QTL identification for tolerance to fruit set in tomato by fAFLP markers

Autor: Grilli, Gisele Ventura Garcia, Braz, Leila Trevizan [UNESP], Lemos, Eliana Gertrudes Macedo [UNESP]
Přispěvatelé: Esplanada Dos Ministérios, Universidade Estadual Paulista (Unesp)
Jazyk: angličtina
Rok vydání: 2007
Předmět:
Zdroj: Crop Breeding and Applied Biotechnology, Vol 7, Iss 3, Pp 234-241 (2007)
Scopus
Repositório Institucional da UNESP
Universidade Estadual Paulista (UNESP)
instacron:UNESP
ISSN: 1984-7033
1518-7853
Popis: Submitted by Vitor Silverio Rodrigues (vitorsrodrigues@reitoria.unesp.br) on 2014-05-27T11:22:35Z No. of bitstreams: 0Bitstream added on 2014-05-27T14:35:06Z : No. of bitstreams: 1 2-s2.0-41249086807.pdf: 532895 bytes, checksum: 5c02598129f15f60ffaed4b280e16652 (MD5) Made available in DSpace on 2014-05-27T11:22:35Z (GMT). No. of bitstreams: 0 Previous issue date: 2007-09-01 This study aimed to detect quantitative trait loci (QTL) by fALP (Fluorescent Amplified Fragment Length Polymorphism) markers associated to the trait tomato fruit set at high temperatures. A biparental cross between line Jab-95 (heat-tolerant) and cultivar Caribe (heat-susceptible) was made. A total of 192 plants of the F2 generation were evaluated, generating 172 polymorphic markers through six primer combinations previously identified by the Bulked Segregant Analysis technique. To construct the genetic map, 106 of the 172 markers that segregated in the expected Mendelian segregation proportion (3:1) were used. The map covered 1191.46 cM of the genome. Six trait-linked QTL were identified in the analysis of simple markers and three others by the interval-mapping methodology. These results could be highly useful in improvement programs, since heat-tolerant plants can be selected rapidly, which improves tomato fruit set. Ministério da Agricultura, Pecuária e Abastecimento Esplanada Dos Ministérios, Bl. D Anexo A, 70.043-900 - Brasília, DF Departamento de Produção Vegetal Faculdade de Ciências Agrárias e Veterinárias - UNESP, Via de acesso Prof. Paulo Donato Castellane, s/n, 14.884-900, Jaboticabal, SP Departamento de Tecnologia FCAV/UNESP Departamento de Produção Vegetal Faculdade de Ciências Agrárias e Veterinárias - UNESP, Via de acesso Prof. Paulo Donato Castellane, s/n, 14.884-900, Jaboticabal, SP Departamento de Tecnologia FCAV/UNESP
Databáze: OpenAIRE
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