Partial characterization of an isometric virus causing sunflower necrosis disease
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Authors
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M. RAMIAH, A.I. BHAT, R.K. JAlN*, R.P. PANT, Y.S. AHLAWAT, K. PRABHAKAR and A. VARMA
Advanced Centre for Plant Virology, Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi 110 012
Keywords:
Sunflower necrosis disease, isometric virus, host range, physical properties, purification, electron microscopyAbstract
An isometric virus was established as the causal agent of necrosis disease of sunflower. The virus was purified from cowpea and identified by host range, particle morphology and infectivity test. The virus induced necrosis on leaves foUowed by necrosis on petioles, stems and floral calyx on sunflower cv. Morden upon mechanical inoculation from purified preparation. The exact identity of the virus remains to be determined.
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