|本期目录/Table of Contents|

[1]李生樟,刘昭,杨瑞环,等.一株拮抗水稻条斑病菌的蜡样芽孢杆菌的分离和鉴定[J].江苏农业科学,2020,48(07):127-136.
 Li Shengzhang,et al.Isolation and identification of a Bacillus cereus strain against plant pathogenic Xanthomonas oryzae[J].Jiangsu Agricultural Sciences,2020,48(07):127-136.
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一株拮抗水稻条斑病菌的蜡样芽孢杆菌的分离和鉴定(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第48卷
期数:
2020年第07期
页码:
127-136
栏目:
植物保护
出版日期:
2020-04-13

文章信息/Info

Title:
Isolation and identification of a Bacillus cereus strain against plant pathogenic Xanthomonas oryzae
作者:
李生樟 刘昭 杨瑞环 陈颖 钟佑宁 陈路生 屈伊凝 陈功友 邹丽芳
上海交通大学农业与生物学院,上海 200240
Author(s):
Li Shengzhanget al
关键词:
水稻条斑病菌水稻白叶枯病菌蜡样芽孢杆菌生物防治拮抗活性
Keywords:
-
分类号:
S435.111.4+9
DOI:
-
文献标志码:
A
摘要:
水稻条斑病菌(Xanthomolias oryzae pv. oryzicola,Xoc)侵染水稻,引起细菌性条斑病(bacterial leaf streak,简称BLS),严重威胁水稻的安全生产。为筛选防治BLS的生防细菌,以Xoc的模式菌株RS105为靶标菌,采用平板稀释和抑菌圈法,从大白菜根际土壤中分离筛选到具有拮抗活性的细菌菌株512。通过形态学、生理生化特征以及16S rDNA和gyrB序列分析,鉴定菌株512为蜡样芽孢杆菌,命名为Bacillus cereus 512。抑菌试验显示,B. cereus 512对黄单胞菌属不同种细菌的拮抗活性存在较大差异,其中对水稻白叶枯病菌(Xanthomonas oryzae pv. oryzae,简称Xoo)的拮抗效果最强。发酵液的稳定性试验表明,抑菌活性物质对高温和蛋白酶不敏感,耐强碱不耐强酸。在原丰早水稻品种上,针对水稻条斑病防治的初步试验结果显示,B. cereus 512对Xoc在水稻叶片上引起的水渍症状的扩展具有明显的抑制作用。综上所述,B. cereus 512能够拮抗Xoc和Xoo,在BLS的生物防治中将具有较大的应用潜力。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2019-03-02
基金项目:国家重点研发计划(编号:2017YFD0200400);上海市科技兴农推广项目[编号:沪农科推字(2016)第 1-2-3号]。
作者简介:李生樟(1992—),男,福建三明人,硕士研究生,主要从事植物病害生物防治的研究。E-mail:lishengzhang1101@126.com。
通信作者:邹丽芳,博士,副教授,硕士生导师,主要从事植物病害的生物防治和分子植物病理学的研究。E-mail:zoulifang202018@sjtu.edu.cn。
更新日期/Last Update: 2020-04-05