ISSN: 0973-7510

E-ISSN: 2581-690X

Open Access
R.K.Bannihatti1 , A.P. Suryawanshi1, N.D. Punitkumar2, J.K. Ganesh3, Kumar Lambani3 and Roop Singh1
1Department of Plant Pathology, Vasantrao Naik Marathwada Krishi Vidyapeeth, Parbhani- 431402, India.
2Technical Assistant, Dean PGS, University of Agriculture Horticultural Sciences, Shivamoga, India.
3Department Plant Pathology University of Agricultural Science, Dharwad, India.
J Pure Appl Microbiol. 2016;10(4):3111-3115
https://doi.org/10.22207/JPAM.10.4.86 | © The Author(s). 2016
Received: 29/03/2016 | Accepted: 21/05/2016 | Published: 31/12/2016
Abstract

Cultural characteristics viz., colony count, colony colour and colony shape of Ralstonia solanacearum on different period of time were studied in vitro using eight culture media. Highest average colony count was recorded on triphenyl tetrazolium chloride agar (65.33), white fluidal colonies with spiral pink centre and the minimum average colony count was recorded on yeast extract chalk agar (41.50) with irregular yellow color colonies. The bacterium showed positive reaction for solubility in KOH, production of catalase, motility test, hydrolysis of starch & casein and negative reaction for gram staining.

Keywords

Ralstonia solanacearum, Culture media, Biochemical Characteristics and Solanum lycopersicum

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