几种杀菌剂对荞麦茎溃疡病菌的生物活性和田间防治效果

郭婷, 刘雨薇, 吴进蓉, 班瑞娟, 岳文冉, 李哲, 王莉花, 张笑宇

Biological Activity and Field Control Effects of Several Fungicides against Buckwheat Stem Canker by Rhizoctonia spp.

Guo Ting, Liu Yuwei, Wu Jinrong, Ban Ruijuan, Yue Wenran, Li Zhe, Wang Lihua, Zhang Xiaoyu

表5 6种杀菌剂的经济效益分析

Table 5 Economic benefit analysis of six fungicides

药剂 Fungicide	用药量 Dosage (/hm²)	增产量 Increase production (kg/hm²)	增收（元/hm²） Increase income (yuan/hm²)	药剂费用（元/hm²） Cost of fungicide (yuan/hm²)	净收益（元/hm²） Net income (yuan/hm²)
250 g/L嘧菌酯SC Azoxystrobin 250 g/L EC	675.000 mL	319.80	1790.85	675.00	1115.85
250 g/L嘧菌酯SC Azoxystrobin 250 g/L EC	765.000 mL	355.50	1990.80	765.00	1225.80
	855.000 mL	365.25	1990.65	855.00	1135.65
40%氟硅唑EC Flusilazole 40% EC	150.000 mL	217.50	687.30	165.00	522.30
	187.500 mL	678.00	2142.45	206.30	1936.20
	225.000 mL	376.50	1189.80	247.50	942.30
	375.000 mL	240.45	1346.55	412.50	934.05
250 g/L吡唑·醚菌酯EC Pyraclostrobin 250 g/L EC	570.000 mL	350.40	1953.90	684.00	1269.90
250 g/L吡唑·醚菌酯EC Pyraclostrobin 250 g/L EC	750.000 mL	532.50	1682.70	900.00	782.70
40%福美·拌种灵WP Thiram·Seedvax 40% WP	0.150 g	138.00	436.05	0.03	436.05
40%福美·拌种灵WP Thiram·Seedvax 40% WP	0.450 g	57.00	180.15	0.02	180.00
	2.850 g	364.50	1151.85	0.51	1151.40
25 g/L咯菌腈FS Fludioxonil 25 g/L FS	90.000 mL	112.20	354.60	38.70	315.90
50%氟啶胺SC Fluazinam 50% SC	375.000 mL	121.95	682.95	375.00	307.95
	480.000 mL	194.55	1089.30	480.00	669.45