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Rice Grassy Stunt and Rice Grassy Stunt Virus (RGSV)

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Rice Grassy Stunt

1. Rice Grassy Stunt disease described by Rivera et al. (1966) and Bergonia et al. (1966). Virus characterized by Hibino et al. (1985).

2. Synonym for this virus is "Rice rosette virus" (Bergonia et al., 1966).

3. A virus with filamentous particles, many of them circular, with a modal contour length of 950-1350 x 6-8 nm.

4. It is transmitted in a persistent manner by green leaf hoppers, especially Nilaparvata lugens.

5. The host range is confined to Oryza spp. and Nilaparvata spp.

6. It is widely distributed in rice-growing countries in Asia, and economically important in the tropical and subtropical regions.

Rice Grassy Stunt Virus (RGSV)

1. Rice grassy stunt virus (RGSV) is a member of the Tenuiviruses.

2. It has fine filamentous particles, which are 6-8 nm in diameter.

3. It has a nodal contour length of 950-1,350 nm.

4. The particles have one capsid protein and the genome is made up of four single-stranded RNA.

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