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First report of southern root-knot nematode, Meloidogyne incognita, infecting Brassica nigra in Peru

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Abstract Brassica nigra plants showing symptoms caused by root-knot nematodes were detected in the municipality of La Joya, Arequipa Province, Peru. Based on morphology, esterase phenotypes, and species-specific characterized amplified… Click to show full abstract

Abstract Brassica nigra plants showing symptoms caused by root-knot nematodes were detected in the municipality of La Joya, Arequipa Province, Peru. Based on morphology, esterase phenotypes, and species-specific characterized amplified region (SCAR) sequence, the causal agent was identified as Meloidogyne incognita. Pathogenicity was confirmed by a modified version of Koch’s postulates. To our knowledge, this is the first report of M. incognita infecting Brassica nigra in Peru.

Keywords: brassica; root knot; meloidogyne incognita; brassica nigra; incognita infecting; first report

Journal Title: Journal of Nematology
Year Published: 2020

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