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dc.contributor.authorOLIVEIRA, P. G. de
dc.contributor.authorQUEIROZ, M. A. de
dc.contributor.authorLIMA NETO, I. da S.
dc.contributor.authorCASTRO, J. M. da C. e
dc.contributor.authorOLIVEIRA, R. S. de
dc.date.accessioned2024-05-21T17:53:17Z-
dc.date.available2024-05-21T17:53:17Z-
dc.date.created2024-05-21
dc.date.issued2024
dc.identifier.citationRevista Caatinga, v. 37, e11440, 2024.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1164373-
dc.descriptionGuava decline is a complex disease caused by the interaction between Meloidogyne enterolobii and Neocosmospora falciformis (Syn.: Fusarium solani). Thus, selecting M. enterolobii-resistant genotypes within the genus Psidiumis essential for controlling this disease, and developing a resistant cultivar of Psidium guajava could significantly impact this issue. Thus, the objective of this study was to assess the response of the guava plants of the cultivar Paluma to different densities of M. enterolobii inoculum. Guava seedlings were inoculated with 500, 1,000, 5,000, 10,000, and 20,000 eggs + second-stage juveniles (J2) of M. enterolobii per plant. Root and shoot fresh weights, shoot dry weight, root length, plant height, and stem base diameter were evaluated at 70 and 135 days after inoculation (DAI). Total number of M. enterolobii eggs + J2 in the root system and nematode reproduction factor nematode were assessed. Nematode multiplication in roots was not proportional to increases in initial inoculum density; thus, the best plant responses to nematode multiplication in the evaluated cultivar were found for the lowest tested densities. The reproduction factor decreased as the inoculum density was increased, at both evaluations (70 and 135 DAI).
dc.language.isoeng
dc.rightsopenAccess
dc.subjectNematoide-das-galhas
dc.subjectFator de reprodução
dc.subjectDeclínio-da-goiabeira
dc.subjectMeloidogyne enterolobii
dc.subjectVariedade Paluma
dc.titleInitial inoculum density, evaluation time, and reproduction of Meloidogyne enterolobiiin Paluma guava plants.
dc.typeArtigo de periódico
dc.subject.thesagroGoiaba
dc.subject.thesagroPsidium Guajava
dc.subject.thesagroNematóide
dc.subject.thesagroDoença de Planta
dc.subject.nalthesaurusRoot-knot nematodes
dc.subject.nalthesaurusGuavas
dc.subject.nalthesaurusPlant diseases and disorders
riaa.ainfo.id1164373
riaa.ainfo.lastupdate2024-05-21
dc.identifier.doihttp://dx.doi.org/10.1590/1983-21252024v3711440rc
dc.contributor.institutionPATRÍCIA GOMES DE OLIVEIRA, UNIVERSIDADE ESTADUAL DE FEIRA DE SANTANA; MANOEL ABÍLIO DE QUEIROZ, UNIVERSIDADE DO ESTADO DA BAHIA; IZAÍAS DA SILVA LIMA NETO, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO; JOSE MAURO DA CUNHA E CASTRO, CPATSA; RONALDO SIMÃO DE OLIVEIRA, UNIVERSIDADE FEDERAL DO VALE DO SÃO FRANCISCO.
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