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当前位置: 首页 > 文章 > 云南省德宏州烟草黑胫病菌对烯酰吗啉的敏感性 生物灾害科学 2017,40 (1) 8-13
Position: Home > Articles > Sensitivity of Phytophthora deliciosa to Deacylmorpholine in Dehong Prefecture,Yunnan Province Biological Disaster Science 2017,40 (1) 8-13

云南省德宏州烟草黑胫病菌对烯酰吗啉的敏感性

作  者：
贺晓辉;肖志新;宋玉川;胡志明;王杰;李义强;王凤龙
单  位：
云南省香料烟有限责任公司;云南省烟草公司保山市公司;中国农业科学院
关键词：
烟草黑胫病菌;烯酰吗啉;抗药性水平
摘  要：
为明确新开发烟叶生产区云南省德宏州烟草黑胫病菌对烯酰吗啉的敏感性现状,从德宏州13个县市采集68株烟草黑胫病菌株,采用菌丝生长速率法测定了烟草黑胫病菌株对烯酰吗啉的敏感性和抗药水平。结果表明,烯酰吗啉抑制烟草黑胫病菌菌丝生长的EC_(50)范围为0.462 8~2.575 2μg/m L,平均EC_(50)为1.388 1μg/m L,属于中抗水平。统计分析表明,烟草黑胫病菌68个菌株菌丝生长对烯酰吗啉的敏感性符合正态分布,最不敏感菌株的EC_(50)值为最敏感菌株的5.56倍。烯酰吗啉对德宏州烟草黑胫病仍有较高活性,但应与其他杀菌剂进行合理的轮换使用。
译  名：
Sensitivity of Phytophthora deliciosa to Deacylmorpholine in Dehong Prefecture,Yunnan Province
作  者：
HE Xiao-hui;XIAO Zhi-xin;SONG Yu-chuan;Hu Zhi-ming;WANG Jie;LI Yi-qiang;WANG Feng-long;Yunnan Fragrance Tobacco Co.,Ltd.;Baoshan Tobacco Co.,Yunnan Province;Tobacco Research Institute,Chinese Academy of Agricultural Sciences;
关键词：
tobacco black shank pathogen;;enolomorphine;;drug resistance level
摘  要：
In order to clarify status quo of the sensitivity of tobacco black shank fungi to enoylmorpholine in the newly developed tobacco production area in Dehong Prefecture,Yunnan Province,the susceptibility was studied.68 strains of tobacco black shank were collected from 13 counties and cities of Dehong.The sensitivity and resistance level of the tobacco black shank strains to the alkenoylmorpholine were determined by the rate method.The results showed that the EC_(50) of mycelia growth was 0.462 8~2.575 2 μg/m L,and the average EC_(50) was 1.388 1 μg/m L,which belonged to the middle resistance level.The results also showed that the sensitivity of 68 mycelial growth to myoylmorpholine was in accordance with the normal distribution.EC_(50) of the least sensitive strains were 5.56 times of the most sensitive ones.Deacylmorpholine was still highly active to tobacco black shank in Dehong,but should be used with other fungicides for reasonable rotation.

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