Rice ragged stunt virus
Causative agent: Rice ragged stunt virus
Symptoms:
- severe stunting during early crop stages
- green leaves with darker than normal color
- spiral shapes at the base of leaf blades.
- swollen, pale yellow or white to dark brown veins developing on leaf blades and sheath
- twisted, malformed flag leaves that are shortened at booting stage
- delayed flowering
- incomplete panicle emergence
- nodal branches forming at the upper nodes
- partially exerted panicles and unfilled grains.