Why are my Papaya tree leaves turning sickly? It is happening from the bottom up. Is this ordinary for...

It is happening from the bottom up. Is this ordinary for this to happen? I live surrounded by a tropical environment and the tree is in a big pot.

Thanks for your input.
One of the contemporary rose shrubs I planted...
Answers:    your watering it to much when you dampen a plant to much there leaves start to turn washed out.
Planting a brand new rose bush?
A common effect for yellow leaves is soil iron too low. Look up you plant to find it's iron requirements. I would start near.