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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(8): 367-374
DOI: https://doi.org/10.20546/ijcmas.2018.708.041


In Vitro Efficacy of Bacterial Endophytes against Pythium sp. Causing Soft Rot of Ginger in Meghalaya
Meshanki Bamon*, Dipali Majumder, Dwipendra Thakuria and Thangaswami Rajesh
Department of Plant Pathology, College of Post-Graduate Studies, Central Agricultural University (Imphal), Umiam-793103, Meghalaya, India
*Corresponding author
Abstract:

The present study was conducted to evaluate bacterial endophytes against Pythium spp. causing soft rot of ginger. Water soaked lesions at the emerging base and the collar region was the typical symptoms observed on infected plants. Sprout appeared pale yellowish and withering off of plant was seen and such rhizomes were rotten and emitted foul smell in which diseased plants came off with a gentle pull. Six potential bacterial endophytes viz., Alcaligenes sp. (GE-1), Bacillus cereus (GE-2), Bacillus sp. (GE-3), Bacillus sp. (GE-4), Bacillus sp. (GE-5), Bacillus thuringiensis (GE-6) were evaluated by dual culture assay and endophytes were successful in inhibiting the mycelial growth of the Pythium sp. causing soft rot of ginger. Of which, Alcaligenes sp. (GE-1) showed highest per cent inhibition of 80.98% followed by Bacillus sp. (GE-4) and Bacillus sp. (GE-5) of 78.89% and 77.33% inhibition respectively. The least inhibition was observed in Bacillus sp. (GE-3) with 64.89%. In vitro evaluation found that four isolates were highly effective as it gave more than 70% inhibition in growth of Pythium spp. Therefore these isolates can be used in consortia mode in field condition against ginger soft rot.


Keywords: Bacterial endophytes, Pythium, Ginger, Bacillus, Meghalaya
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How to cite this article:

Meshanki Bamon, Dipali Majumder, Dwipendra Thakuria and Thangaswami Rajesh. 2018. In Vitro Efficacy of Bacterial Endophytes against Pythium sp. Causing Soft Rot of Ginger in Meghalaya.Int.J.Curr.Microbiol.App.Sci. 7(8): 367-374. doi: https://doi.org/10.20546/ijcmas.2018.708.041