|本期目录/Table of Contents|

[1]刘晓禄,冶海林,刘易,等.新疆奇台县马铃薯疮痂病病原的分离鉴定及生物学特性[J].江苏农业科学,2023,51(5):139-146.
 Liu Xiaolu,et al.Isolation,identification and biological characteristics of pathogen of potato scab in Qitai County of Xinjiang area[J].Jiangsu Agricultural Sciences,2023,51(5):139-146.
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新疆奇台县马铃薯疮痂病病原的分离鉴定及生物学特性(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第5期
页码:
139-146
栏目:
植物保护
出版日期:
2023-03-05

文章信息/Info

Title:
Isolation,identification and biological characteristics of pathogen of potato scab in Qitai County of Xinjiang area
作者:
刘晓禄12冶海林3刘易4艾尼江·尔斯满2徐李娟25郭瑞25包晓玮1宋素琴2
1.新疆农业大学食品科学与药学学院,新疆乌鲁木齐 830052;2.新疆农业科学院微生物应用研究所/新疆特殊环境微生物重点实验室,新疆乌鲁木齐 830091; 3.新疆农业农村厅哈密植物检疫工作站,新疆哈密 839000;4.新疆农业科学院综合试验场,新疆乌鲁木齐 830012; 5.新疆农业大学农学院,新疆乌鲁木齐 830052
Author(s):
Liu Xiaoluet al
关键词:
新疆奇台马铃薯疮痂病病原菌分离鉴定致病基因生物学特性
Keywords:
-
分类号:
S435.32
DOI:
-
文献标志码:
A
摘要:
对新疆奇台县马铃薯疮痂病病原菌进行分离、鉴定和生物学特性研究,从该地区采集马铃薯种植区病薯块茎及根际土壤,利用植物组织分离法、稀释涂布分离法分离菌株,并检测致病基因txtAB、nec1、tomA,结合小萝卜幼苗法和小薯片法测定菌株的致病性;通过形态学、生理生化特性及16S rDNA序列进行鉴定。结果表明,菌株5-51和B4K3-21具有txtAB致病基因;小萝卜幼苗抑制率分别为73.55%、77.20%,能使小薯片表面变褐,坏死;菌株K1-4和T6同时具有txtAB、nec1、tomA等3种致病基因,小萝卜幼苗抑制率分别为80.86%、77.42%,均能使小薯片和萝卜片表面变褐、坏死且具有较强的致病性。生物学测定发现菌株K1-4、T6、5-51、B4K3-21能以D-葡萄糖、α-乳糖、蔗糖、D-果糖、肌醇、D-甘露醇为单一碳源,以L-赖氨酸、甲硫氨酸、酪氨酸为单一氮源,经16S rDNA 序列分析,菌株K1-4、T6、5-51与Streptomyces galilaeus(MK 424308.1)的亲缘关系最近,相似率为99.86%,菌株B4K3-21与 Streptomyces europaeiscabiei(NR116533.1)的亲缘关系最近,相似率为99.64%,表明新疆奇台县马铃薯疮痂病的病原菌为Streptomyces galilaeus和Streptomyces europaeiscabie,均为新疆首次报道。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2022-07-24
基金项目:新疆维吾尔自治区重点研发任务专项(编号:2022B02044-2);新疆农业科学院科技创新重点培育专项(编号:Xjkcpy-202203);农业农村部西北荒漠绿洲作物有害生物综合治理重点实验室开放基金(编号:KFJJ202006)。
作者简介:刘晓禄(1997—),男,新疆奇台人,硕士研究生,主要从事微生物活性产物研究。E-mail:1738634315 @qq.com。
通信作者:包晓玮,博士,教授,主要从事食品营养与安全研究,E-mail:408531623@qq.com;宋素琴,硕士,研究员,主要从事微生物活性产物及作物病害研究,E-mail:suqin_song@163.com。
更新日期/Last Update: 2023-03-05