Seedling blight

Seedling blight
    Causal organism: Rhizoctonia solani Kuhn
    Symptom
    • This disease infects mostly the seedlings.
    • Symptoms start from the tip of the leaf with a chlorotic lesion. Mycelial growth of the fungus can be easily seen at the lower or undersurface part of the leaves.
    • Seedling blight of rubber is caused by a complex of possibly R. solani (hyphal strands below right) associated with the nematodes present inside infected stem of budded rubber seedlings. Discoloration and rotting of the vascular tissues has also be noticed.
    Management
    • Seed treatment with carbendazm @ 2g\kg seed
    • Give drenching spray with carbendazim (0.1%)

Last modified: Thursday, 29 December 2011, 6:29 AM