How to control Alternaria leaf spot disease in watermelon crop

How to control Alternaria leaf spot disease in watermelon crop
  • Alternaria leaf spot disease is seen in watermelon after sowing of the crop.
  • In this disease, brown colored round spots appear on the leaves and these spots grow slowly and eventually the affected leaves dry up and fall.
  • For prevention of this disease, spray  Carbendazim 12% + Mancozeb 63% WP @ 300 gram/acre or Ketazine @ 300 gram/acre
  • Spray of Trichoderma viride @ 500 gram/acre as a biological treatment.
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