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Titolo:
QTL analysis of rice low temperature germinability
Autore:
Teng, S; Zeng, DL; Qian, Q; Yasufumi, K; Huang, DI; Zhu, LH;
Indirizzi:
Chinese Acad Sci, Inst Genet, Beijing 100101, Peoples R China Chinese AcadSci Beijing Peoples R China 100101 100101, Peoples R China Minist Agr, China Natl Rice Res Inst, Key Lab Rice Biol, Hangzhou 310006, Peoples R China Minist Agr Hangzhou Peoples R China 310006 gzhou 310006, Peoples R China Zhejiang Univ, Coll Life Sci, Hangzhou 310029, Peoples R China Zhejiang Univ Hangzhou Peoples R China 310029 ou 310029, Peoples R China Japan Int Res Ctr Agr Sci, Tsukuba, Ibaraki 3058686, Japan Japan Int Res Ctr Agr Sci Tsukuba Ibaraki Japan 3058686 ki 3058686, Japan
Titolo Testata:
CHINESE SCIENCE BULLETIN
fascicolo: 21, volume: 46, anno: 2001,
pagine: 1800 - 1804
SICI:
1001-6538(200111)46:21<1800:QAORLT>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Keywords:
indica and japonica subspecies; DH population; low temperature germinability; QTL detection; dynamical analysis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
10
Recensione:
Indirizzi per estratti:
Indirizzo: Zhu, LH Chinese Acad Sci, Inst Genet, Beijing 100101, Peoples R China Chinese Acad Sci Beijing Peoples R China 100101 Peoples R China
Citazione:
S. Teng et al., "QTL analysis of rice low temperature germinability", CHIN SCI B, 46(21), 2001, pp. 1800-1804

Abstract

A double haploid population, derived from anther culture of F-1 hybrid between a typical indica and a japonica (ZYQ8/JX17), has been used to investigate the low temperature germinability (LTG) at 15 degreesC. The low temperature germinability of two parents was significantly different. In 6-11 d, the germination percentage of ZYQ8 was higher than that of JX17. In 12-16 d,the germination percentage of JX17 was higher than that of ZYQ8. The quantitative trait loci (QTLs) of every day for low temperature germinability have been mapped based on a molecular linkage map constructed from this population. In 8-11 d, qLTG-9 was identified in C397B-RZ617B on chromosome 9, the additive effect was positive, showing that the allele from JX17 could increase low temperature germinability. In 12-16 d, qLTG-4 was mapped between RG908 and CT563 on chromosome 4, the additive effect was negative, showing that the allele from ZYQ8 could increase low temperature germinability. These two QTLs were detected at different stages, showing the complexity of the mechanism of low temperature germinability.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 30/03/20 alle ore 09:07:27