Banana Catalog (TARS/Brian Irish)
Fantastic resource! File is large and can be slow to load
Banana Forum
Great place to ask questions and trade plants
Promusa
Good search feature to learn more about bananas
Honduran Foundation for Agricultural Research
Primarily in Spanish but second link has fact sheets in English
Banana Nutritional Deficiencies
This site has great photos (note fig. 22 shows Sigatoka fungus damage)
IFAS Information on Growing Bananas in Florida
Banana Fertilizer (if not using compost circles and wood ash)
http://www.diamond-r.com The Homestead, FL location carries banana fertilizer
Southern Ag - dolomite or gypsum, mighty grow, minor elements
Banana Macro Propagation
Books About Bananas