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Provedor de dados:  National Institute of Agronomic Research
País:  France
Título:  Inheritance of type I glandular trichomes in Cucumis melo
Autores:  Palomares-Rius, F.J.
Sarria, E.
Alba, J.M.
Gómez-Guillamón, M.L.
Data:  2008-05-16
Ano:  2008
Palavras-chave:  Aphis gossypii
Antixenosis
Heritability
Genetic model
Additive
Dominance
Epistasis
Resumo:  A high density of glandular trichomes of Type I could contribute to enhance resistance to Aphis gossypii in melon breeding programs with the Vat gene. To study the inheritance of this trait, a six-generation genetic family was obtained from the cross between the accession TGR-1551, with high density of glandular trichomes and the Spanish cultivar ‘Bola de oro’ with low trichome density. The genetic model estimated showed that the Type I trichome density followed an oligogenic inheritance with important additive effect and strong epistatic effect between heterozygous loci. The values for broad sense heritability (H2) and narrow sense heritability (h2) were 0.86 and 0.50, respectively, which made this character suitable for breeding.

Cucurbitaceae 2008. IX EUCARPIA Meeting. Avignon (France), May 21-24th, 2008
Tipo:  Poster
Idioma:  Inglês
Identificador:  Palomares-Rius F.J., Sarria E., Alba J.M., Gómez-Guillamón M.L. 2008. Inheritance of type I glandular trichomes in Cucumis melo. Pitrat M. (ed): Cucurbitaceae 2008, Proceedings of the IXth EUCARPIA meeting on genetics and breeding of Cucurbitaceae, Avignon (France), May 21-24th, 2008, pp. 465-469.

978-2-7380-1251-7

http://hdl.handle.net/2174/250
Editor:  INRA. Centre de Recherche d'Avignon. Unité Génétique et Amélioration des Fruits et Légumes, Montfavet (France)
Relação:  Cucurbitaceae 2008
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