alexa Screening of Resistant Varieties and Antagonistic Fusarium oxysporum for Biocontrol of Fusarium Wilt of Chilli
ISSN: 2157-7471

Journal of Plant Pathology & Microbiology
Open Access

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Research Article

Screening of Resistant Varieties and Antagonistic Fusarium oxysporum for Biocontrol of Fusarium Wilt of Chilli

Mamta Joshi1,2*, Rashmi Srivastava1, Anil Kumar Sharma1 and Anil Prakash2

1Department of Biological Sciences, CBSH, G.B. Pant University of Agriculture & Technology, Pantnagar – 263145, Uttarakhand, India

2Department of Biotechnology and Bioinformatics, Barkatullah University, Bhopal, MP, India

*Corresponding Author:
Mamta Joshi
Department of Biological Sciences
CBSH, G.B. Pant University of Agriculture & Technology
Pantnagar–263145, Uttarakhand, India
Tel: +5944-233309
Fax: +5944-233473
E-mail: [email protected]

Received date: August 07, 2012; Accepted date: September 21, 2012; Published date: September 25, 2012

Citation: Joshi M, Srivastava R, Sharma AK, Prakash A (2012) Screening of Resistant Varieties and Antagonistic Fusarium oxysporum for Biocontrol of Fusarium Wilt of Chilli. J Plant Pathol Microb 3:134. doi: 10.4172/2157-7471.1000134

Copyright: © 2012 Joshi M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited

Abstract

Chilli is an important vegetable/spice, and its socio-cultural role is remarkable worldwide. The enormous popularity and demand for chilli is providing a boost to the chilli industry, but its production is increasingly constrained by diseases. Chilli producers have reported Fusarium wilt, as the frequently encountered disease. The present investigation focuses on biological control, which is found effective to manage this disease.

A survey was conducted at Uttarakhand and Uttar Pradesh states in India, for collection of soil and plant samples. A total of eighty isolates of Fusarium were isolated from these samples. Among these, forty eight isolates of Fusarium oxysporum were identified on the basis of morphological and molecular characteristics, using speciesspecific primers. Pathogenicity test on chilli was conducted. One isolate of F. oxysporum was found most virulent pathogen, while eleven isolates were non- pathogenic isolates. Isolate no. 65 was found most antagonistic towards F. oxysporum, under in-vitro dual culture assay. Thirty chilli varieties were screened for evaluation of resistance. Among these, two varieties were found resistant against the Fusarium wilt. The present investigation focused on recovery of antagonistic Fusarium and resistant varieties of chilli, for controlling and resisting wilt and improving the soil health.

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