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International Journal of Current Microbiology and Applied Sciences (IJCMAS)
IJCMAS is now DOI (CrossRef) registered Research Journal. The DOIs are assigned to all published IJCMAS Articles.
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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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Original Research Articles

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): 2772-2778
DOI: https://doi.org/10.20546/ijcmas.2018.712.314


In vitro Effect of Rhizobacterial Strains against Rice Root Knot Nematode Meloidogyne graminicola
Matcha Udaya Kumar*, R.K. Walia and R.S. Kanwar
Department of Nematology, CCS Haryana Agricultural University,Hisar, Haryana-125 004, India
*Corresponding author
Abstract:

Five rhizospheric bacterial cultures and cell free culture filtrates (CFs) (one strain of Gluconacetobacter diazotrophicus (35-47), two strains of Azotobacter chroococcum viz. AVK-51, HT-54: two strains of Bacillus spp. viz., RKB-91, RKB-65) were evaluated for larval mortality and egg hatching against rice root-knot nematodes (Meloidogyne gramincola) at CCS HAU Hisar. The obtained data revealed that, among five bacterial isolates the bacillus strain of RKB-91 (84.67% & 81.00%) were the most effective bacteria at S/2 concentration in both cultures and CFs respectively at 48 hr, followed by Bacillus Sp. RKB-65. The lowest mortality (05.00%) was observed in water mixture (control). whereas, these bacteria achieved the highest mortality percentages by more than 80%. Results also indicated that among all bacterial strains Bacillus Sp. RKB-91 showed most inhibitory effect (28.0 and 31.00) of egg hatching at S/2 concentration followed by bacillus Sp. RKB-65 (36.33 and 41.00) and Azatobacter Spp. in both cultures and cell free culture filtrates after 10 days respectively.. The maximum egg hatching was recorded in water (95%). It is revealed that all three factors viz, cultures, cell free culture filtrates and their concentrations significantly affected mortality and hatching individually.


Keywords: Rhizobacterial strains, Meloidogyne graminicola, In vitro
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How to cite this article:

Matcha Udaya Kumar, R.K. Walia and Kanwar, R.S. 2018. In vitro Effect of Rhizobacterial Strains against Rice Root Knot Nematode Meloidogyne graminicola.Int.J.Curr.Microbiol.App.Sci. 7(12): 2772-2778. doi: https://doi.org/10.20546/ijcmas.2018.712.314