Cultural variation of Macrophomina phaseolina isolates collected from Vigna mungo
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Authors
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T. PRAMEELA DEVI* and R.H. SINGH**
"National Centre for Integrated Pest Management, IARl Campus,. New Delhi 110 012
**Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi 110 012
Keywords:
Macrophomina phaseolina, fungal isolates, cultural variation, urdbeanAbstract
M. phaseolina was isolated from seeds of urdbean (Vigna mungo) obtained from Coimbatore and Tirunelveli (Tamil Nadu), Guntur and Machilipatnam (Andrah Pradesh), Kottayam (Kerala), Jaipur (Rajasthan), Parbani (Maharashtra), Ranchi (Bihar), Shillong (Maghalaya), Pantnagar (Uttar Pradesh) and New Delhi, India. Isolations were also made from the diseased urdbean plants (stems, roots and pods) collected from Coimbatore, Guntur, Jaipur and New Delhi. In all, 36 isolations were made and the cultures were purified by single hyphal tip culture method. These isolates were grouped into 3 types on the basis of their morphological characters.
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