魔芋白绢病症状特点及药剂防治筛选  

Symptom and Chemical Control of Southern Blight of Amorphophallus rivieri Durien

作　　者：严凯[1] 黄荣茂[2] 张海鸥[1] 

机构地区：[1]六盘水师范学院乌蒙山区发展研究院,贵州六盘水553001 [2]贵州大学精细化工研究开发中心教育部绿色农药与农业生物工程重点实验室

出　　处：《农业研究与应用》2015年第2期71-73,共3页Agricultural Research and Application

摘　　要：经调查鉴定魔芋白绢病由半知菌亚门齐整小核菌(Sclerotium rolfsii Sacc.)引起;对从染病魔芋植株上分离纯化的病原真菌进行室内毒力测定筛选,试验表明,药剂浓度大于500 mg/L时,3%广枯灵AS和70%甲基硫菌灵WP的抑菌率均较高,均达到96%以上,建议作为魔芋白绢病的防治药剂。According to t Blight of A morphophallus riv which was separated and puri The results mg/L with should be r ieri. he investigation and identification, it was found that the Southern ieri was caused by Sclerotium rolfsii Sacc. The pathogenic fungi fled from the infected plant was tested and screened in laboratory. indicated that 3 % hymexazol-metalaxyl AS and 70 % thiophanate-methyl WP at 500 inhibition rate above 96 % showed good inhibitory effect on mycelial growth, so it ecommended as the control chemical for the Southern Blight ofA morphophallus rivieri.

关 键 词：魔芋 白绢病 药剂防治 

分 类 号：S436.32[农业科学—农业昆虫与害虫防治]