Garden Pests and Diseases: Leaf spots in a Pseudobombax ellipticum seedling, 1 by Canariensis

Canariensis wrote:
Hello, friends,

A couple of weeks ago a friend of mine gave me a little Pseudobombax ellipticum, she had started from seed. It's been a couple of days since it started to get a lot of spots in its new leaf. I'm somewhat worried, just in case it could be something serious that could finally affect the whole plant, specially being so small. It was germinated using the "tupper method" and transplanted into a Jiffy peat pellet, and then again transplanted into a small pot, with a mix of peat and normal substrate. I haven't watered it a lot, just sprinkled it with water at night. It has been outdoors, with a temperature of around 25 degrees Celsius (around 77 F) and not much sun lately. What I first did is reduce the watering a little. I see that its roots are mostly surface roots.

Dos anyone know what it could be and what steps should I take to solve it?

This is a plant that is very rare around here and I wouldn't like to lose it.

Thanks a lot.

Here is a picture of its new leaf: