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Bio-priming with a consortium of Streptomyces araujoniae strains modulates defense response in chickpea against Fusarium wilt

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Title Bio-priming with a consortium of Streptomyces araujoniae strains modulates defense response in chickpea against Fusarium wilt
Not Available
 
Creator Mohammad Tarique Zeyad† , Pushpendra Tiwari† , Waquar Akhter Ansari, Shiv Charan Kumar, Murugan Kumar*, Hillol Chakdar, Alok Kumar Srivastava, Udai B. Singh and Anil Kumar Saxena
 
Subject bio-priming, chickpea, consortium, disease alleviation, Streptomyces araujoniae
 
Description Not Available
Wilt caused by Fusarium oxysporum f. sp. ciceris (Foc) is one of the major
diseases of chickpea affecting the potential yield significantly. Productivity and
biotic stress resilience are both improved by the association and interaction
of Streptomyces spp. with crop plants. In the present study, we evaluated two
Streptomyces araujoniae strains (TN11 and TN19) for controlling the wilt of
chickpea individually and as a consortium. The response of Foc challenged
chickpea to inoculation with S. araujoniae TN11 and TN19 individually and as
a consortium was recorded in terms of changes in physio-biochemical and
expression of genes coding superoxide dismutase (SOD), peroxidase, and
catalase. Priming with a consortium of TN11 and TN19 reduced the disease
severity by 50–58% when challenged with Foc. Consortium primed-challenged
plants recorded lower shoot dry weight to fresh weight ratio and root dry
weight to fresh weight ratio as compared to challenged non-primed plants.
The pathogen-challenged consortium primed plants recorded the highest
accumulation of proline and electrolyte leakage. Similarly, total chlorophyll
and carotenoids were recorded highest in the consortium treatment.
Expression of genes coding SOD, peroxidase, and catalase was up-regulated
which corroborated with higher activities of SOD, peroxidase, and catalase in
consortium primed-challenged plants as compared to the challenged non primed plants. Ethyl acetate extracts of TN11 and TN19 inhibited the growth
of fungal pathogens viz., Fusarium oxysporum f. sp. ciceris. Macrophomina
phaseolina, F. udum, and Sclerotinia sclerotiarum by 54–73%. LC–MS analyses
of the extracts showed the presence of a variety of antifungal compounds like
erucamide and valinomycin in TN11 and valinomycin and dinactin in TN19.
These findings suggest that the consortium of two strains of S. araujoniae
(TN11 and TN19) can modulate defense response in chickpea against wilt and
can be explored as a biocontrol strategy.
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Date 2024-06-24T16:40:38Z
2024-06-24T16:40:38Z
2022-01-01
 
Type Research Paper
 
Identifier Not Available
Not Available
http://krishi.icar.gov.in/jspui/handle/123456789/83753
 
Language English
 
Relation Not Available;
 
Publisher Not Available