Serological detection of a mixed viral infection in onion seed crop and possible measure for its management
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Authors
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Y.S. AHLAWAT and ANUPAM VARMA
Division of Plant Pathology, Indian Agricultural Research Institute, New Delhi 110 012
Keywords:
Onion yellow dwarf virus, rymovirus, electron microscopyAbstract
In December 1993, a serious outbreak of a virus-like disease was observed in onion seed crops in villages around Delhi and Haryana, India. Symptoms of the disease are described. The causal organisms were identified by immunosorbent EM as onion yellow dwarf potyvirus and a mite-borne rymovirus. This is a new record of this complex disease of onion. Reasons for the appearance of the disease are discussed.
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