title: Genetic dissection of agronomic traits in Capsicum baccatum var. pendulum.
abstract: Genetic mapping is very useful for dissecting complex agronomic traits. Genetic mapping allows for identification of quantitative trait loci (QTL), provide knowledge on a gene position and its adjacent region, and enable prediction of evolutionary mechanisms, in addition to contributing to synteny studies. The aim of this study was to predict genetic values associated with different agronomic traits evaluated in an F2 population of Capsicum baccatum var. pendulum. Previously, a reference genetic map for C. baccatum was constructed, which included 183 markers (42 microsatellite, 85 inter-simple sequence repeat, and 56 random amplification of polymorphic DNA) arranged in 16 linkage groups. The map was used to identify QTL associated with 11 agronomic traits, including plant height, crown diameter, number of days to flowering, days to fruiting, number of fruits per plant, average fruit weight, fruit length, fruit diameter, fruit pulp thickness, soluble solids, and fruit dry weight. QTL mapping was performed by standard interval mapping. The number of small QTL effects ranged from 3-11, with a total of 61 QTL detected in 9 linkage groups. This is the first report involving QTL analysis for C. baccatum species.
authors: Laboratório de Genética e Biologia Molecular, Instituto Federal do Espírito Santo, Alegre, ES, Brasil mmmoulin@ifes.edu.br.
authors: M M
authors: MM
authors: Moulin
authors: Laboratório de Melhoramento Genético Vegetal, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil.
authors: R
authors: R
authors: Rodrigues
authors: Laboratório de Melhoramento Genético Vegetal, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil.
authors: C S
authors: CS
authors: Bento
authors: Laboratório de Melhoramento Genético Vegetal, Universidade Estadual de Londrina, Londrina, PR, Brasil.
authors: L S A
authors: LS
authors: Gonçalves
authors: Laboratório de Melhoramento Genético Vegetal, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil.
authors: J O
authors: JO
authors: Santos
authors: Laboratório de Melhoramento Genético Vegetal, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil.
authors: C P
authors: CP
authors: Sudré
authors: Laboratório de Melhoramento Genético Vegetal, Universidade Estadual do Norte Fluminense Darcy Ribeiro, Campos dos Goytacazes, RJ, Brasil.
authors: A P
authors: AP
authors: Viana
mesh_terms: D002212:Capsicum / Q000145:classification / Q000235:genetics*; D032461:Chromosomes, Plant; D018556:Crops, Agricultural / Q000145:classification / Q000235:genetics; D003433:Crosses, Genetic; D056726:Genetic Association Studies; D008040:Genetic Linkage; D040641:Quantitative Trait Loci