I come from the tropical and temperate climate of Southeast Asia. I have a lovely Ficus Religiosa that sprouted in a small pot on my balcony naturally at about March this year. I transplanted it to a bigger pot using a rich potting soil mix shortly after, and the tree has grown much in the months ever since.

Recently, its come under attack from some disease which I cannot really identify. Attached here is a photo taken directly from my tree.

necrotic leaf

From my research, it looks like a sort of leaf blotch disease, but the underlying pathogen might be different. Furthermore, the paper I've referenced doesn't seem to give much practical advice on a treatment plan. The treatement routine might be non-trivial, as it requires removing dead leaves to prevent spreading of the pathogen.

Help please!

  • This looks like fertilizer burn. Too much fertilizer. What was in the soil you used? Potting soil? Tell us everything you did when you transplanted this plant and how long was it after you transplanted that you saw the beginning of this...leaf blotch. Did you use potting soil from a bag? How big is the pot to the size of your plant? Did you put anything else in that pot besides sterilized potting soil and your plant? How do you water? Has this plant stayed in doors or is it out of doors or both? I do not see a pathogen at all with this one picture! Please send more?
    – stormy
    Oct 21 '17 at 2:32
  • Here are some more pictures: drive.google.com/drive/folders/0B1mlfm28WkfKR2gzTjN4MEpxNGM
    – AKKA
    Oct 21 '17 at 2:38
  • there are these suspicious black nodules near the leaf stems, if you see the picture in my post there is also one in it...
    – AKKA
    Oct 21 '17 at 2:39
  • The black thing looks like scale. Could be the vector of virus which is another possibility with these yellow splotched leaves. Please tell us more such as what fertilizer you used, what kind of soil (was it sterilized potting soil). What do you mean by 'Rich Soil'? How long has this condition been going on? When was the last time it was green? Do you have other house plants? Have you put this plant out of doors within the last few months? Do you smoke tobacco? (Mosaic Virus).
    – stormy
    Oct 21 '17 at 2:50

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