[1]林玲,罗晓宇,王卿,等.生防内生细菌Jaas ed1挥发性有机物的抑菌促生长作用[J].江苏农业科学,2024,52(21):143-148.
Lin Ling,et al.Antifungal activity and plant growth-promoting effects of volatile organic compounds produced by biocontrol endophytic bacterium Jaas ed1[J].Jiangsu Agricultural Sciences,2024,52(21):143-148.
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生防内生细菌Jaas ed1挥发性有机物的抑菌促生长作用(PDF)
Lin Ling,et al.Antifungal activity and plant growth-promoting effects of volatile organic compounds produced by biocontrol endophytic bacterium Jaas ed1[J].Jiangsu Agricultural Sciences,2024,52(21):143-148.
《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]
- 卷:
- 第52卷
- 期数:
- 2024年第21期
- 页码:
- 143-148
- 栏目:
- 植物保护
- 出版日期:
- 2024-11-05
文章信息/Info
- Title:
- Antifungal activity and plant growth-promoting effects of volatile organic compounds produced by biocontrol endophytic bacterium Jaas ed1
- 关键词:
- 生防内生细菌; 挥发性有机物; 抑菌活性; 促生长活性; 顶空-固相微萃取-气质联用
- Keywords:
- -
- 分类号:
- S182；S482.2+92
- DOI:
- -
- 文献标志码:
- A
- 摘要:
- 用二分格平皿对峙培养法测定生防内生细菌Jaas ed1的挥发性有机物对土传病原真菌和拟南芥生长的影响。结果表明，菌株Jaas ed1的挥发性有机物能抑制茄子黄萎菌微菌核的萌发，抑制率为85.5%。扫描电镜观察到挥发性有机物处理7 d 后，西瓜枯萎菌菌丝形态遭到破坏，菌丝表面粗糙，有明显塌陷区，部分菌丝干瘪，有的菌丝甚至消融断裂；而空白对照菌丝干净、饱满，其表面光滑、形态完整。挥发性有机物对茄子黄萎菌、西瓜枯萎菌、辣椒菌核菌等7种土传病原真菌的菌丝生长都有抑制作用，抑制率在23.1%～ 89.8%之间。挥发性有机物能促进拟南芥的生长，拟南芥单株鲜重是空白对照的2.7倍。通过顶空固相微萃取法收集菌株Jaas ed1产生的挥发性有机物，再经气质联用仪分析其组分，发现该菌株挥发性有机物包含苯甲醛、壬醛、2，6-二甲基-十一烷、反式-2-十一烯酸、十八烯酸-3-(十八烷基氧基)丙酯、2-甲基二十六烷、三十四烷、15-二十九烷酮等19 种有机化合物。综上所述，菌株Jaas ed1能产生抑制土传病原真菌生长发育和促进植物生长的挥发性有机物，该菌株及其产生的挥发性有机物具有开发为生防产品的潜力。
- Abstract:
- -
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相似文献/References:
[1]胡学波,夏冰,应蓉蓉,等.农药污染场地土壤中有机物分析方法研究进展与展望[J].江苏农业科学,2022,50(14):22.
Hu Xuebo,et al.Research progress and prospects of methods for analysis of organic compounds in soil of pesticide contaminated sites[J].Jiangsu Agricultural Sciences,2022,50(21):22.
备注/Memo
- 备注/Memo:
-
收稿日期：2023-11-23
基金项目：国家棉花产业技术体系项目(编号：CARS-18-16)。
作者简介：林玲(1973—)，女，江苏南京人，博士，研究员，主要从事土传病害发生规律和防治技术研究。E-mail：linling@jaas.ac.cn。
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