Florida’s New Fountain of Youth ! Dr. Norman C. Leppla University of Florida Institute of Food and Agricultural Sciences.

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Presentation transcript:

Florida’s New Fountain of Youth ! Dr. Norman C. Leppla University of Florida Institute of Food and Agricultural Sciences

Naples Children and Education Foundation - Wine Auction

Naples Art Gallery’s Wine Vessels

Why Grapes?  World’s most valuable fruit crop  10–12 th most valuable crop in U.S.  Florida is the 2 nd greatest consumer of grape products in the U.S.  But, Florida must import most grape products  Florida’s NEW fountain of youth!

Grape Research at IFAS  Health benefits  Food Processing  Integrated Pest Management  Plant Breeding

ALACHUA COUNTY COOPERATIVE EXTENSION SERVICE "Helping people to improve the quality of their lives."

Wine and Your Health ?  IFAS grape research- native muscadines  Food Science and Human Nutrition  Heart disease and cancer- polyphenols  Antioxidents prevent free radical damage  Research from animals to humans

Dr. Dennis Gray

Dr. Jimmy Cheek Dr. Sue Percival

Carol Leppla

Pierce’s Disease The entire vine dies due to disruption of water flow in the trunk

Pierce’s Disease   Endemic in Florida and California  Caused by the bacterium, Xylella fastidiosa  Xylem limited and infects a wide range of plants  Lethal to all Vitis vinifera varieties  Transmitted primarily by leaf hoppers

Pierce’s Disease Leaf Hopper

Glassy-winged sharpshooter Homalodisca coagulata

UF, IFAS, Mid-Florida Research & Education Center

In Vitro Selection of Grape  Rapid selection of resistant plants  Rapid identification of novel proteins  Rapid identification of useful genes

Germination of Grapevine Somatic Embryos in Conditioned Medium Susceptible Resistant

Susceptible Grape Plants from Embryos Resistant

Pierce’s Disease Tolerant Vines

Southwest Florida Horticulture Learning Center

Dr. Dennis Gray & Jeanne Burgess