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Details for: PI 502968,
Oryza sativa
L., 'Rexmont'
Summary
Passport
Taxonomy
Other
Pedigree
IPR
Observation
Summary Data
Taxonomy:
Oryza sativa
L.
Cultivar:
'Rexmont'
Origin:
Developed – Texas, United States
Maintained:
National Small Grains Collection
Received by NPGS:
Mar 1986
PI Assigned:
1986
Improvement Status:
Cultivar
Reproductive Uniformity:
Pureline
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Backup Location:
National Laboratory for Genetic Resources Preservation
Inventory Volume:
194
View original Plant Inventory data in pdf format
Availability
Form
Quantity
Note
Inventory
Cart
Seed
5 gram
PI 502968 OR04AR SD
Images
(2
total. Click on image for more.)
Core Passport Data
Taxonomy:
Oryza sativa
L.
Cultivar:
'Rexmont'
Origin:
Developed – Texas, United States
Maintained:
National Small Grains Collection
Received by NPGS:
Mar 1986
PI Assigned:
1986
Improvement Status:
Cultivar
Reproductive Uniformity:
Pureline
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Developed
1986.
Texas, United States
Comment:
Developed by the USDA-ARS and the Texas Agric. Exp. Station in cooperation with the Texas Rice Improvement Association, the Texas Rice Research Foundation, the Louisiana Agric. Exp. Station, and the Mississippi Agric. and Forestry Exp. Sta.
Developer(s):
Texas A&M University
Bollich, Charles N., USDA-ARS
Marchetti, Marco A., USDA-ARS
Scott, John, Texas A&M University
Webb, Bill D., USDA, ARS
Accession Names and Identifiers
'Rexmont'
Type: Cultivar name
B774A2-Bk-70-5-3
Type: Institute identifier
RU8303169
Type: Institute identifier
Narrative
Long grain type. Plants semidwarf similar to Bellemont. Maturity early. Ratooning ability below Lemont. Extremely resistant to lodging. Grain yield high. Superior quick-cooking and soup properties. Very susceptible to sheath blight. Resistant only to IH-1 race of blight, panicle blight brown spot and straighthead.
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
Release Notice
Storage Information Form
Actions
Pathogens
Vouchers
Citations
Agrama, H. A. & G. C. Eizenga.
2008. Molecular diversity and genome-wide linkage disequilibrium patterns in a worldwide collection of Oryza sativa and its wild relatives. Euphytica 160:339-355.
DOI:
10.1007/s10681-007-9535-y
.
Note:
Netherlands journal of plant breeding
Number of accessions cited:
141
Ayres, N. M. et al.
1997. Microsatellites and a single-nucleotide polymorphism differentiate apparent amylose classes in an extended pedigree of US rice germplasm. Theor. Appl. Genet. 94:773-781.
DOI:
10.1007/s001220050477
.
Number of accessions cited:
85
Gealy, D. R. et al.
2009. Exploring genetic and spatial structure of U.S. weedy red rice (Oryza sativa) in relation to rice relatives worldwide. Weed Sci. 57:627-643.
Number of accessions cited:
38
Lu, H. et al.
2005. Population structure and breeding patterns of 145 U.S. rice cultivars based on SSR marker analysis. Crop Sci. (Madison) 45:66-76.
DOI:
10.2135/cropsci2005.0066
.
Number of accessions cited:
153
Mackill, D. J. & X. Lei.
1997. Genetic variation for traits related to temperate adaptation of rice cultivars. Crop Sci. (Madison) 37:1340-1346.
DOI:
10.2135/cropsci1997.0011183X003700040051x
.
Number of accessions cited:
123
Mackill, D. J.
1995. Classifying Japonica rice cultivars with RAPD markers. Crop Sci. (Madison) 35:889-894.
DOI:
10.2135/cropsci1995.0011183X003500030043x
.
Number of accessions cited:
38
Tabien, R. E. et al.
2008. Forty-eight years of rice improvement in Texas since the release of cultivar Bluebonnet in 1944. Crop Sci. (Madison) 48:2097-2106.
DOI:
10.2135/cropsci2007.12.0680
.
Number of accessions cited:
23
Wang, Z. et al.
2007. Rapid survey for presence of a blast resistance gene Pi-ta in rice cultivars using the dominant DNA markers derived from portions of the Pi-ta gene. Pl. Breed. (New York) 126:36-42.
DOI:
10.1111/j.1439-0523.2007.01304.x
.
Number of accessions cited:
125
Xu, Y. et al.
2004. A marker-based approach to broadening the genetic base of rice in the USA. Crop Sci. (Madison) 44:1947-1959.
DOI:
10.2135/cropsci2004.1947
.
Number of accessions cited:
165
Pedigree
Date released:
1986
Description:
Newrex/Bellemont
Intellectual Property Rights
Crop Science Registration
. CV-81, RICE. Issued: 01 Sep 1990.
Bollich, C. N., B. D. Webb, M. A. Marchetti, & J. E. Scott.
1990. Registration of Rexmont rice. Crop Sci. (Madison) 30(5):1160.
DOI:
10.2135/cropsci1990.0011183X003000050053x
.
Note:
CV-81
Material Transfer Agreement
Observations
Phenotype Data
Category
Descriptor
Description
Value
Sample Size
Study
Inventory
Availability
CHEMICAL
Amylose
Percent amylose of milled rice.
24
RICE.QUALITY.BEAUMONT.06
PI 502968 OR04AR SD
CHEMICAL
Alkali/Spreading Value
Alkali/Spreading value
6
RICE.QUALITY.BEAUMONT.06
PI 502968 OR04AR SD
CHEMICAL
Protein
Protein content of the kernel, expressed as percent dry weight basis of brown rice.
10
RICE.QUALITY.BEAUMONT.06
PI 502968 OR04AR SD
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.LAB.STUTTGART.05
PI 502968 OR04AR SD
MORPHOLOGY
Hull Color
Hull color (Lemma and Palea) when terminal spikelets are ripened
6 - MOTTTLED, SPECKLED, OR PIEBALD
RICE.LAB.STUTTGART.05
PI 502968 OR04AR SD
MORPHOLOGY
Hull Cover
Pubescence of lemma or palea
1 - GLABROUS (SMOOTH)
RICE.LAB.ABERDEEN.03
PI 502968 OR85TX 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 502968 OR85TX SD
Not Available
MORPHOLOGY
Bran Color
Color of seed coat (bran/pericarp) when fully mature and dry.
2 - LIGHT BROWN
RICE.LAB.STUTTGART.05
PI 502968 OR04AR SD
MORPHOLOGY
Length of Kernel
Length of kernel in millimeters for brown (dehulled) rice.
7.4
RICE.LAB.STUTTGART.05
PI 502968 OR04AR SD
MORPHOLOGY
Width of Kernel
Width of kernel in millimeters for brown (dehulled) rice.
2.3
RICE.LAB.STUTTGART.05
PI 502968 OR04AR SD
MORPHOLOGY
Kernel Length/Width Ratio
Length/Width ratio for brown (dehulled) rice
3.3
RICE.LAB.STUTTGART.05
PI 502968 OR04AR SD
PHENOLOGY
Days to Flower
Days from emergence to flowering. Actual values. See also related descriptor Days to Anthesis.
93
RICE.AGRON.STUTTGART.99
PI 502968 OR85TX SD
Not Available
PRODUCTION
1000 Kernel Weight-Rough
Thousand kernel weight of rough rice, based on a count of 100 or more. Expressed in grams.
28.24
RICE.LAB.STUTTGART.05
PI 502968 OR04AR SD
STRESS
Salt Tolerance
Germination and seedling growth in a saline solution. (# live seedlings/# GERMINATED) X (# live + # dead seedlings/# germ). [0 = Sensitive, 10 = Tolerant]
0.43
RICE.SALT.FAYETTEVILLE.90
PI 502968 OR85TX 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 502968 OR85TX SD
Not Available