Root and Foot rot

Root & Foot rot

    Causal organism : Corticium solani
    Symptoms
    • On leaves brownish black discoloration. Then completely affected leaves detached from the stem.
    • On root it colonizes and rotting of the roots is the final symptom
    • It also colonizes and causes foot rot
    Aetiology
    • Septate mycelia, sclerotial bodies are vegetative stage asexual spore are mycelial strands, sexual spores are besidiospores
    Epidemiology
    • Cool weather, Temperature 18-22oC,Relative Humidity 75-90%, optimum soil moisture.
    • Primary Sources of Inaculam: Sclerotial bodies present in debris.
    • Secondry Sources of Inaculam: Mycelial strands, Basidiospores.
    Management
    • Affected debris destruction
    • Summer ploughing
    • Crop rotation
    • Soil sterilization
    • Biological agent
    • Carbendizim 0.1% or Mancozeb 0.25% as soil drenching.

Last modified: Thursday, 1 March 2012, 9:20 AM