Invasive Species Compendium

Detailed coverage of invasive species threatening livelihoods and the environment worldwide

Abstract

First report of Meloidogyne enterolobii causing tuber galling damage on white yam (Dioscorea rotundata) in Nigeria.

Abstract

During a taxonomic nematode survey, galled yam (Dioscorea rotundata) tubers were collected from markets and farmers' fields between November 2012 and February 2013, in Nigeria. Steam-sterilized soil planted with susceptible tomato cv. Marmande was infested with nematodes isolated from galled tubers and used for RKN population increase and species identification after maturation of nematodes. The causal nematode was identified as Meloidogyne enterolobii based on esterase and malate dehydrogenase isozyme patterns and molecular (PCR) analyses. This is thought to be the first record of M. enterolobii infecting yam and causing galling damage in Nigeria.