First report of southern root-knot nematode, Meloidogyne incognita, infecting Brassica nigra in Peru
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作者:
Airton Gomez-Chatata, Jorge
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机构:
Univ Nacl San Agustin Arequipa, Arequipa, PeruUniv Nacl San Agustin Arequipa, Arequipa, Peru
Airton Gomez-Chatata, Jorge
[1
]
Jose Tamo-Zegarra, Juan
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机构:
Univ Nacl San Agustin Arequipa, Arequipa, PeruUniv Nacl San Agustin Arequipa, Arequipa, Peru
Jose Tamo-Zegarra, Juan
[1
]
Gloria Casa-Ruiz, Teodocia
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Univ Nacl San Agustin Arequipa, Arequipa, PeruUniv Nacl San Agustin Arequipa, Arequipa, Peru
Gloria Casa-Ruiz, Teodocia
[1
]
Belle, Cristiano
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机构:
Univ Nacl San Agustin Arequipa, Arequipa, Peru
Univ Fed Santa Maria, Santa Maria, RS, Brazil
Inst Phytus, Estacao Expt Itaara, Itaara, RS, BrazilUniv Nacl San Agustin Arequipa, Arequipa, Peru
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
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.