Basal Rot

Onion

Name: Basal Rot

Scientific Name: Fusarium oxysporum f.sp. cepae

Crop: Onion

Description:

  • Yield loss of up to 50% can occur during severe infection.

Damage Symptoms:

  • Yellowing of leaves occurs, followed by drying.
  • The entire plant withers and dries completely.
  • Soft rotting of the bulb takes place, accompanied by root system decay.

Preventive Measures:

  • Treat bulbs before planting with benomyl 15% + Mancozeb 60%.
  • Remove infected plant debris as part of field sanitation.

Control Measures:

  • Perform soil drenching with COC-0.25%.