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Pseudomonas as a Prospective Candidate For Minimization in use of Chemical Pesticides or their Gradual Replacement with Biocontrol Agents on Agricultural Fields Cover

Pseudomonas as a Prospective Candidate For Minimization in use of Chemical Pesticides or their Gradual Replacement with Biocontrol Agents on Agricultural Fields

By: Poornima Sharma  
Open Access
|Jan 2013

Abstract

Isolates of Pseudomonas species obtained from rhizosphere, rhizoplane and endophytic habitats of various plants were tested for their antagonistic activity against plant pathogenic Fusarium oxysporum isolated from the roots of a diseased pea plant. Pseudomonas isolate P5 showed best activity against F. oxysporum followed by P4, P22 and P17. Some isolates of Pseudomonas, P24, P25 and P26, grew unrestrictedly and completely covered the Fusarium colony. The antagonistic effect of Pseudomonas on F. oxysporum observed in this research can be attributed to the ability of antibiotic synthesis by Pseudomonas and also the ability to counter the toxic metabolites of Fusarium oxysporum.

DOI: https://doi.org/10.2478/v10207-012-0015-6 | Journal eISSN: 1338-4376 | Journal ISSN: 0551-3677
Language: English
Page range: 138 - 145
Published on: Jan 29, 2013
In partnership with: Paradigm Publishing Services
Publication frequency: 4 issues per year

© 2013 Poornima Sharma, published by National Agricultural and Food Centre
This work is licensed under the Creative Commons License.