华北农学报 ›› 2013, Vol. 28 ›› Issue (4): 223-227. doi: 10.3969/j.issn.1000-7091.2013.04.041

所属专题: 甜椒辣椒

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花椒枯穂病生防菌的筛选及鉴定

李建嫄1, 张娜1, 刘峰1, 张徐明2, 张汀1, 杨文香1, 刘大群1   

  1. 1. 河北农业大学植物病理学系,河北省农作物病虫害生物防治工程技术研究中心,国家北方山区农业工程技术研究中心, 河北 保定 071001;
    2. 河北省沙河市植保站, 河北 邢台 054100
  • 收稿日期:2013-04-28 出版日期:2013-08-28
  • 通讯作者: 杨文香(1966- ),女,河北沧州人,教授,博士,主要从事分子植物病理学研究 刘大群(1958- ),男,河北石家庄人,教授,博士,主要从事分子植物病理学及植物病害生物防治研究
  • 作者简介:李建嫄(1988- ),女,河北邢台人,在读硕士,主要从事植物病理学研究 李建嫄 张娜为同等贡献作者
  • 基金资助:
    河北省科技支撑计划项目(10220309);保定市科技攻关计划项目(10ZN005)

Screening and Identification of Microbes against Pricklyash Peel Ear Blight Disease

LI Jian-yuan1, ZHANG Na1, LIU Feng1, ZHANG Xu-ming2, ZHANG Ting1, YANG Wen-xiang1, LIU Da-qun1   

  1. 1. Department of Plant Pathology, Agricultural University of Hebei, Biological Control Center of Plant Diseases and Plant Pests of Hebei Province, National Engineering Research Center for Agriculture in Northern Mountainous Areas, Baoding 071001, China;
    2. Plant Protection Station of Shahe, Hebei Province, Xingtai 054100, China
  • Received:2013-04-28 Published:2013-08-28

摘要: 筛选获得对花椒枯穗病菌有效的生防菌。采用抑菌圈法和对峙培养法筛选生防菌,通过形态学、生理生化和16S rDNA分子鉴定确定生防菌分类地位。从供试的305株测试菌株中筛选到4株对花椒枯穂病菌具有拮抗效果的生防菌,其中1株拮抗效果最好,代号为Z-X-225,抑菌带为8 mm。筛选获得的这株生防菌对苹果斑点落叶病菌、小麦赤霉病菌、番茄灰霉病菌和棉花枯萎病菌均具有显著的抑制效果。通过生物测定和分子生物学分类鉴定,确定这个生防菌株为多粘类芽孢杆菌。

关键词: 花椒枯穂病, 链格孢, 生物防治, 多粘类芽孢杆菌

Abstract: The objective of this research was to screen and identify the biocontrol agents against the pathogen which cause pricklyash peel ear blight disease.Inhibition zone measurement and duel culture method were employed to screen the biocontrol agents.The biocontrol agents were identified according to the morphology characters,bioassay and 16S rD- NA sequence analysis.Four bacterial agents of the screened 305 strains with the ability of inhibition the pathogen of ear blight disease in the inhibition zone test on PDA plates were obtained.Among them,strain Z- X- 225 displayed the stron- gest antagonists than the others with inhibition zone over 8 mm.Pathogens of apple alternaria blotch,wheat scab,cotton fusarium wilt,and tomato gray mould also could be inhibited by the fermentation liquids of the strain.The strain was i- dentified as Paenibacillus polymyxa by combining biological characteristics with molecular technique.

Key words: Pricklyash peel ear blight disease, Alternaria alternata (Fries) Keissler, Biological control, Paeni- bacillus polymyxa

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引用本文

李建嫄, 张娜, 刘峰, 张徐明, 张汀, 杨文香, 刘大群. 花椒枯穂病生防菌的筛选及鉴定[J]. 华北农学报, 2013, 28(4): 223-227. doi: 10.3969/j.issn.1000-7091.2013.04.041.

LI Jian-yuan, ZHANG Na, LIU Feng, ZHANG Xu-ming, ZHANG Ting, YANG Wen-xiang, LIU Da-qun. Screening and Identification of Microbes against Pricklyash Peel Ear Blight Disease[J]. ACTA AGRICULTURAE BOREALI-SINICA, 2013, 28(4): 223-227. doi: 10.3969/j.issn.1000-7091.2013.04.041.

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