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Details for: PI 446925,
Oryza sativa
L., 'IR 50'
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Oryza sativa
L.
Cultivar:
'IR 50'
Origin:
Developed – Calabarzon (Region IV-A), Philippines
Maintained:
National Small Grains Collection
Received by NPGS:
Sep 1980
PI Assigned:
1980
Improvement Status:
Cultivar
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Backup Location:
National Laboratory for Genetic Resources Preservation
Inventory Volume:
188
View original Plant Inventory data in pdf format
Availability
Form
Quantity
Note
Inventory
Cart
Seed
5 gram
PI 446925 OR07AR SD
Images
(3
total. Click on image for more.)
Core Passport Data
Taxonomy:
Oryza sativa
L.
Cultivar:
'IR 50'
Origin:
Developed – Calabarzon (Region IV-A), Philippines
Maintained:
National Small Grains Collection
Received by NPGS:
Sep 1980
PI Assigned:
1980
Improvement Status:
Cultivar
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Developed
1980.
Laguna Province, Calabarzon (Region IV-A), Philippines
Developer(s):
International Rice Research Institute
Accession Names and Identifiers
'IR 50'
Type: Cultivar name
International Rice Research Institute
'IR50'
Type: Cultivar name
International Rice Research Institute
IR 9224-117-2-3-3-2
Type: Institute identifier
International Rice Research Institute
Gpno 20159
Type: Institute identifier
Group: GPNO
Stuttgart, AR number assigned 1984-1986.
Narrative
Oryza sativa
L.
Genus:
Oryza
Section:
Oryza
Subsection:
Oryza
Family:
Poaceae
(alt. Gramineae)
Subfamily:
Oryzoideae
Tribe:
Oryzeae
Subtribe:
Oryzinae
Nomen number:
26077
Place of publication:
Sp. pl. 1:333. 1753
Protologue link:
https://biodiversitylibrary.org/page/358352
Comment:
some seed lots of domesticated rice may contain contaminants of a noxious weed hybrid-form that are not distinguishable by seed visualization, which is responsible for the rice-growing state's noxious-weed seed regulations indicated below
Typification:
View in Linnean Typification Project
Verified:
05/11/1992
by ARS Systematic Botanists.
Other conspecific taxa
Autonyms (not in current use), synonyms and invalid designations
Autonym(s)
Oryza sativa
L. f.
sativa
Oryza sativa
L. subsp.
sativa
Oryza sativa
L. var.
sativa
Heterotypic Synonym(s)
Oryza glutinosa
Lour.
Oryza sativa
L. var.
erythroceros
Körn.
Oryza sativa
L. var.
italica
Alef.
Oryza sativa
L. var.
vulgaris
Körn.
Oryza sativa
L. var.
zeravschanica
Brches ex Katzaroff, nom. nud.
Oryza sativa
L. subsp.
indica
Kato
Oryza sativa
L. var.
affinis
Körn.
Oryza sativa
L. var.
melanacra
Körn.
Oryza sativa
L. var.
flavoacies
Kara-Murza ex Zhuk.
Oryza sativa
L. var.
suberythroceros
Kanevsk
Oryza sativa
L. subsp.
japonica
Kato
Oryza sativa
L. var.
japonica
auct.
Oryza communissima
Lour.
Oryza formosana
Masam. & Suzuki
Oryza montana
Lour.
Common names
Language
Name
Alternate name
note
seq
Citation
English
Asian rice
1
Hanelt, P., ed.
2001.
Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
English
lowland rice
1
Hanelt, P., ed.
2001.
Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
English
rice
1
Wiersema, J. H. & B. León.
1999.
World economic plants: a standard reference
CRC Press, Boca Raton, FL.
English
upland rice
1
Hanelt, P., ed.
2001.
Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Arabic
rozz
2
Boulos, L.
1999-. Flora of Egypt
French
riz
2
Rehm, S.
1994. Multilingual dictionary of agronomic plants
German
Reis
2
Rehm, S.
1994. Multilingual dictionary of agronomic plants
India
chavel
2
Rehm, S.
1994. Multilingual dictionary of agronomic plants
Italian
riso
2
Hanelt, P., ed.
2001.
Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Japanese Rōmaji
ine
2
Batra, L. R.
1995. Names of Japanese plants sorted by their Japanese names in Romanized Katakana and scientific nomenclature
Portuguese
arroz
2
Rehm, S.
1994. Multilingual dictionary of agronomic plants
Spanish
arroz
2
Rehm, S.
1994. Multilingual dictionary of agronomic plants
Swedish
ris
2
Aldén, B., S. Ryman, & M. Hjertson.
2012.
Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinese
dao
2
Wu Zheng-yi & P. H. Raven et al., eds.
1994-.
Flora of China (English edition).
Name
References
Annotations
Other Links
Actions
Pathogens
Vouchers
Citations
Narayanan, N. N. et al.
2002. Molecular breeding for the development of blast and bacterial blight resistance in rice cv. IR50. Crop Sci. (Madison) 42:2072-2079.
DOI:
10.2135/cropsci2002.2072
.
Number of accessions cited:
1
Wang, Z. et al.
1989. Inheritance of partial resistance to blast in indica rice cultivars. Crop Sci. (Madison) 29:848-853.
DOI:
10.2135/cropsci1989.0011183X002900040002x
.
Number of accessions cited:
4
Pedigree
Date released:
1980
Description:
IR 2153-14-1-6-2/IR 26//IR 2070-625-1
Material Transfer Agreement
Observations
Phenotype Data
Category
Descriptor
Description
Value
Sample Size
Study
Inventory
Availability
DISEASE
Straight Head
Reaction to Straighthead, a physiological disease resulting in malformed panicles.
4 - 10% MALFORMED PANICLES
RICE.STRAIGHTHEAD.STUTTGART.88
PI 446925 OR86AR SD
Not Available
GROWTH
Plant Height 2
Plant height measured in centimeters from the soil surface to the middle of extended panicles. Actual values. See also related descriptor Plant Height 1.
82
RICE.AGRON.STUTTGART.88
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Plant Type - Culm Angle
Culm Angle, rice direct-seeded in rows.
3 - INTERMEDIATE
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Panicle Type
Panicle type classified according to their mode of branching, angle of primary branches, and spikelet density.
5 - INTERMEDIATE
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Grain Type
Grain Type, classes according to USDA grading standards for brown rice.
3 - LONG-GRAIN (AVG. LENGTH: 6.61 - 7.50 mm) (AVG. LENGTH/WIDTH RATIO: OVER 3.0)
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Hull Color
Hull color (Lemma and Palea) when terminal spikelets are ripened
2 - STRAW
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Hull Cover
Pubescence of lemma or palea
4 - SHORT HAIRS THROUGHOUT
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Sterile Lemma Color
Color of sterile lemma - often called outer glumes or bracts at the base of the spikelet.
1 - STRAW (YELLOW)
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Awn Type
Amount and extent of awns.
0 - ABSENT
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Lodging
Estimated amount of plant lodging near maturity.
3 - 21 - 30% LODGED
RICE.REJUV.STUTTGART.84.86
PI 446925 OR86AR SD
Not Available
MORPHOLOGY
Bran Color
Color of seed coat (bran/pericarp) when fully mature and dry.
2 - LIGHT BROWN
RICE.LAB.ABERDEEN.92
PI 446925 OR86AR SD
Not Available
PHENOLOGY
Days to Flower
Days from emergence to flowering. Actual values. See also related descriptor Days to Anthesis.
110
RICE.AGRON.STUTTGART.88
PI 446925 OR86AR SD
Not Available
PRODUCTION
Ratooning
Regrowth from stubble
1 - NO GROWTH
RICE.AGRON.STUTTGART.88
PI 446925 OR86AR SD
Not Available
STRESS
Salt Tolerance
Germination and seedling growth in a saline solution. (# live seedlings/# GERMINATED) X (# live + # dead seedlings/# germ). [0 = Sensitive, 10 = Tolerant]
1.7
RICE.SALT.FAYETTEVILLE.90
PI 446925 OR86AR SD
Not Available
STRESS
Allelopathy - Ducksalad
Exhibits allelopathic activity to ducksalad with radius of reduced weed growth greater than 10 centimeters.
N - None
RICE.DUCKSALAD.STUTTGART
PI 446925 OR86AR SD
Not Available