Activity of Plant Growth Promoting Rhizobacteria (PGPRs) in the Biocontrol of Tomato Fusarium Wilt

被引：0
|
作者：
Boukerma, Lamia [1 ,2 ]
Benchabane, Messaoud [2 ]
Charif, Ahmed [3 ]
Khelifi, Lakhdar [1 ]
机构：
[1] ENSA, ES1603, Lab Natl Res Genet Resources & Biotechnol, El Harrach, Algeria
[2] Saad Dahleb Univ, Lab Protect & Valorisat Agrobiol Resources, Blida, Algeria
[3] South Dakota State Univ, Coll Agr & Biol Sci, Dept Plant Sci, Brookings, SD 57007 USA
来源：
PLANT PROTECTION SCIENCE | 2017年 / 53卷 / 02期
关键词：
Pseudomonas fluorescens PF15; Pseudomonas putida PP27; Fusarium oxysporum f.sp lycopersici; Induced Systemic Resistance; INDUCED SYSTEMIC RESISTANCE; BIOLOGICAL-CONTROL; DISEASE RESISTANCE; ARABIDOPSIS; INDUCTION; DEFENSE; ACCUMULATION; INFECTION; BACTERIUM; JASMONATE;
D O I：
10.17221/178/2015-PPS
中图分类号：
S3 [农学（农艺学）];
学科分类号：
0901 ;
摘要：
The potential of Pseudomonas fluorescens PF15 and Pseudomonas putida PP27 to protect tomato plants against Fusarium wilt under greenhouse conditions was evaluated. In vitro antagonism showed a significant inhibition of the pathogen growth (47%) revealed by PF15. However, PP27 presented a 10% rate of the mycelium inhibition. An in situ experiment was conducted with split-root design for induced systemic resistance (ISR) and without split-root design to measure both ISR and antagonistic activities. Fluorescent Pseudomonas revealed a delay in the onset of symptoms and slower kinetics of disease progression compared to the pathogen control. McKinney's index, which measures the severity of the disease, was reduced by 37-72%, and the levels of infection (incidence) by 7-36%.
引用
收藏
页码：78 / 84
页数：7
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