Legume Research

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Legume Research, volume 40 issue 4 (august 2017) : 748-755

Cultural and physiological variation among isolates of Fusarium udum (Butler) causing wilt of pigeonpea

Pawan Kumar Panwar, Vinod Kumar Gaur, Jagdish Prasad
1<p>Department of Plant Pathology,&nbsp;S.K. Rajasthan Agriculture University, Bikaner-3340 06, India</p>
Cite article:- Panwar Kumar Pawan, Gaur Kumar Vinod, Prasad Jagdish (2017). Cultural and physiological variation among isolates of Fusarium udum (Butler) causing wilt of pigeonpea . Legume Research. 40(4): 748-755. doi: 10.18805/ijar.v0iOF.7646.

The fourteen isolates of Fusarium udum (Butler) were studied for their discernible characters such as the colour of mycelium, pigmentation of substrate, type and amount of mycelia growth, sporulation, virulence and nutritional requirement. All the isolates were found to be pathogenic though they differed in the per cent disease incidence. The isolate DHO was highly virulent as compared to other isolates. The mycelial growth of 14 isolates of Fusarium udum (Butler) on Czapek’s dox agar basal medium with different carbon, nitrogen sources, temperature and pH varied.

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