|本期目录/Table of Contents|

[1]石精涛,赵栋霖,肖艳松,等.灰葡萄孢拮抗菌的筛选及其次级代谢产物的抑菌特性[J].江苏农业科学,2025,53(7):141-147.
 Shi Jingtao,et al.Screening of Botrytis cinerea antagonistic bacteria and antifungal properties of its secondary metabolites[J].Jiangsu Agricultural Sciences,2025,53(7):141-147.
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灰葡萄孢拮抗菌的筛选及其次级代谢产物的抑菌特性(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第7期
页码:
141-147
栏目:
植物保护
出版日期:
2025-04-05

文章信息/Info

Title:
Screening of Botrytis cinerea antagonistic bacteria and antifungal properties of its secondary metabolites
作者:
石精涛12赵栋霖2肖艳松3邓茹婧3芶剑渝4彭治鑫2郭富强2姬芮25张鹏2张成省2徐康文2施宠1
1.新疆农业大学资源与环境学院,新疆乌鲁木齐 830052; 2.中国农业科学院烟草研究所,山东青岛 266101;3.湖南省烟草公司郴州市公司,湖南郴州 423000; 4.贵州省烟草公司遵义市公司,贵州遵义 563000; 5.青岛农业大学农学院,山东青岛 266101
Author(s):
Shi Jingtaoet al
关键词:
葡萄拮抗菌灰葡萄孢紫红蓝状菌生防资源
Keywords:
-
分类号:
S436.631.1+9
DOI:
-
文献标志码:
A
摘要:
由灰葡萄孢(Botrytis cinerea)引起的灰霉病是影响我国葡萄产量的主要病害之一,也是产后贮藏过程中的毁灭性病害,因此需要一种安全高效的方法应对葡萄灰霉病的发生。以12种从葡萄健康果实中分离出的潜在生防菌为材料,利用平板对峙试验初步测试防效;发酵并萃取拮抗效果较好的生防菌提取物进一步验证防效,然后利用扫描及透射电镜观察了提取物处理后灰葡萄孢菌丝的形态变化,最后测试了提取物的抑菌谱。结果显示,6种菌株对灰葡萄孢的抑制率>70%,它们的发酵提取物在1 mg/mL时均对灰葡萄孢具有一定的抑制效果,其中,CX2菌株提取物抑制效果最好,抑制率为100%,且其抑制率存在浓度依赖性;形态学观察及分子生物学鉴定结果表明,CX2菌株为紫红蓝状菌(Talaromyces purpureogenus);扫描电镜及透射电镜结果显示,CX2提取物会导致灰葡萄孢菌丝形变及细胞器裂解;防效试验结果表明,CX2提取物在0.5 mg/mL时能够有效抑制灰葡萄孢侵染葡萄果实,菌斑抑制率达到9744%;进一步的抑菌谱结果表明,CX2菌株提取物对黄瓜织球壳菌等7种病原真菌具有明显的抑菌活性,其中,对黄瓜织球壳菌(Plectosphaerella cucumerina)和稻黑孢菌(Nigrospora oryzae)的抑制效果尤为明显,抑制率分别是92.47%和10000%。综上,CX2菌株具有广谱的抗真菌活性,且具有开发为灰葡萄孢生防菌的潜力。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期:2024-05-17
基金项目:国家自然科学基金(编号:32302448);中央级公益性科研院所基本科研业务费专项(编号:1610232023025);中国烟草总公司重大科技项目[编号:110202201005(JY-05)、110202101057(LS-17)];国家盐碱地综合利用技术创新中心揭榜挂帅项目(编号:GYJ2023005);青岛市科技惠民示范专项(编号:23-3-8-xdny-2-nsh)。
作者简介:石精涛(2000—),男,河南三门峡人,硕士研究生,主要研究方向为农业微生物。E-mail:sjthnsmx@163.com。
通信作者:施宠,博士,副教授,硕士生导师,主要研究方向为禾草内生真菌。E-mail:shichong98@163.com。
更新日期/Last Update: 2025-04-05