Rice Tungaro Disease ( Rice tungro bacilliform virus(RTBV))

Symptoms

• Infection occurs both in the nursery and main field.
• Plants are markedly stunted.
• Leaves show yellow to orange discoloration and interveinal chlorosis.
• Young leaves are sometimes mottled while rusty spots appear on older leaves.
• Tillering is reduced with poor root system.
• Panicles are not formed in very early infection, if formed, remain small with few, deformed and chaffy grains.