Q.Guava Fruit Problem
Hi, this is a 2.5 years old guava tree with a lot of fruits, but 40% have developed a fruit problem that no one can identify. Im located in Central Fl. Zone 9 Tree in general looks healthy but fruit (pink guava variety) dosen’t look that good. Im attaching pictures for you to see and please let me know asap to save my crops Thank you very much

Certified GKH Gardening Expert
This is caused by Anthracnose, or Colletotrichum gloeosporioides. This is a widespread disease, and will affect many Genus and Species.
Here is an article that will help:
https://www.gardeningknowhow.com/plant-problems/disease/anthracnose-disease.htm