Data/hora: 11/06/2024 09:56:33

Provedor de dados: | 75
País: | Brazil
Título: | Assessment of resistances to multiple pathogens in experimental sweet pepper hybrids
Autores: | Carvalho,Regis C; Nogueira,Douglas W; Ticona-Benavente,César A; Nogueira,Danilo G; Maluf,Wilson R; Gonçalves,Ranoel JS; Silva,Luis FL.
Data: | 2017-03-01
Ano: | 2017
Palavras-chave: | Capsicum annuum; Pepper yellow mosaic virus; Phytophthora capsici; Meloidogyne incognita.
Resumo: | ABSTRACT The aim of this study was to assess resistance to some of the major sweet pepper pathogens {Phytophthora capsici, Pepper yellow mosaic virus (PepYMV) and Meloidogyne incognita} in a group of experimental hybrids and their respective parental lines, and to identify hybrids possibly resistant to all three pathogens. Ten parental breeding lines, thirty experimental hybrids and seven commercial controls (Konan-R, Magali-R, Martha-R, Stephany, Mallorca, Magnata Super and Criollo de Morelos-334) were used. Each experiment was set up in a randomized complete block design with three replications and plots consisting of 16 plants. For assessment of resistance to P. capsici and PepYMV, the percent of asymptomatic plants was considered. In evaluating reactions to M. incognita, both the nematode reproduction index and the nematode reproduction factor were calculated. Five hybrids were found with resistance to all three pathogens. For all three pathogens, there was evidence that hybrids with two resistant parental lines showed slightly higher levels of pathogen resistance than those with only one resistant parental line.
Tipo: | Info:eu-repo/semantics/article
Idioma: | Inglês
Identificador: | http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-05362017000100048
Editor: | Associação Brasileira de Horticultura
Relação: | 10.1590/s0102-053620170108
Formato: | text/html
Fonte: | Horticultura Brasileira  v.35 n.1 2017
Fonte: | info:eu-repo/semantics/openAccess