By the looks of it, seems like you have a potassium problem. Next time you fertilize, try using something with a higher 3rd number, like 10-10-30. The 3 numbers stand for N-P-K, Nitrogen-Phosphorus-Potassium. According to my guide book (Agriculture Text book), yellowing and browning of leaves with enlarged veins are signs of (K+) deficiency.

Maulrat
Maulrat Reviewed by Maulrat on . is my girl ill? there are some problems on the leaves for one week. they become partly yellowish and have brown color on some of them. do u have an idea? is it an illnes? or is it maybe that the soil is not enough. I was up to put into bigger pot those days. I moved to a flat where she gets less sunlight then before thanks for help Rating: 5