Senna tora Gum production in Australia

  • 34 pages

  • Published: 1 Oct 2001

  • Author(s): Cunningham, David, Walsh, Kerry

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Senna tora/obtusifolia may be grown commercially for medicinal uses in Korea, but are presently harvested from the wild for gum production in India. The use of Senna tora/obtusifolia gum has been protected by a patent, held by B F Goodrich, however, this protection will lapse in 2002. There is the potential to initiate production in Australia, however, data was needed on the economic viability of such an undertaking under Australian conditions.

This study has recommended that commercial exploitation of this legume species for gum production requires a yield of at least 2.6 tonnes seed/ha at a farm gate price of $250/ha to achieve a gross margin to match that of wheat (or 2.0 tonnes/ha to match barley). These yields were not achieved in the glasshouse or field studies of this study, but there is potential to reach this level with attention to agronomic practice and varietal selection.