摘要
为筛选出防治烟草黑胫病菌效果较好的药剂,采用生长速率法对8种药剂进行了室内毒力测定。结果表明:化学药剂58%甲霜·锰锌(WP)、72%烯酰·丙森锌(WP)、80%代森锰锌(WP)和生物农药1%申嗪霉素(SC)对烟草黑胫病菌菌丝生长有较好的抑制效果。其中以1%申嗪霉素(SC)效果最好,其EC50为0.5276μg/m L;58%甲霜·锰锌(WP)、80%代森锰锌(WP)和72%烯酰·丙森锌(WP)效果次之,EC50分别为2.6328μg/m L、3.0775μg/m L和5.8530μg/m L,除50%氯溴异氰尿酸(SP)外,其余7种药剂均随使用剂量的增大抑制效果增强。
In order to screen out effective fungicides to control tobacco black shank pathogen, eight fungicideswere tested by plate growth rate method. The results showed that the chemicalsof 58% ridomil-MZ （WP） , 72% acryloxyethyl-zinc, 80% mancozeb （WP） and the biological pesticideof 1% phenazine-1-carboxylie （SC） had better inhibitory effectonto- bacco black shank pathogen. The 1% phenazine-1-carboxylic （SC） had the best inhibitory effect and itsEC50 was 0.5276 μg/mL, followed by 58% ridomil-MZ, 80% mancozeb （WP） and 72% acryloxyethyl-zinc （WP） with theEC50 of 2. 6328 μg/mL, 3.0775 μg/mL and 5.8530 μg/mL, respectively. For these seven fungicides, the inhibitory effect increases withtheincreasingofthe usinz dosage, excentfor 50% chlorobromoiso cvanurate acid （SP）.
作者
高亚星
彭丽娟
蒋选利
GAO Ya-xing PENG Li-juan JIANG Xuan-li(College of Agriculture, Guiyang, Guizhou 550025, China College of Tobacco, Guizhou University, Guiyang, Guizhou 550025, China Guizhou Key Laboratory for Tobacco Quality , Guizhou University Guiyang , Guizhou 550025, China)
出处
《山地农业生物学报》
2016年第6期31-34,39,共5页
Journal of Mountain Agriculture and Biology
基金
合肥市烟草科技项目"抗菌肽对烤烟青枯病的防治技术研究"[201405]
关键词
烟草黑胫病
1%申嗪霉素
EC50
Tobacco Black Shank
1% phenazine- 1 -carboxylic （SC）
EC50
