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Useful Tropical Plants

Oryza ridleyi

Hook.f.

Poaceae

+ Synonyms

Oryza stenothyrsus K.Schum.

Common Name:

Oryza ridleyi
Pot-grown specimens of various species and cultivars of rice - Oryza ridleyi is the second from the leaf.
Photograph by: IRRI Photos
Creative Commons License

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 *  *
HabitPerennial
Height1.50 m
PollinatorsWind
Cultivation StatusWild

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.
Cite as: Tropical Plants Database, Ken Fern. tropical.theferns.info. 2021-01-21. <tropical.theferns.info/viewtropical.php?id=Oryza+ridleyi>

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