Symptoms and treatment of gummy stem blight disease in watermelon crop

  • The symptoms of Gummy stem blight first appear on the leaves and then on the stem in the form of dark brown spots. 

  • The lesions often develop first at the leaf margin but eventually spread over the entire leaf. 

  • The symptoms of Gamosis blight on the stem are visible as lesions. They are circular in shape and are brown in colour.

  • The main symptom of Gamosis blight or gummy stem blight is that the stem affected by this disease produces a sticky substance like gum.

  • For prevention of this disease use Kasugamycin 5% + Copper Oxychloride 45% WP [Conika] @ 300 gram/acre or Chlorothalonil 75% WP [Jatayu] @ 300 gram/acre or Tebuconazole 25.9% EC [Lark] @ 200 ml/acre 

  • Use Pseudomonas fluorescens [Monas curb] @ 250gm /acre every month as biological treatment.

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