of dosage. The first 10 d And 14 d after the second dose of 667 m2 of azithromycin 325 g · L-1 suspension 40 g control effect was 73.27% and 78.22%, respectively, and the control agent difenoconazole 10% water dispersion Granules 60 g and azoxystrobin 250 g · L-1 SC 50 g equivalent, good safety.