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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 (2020)
[Effective from January 1, 2020]
For more details click here

ICV 2018: 95.39
Index Copernicus ICI Journals Master List 2018 - IJCMAS--ICV 2018: 95.39
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 2018: 95.39
NAAS RATING 2020: 5.38

Int.J.Curr.Microbiol.App.Sci.2018.7(1): 226-238
DOI: https://doi.org/10.20546/ijcmas.2018.701.025


Studies on Native Isolates of Fungal and Bacterial Bio-agents against Collar Rot of Chickpea
Jhumishree Meher1, Punam Kashyap2, Siddharth Shankar Sonkar2, S.N. Singh2 and Sanam Kumari3*
1Department of Mycology and Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
2Department of Plant Pathology, Jawaharlal Nehru Krishi Viswa Vidyalaya, Jabalpur, Madhya Pradesh, India
3Department of Plant Physiology, Institute of Agricultural Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
*Corresponding author
Abstract:

Sclerotium rolfsii Sacc, [teleomorph: Athelia rolfsii (Curzi)] causing collar rot of chickpea, is a devastating soil-borne fungus. It is reported almost all over the world with 10 to 30% yield loss is recorded annually according to severity of the disease. It is more serious at seedling stage causing plant mortality ranged from 54.7 to 95%. The present investigation was undertaken to find out bio-efficacy of twenty native isolates of Trichoderma spp. isolated from rhizospheric zone of eight different crops from different locations of Jabalpur by using serial dilution method against Sclerotium rolfsii and their effects on growth parameters of chickpea plant. In vitro screening of isolates (20) of Trichoderma spp. against Sclerotium rolfsii was done by dual culture technique with 87.41 and 39.78% of maximum and minimum per cent zone inhibition recorded with T- 20 and T- 7 isolate. On the basis of cultural and morphological characters best eight isolates; one from each host were selected for further studies in polyhouse. Tr- 7 was found to be most effective with minimum seedling mortality of 6.67%. Soil inoculation was found more effective as compared to seed treatment in controlling seed rotting as well as seedling mortality. In combination treatments some isolates of Trichoderma spp. were found to be synergistic (Tr- 2, Tr- 4, Tr-6, Tr- 7 and Tr- 8) whereas, some exhibiting antagonistic effect (Tr-1, Tr- 3 and Tr- 5) with Pseudomonas fluorescence.


Keywords: Chickpea, Trichoderma, Sclerotium rolfsii, Pseudomonas fluorescence, Collar rot
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How to cite this article:

Jhumishree Meher, Punam Kashyap, Siddharth Shankar Sonkar, S.N. Singh and Sanam Kumari. 2018. Studies on Native Isolates of Fungal and Bacterial Bio-agents against Collar Rot of ChickpeaInt.J.Curr.Microbiol.App.Sci. 7(1): 226-238. doi: https://doi.org/10.20546/ijcmas.2018.701.025