[1]王锦丹,周厚发,郑元仙,等.雪茄烟枯萎病木贼镰刀菌生物学特性及其拮抗内生细菌和防治药剂筛选[J].江苏农业科学,2026,54(3):170-180.
 Wang Jindan,et al.Biological characteristics of Fusarium equiseti causing cigar fusarium wilt and screening of its antagonistic endophytic bacteria and control agents[J].Jiangsu Agricultural Sciences,2026,54(3):170-180.
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雪茄烟枯萎病木贼镰刀菌生物学特性及其拮抗内生细菌和防治药剂筛选()

《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第54卷
期数:
2026年第3期
页码:
170-180
栏目:
植物保护
出版日期:
2026-02-05

文章信息/Info

Title:
Biological characteristics of Fusarium equiseti causing cigar fusarium wilt and screening of its antagonistic endophytic bacteria and control agents
作者:
王锦丹1周厚发2郑元仙2王继明2张永俊2李本辉2熊天娥2余磊1张定里2杨敏1
1.昆明学院农学与生命科学学院/云南省都市特色农业工程技术研究中心,云南昆明 650214; 2.云南省烟草公司临沧市公司,云南临沧 677000
Author(s):
Wang Jindanet al
关键词:
雪茄烟枯萎病木贼镰刀菌生物学特性拮抗菌药剂筛选
Keywords:
-
分类号:
S182;S435.72
DOI:
-
文献标志码:
A
摘要:
为分析雪茄烟枯萎病病原木贼镰刀菌的生物学特性,基于此筛选出对该病害具有较好防治效果的内生拮抗细菌和杀菌剂,为其防治提供指导。采用菌丝生长速率法,测定木贼镰刀菌的生物学特性;然后采用组织分离法和平板对峙法,从采集的雪茄烟健康植株根、茎和叶中分离和筛选拮抗细菌,通过生理生化和分子生物学对拮抗菌株进行鉴定;并采用带毒平板筛选对雪茄烟枯萎病木贼镰刀菌具有良好防治效果的杀菌剂。结果表明,木贼镰刀菌LM-2的最适生长条件为:孟加拉红培养基、pH值8.0、温度25~30 ℃,以蛋白胨为氮源和乳糖为碳源时生长最快,且光照对其生长无显著影响。经生理生化和分子生物学鉴定,筛选出的12株拮抗菌株分属芽孢杆菌和假单胞菌2类,其中,对木贼镰刀菌表现最佳抑制效果的拮抗细菌为NS4(Bacillus subtilis)。此外,药剂平板试验中,50%福美双WP和精甲霜·锰锌WP对木贼镰刀菌的抑制作用最明显,其ECc50分别为0.575 7、1.650 7 mg/L,抑菌率在59%~83%之间。综上,在防治雪茄烟木贼镰刀菌枯萎病时,可选用生物菌剂B.subtilis或杀菌剂50%福美双WP进行防治。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2025-04-03
基金项目:中国烟草总公司云南省公司科技项目(编号:2022530900242001)。
作者简介:王锦丹(1998—),女,云南文山人,硕士研究生,研究方向为资源利用与植物保护。E-mail:2277271844@qq.com。
通信作者:张定里,硕士,农艺师,主要从事烟草健康栽培研究,E-mail:1943571684@qq.com;杨敏,博士,助理研究员,主要从事作物抗病研究,E-mail:2576241960@qq.com。
更新日期/Last Update: 2026-02-05