Oryza ridleyi
Hook.f.
Poaceae
Oryza stenothyrsus K.Schum.
Common Name:
Pot-grown specimens of various species and cultivars of rice - Oryza ridleyi is the second from the leaf.
Photograph by: IRRI Photos
General Information
Oryza ridleyi is a clump-forming, perennial grass. The erect to semi-erect culms are around 1 - 2 metres tall[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
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). 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[
310- Title
- Plant Resources of Southeast Asia
- Publication
-
- Author
-
- Website
- http://proseanet.org/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- Lots of information on the uses of the plants of SE Asia.
,
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
Known Hazards
None known
Botanical References
Range
E. Asia - Myanmar, Thailand, Cambodia, Laos, Vietnam, Malaysia, Indonesia to New Guinea.
Habitat
Old secondary woodland, Dipterocarp forest, flooded rainforest, old rubber plantations, dense thickets, occ. in open spaces; found in marshes, riverbanks, by streams; usually in highly organic, friable soil like decaying tree trunks; to 200 metres[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
Properties
Edibility Rating | |
Other Uses Rating | |
Habit | Perennial |
Height | 1.50 m |
Pollinators | Wind |
Cultivation Status | Wild |
Cultivation Details
Prefers a position in moderate to deep shade[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
Edible Uses
Seed - cooked[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
]. Used in the same ways as ordinary rice[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
Medicinal
None known
Other Uses
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[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
Propagation
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[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
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[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
].
Surface sow the seed in light shade and do not allow to dry out. Seed should germinate within 7 days at 30°c[
1040- Title
- The Wild Relatives of Rice, A Genetic Resources Handbook
- Publication
-
- Author
- Vaughan D.A.
- Website
- http://irri.org/
- Publisher
- International Rice Research Institute; Philippines
- Year
- 1994
- ISBN
- 971-22-0057-4
- Description
- An excellent guide to the wild species of the genus Oryza. It gives good descriptions of the species, habitats etc and often gives details of uses. It can be downloaded from the Internet
]. 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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