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4 75%肟菌·戊唑醇不同用药时期对菌核病的防治效果及产量因子的影响

Table 4 Effects of control effect for S.sclerotulia and yield factors with different application periods

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 (%)
现蕾期 Bud period	75%肟菌·戊唑醇	18.78	10.71cC	28.31	24.91	16.24cC	11.06	22.40bB	0.78bB	180.93bB	1542.95	-16.37
	菌核净	22.18	12.64bB	15.39	24.65	17.86bB	2.19	24.32aA	1.65aA	170.31cC	1451.56	-21.32
	异菌氟啶胺	21.65	12.35bB	17.34	23.42	17.25bB	5.53	23.96aA	1.43aA	172.25cC	1504.04	-18.48
	CK₂	24.87	14.94aA	－	25.32	18.26aA	－	5.95cC	0.75bB	221.73aA	1844.98	－
始花期 Flowering period	75%肟菌·戊唑醇	9.36	4.62cC	86.64	15.32	13.48cC	79.78	7.09cC	0.25cC	219.97aA	1938.51	170.69
	菌核净	32.69	24.37aA	29.55	56.84	45.86bB	31.21	23.14aA	1.32aA	215.78cC	1187.38	65.80
	异菌氟啶胺	29.00	22.20bB	35.82	53.36	43.26bB	35.11	21.67aA	1.03aA	216.94bB	1126.34	57.28
	CK₃	72.04	34.59aA	－	74.21	66.67aA	－	16.20bB	0.48bB	214.68dD	716.14	－
盛花期 Full bloom	75%肟菌·戊唑醇	29.93	15.82cC	51.61	31.71	28.56cC	52.88	10.03cC	2.25bB	200.50bB	1455.49	96.10
	菌核净	36.00	31.27aA	4.34	59.65	49.23bB	18.79	14.35aA	3.34aA	210.34aA	1067.07	43.77
	异菌氟啶胺	36.33	29.83bB	8.75	58.34	47.36bB	21.87	11.26bB	3.14aA	200.76bB	1074.93	44.83
	CK₄	48.35	32.69aA	－	65.42	60.62aA	－	10.93cC	0.65cC	187.47cC	742.20	－