摘要
田间防治苹果丝核菌叶枯病试验表明,25%丙环唑EC 2000倍防治效果最好,25%戊唑醇EW 2000倍和80%代森锰锌WP 800倍防治效果稍次,但差异不显著。建议生产上交替使用这3种药剂,花后10 d喷雾,与波尔多液交替使用,每次喷药间隔15 d。雨后及时喷药。
Field efficacy trial against Rhigoctonia solani blight in apple orchard showed that the effect of propicondzole 25%EC 2000 times was the best followed by tebuconagole 25%EW 2000 times and mancozeb 80%WP 800 times with no significant difference.Alternate use of these 3 fungicides was recommended to prevent from resistance.Spray the fungicides with Bordeaux mixture alternately 10 days after anthesis with interval of 15 days.Spray timely after rain.
出处
《中国森林病虫》
北大核心
2017年第1期45-46,共2页
Forest Pest and Disease
关键词
苹果园
丝核菌叶枯病
田间
药效试验
apple orchard
Rhizoctonia solani blight
field
efficacy trial