Pratylenchus zeae in yam, Dioscorea cayenensis and D. alata , in Brazil

Mayara Castro Assunção,Francisco Jorge Carlos de Souza Junior,Jaime Corbiniano dos Santos Neto,Arielena Augusta Rodrigues Mello,Liany Regina Bezerra de Oliveira Silva,Rosana Blawid,Elvira Maria Regis Pedrosa,Lilian Margarete Paes Guimarães

Australasian Plant Disease Notes（2023）

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摘要

The genus Pratylenchus is the most economically important nematode for yam. Samples of tubers and soil of Dioscorea cayenensis and D. alata were collected in states of Brazil. Through morphometric characterization and molecular analysis of the ITS and 28S rDNA regions, the nematode Pratylenchus zeae was identified. This is the first report of P. zeae in yam in Brazil.

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Root-lesion nematode, Identification, Molecular, Morphometric

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