Gummy stem blight disease - a serious disease in Melons and Cucurbits

                        Gummy stem blight symptoms on leaves

Gummy stem blight (GSB) is one of the important disease of cucurbit crops, including watermelon, cucumber, pumpkin, squash, muskmelon, and other melons.


The fungus DIDYMELLA BRYONIAE is the causal organism for this disease.

                     Gummy stem blight in cucurbit crops


  • Gummy stem blight may occur in leaves, stems, plant crowns and fruit.
  • Stems get girdled and death of the plants are notices at severe infections.
  • Water soaked lesions on seedlings, leaves, cotyledons will develop with circular shapes.

                            Gummy stem blight in cucurbit crops

  • Lesions grow in size and blighting of leaves will be noticed later.
  • Melon and watermelon foliage is more susceptible to gummy stem blight than squash and pumpkin foliage. In watermelons and muskmelons, the severe foliar symptoms can result in sunburned fruit and smaller fruit size.

                              Stem blight on cucurbit fruits


Amistar 1 mL/L OR Tatamaster 2 gm/L OR Krilaxyl Power 0.5 gm/L OR Folio gold 2 mL/L OR Splash 2 gm/L OR Kocide 2 gm/L

    Control of Stem blight in cucumbers

For more information kindly call on 8050797979 or give missed call on 180030002434 during office hours 10 AM to 5 PM



Senior Agronomist, BigHaat.

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