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Agronomical, genetical and developmental characterization of fs6.4: a Quantitative Trait Locus controlling melon fruit shape National Institute of Agronomic Research
Moreno, E.; Fernández-Silva, I.; Eduardo, I.; Mascarell, A.; Alvarez, J.M.; Caño, A.; Monforte, A.J..
The genetic control of melon fruit shape is complex. Recently, several Quantitative Trait Loci (QTLs) affecting melon fruit shape have been identified using an introgression line population derived from the cross between a Cucumis melo ‘Piel de Sapo’ cultivar and the Korean accession PI 161375 ‘Songwan Charmi’ (SC). One of these QTLs, fs6.4, was selected for further genetical and developmental characterization. The SC allele of fs6.4 induces round fruit by limiting the longitudinal development of the fruit. Its mode of gene action is largely additive, showing low interactions with environment, genetic background or when combined with other fruit shape QTLs. Its chromosomal position could be narrowed to the central part of Linkage Group VI, breaking the...
Tipo: Conference Paper Palavras-chave: Introgression line; Epistasis; Interaction; Flower development; QTL; Fruit shape; Genetic mapping; Fine mapping; Fruit morphology.
Ano: 2008 URL: http://hdl.handle.net/2174/198
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Fruit dispersal syndromes in animal disseminated plants at Tinigua National Park, Colombia RChHN
LINK,ANDRÉS; STEVENSON,PABLO R.
Fruit dispersal syndromes (groups of plants with similar fruit morphology, presumably adapted to dispersal by a particular set of vectors) have been described in a variety of tropical localities. In some cases the presence of different syndromes in each locality suggests independent evolution of fruit traits in response to selective pressures imposed by the particular animal community in each place. However, it is still unclear how general are fruit syndromes, and this is important to understand the evolution of mutualistic relationships. We compiled morphological information from about 500 fleshy fruited species at a lowland Neotropical forest in Tinigua National Park, Colombia, in an effort to test for the existence of fruit dispersal syndromes. We found...
Tipo: Journal article Palavras-chave: Fruit syndromes; Fruit morphology; Neotropical forests; Convergent evolution; Frugivory.
Ano: 2004 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2004000200010
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