Citrus fruit - The different varieties.: Fruit, citrus fruit. Information about the citrus fruits. Nutritional values, use, storage, history, and particular characteristics.
Citrus Horticulture Program at SWFREC: We serve the extension and applied research needs for 179,093 acres of commercial plantings in the Southwest Florida Gulf Coast region.
Citrus Research & Education Center: University of Florida research, teaching and extension center devoted to citrus, addressing issues in horticulture, pests and diseases, and processing technology. Information about departments and facilities, list of publications.
Citrus Research International: Description of the research projects, the facilities and services offered and contact details.
Citrus Varieties and Rootstocks: Species descriptions and cultivation practices.
Florida Citrus: Geared toward the consumer, this site provides nutrition, recipe, and purchasing information, along with links.
Nagpur Mandarin: Information for citrus growers in central India. Includes fertiliser applications, pest and disease management.
NSW Agriculture Citrus Info: latest citrus research news, citrus contacts. As well as detailed information on growing citrus.
NSW Department of Primary Industries: Citrus: Collection of articles by Australian governmental agency on cultivating citrus, pests and diseases, soil management, and managing fruit quality.
Texas Citrus: Information and resources for citrus growers.
The Ultimate Citrus Page: Information and links regarding anything citrus related, from agriculture to weather.