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

被引:0
|
作者
Airton Gomez-Chatata, Jorge [1 ]
Jose Tamo-Zegarra, Juan [1 ]
Gloria Casa-Ruiz, Teodocia [1 ]
Belle, Cristiano [1 ,2 ,3 ]
机构
[1] Univ Nacl San Agustin Arequipa, Arequipa, Peru
[2] Univ Fed Santa Maria, Santa Maria, RS, Brazil
[3] Inst Phytus, Estacao Expt Itaara, Itaara, RS, Brazil
关键词
Black mustard; Detection; Diagnosis; Identification; GENETIC DIVERSITY;
D O I
10.21307/jofnem-2020-114
中图分类号
Q95 [动物学];
学科分类号
071002 ;
摘要
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.
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页数:3
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