Suppression of disease in tomato infected by Pythium ultimum with a biosurfactant produced by Pseudomonas koreensis

Hultberg M.; Alsberg T.; Khalil S.; Alsanius B.

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Suppression of disease in tomato infected by Pythium ultimum with a biosurfactant produced by Pseudomonas koreensis

机译：用韩国假单胞菌（Pseudomonas koreensis）生产的生物表面活性剂抑制终腐霉菌感染番茄的病害

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The use of biosurfactants is a promising alternative in biological control of zoospore-producing oomycetes, which are a major plant pathogen world-wide in a wide variety of crops. Oomycetes are of particular concern in closed hydroponic cultivation systems. The present study investigated the efficacy of a biosurfactant produced by Pseudomonas koreensis and added as a crude extract against the oomycete Pythium ultimum in hydroponic tomato cultivation. A significant reduction in disease was observed. Biosurfactant addition did not affect the indigenous root microflora when evaluated as sole carbon source utilisation. Chemical analysis, using electrospray hybrid mass spectrometry (ESI-MSMS), of the biosurfactant indicated it to be lokisin, a cyclic lipopeptide. These results confirm that biosurfactants are important in developing sustainable biological control strategies for oomycetes.

机译：在生产游动孢子的卵菌的生物防治中，使用生物表面活性剂是一种有前途的替代方法，卵菌是世界范围内多种农作物中的主要植物病原体。在封闭的水耕栽培系统中，卵菌纲尤其令人关注。本研究调查了由水产番茄栽培的朝鲜假单胞菌（Pseudomonas koreensis）生产的生物表面活性剂作为粗提取物加入的抗终生腐殖质腐霉的功效。观察到疾病显着减少。当作为唯一碳源利用进行评估时，添加生物表面活性剂不会影响本地根微生物区系。使用电喷雾混合质谱（ESI-MSMS）对该生物表面活性剂进行化学分析，结果表明该化学表面活性剂为环肽素，一种环脂肽。这些结果证实生物表面活性剂在开发卵菌的可持续生物控制策略中很重要。

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《BioControl: Journal of the International Organization for Biological Control》 |2010年第3期|共10页
作者
Hultberg M.; Alsberg T.; Khalil S.; Alsanius B.;
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正文语种 eng
中图分类生物防治;
关键词
biological control strategy;

机译：生物防治策略;

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1. Suppression of disease in tomato infected by Pythium ultimum with a biosurfactant produced by Pseudomonas koreensis [J] . Hultberg M., Alsberg T., Khalil S., BioControl: Journal of the International Organization for Biological Control . 2010,第3期

机译：用韩国假单胞菌（Pseudomonas koreensis）生产的生物表面活性剂抑制终腐霉菌感染番茄的病害
2. Effect of Soil Acidity on Diseases Caused by Pythium ultimum and Fusarium oxysporum on Tomato Plants [J] . Khalaf M. Alhussaen Journal of Biological Sciences . 2012,第7期

机译：土壤酸度对番茄终生腐霉和尖孢镰刀菌病害的影响
3. Characterization of a novel biosurfactant producing Pseudomonas koreensis lineage that is endemic to Cuatro Cienegas Basin. [J] . Toribio J, Escalante AE, Caballero-Mellado J, Systematic and Applied Microbiology . 2011,第7期

机译：Cuatro Cienegas盆地特有的新型生物表面活性剂生产朝鲜假单胞菌谱系的表征。
4. Suppression of the plant diseases, Pythium (damping-off), Rhizoctonia (root rot) and Verticillium (wilt) by vermicomposts [C] . H Chaoui, C A Edwards, A Brickner, International Conference of the British Crop Protection Council . 2002

机译：抑制植物疾病，褥疮（抑制），Rhizoctonia（根腐毒）和蠕虫（蠕虫）（蠕虫）
5. Role of 2,4-diacetylphloroglucinol-producing Pseudomonas fluorescens in the suppression of take-all and Pythium root rot of wheat. [D] . Allende-Molar, Raul. 2006

机译：产生2,4-二乙酰基间苯三酚的荧光假单胞菌在抑制小麦的全蚀和腐霉根腐病中的作用。
6. Evidence for signaling between the phytopathogenic fungus Pythium ultimum and Pseudomonas fluorescens F113: P. ultimum represses the expression of genes in P. fluorescens F113 resulting in altered ecological fitness. [O] . S Fedi, E Tola, Y Moënne-Loccoz, 1997

机译：致病真菌真菌腐霉和荧光假单胞菌F113之间信号传递的证据：腐霉假单胞菌抑制了荧光假单胞菌F113中的基因表达从而改变了生态适应性。
7. Viscosinamide-producing Pseudomonas fluorescens DR54 exerts a biocontrol effect on Pythium ultimum in sugar beet rhizosphere [O] . C Thrane 2000

机译：荧光灯荧光笔DR54荧光荧光素DR54对糖甜菜根际的钯ULTimum施加生物控制作用

Suppression of disease in tomato infected by Pythium ultimum with a biosurfactant produced by Pseudomonas koreensis

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