Details for: GSOR 100618, Oryza sativa L., TIL: 443


Summary Data
Taxonomy:
Oryza sativa L.
Top Name:
TIL: 443
Origin:
Developed – Texas, United States
Received by NPGS:
01 Aug 2011
Improvement Status:
Genetic material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Availability
FormQuantityNoteInventoryCart
Seed2 gramGSOR 100618 A18FA3 SD
Please send an email to gsor@ars-grin.gov to order the entire TIL set (124 accessions).
  
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Core Passport Data
Taxonomy:
Oryza sativa L.
Top Name:
TIL: 443
Origin:
Developed – Texas, United States
Received by NPGS:
01 Aug 2011
Improvement Status:
Genetic material
Form Received:
Seed
Life Form:
Annual
Life Cycle:
Annual
Source History
Accession Names and Identifiers
TIL: 443
Type: Developer identifier

GSOR 100618
Type: Site identifier
Group: TILS
TEQING-INTO-LEMONT BACKCROSS INTROGRESSION LINES

Narrative
This set of 123 TILs containing molecularly tagged portions of the indica TeQing genome now introgressed into the genetic background of Lemont, a U.S. tropical japonica rice cultivar. This mapping population was developed to support efforts to identify, validate, fine-map, and further evaluate the phenotypic effects of TeQing and Lemont genes/QTLs. Based on molecular characterization of 178 SSR loci, each TIL contains from one to 20 non-contiguous introgressed segments. The introgressions vary in length from a single marker (approximately 1.8 cM in length) up to 162 cM. Different portions of the TeQing genome are contained in each of the 123 TILs, with all segments of the TeQing genome now contained in one or more TILs. As a set of molecularly characterized chromosome segment substitution lines (CSSLs), this population of TILs is useful for QTL de novo mapping. Smaller subsets of TILs can be selected to more efficiently validate previously mapped loci, or to pursue fine-mapping. Because the TILs contain molecularly tagged TeQing loci now introgressed into the Lemont genetic background, they are uniquely suited for determining the breeding value of TeQing genes within a tropical japonica rice breeding program.
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
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
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)
Common names
LanguageNameAlternate namenoteseqCitation
EnglishAsian rice  1Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Englishlowland rice  1Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Englishrice  1Wiersema, J. H. & B. León. 1999. World economic plants: a standard reference CRC Press, Boca Raton, FL.
Englishupland rice  1Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Arabicrozz  2Boulos, L. 1999-. Flora of Egypt
Frenchriz  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
GermanReis  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Indiachavel  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Italianriso  2Hanelt, P., ed. 2001. Mansfeld's encyclopedia of agricultural and horticultural crops. Volumes 1-6
Japanese Rōmajiine  2Batra, L. R. 1995. Names of Japanese plants sorted by their Japanese names in Romanized Katakana and scientific nomenclature
Portuguesearroz  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Spanisharroz  2Rehm, S. 1994. Multilingual dictionary of agronomic plants
Swedishris  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Transcribed Chinesedao  2Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
Annotations
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Citations
  • Pinson, S. R. M., G. Liu, M. H. Jia, Y. Jia, R. G. Fjellstrom, A. Sharma, Y. Wang, R. E. Tabien, & Z. Li. 2012. Registration of a rice gene mapping population consisting of 'TeQing'-into-'Lemont' (TIL) backcross introgression lines. J. Pl. Registr. 6:128-135. Number of accessions cited: 125
Pedigree
Date released:
01 Aug 2011
Description:
TeQing backcrossed 2 to 4 times with Lemont, followed by 6 to 8 generations of self pollinations, at which time molecular selection was used to identify progeny lines containing non-redundant TeQing introgressions in a 65% or more recurrent parent (Lemont) genetic background. Increased rates of backcrossing (and subsequent decreased selfing) were based on visually determined need to increase phenotypic similarity with the recurrent parent.