The California Avocado Commission:
http://www.avocado.org/
Mission Produce, Inc.:
http://www.missionpro.com/
Calavo Growers:
http://www.calavo.com/
USDA’s Animal and Plant Health Inspection Service (APHIS):
http://www.aphis.usda.gov/
UC Fruit & Nut Research and Information Center, Crop Information,
Avocado Index (University of California, Davis):
http://fruitsandnuts.ucdavis.edu/avo2.html