Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/1055933
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dc.contributor.authorSANTOS, M. A. C. dospt_BR
dc.contributor.authorREGO, M. M. dopt_BR
dc.contributor.authorQUEIROZ, M. A. dept_BR
dc.contributor.authorDANTAS, B. F.pt_BR
dc.contributor.authorOTONI, W. C.pt_BR
dc.date.accessioned2016-11-07T11:11:11Zpt_BR
dc.date.available2016-11-07T11:11:11Zpt_BR
dc.date.created2016-11-07pt_BR
dc.date.issued2016pt_BR
dc.identifier.citationRev. Árvore [online], Viçosa, MG, 2016, v. 40, n.4, p.649-660, 2016.pt_BR
dc.identifier.issn1806-9088.pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1055933pt_BR
dc.descriptionThe Brazilian guava (Psidium guineense Swartz) is seed-propagated and, being native to the Caatinga biome, may frequently have uneven germination.Thus, we aimed to evaluate the synchronization of the in vitro seed germination of three accessions of the Brazilian guava, using water, polyethyleneglycol (PEG 6000), and potassium nitrate (KNO3) at different potentials and times of osmotic priming. Seeds from three accessions of the Brazilian guava (Y85, Y93,and Y97) from the UNEB/BA Germplasm Active Bank were subjected to the following pretreatments: -0.6, -1.0, -1.4, and -1,8 MPa PEG 6000; 10 and 20% KNO3 for 24h; 10 and 20% KNO3 for 48h; water for 24 and 48h; and non-primed seeds as the control. The experimental design was therefore a 10x3+1 factorial scheme. We assessed the germination percentage (G), mean germination time (MGT), germination speed (GS), and germination speed index (GSI). Data was subjected to analysis of variance followed by a means test (Duncan at 5% probability) and regression. There was interaction between the priming treatments and accessions for all evaluated features, except G. PEG 6000 decreased the MGT (from 6 to 8 days) and increased GS and GSI of seeds from all three accessions at potentials -1.0 to -1.5 MPa.Water-priming had a positive effect on MGT, GS, and GSI of accession Y85 seeds. KNO3 negatively affected germination of seeds from all three accessions. Thereby, we could synchronize seed germination of accessions Y85 and Y97 with PEG 6000.pt_BR
dc.language.isoporpt_BR
dc.rightsopenAccesspt_BR
dc.subjectPsidium guineense Swartzpt_BR
dc.subjectGerminação in vitropt_BR
dc.subjectAcessos de araçápt_BR
dc.subjectBrazilian guavapt_BR
dc.subjectPlanta nativapt_BR
dc.titleSynchronizing the in vitro germination of Psidium guineense Sw. seeds by means of osmotic priming.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2017-02-20T11:11:11Zpt_BR
dc.subject.thesagroCaatingapt_BR
dc.subject.thesagroSementept_BR
dc.subject.thesagroGerminaçãopt_BR
dc.subject.thesagroAraçapt_BR
dc.subject.nalthesaurusGerminationpt_BR
riaa.ainfo.id1055933pt_BR
riaa.ainfo.lastupdate2017-02-20pt_BR
dc.identifier.doihttp://dx.doi.org/10.1590/0100-67622016000400008pt_BR
dc.contributor.institutionMárcia Adriana Carvalho dos Santos, UFPB; Mailson Monteiro do Rego, UFPB; Manoel Abilio de Queiroz, UNEB; BARBARA FRANCA DANTAS, CPATSA; Wagner Campos Otoni, UFV.pt_BR
Aparece nas coleções:Artigo em periódico indexado (CPATSA)

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