75%肟菌·戊唑醇对向日葵菌核病防治效果的研究

李虎, 常海城, 陈柳, 李鹤鹏, 郑立秋, 关晶, 李海燕, 孟庆林

Study on the Control Effects of 75% Trifloxystrobin·Tebuconazole on the Sunflower Sclerotiniose

Li Hu, Chang Haicheng, Chen Liu, Li Hepeng, Zheng Liqiu, Guan Jing, Li Haiyan, Meng Qinglin

表5 不同用药次数对菌核病的防治效果及产量因子的影响

Table 5 Effects of control effect for S.sclerotulia and yield factors with different application times

处理 Treatment 第1次调查 The first investigation 第2次调查 The second investigation 空壳率 Empty- nut ratio (%) 病虫率 Disease and pest ratio (%) 实测 单盘重 Actual single disc weight (g) 产量 Yield (kg/hm2) 增产 Yield increase (%) 发病率 Morbidity (%) 病情指数 Disease index 防治效果 Control effect (%) 发病率 Morbidity (%) 病情指数 Disease index 防治效果 Control effect (%) 始花期 Flowering period 75%肟菌·戊唑醇 31.05 24.28fF 61.29 44.79 39.76eE 40.36 5.60kJ 0.87kK 236.90aA 1446.56 107.05 菌核净 46.89 34.37bB 43.78 64.28 54.27bB 18.60 9.12gG 2.92cC 225.87cC 1187.38 69.95 异菌氟啶胺 45.24 33.98cC 44.42 59.85 50.46cC 24.31 8.67hHG 1.87fF 228.16bB 1126.34 61.22 始花+盛花期 Flowering period+ full bloom 75%肟菌·戊唑醇 27.81 14.73kK 75.91 42.74 27.55hH 58.68 18.75bB 2.75dD 207.30iJ 1526.53 118.50 菌核净 39.46 29.56dD 51.65 59.87 44.36dD 33.46 16.67cC 3.67aA 217.21eE 1227.01 75.63 异菌氟啶胺 36.13 26.84eE 56.10 51.23 39.28eE 41.08 20.12aA 3.14bB 208.23iH 1344.82 92.49 现蕾+始花+盛花 Bud period+flowering period+full bloom 75%肟菌·戊唑醇 13.83 9.67lL 84.18 19.46 16.95kK 74.57 8.22iH 1.41hH 189.13mL 1599.00 128.87 菌核净 34.67 22.46gG 63.26 40.67 30.23fF 54.66 10.17eE 2.18eE 206.12jK 1384.45 98.16 异菌氟啶胺 32.87 21.47hH 64.88 38.34 28.91gG 56.64 9.85fF 1.54gG 198.63kL 1398.01 100.10 现蕾+始花+盛 花+开花末期 Bud period+flowering period+full bloom+ end flowering period 75%肟菌·戊唑醇 17.91 9.11lL 85.01 19.55 16.42kK 75.37 4.62mK 1.06jJ 222.17dD 1890.67 170.62 菌核净 27.92 17.56iI 71.27 38.14 26.18iI 60.73 6.13jI 2.16eE 212.37fF 1436.21 105.57 异菌氟啶胺 25.96 16.82jJ 72.49 35.22 22.54jJ 66.19 5.25lJ 1.23iI 209.89gG 1467.98 110.12 CK5 72.04 61.14aA － 74.21 66.67aA － 12.11dD 0.48blL 209.39hG 698.65 －