吡唑醚菌酯及三唑类杀菌剂对番茄颈腐根腐病的防治效果

曹海潮,李秀环,王晓坤,白海秀,慕卫,刘峰

Control Efficacy of Pyraclostrobin and Triazole Fungicides Against Tomato Crown and Root Rot

HaiChao CAO,XiuHuan LI,XiaoKun WANG,HaiXiu BAI,Wei MU,Feng LIU

表5 4种杀菌剂对番茄颈腐根腐病的田间防治效果

Table 5 Control efficacy of 4 fungicides against tomato crown and root rot in field

杀菌剂 Fungicide 有效剂量 Dosage (mg a.i./plant) 施药后60 d 60 DAT 施药后90 d 90 DAT 施药后150 d 150 DAT 病株率 Incidence (%) 防治效果 Control efficacy (%) 病株率 Incidence (%) 防治效果 Control efficacy (%) 病株率 Incidence (%) 防治效果 Control efficacy (%) 吡唑醚菌酯Pyraclostrobin 30 4.17±1.60bc 84.03±5.60ab 10.83±1.60cd 79.16±3.43bc 66.67±1.36b 18.11±3.54b 60 1.67±0.96c 94.10±3.42a 5.00±0.96e 90.36±2.02a 62.50±1.60bc 23.33±2.61b 戊唑醇 Tebuconazole 25 3.33±1.36bc 85.76±6.95ab 14.17±1.60bc 72.78±3.56cd 57.50±2.50c 29.21±4.91ab 50 2.50±0.83c 89.14±3.72a 8.33±0.96de 84.20±1.45ab 48.33±3.19d 40.40±5.50a 丙环唑 Propiconazole 5 7.50±0.83b 69.59±3.28b 16.67±1.36b 68.32±2.02d 66.67±3.00b 17.99±5.47b 10 4.17±0.83bc 82.19±5.22ab 9.17±1.60de 82.55±2.90ab 58.33±1.67c 28.55±1.33ab 氟硅唑 Flusilazole 5 5.83±1.60bc 76.44±6.73ab 18.33±0.96b 65.06±1.32d 66.67±3.04b 18.23±4.10b 10 4.17±2.10bc 83.93±6.83ab 14.17±1.59bc 72.69±3.80cd 64.17±2.85bc 21.32±3.60b 清水对照Control — 25.00±2.15a — 52.50±2.09a — 81.67±2.15a —