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Life Sciences

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ISSN  2320-964X (Online) 

ISSN 2320-7817  (Print)

Type - Quarterly 

 

Original Research

   Year 2013 |  Vol. 1 | Issue 2 | Page Nos. 81-88

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Adaptability of Macrophomina phaseolina isolates of  pigeonpea (Cajanus cajan L.) to different temperature and pH.

 

KAUR SURINDER1, CHAUHAN VIJAY BAHADUR1, BRAR SATINDER KAUR2 AND  

DHILLON GURPREET SINGH*.


1Department of Mycology & Plant Pathology, Institute of Agricultural Sciences, Banaras Hindu University (BHU), Varanasi-221005, India.

2INRS-ETE, Université du Québec, 490, Rue de la Couronne, Québec, Canada G1K 9A9.


*Corresponding author: Dr. Gurpreet Singh Dhillon, (PhD.)  Institut national de la recherche scientifique Centre (INRS), Eau, Terre & Environnement (ETE), Université du Québec, 490 de la Couronne, Québec (Qc), G1K 9A9, Canada.

E-mail: garry_dhillons@yahoo.com

 

© 2013|IJLSCI. All right reserved 

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Sixty-one isolates of Macrophomina phaseolina were isolated and studied for their adaptability to different temperature and pH. Higher relative growth rate was observed at 30 oC followed by 35 oC. Similarly, Higher mean dry mycelial weight at pH 6 and 7, clearly indicated the preference of isolates to particular range of pH. Different nitrogen sources were found to have a significant effect (p≤0.01) on the physiology of M+ and M- isolates of M. phaseolina.

 

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