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Research Article Open access CC BY 4.0

Evaluation of Varieties of Caupi Bean to Meloidogyne Incognita Parasitism

Gilberto Antonio Torres Júnior, Fernandes Antonio de Almeida, Erik Gomes Sampaio, Francisco Tarcísio Lucena, Maria Lucia Tiburtino Leite, Wéverson Lima Fonseca, Artur Franco Barreto, Francisco de Alcântara Neto, Francisco Fernandes Pereira, Rezanio Martins Carvalho, Ancélio Ricardo de Oliveira Gondim, Lucimere Maria da Silva Xavier

Journal of Experimental Agriculture International · pp. 1–9 · Published 7 Jun 2019

10.9734/jeai/2019/v37i230260

Abstract

The culture of Cowpea (Vigna unguiculata L.) of wide adaptation of the various edaphoclimatic conditions of Brazil is of fundamental importance for the socioeconomic development of the north and northeast regions, however, the productivity can be limited by pathogenic agents, such as phytonematodes, belonging to the genus Meloidogyne. Due to this condition, the objective was to evaluate the behavior of different varieties of cowpea against the parasitism of M. incognita. The reaction test was performed with inoculation of 5.000 eggs/juveniles in the region of the root. The experiment was carried out in a greenhouse, with a completely randomized design, with 14 varieties (Bastiãozinho; Mosqueado; Maravilha; Balinha; Garanhão; Sempre verde; Canapuzinho; Canapu branco; Paulistinha; Pujante; Canapu da Vagem Roxa; Rajado PE; Costela de Vaca e Setentão) with five replications. 60 Sixty days after inoculation, some agronomic characteristics and parasitism were evaluated. All varieties were susceptible to M. incognita, with RR > 1. However, the Paulistinha variety proved to be moderately resistant.

Vigna unguiculata (L) root-knot nematode resistance pathogen

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