|本期目录/Table of Contents|

[1]周小琪,曹成亮,丁盼,等.拮抗放线菌KLBMP06061的鉴定及其对苹果轮纹病菌的抑菌作用[J].江苏农业科学,2015,43(12):138-143.
 Zhou Xiaoqi,et al.Identification of an antagonistic Actinomycetes strain KLBMP06061 and its antagonistic activity against Macrophoma kawatsukai[J].Jiangsu Agricultural Sciences,2015,43(12):138-143.
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拮抗放线菌KLBMP06061的鉴定
及其对苹果轮纹病菌的抑菌作用
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第43卷
期数:
2015年第12期
页码:
138-143
栏目:
植物保护
出版日期:
2015-12-25

文章信息/Info

Title:
Identification of an antagonistic Actinomycetes strain KLBMP06061 and its antagonistic activity against Macrophoma kawatsukai
作者:
周小琪1 曹成亮1 丁盼1 薛羚伟1 刘贵友2 蒋继宏1
1.江苏师范大学/江苏省药用植物生物技术重点实验室,江苏徐州 221116;
2.江苏第二师范学院生命科学与化学化工学院,江苏南京 210013
Author(s):
Zhou Xiaoqiet al
关键词:
苹果轮纹病拮抗放线菌抑菌作用鉴定生物防治
Keywords:
-
分类号:
Q939.9;S182
DOI:
-
文献标志码:
A
摘要:
对分离自新疆荒漠土壤的拮抗放线菌KLBMP06061进行菌种鉴定,并评估其对苹果轮纹病原真菌的生防潜力。结合培养形态特征、生理生化特性、16S rDNA序列比对分析确定菌种分类地位;采用平板对峙法进行拮抗活性筛选;采用孢子萌发法和生长速率法进一步分析菌株KLBMP06061发酵滤液的抑菌作用及抑菌活性稳定性。根据多相分类鉴定结果确定,菌株KLBMP06061为Streptomyces pratensis。拮抗活性筛选结果显示,该菌株具有较好的抑菌广谱性,尤其对苹果轮纹病原菌的菌丝生长、孢子萌发都有很强的抑制作用,抑菌率分别达到85.2%、94.0%,与50%多菌灵可湿性粉剂(100 μg/mL)活性相当;抑菌活性稳定性研究表明,菌株KLBMP06061发酵滤液抑菌活性对热处理和紫外照射具有很好的稳定性,对蛋白酶处理不敏感,最适pH值范围为4~10。研究结果表明,菌株KLBMP06061具有活性高、抑菌谱广、抑菌活性稳定的特点,在生物防治中具有潜在的利用价值。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2015-06-09
基金项目:国家自然科学基金(编号:31170605、31370646);江苏师范大学自然科学研究基金(编号:13XLA02)。
作者简介:周小琪(1989—),女,山东潍坊人,硕士研究生,主要从事微生物资源开发研究。E-mail:xltingyx@126.com。
通信作者:刘贵友,博士,副教授,主要从事微生物转化研究,E-mail:liuguiyou2001@163.com;蒋继宏,教授,主要从事微生物资源与生物技术研究,Tel:(0516)83403515,E-mail:jhjiang@jsnu.edu.cn。
更新日期/Last Update: 2015-12-25