Physiological and biochemical responses of in vitro Fusarium oxysporum f.sp niveum to benzoic acid

被引：20
|
作者：
Wu, H. -S. [1 ,2 ,3 ]
Wang, Y. [1 ,2 ]
Zhang, C. -Y. [1 ,2 ]
Gu, M. [1 ]
Liu, Y. -X. [1 ,2 ]
Chen, G. [1 ,2 ]
Wang, J. -H. [1 ,2 ]
Tang, Z. [1 ,2 ]
Mao, Z. -S. [1 ,2 ]
Shen, Q. -R. [1 ,2 ]
机构：
[1] Nanjing Agr Univ, Coll Resources & Environm Sci, Nanjing 210095, Peoples R China
[2] Jiangsu Key Lab Solid Organ Waste Utilizat, Nanjing 210095, Peoples R China
[3] Nanjing Univ Informat Sci & Technol, Nanjing 210044, Peoples R China
来源：
FOLIA MICROBIOLOGICA | 2009年 / 54卷 / 02期
关键词：
F-SP NIVEUM; PHENOLIC-ACIDS; MOLECULAR-DETECTION; CINNAMIC ACID; RHIZOSPHERE; SOIL; L; METABOLISM; GROWTH; ROOTS;
D O I：
10.1007/s12223-009-0017-6
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
The allelopathic potential of an artificially applied allelochemical, benzoic acid, on in vitro Fusarium oxysporum f.sp. niveum (a soil-borne pathogen causing watermelon wilt) was evaluated. Benzoic acid strongly inhibited its growth, sporulation and conidia germination, whereas it stimulated virulence factors of this pathogen. The biomass was reduced by 83-96 % and the conidia germinating rate and conidia production rate were decreased by 100 % at a concentration of > 200 mg/L. However, phytopathogenic enzyme activities and mycotoxin production were stimulated with an increase of 10.2-1250 % for enzyme activities and 610-2630 % for mycotoxin yield.
引用
收藏
页码：115 / 122
页数：8
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