[1]闫茹,路妍,孔祥久,等.内蒙古地区盾壳霉菌株的生物学特性及重寄生能力[J].江苏农业科学,2025,53(16):156-165.
 Yan Ru,et al.Biological characteristics and mycoparasitic ability of Coniothyrium minitans from the Inner Mongolia[J].Jiangsu Agricultural Sciences,2025,53(16):156-165.
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内蒙古地区盾壳霉菌株的生物学特性及重寄生能力()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第53卷
期数:
2025年第16期
页码:
156-165
栏目:
植物保护
出版日期:
2025-08-20

文章信息/Info

Title:
Biological characteristics and mycoparasitic ability of Coniothyrium minitans from the Inner Mongolia
作者:
闫茹路妍孔祥久景岚
内蒙古农业大学园艺与植物保护学院,内蒙古呼和浩特 010011
Author(s):
Yan Ruet al
关键词:
向日葵盾壳霉生物学特性核盘菌重寄生
Keywords:
-
分类号:
S435.655
DOI:
-
文献标志码:
A
摘要:
为获得性状优良的内蒙古本地野生盾壳霉菌株(Coniothyrium minitans),从采自内蒙古包头市萨拉齐镇、乌兰察布市集宁区、察右前旗玫瑰营镇、察右前旗平地泉镇4地的向日葵核盘菌(Sclerotinia sclerotiorum)菌核上分离得到10株盾壳霉菌株,并对这10个菌株进行生物学特性研究。结果显示,10株盾壳霉菌株的生物学特性均存在差异,菌株Pm-P1、Pm-J4的生长速率较快,分别为(3.87±0.10)、(3.85±0.18) mm/d,菌株Pm-M1产分生孢子器的数量最多,可达(289.23±13.58)个/dm2,菌株Pm-P3的产孢量最大,为(83.53±3.37)×107个/mL。10株盾壳霉菌株的最适生长温度均为20 ℃,光照对其生长的影响较小。对菌株Pm-J4进行测定,最适pH值为4,生长最适碳源为可溶性淀粉,产孢最适碳源为木糖;以蛋白胨、牛肉膏、酵母粉为氮源时,菌丝生长速率最快且差异不显著(P>0.05),以蛋白胨为氮源时,菌株产孢量最大。10株盾壳霉菌株对核盘菌的重寄生结果显示,菌株Pm-J4的致腐指数可达9417,菌株Pm-P1的致腐指数为92.5;菌株Pm-J4、Pm-S1对核盘菌菌丝生长的抑制率较高,分别为86.67%、8500%;菌株Pm-J4、Pm-S1、Pm-P1、Pm-P3对核盘菌产生菌核的影响较大。因此,菌株Pm-J4、Pm-S1、Pm-P1、Pm-P3在10株盾壳霉菌株中重寄生核盘菌的能力较强。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2024-09-17
基金项目:国家自然科学基金(编号:32160642);内蒙古自治区高等学校创新团队发展计划(编号:NMGIRT2320);内蒙古农业大学基本科研业务费(编号:BR22-13-09)。
作者简介:闫茹(2000—),女,内蒙古巴彦淖尔人,硕士,主要从事向日葵病害研究。E-mail:371871328@qq.com。
通信作者:景岚,博士,教授,主要从事植物免疫学研究。E-mail:jinglan71@126.com。
更新日期/Last Update: 2025-08-20