Good Resource for Tropical Asian Fruits
I am a member of the following yahoo group. It has some members who are very knowledgable about asian fruit trees and propogation techniques. One propogation technique to learn about, for instance, is double grafting. I recommend you join the group in digest mode or web-only mode, as the group has massive posting volume, much of it in tagalog. You can ask questions about fruits in English, though, and state that you only understand English, and the very top fruit experts in the Philippines will often respond in English.