My young watermelons were affected by this disease. What could it be? How do I eliminate it?

Nelson Ojijo Blossom End Rot Calcium Deficiency Please check this link for more details and preventive measures.

Many thanks, Suresh. Where is the green link?

Hi Nelson Ojijo . Blossom End Rot Melon Fruit Fly Lets, click on green links, which I already If you given you in above section for checking symptoms and taking control measures from Plantix library.

Nelson Ojijo It’s for Blossom End Rot or Melon Fruit Fly. Please click the green links to see details information and take necessary action.

Many thanks. I am headed to buy the calcium foliar

Nelson Ojijo You are welcome.

Hi Nelson Ojijo Look inside the rotting fruits, if there are worms and click on this link : ذبابة فاكهة البطيخ