2.5%咯菌腈悬浮种衣剂防治西兰花根腐病药效研究  

Study on Effecte of Fludioxonil 25 g/ml FS Against Broccoli Root Rot

作　　者：余山红[1] 王会福[1] 

机构地区：[1]浙江省台州市农业科学研究院,浙江临海317000

出　　处：《农业灾害研究》2014年第2期12-13,58,共3页Journal of Agricultural Catastrophology

基　　金：浙江省台州市科技计划农业重点项目(121KY17)

摘　　要：[目的]预防西兰花根腐病等土传病害的发生,提高种植经济效益。[方法]进行2.5%咯菌腈悬浮种衣剂不同梯度防治西兰花根腐病药效试验,以25 g/L咯菌腈悬浮种衣剂作为对照。[结果]2.5%咯菌腈悬浮种衣剂拌种对西兰花根腐病有一定的防治效果,其药效随用药剂量的加大而上升,其中2.5%咯菌腈悬浮种衣剂1 750 mg/kg的防效达60.40%,与对照药剂25 g/L咯菌腈FS 3 750 mg/kg的防效相当,且对西兰花出苗、植株长势等无明显不良影响,安全性较好。[结论]该种衣剂可以在生产上加以推广应用。[Objectve]The aim was to pre- vent broccoli root rot disease and im- prove economic effectiveness. [Method] Disease controlling test was carried out by different concentration of 2.5% flu- dioxonil FS. [Result] Field efficacy trials indicated that 2.5% fludioxonil FS had good effect on controlling broccoli root rot. Disease preventing efficiency growed with dose increase, with efficiencies up to 60.40%（ 1 750 mg/kg）, which had no significant differences with CK （fludioxonil 25 g/L FS, 3 750 mg/kg）. In addition, 2.5% fludioxonil FS showed excel- lent safety to seedings. [Conclusion]A regional application could be developed.

关 键 词：西兰花根腐病 2 5%咯菌腈悬浮种衣剂 防治效果 安全性 

分 类 号：S436[农业科学—农业昆虫与害虫防治]