Role of Antagonistic Microbe Pseudomonas fluorescens on Colletotrichum capsici Infecting Curcuma longa
- *Corresponding Author:
- Muthuraman Pandurangan
Department of Animal Science
Chonbuk National University, Jeonju, South Korea
E-mail: [email protected]
Received date: October 15, 2012; Accepted date: November 20, 2012; Published date: November 25, 2012
Citation: Ramkumar, Soureche R, Prabhakar S, Pandurangan M (2012) Role of Antagonistic Microbe Pseudomonas fluorescens on Colletotrichum capsici Infecting Curcuma longa. J Plant Pathol Microb 3:146. doi:10.4172/2157-7471.1000146
Copyright: ©2012 Ramkumar, 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.
The present study was attempted to find out the efficacy of commercially formulated Pseudomonas fluorescens in the form of foliar spray on Colletotrichum capsici infecting leaf spot disease in turmeric. The rhizomes dipped in biocontrol/chemical fungicide (bavistin) solution for overnight was planted in their respective triplicate plots for field study. 90-days old plants were sprayed with C. capsici spore spray (7-12×104 spores/ml) and subsequently on the next day by Pseudomonas fluorescens/bavistin spray in their respective plots. The second dosage of biocontrol/bavistin spray was given 15 days after the 1st biocontrol/bavistin spray. The leaf samples were collected from healthy; infected; biocontrol and bavistin sprayed plots on the 10th day after I and II spray schedule were subjected to various
biochemical analyses. The result revealed that P. fluorescens (2%) in the form of rhizome treatment as well as foliar spray (two times) was found to be best antagonistic microbe in controlling C. capsici infecting Curcuma longa. The superiority of Pseudomonas spray over bavistin was mainly due to rapid cumulative antagonistic and antibiotic action against the pathogen.