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甘肃地区番茄细菌性斑点病菌的鉴定与检测
引用本文:文朝慧,王军平,何苏琴. 甘肃地区番茄细菌性斑点病菌的鉴定与检测[J]. 中国蔬菜, 2013, 1(6): 68-73
作者姓名:文朝慧  王军平  何苏琴
作者单位:(;1.甘肃出入境检验检疫局,甘肃兰州 730020;;2. 甘肃省农业科学院植物保护研究所,甘肃兰州;730070)
基金项目:甘肃出入境检验检疫局科技计划项目(2011GK001)
摘    要:从番茄病果上分离纯化的细菌菌株,经致病性测定、形态特征、培养特性观察及16S rDNA
序列测定,鉴定为番茄细菌性斑点病菌Pseudomonas syringae pv. tomato(Okabe)Young,Dye et Wilkie。
利用特异性引物对已鉴定菌株及番茄发病组织进行PCR 扩增,均扩增出530 bp 左右的特异性片段,印证
了可利用特异性引物MM5F/MM5R 对分离菌株或番茄发病组织进行PCR 扩增以检测番茄细菌性斑点病菌。

关 键 词:番茄细菌性斑点病菌  分离  检测  
收稿时间:2012-11-20;

Identification and Detection of Pseudomonas syringae pv.tomato in Gansu
WEN Zhao-hui,WANG Jun-ping,HE Su-qin. Identification and Detection of Pseudomonas syringae pv.tomato in Gansu[J]. China Vegetables, 2013, 1(6): 68-73
Authors:WEN Zhao-hui  WANG Jun-ping  HE Su-qin
Affiliation:(;1.Gansu Entry-exit Inspection and Quarantine Bureau, Lanzhou 730020, Gansu, China; ;2.Institute of Plant Protection,;Gansu Academy of Agricultural Sciences, Lanzhou 730070, Gansu, China)
Abstract:Bacteria strains isolated from diseased tomato fruits were identified as Pseudomonas
syringae pv. tomato based on pathogenicity,morphological characterizations and 16S ribosomal DNA
sequence analysis( 99% nucleotide identity).About 530 bp specific fragment of hrpZPst were amplified
from these strains and naturally-infected tomato fruits by specific primers MM5F/MM5R.The results
confirm that this PCR protocol is suitable for specific detecti on of P. syringae pv. tomato in field material.
Keywords:Isolation  Detection
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