Incidence of galls of Meloidogyne incognita race 1 in progenies of F2: 3 ('Salinas 88' x 'Colorado') lettuce

Authors

  • José Sandes Carvalho Filho UNIVERSIDADE FEDERAL DE SERGIPE
  • Luiz Antonio Gomes Universidade Federal de Lavras
  • Rejane Rodrigues Costa-Carvalho Universidade Federal de Lavras

Keywords:

Lactuca sativa, incidence of galls, plants selection, heritability

Abstract

The aim of this work was to estimate genotypic, phenotypic and environment parameters for incidence of galls in lettuce F2:3 progenies, may lead to contribute breeding programs for incorporation of the resistance to root-knot nematodes. The experiment was carried out in greenhouse, using expanded
polystyrene trays with 128 cells, in completely randomized blocks design with two replicates and eight plants each plot. The substrate was infested with substrate 30 eggs.cm–3 of Meloidogyne incognita race 1. The evaluation was made 45 days for the incidence of galls. The estimated high broad heritability varied from 38% to 74%. Therefore, lettuce cultivar Colorado is less resistant degree than lettuce cultivar Salinas
88 to root-knot nematodes and the incidence of galls can be used in the selection between and inside of lettuce progenies, mainly in an early of breeding program.

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Published

2012-03-02

How to Cite

Carvalho Filho, J. S., Gomes, L. A., & Costa-Carvalho, R. R. (2012). Incidence of galls of Meloidogyne incognita race 1 in progenies of F2: 3 (’Salinas 88’ x ’Colorado’) lettuce. Scientia Plena, 8(2). Retrieved from https://www.scientiaplena.org.br/sp/article/view/251

Issue

Vol. 8 No. 2 (2012): February/Fevereiro 2012

Section

Articles

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