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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
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National Academy of Agricultural Sciences (NAAS)
NAAS Score: *5.38 (2019)
[Effective from January 1, 2019]
For more details click here

ICV 2017: 100.00
Index Copernicus ICI Journals Master List 2017 - IJCMAS--ICV 2017: 100.00
For more details click here

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PRINT ISSN : 2319-7692
Online ISSN : 2319-7706
Issues : 12 per year
Publisher : Excellent Publishers
Email : editorijcmas@gmail.com / submit@ijcmas.com
Editor-in-chief: Dr.M.Prakash
Index Copernicus ICV 2017: 100.00
NAAS RATING 2018: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(12): 1272-1277
DOI: https://doi.org/10.20546/ijcmas.2018.712.157


Phenotypic Identification of Promising Rhizospheric Antagonistic Microbes of Chilli (Capsicum annuum L.)
A. Thoyajakshi bai*1, Ch. Ruth1 and K. Dinesh2
1Department of plant pathology, College of Horticulture, Dr. Y. S. R. Horticultural university, Anantharaju peta, Y. S.R Kadapa, Andhrapradesh- 516105, India
2Department of plant pathology, College of agriculture, Central agricultural university, Imphal-795004, India
*Corresponding author
Abstract:

Biological control is known to be effective eco-friendly method for the management of crop diseases (Cook and Baker, 1983). Rhizosphere antagonists were isolated from healthy rhizosphere soil samples of chilli collected from major chilli growing areas of Andhra Pradesh. A total of 20 rhizosphere microbes were isolated. Out of which (eight fungal antagonists, ten bacterial antagonists and two fluorescent Pseudomonads) were found to exhibit antagonism against chilli wilt pathogen. On further in vitro evaluation, nine isolates including four fungi, four bacteria and one pseudomonas sp. were found to be most efficient against chilli wilt pathogen. Those rhizosphereic bacterial antagonists (RBA1, RBA 2, RBA 3 and RBA 4) and rhizospheric fluorescent pseudomonads (RFP1) which were found to be extremely efficient against Fusarium wilt pathogen in dual culture were further phenotypically identified based on the production of Siderophores, HCN and ammonia. Among them fluorescent pseudomonads RFP 1 was positive to siderophore, HCN and ammonia production.


Keywords: chilli, Rhizosphere antagonistic bacteria, HCN, Siderophores, Ammonia
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How to cite this article:

Thoyajakshi Bai, A., Ch. Ruth and Dinesh, K. 2018. Phenotypic Identification of Promising Rhizospheric Antagonistic Microbes of Chilli (Capsicum annuum L.).Int.J.Curr.Microbiol.App.Sci. 7(12): 1272-1277. doi: https://doi.org/10.20546/ijcmas.2018.712.157