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Rice Ragged Stunt Virus Disease in India. A. Ghosh, Virologist, All-India Coordinated Rice Improvement Project, Rajendranagar, Hyderabad 500 030, India. V. T. John, Senior Plant Pathologist, All-India Coordinated Rice Improvement Project, Rajendranagar, Hyderabad 500 030, India. Plant Dis. 64:1032-1033. Copyright 1980 American Phytopathological Society. DOI: 10.1094/PD-64-1032.

Rice ragged stunt virus was transmitted by Nilaparvata lugens (Stål) after 3 daysí incubation in the vector; the transmission pattern was intermittent. Inoculated plants showed disease symptoms after 18 days. Nymphs were more efficient transmitters than adult insects. Rice cultivar Ptb 18 and culture IET 6288 were resistant to the disease.