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3 不同75%肟菌·戊唑醇用量对菌核病的防治效果及产量因子的影响

Table 3 Effects of different dosages of 75% trifloxystrobin·tebuconazole on the control effect of S.sclerotulia and yield factors

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 (%)
处理 Treatment	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 (%)	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 (%)
T1	24.28	14.73dD	74.56	23.04	20.59dD	69.12	8.88gG	0.26gG	246.03aA	1988.13	184.57
T2	18.68	9.94eE	82.38	18.64	16.53eE	75.21	19.27aA	0.55eE	176.47eE	1499.76	114.67
T3	13.59	9.10fF	85.24	18.79	15.15fF	77.27	9.16fF	1.33cC	213.93cC	1848.55	164.59
T4	11.04	4.29gG	92.78	13.33	10.76gG	83.86	5.14hH	0.48fF	224.10bB	2037.76	191.67
T5	11.04	5.64hH	90.84	15.00	12.08hH	81.88	12.73bB	0.58dD	173.63fF	1555.09	122.58
40%菌核净 40% dimetachlone	53.19	41.67bB	31.84	67.21	59.99bB	10.02	11.07dD	1.54aA	150.98gG	1389.80	98.93
45%异菌氟啶胺 45% iprodione fluridamine	49.48	33.82cC	44.68	62.60	55.94cC	16.09	10.28eE	1.46bB	136.92hH	1471.20	110.58
CK₁	72.04	61.14aA	－	74.21	66.67aA	－	12.11cC	0.48fF	209.39dD	698.65	－