the racist implication would be the little black girl eating watermelon ,and most people of non color think that all black people eat watermelon but we dont....
hey im not a pro but it seems to me they are burnt , it's like when you were watering them some water got on them and by doing that the sun or the light you use burned it from the water getting hot...
the may still have a chance if you ask me just avoid getting them wet...