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Horticultural crops :: Vegetables:: Tomato

Fusarium Wilt :Fusarium oxysporum f. sp. lycopersici

Symptom

  • The first symptom of the disease is clearing of the veinlets and chlorosis of the leaves.
  • The younger leaves may die in succession and the entire may wilt and die in a course of few days. Soon the petiole and the leaves droop and wilt.
  • In young plants, symptom consists of clearing of veinlet and dropping of petioles. In field, yellowing of the lower leaves first and affected leaflets wilt and die.
  • The symptoms continue in subsequent leaves. At later stage, browning of vascular system occurs. Plants become stunted and die.
 
Healthy plant
Affected   plants

Management

  • The affected plants should be removed and destroyed.
  • Spot drench with Carbendazim (0.1%)
  • Crop rotation with a non-host crop such as cereals.

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