Difference between revisions of "Kava"
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It is a hardy, slow growing Perennial reaching heights of more then 3 meters. It is harvested for its rootstock or stump with Monopedial stems with sympodial branches growing from the stump. The stump is knotty, Think, and sometimes tuberous. From this rootstock extends laterally up to 3 meteres long. Rootstock color varies between white to dark yellowdepending upon the amount of kavalactones that are contained in the lemon yellow resin. | It is a hardy, slow growing Perennial reaching heights of more then 3 meters. It is harvested for its rootstock or stump with Monopedial stems with sympodial branches growing from the stump. The stump is knotty, Think, and sometimes tuberous. From this rootstock extends laterally up to 3 meteres long. Rootstock color varies between white to dark yellowdepending upon the amount of kavalactones that are contained in the lemon yellow resin. | ||
| − | =Cultivation== | + | ==Cultivation== |
Although kava does produce flowers it is incapable of reproducing sexually; its propagation is vegetatively and is dependent solely on human effort. Farmers take cuttings from existing stems off harvested plants and planted i the ground somewhat sideways. New growth occurs at the stem bud at the axil of a lateral branch scar. An upright shoot develops, and then axillary buds and lateral axes appear. In the same way the root stock develops. | Although kava does produce flowers it is incapable of reproducing sexually; its propagation is vegetatively and is dependent solely on human effort. Farmers take cuttings from existing stems off harvested plants and planted i the ground somewhat sideways. New growth occurs at the stem bud at the axil of a lateral branch scar. An upright shoot develops, and then axillary buds and lateral axes appear. In the same way the root stock develops. | ||
Choose a site away from prevailing winds air currents can damage kava stems and rootstock, making them susceptible to disease. Shade must be provided during the first 30 months of growth. Along with adequate shade and protection from the wind, kava requires fairly high average temperatures (20-35c) and high humidity (70-100%). Kave grows best in deep, friable, well-draining soils that are rich in organic matter. The plant is very nutrient demanding. Highest yields are obtained on silica-clay soils with a pH OF 5.5-6.5 good drainage is essential. | Choose a site away from prevailing winds air currents can damage kava stems and rootstock, making them susceptible to disease. Shade must be provided during the first 30 months of growth. Along with adequate shade and protection from the wind, kava requires fairly high average temperatures (20-35c) and high humidity (70-100%). Kave grows best in deep, friable, well-draining soils that are rich in organic matter. The plant is very nutrient demanding. Highest yields are obtained on silica-clay soils with a pH OF 5.5-6.5 good drainage is essential. | ||
Revision as of 17:21, 9 January 2013
Kava or Piper Methysticum is a pacific island plant in the same genus as the common pepper plant in the family Piperaceae. It is know as Awa, Ava Yaqona and sakau on other islands with many variations depending on whet island it originated from. The root of this plant has been and is still to this day consumed by many pacific islanders from New Guinea all the way to Hawaii and down into french Polynesia. Its primary use is as a sedative and a anxiolytic with many other tradional medicinal remedies. The primary active ingredients are in the root and are a series of kavalactones witch is concentrated in the roots but found also in lower amounts in the leaves and stems. The roots can be used fresh by maceration and cold water infusion or more popularly dried and stored for better shelf life and used in cold or warm water extractions. There is on going debate whether or not kava and its kavalactones have a hepatoxicity mainly to the liver due to unwanted chemicals from the leaves or extracted from the roots due to solvent based extracts.
Morphology
Piper Methysticum is a member of the pepper family, Piperaceae, which belongs to the order Piperales in the class Dicotyledonae. Ten of these in the Piperaceae species are products of human consumption used as spices or medicinal drugs. these include:
- P. nigrum (Pepper), one of the oldest known spices,
- P. betle
- P. cubeba (java pepper or tailed pepper), a plant native to indonesia wich was formerly used as a medicine and now as a spice.
It is a hardy, slow growing Perennial reaching heights of more then 3 meters. It is harvested for its rootstock or stump with Monopedial stems with sympodial branches growing from the stump. The stump is knotty, Think, and sometimes tuberous. From this rootstock extends laterally up to 3 meteres long. Rootstock color varies between white to dark yellowdepending upon the amount of kavalactones that are contained in the lemon yellow resin.
Cultivation
Although kava does produce flowers it is incapable of reproducing sexually; its propagation is vegetatively and is dependent solely on human effort. Farmers take cuttings from existing stems off harvested plants and planted i the ground somewhat sideways. New growth occurs at the stem bud at the axil of a lateral branch scar. An upright shoot develops, and then axillary buds and lateral axes appear. In the same way the root stock develops. Choose a site away from prevailing winds air currents can damage kava stems and rootstock, making them susceptible to disease. Shade must be provided during the first 30 months of growth. Along with adequate shade and protection from the wind, kava requires fairly high average temperatures (20-35c) and high humidity (70-100%). Kave grows best in deep, friable, well-draining soils that are rich in organic matter. The plant is very nutrient demanding. Highest yields are obtained on silica-clay soils with a pH OF 5.5-6.5 good drainage is essential.
