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Crop Name:  Sunflower

Disease Image:  
Disease management in Agriculture
Disease Name:  Head Rot
Symptoms:  
  • Initial symptom appears as brown irregular water soaked spots on the back of ripening head usually adjacent to flower stalk.
  • Spotsgradually enlarge and become soft and pulpy andget covered with superficial white mycelium which later becomes black.
  • Some seeds of the rotted heads shed and those which remain in the head taste bitter.
Management:  
  • Spray Mancozeb@2g/lit in case of intermittent rainfall at the head stage
  • To have effective control of the disease, simultaneous application of compatible insecticide and fungicide beginning with the completion of flowering stage is suggested.
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