Please use this identifier to cite or link to this item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/991569
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dc.contributor.authorDANTAS, B. F.pt_BR
dc.contributor.authorRIBEIRO, R. C.pt_BR
dc.contributor.authorMATIAS, J. R.pt_BR
dc.contributor.authorARAUJO, G. G. L. dept_BR
dc.date.accessioned2014-07-31T11:11:11Zpt_BR
dc.date.available2014-07-31T11:11:11Zpt_BR
dc.date.created2014-07-31pt_BR
dc.date.issued2014pt_BR
dc.identifier.citationJournal of Seed Science, v. 36, n. 2, p. 194-203, 2014pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/991569pt_BR
dc.descriptionThe production of seeds and seedlings by these species is of utmost importance to prevent a loss of biodiversity of the Caatinga, a unique and exclusively Brazilian biome. Biosaline agriculture is conducted over a range of salinity levels in groundwater and/or in soils. The current study evaluated the application of biosaline agriculture to Anadenanthera macrocarpa, Myracrodruon urundeuva, Aspidosperma pyrifolium and Erythrina velutina by examining the germinative metabolism of seeds subjected to different electrical conductivities (ECs) of NaCl solutions and biosaline water. The seeds were germinated in biosaline water (4.94 dS.m-1) and in NaCl solutions with ECs of 0, 2, 4, 6, 8, 10, 12, 14, 16 and 18 dS.m-1 at 25 °C, 12-h photoperiod. The kinetic variables of germination were assessed, and the seeds and seedlings were assayed for reserve biomolecules, proline content and antioxidant enzyme activity. The seeds were highly tolerant to salinity, with germination-limiting ECs above 12 dS.m-1. Although high EC promoted alterations in seed metabolism that enabled salinity tolerance, seedling production was indicated with ECs no higher than 6 dS.m-1. These results demonstrated that Caatinga seedling production is viable through biosaline agriculture beucause the groundwater salinity of this region is within the tolerance levels of the seeds.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectAgricultura biossalinapt_BR
dc.subjectEspécie florestalpt_BR
dc.subjectAntioxidant enzymespt_BR
dc.titleGerminative metabolism of Caatinga forest species in biosaline agriculture.pt_BR
dc.typeArtigo de periódicopt_BR
dc.date.updated2014-07-31T11:11:11Zpt_BR
dc.subject.thesagroCaatingapt_BR
dc.subject.thesagroBiodiversidadept_BR
dc.subject.thesagroAnadenanthera Macrocarpapt_BR
dc.subject.thesagroAspidosperma Pyrifoliumpt_BR
dc.subject.thesagroGerminaçãopt_BR
dc.subject.thesagroMyracrodruon Urundeuvapt_BR
dc.subject.thesagroMudapt_BR
dc.subject.nalthesaurusSalt stresspt_BR
dc.subject.nalthesaurusErythrina velutinapt_BR
riaa.ainfo.id991569pt_BR
riaa.ainfo.lastupdate2014-07-31pt_BR
dc.identifier.doi10.1590/2317-1545v32n2927pt_BR
dc.contributor.institutionBARBARA FRANCA DANTAS, CPATSA; RENATA CONDURU RIBEIRO; JANETE RODRIGUES MATIAS; GHERMAN GARCIA LEAL DE ARAUJO, CPATSA.pt_BR
Appears in Collections:Artigo em periódico indexado (CPATSA)

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