International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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Original Research Articles                      Volume : 9, Issue:9, September, 2020

PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : /
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2020.9(9): 925-932

Evaluation of Fluorescent Pseudomonas sp. for their Activity against Plant Pathogenic Fungi in Replant Sites of Apple and Pear
Sheetal Rana1*, Rachna Rana2, Mohit3 and Mohinder Kaur4
1Department of organic agriculture and Natural Farming, CSKHPKV, Palampur176061 India
2Amity institute of Organic Agriculture, Noida (UP), India
3Department of Soil Science, CSKHPKV Palampur176061, India
4Department of Basic Science (Microbiology), Dr. Yashwant Singh Parmar University of Horticulture and Forestry, Nauni, Solan-173230 (HP), India
*Corresponding author

The aim of the study was to assess Pseudomonas sp. for their plant growth and antagonistic activity against most probable fungal pathogens associated with apple and pear plants viz., Dematophora sp., Fusarium sp., Pythium sp. and Sclerotium sp. These isolates were phenotypically and biochemically characterized from the rhizosphere of normal and replant sites of apple and pear from different locations of two districts of H.P i.e. Chamba and Mandi. The isolates of Pseudomonas sp. were screened out for the direct and indirect plant growth promoting activities viz., siderophores, phosphate solubilizing, HCN, ammonia, lytic enzymes and plant growth regulators viz., auxins, cytokinins and gibberellins so as to screen potential strains to be further developed and used as inoculants for management of replant problem of apple and pear. Out of twenty nine Pseudomonas sp. isolates, seven isolates were selected on the basis of overall best PGPR activities including antifungal activity for the extraction and isolation of antifungal metabolite DAPG (2,4-diacetylphloroglucinol) from them.

Keywords: Pseudomonas sp., PGPR, Replant problem, 2, 4-diacetylphloroglucinol, Antifungal activity

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How to cite this article:

Sheetal Rana, Rachna Rana, Mohit and Mohinder Kaur. 2020. Evaluation of Fluorescent Pseudomonas sp. for their Activity against Plant Pathogenic Fungi in Replant Sites of Apple and Pear.Int.J.Curr.Microbiol.App.Sci. 9(9): 925-932. doi:
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