Assessment of Antagonistic Activity in PGPR Isolates against Alternaria solani causing Early Blight of Potato

Ashutosh Tiwari; Adesh Kumar; Minakshi; Shambhoo Prasad; D. K. Dwivedi; N. A. Khan; Arun Kumar; Ved Prakash; Jaipal; Sushil Kumar Singh; Pankaj Kumar; Abhimanyu Yadav

doi:https://doi.org/10.20546/ijcmas.2020.907.213

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Original Research Articles Volume : 9, Issue:7, July, 2020

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Int.J.Curr.Microbiol.App.Sci.2020.9(7): 1851-1855

DOI: https://doi.org/10.20546/ijcmas.2020.907.213

Assessment of Antagonistic Activity in PGPR Isolates against Alternaria solani causing Early Blight of Potato

Ashutosh Tiwari¹, Adesh Kumar^1*, Minakshi¹, Shambhoo Prasad¹, D. K. Dwivedi¹,N. A. Khan¹, Arun Kumar², Ved Prakash³, Jaipal⁴, Sushil Kumar Singh⁵, Pankaj Kumar⁶ and Abhimanyu Yadav⁷

¹Department of Plant molecular Biology and Genetic Engineering, ANDUAT Kumarganj, Ayodhya -224229, India
²PBR Agriculture college, Gausganj, Hardoi, India
³Department of Soil Science, ANDUAT, Kumarganj, Ayodhya -224229
⁴UPCAR, Lucknow, India
⁵Department of Plant Pathology, ANDUAT Kumarganj, Ayodhya -224229, India
⁶Directorate of Extension, ANDUAT Kumarganj, Ayodhya -224229, India
⁷Department of Soil Science & Agril Chemistry, P G. College Ghazipur U.P India

^*Corresponding author

Abstract:

In the present study, the fungus was isolated from infected leaf of potato and identified as Alternaria solani. Twenty four bacterial strains isolated from potato rhizosphere on PDA media. The screening of all 24 potato rhizosphere isolates for IAA, phosphate solubilization, Insecticide tolerance, salt tolerance, antibiotic sensitivity and ammonia production was performed. Out of these isolates, only four isolates (5, 15, 16 and 23) showed high inhibitory effect on the pathogenic fungus in dual culture. PGPR isolate no 5 showed highest 95% inhibition against Alternaria solani.

Keywords: Antagonistic Activity, Alternaria solani Early Blight of Potato

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Ashutosh Tiwari, Adesh Kumar, Minakshi, Shambhoo Prasad, D. K. Dwivedi, N. A. Khan, Arun Kumar, Ved Prakash, Jaipal, Sushil Kumar Singh Pankaj Kumar and Abhimanyu Yadav. 2020. Assessment of Antagonistic Activity in PGPR Isolates against Alternaria solani causing Early Blight of Potato.Int.J.Curr.Microbiol.App.Sci. 9(7): 1851-1855. doi: https://doi.org/10.20546/ijcmas.2020.907.213

Copyright: This is an Open Access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike license.

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