General Burma
Posted
by: Mr Ye Aung
(2 points)
Posted: December 30, 2017
Posted
by: Dr. Ravishankar Narayana
(15 points)
Posted: January 2, 2018
Posted
by: Annu mishra
(1 point)
Posted: August 9, 2023
You should have uploaded the image of upper surface as asked by Dr. Ravishankar Narayana.
I think this is Alternaria Leaf Spot caused by Alternaria cucumerina. This occurs when the weather is wet for long period of time. Spraying chemicals like mancozeb (0.2%) or copper hydroxide would help keep the disease in check. Please visit https://www.farmingindia.in/watermelo... for more information regarding this disease. about 6 years ago.