|本期目录/Table of Contents|

[1]曹毅,李娟,曾陨涛,等.2株烟草根际芽孢杆菌的分子鉴定及抗菌促生作用[J].江苏农业科学,2021,49(21):241-247.
 Cao Yi,et al.Molecular identification of two Bacillus strains isolated from tobacco rhizosphere and its antagonistic and growth-promoting effects[J].Jiangsu Agricultural Sciences,2021,49(21):241-247.
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2株烟草根际芽孢杆菌的分子鉴定及抗菌促生作用(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第49卷
期数:
2021年第21期
页码:
241-247
栏目:
资源与环境
出版日期:
2021-11-05

文章信息/Info

Title:
Molecular identification of two Bacillus strains isolated from tobacco rhizosphere and its antagonistic and growth-promoting effects
作者:
曹毅1 李娟12 曾陨涛3 陆宁1 杨冬梅1 商胜华1
1.贵州省烟草科学研究院,贵州贵阳 550081; 2.云南农业大学烟草学院,云南昆明 650201;3.中国烟草总公司贵州省公司,贵州贵阳 550004
Author(s):
Cao Yiet al
关键词:
芽孢杆菌烟草gyrB基因抑菌活性促生作用
Keywords:
-
分类号:
S182;S572.01
DOI:
-
文献标志码:
A
摘要:
为探究分离自烟草根际的2株芽孢杆菌的种类及其抑菌促生特性,利用16S rDNA和gyrB基因序列分析法,将菌株YC2006和YC2008分别鉴定为枯草芽孢杆菌(Bacillus subtilis)和解淀粉芽孢杆菌(Bacillus amyloliquefaciens)。菌株对烟草赤星病病原(Alternaria alternata)、烟草黑胫病病原(Phytophthora parasitica)和烟草立枯病(Rhizoctonia solani) 病原均具有明显的抑制作用,对烟草立枯病病原的抑制率分别达到60.35%和68.08%。菌液浸种处理可显著提高烟草种子发芽势,在育苗基质中添加菌剂可显著提高烟苗的株高、茎围、最大叶面积、地上部鲜质量、地下部鲜质量、总根长和总根表面积。2株芽孢杆菌对烟草主要真菌病原具有拮抗活性,同时兼具促进种子萌发和烟苗生长的作用,具有良好的研究开发应用前景。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2021-03-05
基金项目:国家自然科学基金(编号:31660544);中国烟草总公司贵州省公司项目(编号:201603、2021XM12)。
作者简介:曹毅(1982—),男,云南会泽人,博士,副研究员,从事微生物和植物保护研究。E-mail:yicao1001@163.com。
更新日期/Last Update: 2021-11-05