Data/hora: 09/06/2024 15:49:15

Provedor de dados: | 64
País: | Brazil
Título: | Estimates of genetic parameters of pigments and agronomic traits in green and purple lettuce
Autores: | Oliveira,Alisson Henrique Gama de; Maciel,Gabriel Mascarenhas; Siquieroli,Ana Carolina Silva; Jacinto,Ana Carolina Pires; Silveira,Aline José da; Silva,Ernani Clarete da.
Data: | 2019-01-01
Ano: | 2019
Palavras-chave: | Anthocyanin; Genetic interactions; Segregating generations.
Resumo: | ABSTRACT Understanding genetics and the gene interactions involved in the expression of certain characteristics becomes a determining factor for better exploration of its use. The development of breeding programs that combine one or more desirable trait into a single cultivar is directly impacted by this lack of knowledge of the genetic bases involved. The objective of the present study was to estimate the genetic parameters involved in pigment expression and agronomic characteristics in lettuce. Parental evaluations of lettuce, P1 (green) and P2 (purple) parental generations, the segregating generations F1 and F2, and the backcrosses Bc1 and Bc2 originating from the UFU-Crespa199#1#1 x UFU-Albina#2 crossing were evaluated. The chlorophyll and anthocyanin contents, number of leaves and plant diameter were evaluated. The study was conducted by testing all generations and the estimates obtained by averages and variances. Indications of polygenic or oligogenic inheritance were verified by the characteristic number of leaves, plant diameter, and anthocyanin content. The complete and additive-dominant models satisfactorily explained the performance of the variables, except the anthocyanin content.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542019000100226
Editor: | Editora da Universidade Federal de Lavras
Relação: | 10.1590/1413-7054201943013219
Formato: | text/html
Fonte: | Ciência e Agrotecnologia  v.43 2019
Fonte: | info:eu-repo/semantics/openAccess