Occurrence of Meloidogyne enterolobii in common bean in southern Goiás State, Brazil

ABSTRACT: Meloidogyne enterolobii is known as the most aggressive root-knot nematode (RKN) in Brazil. Common bean (Phaseolus vulgaris) cultivated in the experimental field in Morrinhos, Southern Goiás State, exhibited symptoms typical to those caused by RKN. In order to clarify the etiology of the disease, root systems were analyzed. Typical galls of varying thickness were observed, with thickening larger than 3 cm in diameter containing RKN females inside roots and egg masses on the root surface. The identification of the nematode species was confirmed by isoenzyme electrophoresis (esterase and malate dehydrogenase phenotypes). This is the first report of M. enterolobii in Goiás and in Brazil parasitizing common bean under field conditions. This result is an alert to producers and to the State phytosanitary defense authorities, in order to prevent the further dissemination of this pest, especially in fields of common bean and industrial tomato in the State.

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Bibliographic Details
Main Authors: Silva,Rodrigo Vieira da, Oliveira,José Orlando de, Ávila Júnior,José Humberto de, Lima,Brenda Ventura de, Moreira,Nádia Fernandes
Format: Digital revista
Language:English
Published: Universidade Federal de Santa Maria 2021
Online Access:http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782021001000151
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