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Jatropha curcas Hope or Hype?

Jatropha curcas Hope or Hype?. Wagner Vendrame Associate Professor TREC, Homestead. Heller, 1996. What is Jatropha?. Family Euphorbiaceae Genus Jatropha : 170 species Jatropha curcas L. Physic Nut, Barbados Nut, Purging Nut, Curcas Bean Small tree or large shrub, 12-15ft tall

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Jatropha curcas Hope or Hype?

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  1. Jatropha curcasHope or Hype? Wagner Vendrame Associate Professor TREC, Homestead Heller, 1996

  2. What is Jatropha? • Family Euphorbiaceae • Genus Jatropha: 170 species • Jatropha curcas L. • Physic Nut, Barbados Nut, Purging Nut, Curcas Bean • Small tree or large shrub, 12-15ft tall • Perennial

  3. Diversity in the genus Jatropha

  4. B C A D E Diversity in the genus Jatropha; botanical illustration of Jatropha curcas (A); J. grossidentata (B), J. excisa (C), J. clavuligera (D), and J. weddeliana. Photos and illustration by B. Dehgan.

  5. a. flowering branch b. bark c. leaf venation d. pistillate flower e. staminate flower f. cross-section of immature fruit g. fruits h. longitudinal section of fruits i. seed (a - c and f- i from Aponte 1978; d and e from Dehgan 1984) (reprinted with Permission, Heller 1996)

  6. J. curcas belt oil palm belt J. curcas belt Global indication of the most suitable climates for J. curcas (30° N; 35° S) Claims and Facts on Jatropha curcas, (Jongschaap et al., 2007)

  7. Where can it be grown in FL? • Cultivated in the tropics as living fence • Zones 9-11 • Full sun • Drought tolerant • Marginal soils

  8. Jatropha curcas plantation in Mexico

  9. B A A. Bielenberg ram press for oil extraction from J. curcas seeds B. Soap production from J. curcas oil C. Perkins engine with generator converted to run on Jatropha oil C Photos courtesy of R. K. Henning

  10. Uses for Jatropha curcas (modified from Heller 1996).

  11. Renewable Energy Jatropha Crop Use in Vehicles Biofuel Production

  12. Biofuels

  13. Acknowledgements • CALS – UF • FDACS • Vecenergy, the energy division of the Vecellio Group

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