Why Does the Watermelon Rind Discolor or Is Yellowish When Cut

Question

I notice a yellow color when I cut a melon.

Answer 1

It sounds like you may have Watermelon Rind Necrosis. It can cause yellowed or browned rinds. Here is more information:
http://www.growingproduce.com/uncategorized/pest-of-the-month-bacterial-rind-necrosis-of-watermelon/