Oryza abromeitiana Prodoehl
Oryza filiformis Buch.-Ham. ex Steud.
Oryza granulata Nees & Arn. ex Watt
Oryza indandamanica J.L.Ellis
Oryza triandra B.Heyne ex Steud.
Padia meyeriana Zoll. & Moritzi
Oryza meyeriana is a clump-forming, perennial grass with short rhizomes. The erect culms are up to 1 metre tall[
Because they are a source of resistance to, or tolerance of, biotic and abiotic stresses, the most important use of the various species of wild rice is probably in breeding programmes to improve the species of cultivated rice (Oryza sativa, Oryza glaberrima). This species is also used traditionally as a contraceptive. In many parts of South Asia, wild rice grains are used as an offering to Deities in the temples and can command a high price in the market where they are sold during religious festivals[
E. Asia - China, India, Sri Lanka, Bangladesh, Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia, Indonesia, Philippines
Dense shade in deciduous forests; bamboo thickets; rarely on grassy slopes; limestone hills and mountains; growing in damp places by streams and waterholes, sloping land, avoiding standing water; at elevations to 950 metres[
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Grows wild in dense shade[
]. Found in the wild on sandy, lateritic soils and organic loamy soils[
Plants can be in flower in all months of the year and are insensitive to photoperiod[
The plant is used as a contraceptive[
Because they are a source of resistance to or tolerance of biotic and abiotic stresses, the most important use of the various species of wild rice is probably in breeding programmes to improve the species of cultivated rice[
Seed. The seed of wild rice less than 12 months old often exhibits strong dormancy, which implies (though this has not been established) that the seed retains its viability for a considerable period[
Heat treatment is generally effective in breaking dormancy - alternating temperatures between 34°c for 16 hours then 11°c for 8 hours is usually effective, though the time taken varies between species[
Surface sow the seed in light shade and do not allow to dry out. Seed should germinate within 7 days at 30°c[
]. Prick out 2 - 3 seedlings into individual pots when large enough to handle - grow on until large enough to plant out.
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