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Details for: PI 469315,
Oryza sativa
L., Megadiw
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Oryza sativa
L.
Top Name:
Megadiw
Origin:
Collected – Cagayan Valley (Region II), Philippines
Maintained:
National Small Grains Collection
Received by NPGS:
Jul 1982
PI Assigned:
1982
Improvement Status:
Landrace
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Backup Location:
National Laboratory for Genetic Resources Preservation
Inventory Volume:
190
View original Plant Inventory data in pdf format
Availability
Form
Quantity
Note
Inventory
Cart
Seed
5 gram
PI 469315 OR08AR SD
Images
(2
total. Click on image for more.)
Core Passport Data
Taxonomy:
Oryza sativa
L.
Top Name:
Megadiw
Origin:
Collected – Cagayan Valley (Region II), Philippines
Maintained:
National Small Grains Collection
Received by NPGS:
Jul 1982
PI Assigned:
1982
Improvement Status:
Landrace
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Collected
Cagayan Valley (Region II), Philippines
Donated
July 1982.
Donor(s):
USDA, ARS
Accession Names and Identifiers
Megadiw
Type: Local name
WC 10268
Type: Institute identifier
Narrative
Duplicate accession - see PI 373168 for detailed passport data.
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
Pedigree
Material Transfer Agreement
Observations
Phenotype Data
Category
Descriptor
Description
Value
Sample Size
Study
Inventory
Availability
CHEMICAL
Amylose
Percent amylose of milled rice.
25
RICE.QUALITY.BEAUMONT.09
Not Available
CHEMICAL
Alkali/Spreading Value
Alkali/Spreading value
5.2
RICE.QUALITY.BEAUMONT.09
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.
150
RICE.AGRON.STUTTGART.91
PI 469315 OR SD
Not Available
MORPHOLOGY
Plant Type - Culm Angle
Culm Angle, rice direct-seeded in rows.
3 - INTERMEDIATE
RICE.AGRON.STUTTGART.91
PI 469315 OR 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.AGRON.STUTTGART.91
PI 469315 OR SD
Not Available
MORPHOLOGY
Grain Type
Grain Type, classes according to USDA grading standards for brown rice.
2 - MEDIUM-GRAIN (AVG. LENGTH: 5.51 - 6.60 mm) (AVG. LENGTH/WIDTH RATIO: 2.1 - 3.0)
RICE.LAB.STUTTGART.08
PI 469315 OR91AR SD
Not Available
MORPHOLOGY
Hull Color
Hull color (Lemma and Palea) when terminal spikelets are ripened
3 - GOLD, LIGHT OR DEEP
RICE.LAB.ABERDEEN.03
PI 469315 OR91AR SD
Not Available
MORPHOLOGY
Hull Cover
Pubescence of lemma or palea
4 - SHORT HAIRS THROUGHOUT
RICE.LAB.ABERDEEN.03
PI 469315 OR91AR 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.LAB.ABERDEEN.03
PI 469315 OR91AR SD
Not Available
MORPHOLOGY
Lodging
Estimated amount of plant lodging near maturity.
3 - 21 - 30% LODGED
RICE.AGRON.STUTTGART.91
PI 469315 OR 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 469315 OR SD
Not Available
MORPHOLOGY
Length of Kernel
Length of kernel in millimeters for brown (dehulled) rice.
6.2
RICE.LAB.STUTTGART.08
PI 469315 OR91AR SD
Not Available
MORPHOLOGY
Width of Kernel
Width of kernel in millimeters for brown (dehulled) rice.
2.1
RICE.LAB.STUTTGART.08
PI 469315 OR91AR SD
Not Available
MORPHOLOGY
Kernel Length/Width Ratio
Length/Width ratio for brown (dehulled) rice
2.9
RICE.LAB.STUTTGART.08
PI 469315 OR91AR SD
Not Available
PHENOLOGY
Days to Flower
Days from emergence to flowering. Actual values. See also related descriptor Days to Anthesis.
74
RICE.AGRON.STUTTGART.91
PI 469315 OR SD
Not Available
PRODUCTION
Ratooning
Regrowth from stubble
4 - MATURE SEED
RICE.AGRON.STUTTGART.91
PI 469315 OR SD
Not Available
PRODUCTION
1000 Kernel Weight-Brown
Thousand kernel weight of brown rice, based on a count of 100 or more. Expressed in grams.
18.03
RICE.LAB.STUTTGART.08
PI 469315 OR91AR 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]
0.65
RICE.SALT.FAYETTEVILLE.90
PI 469315 OR 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 469315 OR91AR SD
Not Available