| 芦竹内生真菌F0238对植物病原菌的拮抗作用 |
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| 引用本文： | 纪丽莲,张强华,崔桂友.芦竹内生真菌F0238对植物病原菌的拮抗作用[J].微生物学通报,2004,31(2):82-86. |
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| 作者姓名： | 纪丽莲 张强华 崔桂友 |
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| 作者单位： | 1. 淮阴工学院生物工程系,淮安,223001
2. 扬州大学旅游烹饪学院,扬州,225001 |
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| 基金项目： | 江苏省高校自然科学基金项目 (No 0 2KJD180 0 10 ) |
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| 摘 要： | 从黄海海岸低盐药用植物芦竹(Arundo donax L．)中分离得到木霉属的内生真菌F0238，对其进行拮抗植物病原菌活性及作用机制的试验研究。结果表明F0238发酵液对Botrytis cinerea，Sclerotium rolfsii等8种植物病原菌有强的抑菌活性及抑制孢子萌发作用，且这种作用在发酵原液被稀释了160倍后仍然存在；对峙培养试验表明F0238菌对植物病原菌有很强的拮抗作用，拮抗机制主要为重寄生作用、营养竞争作用及抗生作用等。
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| 关 键 词： | 芦竹 内生真菌 植物病原菌 拮抗作用 |
| 文章编号： | 0253-2654(2004)02-0082-05 |
| 修稿时间： | 2003年2月17日 |
THE ANTAGONISM OF AN ENDOPHYTIC FUNGUS F0238 ISOLATED FROM ARUNDO DONAX AGAINST PLANT PATHOGENIC FUNGI |
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| JI Li-Lian,ZHANG Qiang-Hua,CUI Gui-You.THE ANTAGONISM OF AN ENDOPHYTIC FUNGUS F0238 ISOLATED FROM ARUNDO DONAX AGAINST PLANT PATHOGENIC FUNGI[J].Microbiology,2004,31(2):82-86. |
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| Authors: | JI Li-Lian ZHANG Qiang-Hua CUI Gui-You |
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| Institution: | JI Li-Lian 1 ZHANG Qiang-Hua 1 CUI Gui-You 2 |
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| Abstract: | An endophytic fungus F0238 of Trichoderma was isolated from coastal Arundo donax L.. Its antagonism against plant pathogenic fungi was investigated. Results indicated that the fermentation liquid from strain F0238 showed strong inhibitory effect on mycelium growth and spore germination of eight pathogenic fungi including Fusarium graminearum, Botrytis cinerea, Rhizoctonia solani, Sclerotium rolfsii, Penicillium digitatum, Sclerotinia sclerotiorum, Fusarium solan, Cytospora chrysosperma, even diluted 160 times. It suggests that the antagonistic mechanism is hyperparasitism, competitive growth and antibiosis which were confirmed by further experiments of pairing culture. |
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| Keywords: | Arundo donax L Endophytic fungi Plant pathogenic fungi Antagonism |
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