Use este identificador para citar ou linkar para este item: http://www.alice.cnptia.embrapa.br/alice/handle/doc/134074
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dc.contributor.authorALLEM, A. C.pt_BR
dc.contributor.authorROA, A. C.pt_BR
dc.contributor.authorMENDES, R. A.pt_BR
dc.contributor.authorSALOMAO, A. N.pt_BR
dc.contributor.authorBURLE, M. L.pt_BR
dc.contributor.authorSECOND, G.pt_BR
dc.contributor.authorCARVALHO, P. C. L. dept_BR
dc.contributor.authorCAVALCANTI, J.pt_BR
dc.date.accessioned2016-05-10T11:37:11Z-
dc.date.available2016-05-10T11:37:11Z-
dc.date.created2000-11-30pt_BR
dc.date.issued2000pt_BR
dc.identifier.citationIn: INTERNATIONAL SCIENTIFIC MEETING CASSAVA BIOTECHNOLOGY NETWORK, 4., 1998, Salvador. Cassava biotechnology: proceedings. Brasília, DF: EMBRAPA-CENARGEN: CBN, 2000.pt_BR
dc.identifier.isbn85-87697-05-6pt_BR
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/134074pt_BR
dc.descriptionA crop gene pool comprises three distinct categories of gene suppliers, primary, secondary, and tertiary gene pools. The primary gene pool (GP-1) is composed of gene reservoirs that cross easily with the domesticate and the crosses produce fertile offspring regularly. The secondary (GP-2) and tertiary (GP-3) gene pools comprise gene sources that cross with variable degrees of diffilculty with the crop species, this implies less close genetic distances. The GP-1 is further subdivided in cultivated and wild gene pools. The cultivated gene pool englobes commercial stocks of the crop besides indigenous landraces and folk varieties of the domesticate. The wild GP-1 of a crop comprises putative ancestors and closely related species that show a fair degree of fertile relationships with the domesticate. Two Douth American wild subspecies of cassava (M. flabellifolia and M. peruviana) are natural members of the wild GP-1 of the species. Another Brazilian species (M. pruinosa) is so close morphologically to the two wild subspecies of cassava that it may turn out another member of the wild GP-1 of the indigen. The GP-2 of cassava is more difficult to delimit as few species have been tested for genetic compatibility. Biosystematic crosses carried out between the crop and a number of wild species suggest a dozen of them as components of the GP-2, the majority are Brazilian species.pt_BR
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectBiotecnologypt_BR
dc.titleThe primary gene pool of cassava (Manihot esculenta Crantz).pt_BR
dc.typeArtigo em anais e proceedingspt_BR
dc.date.updated2016-05-10T11:37:11Zpt_BR
dc.subject.thesagroMandiocapt_BR
dc.subject.thesagroBiotecnologiapt_BR
dc.subject.thesagroEspéciept_BR
dc.subject.thesagroManihot Esculentapt_BR
dc.subject.thesagroTaxonomiapt_BR
dc.subject.nalthesaurusCassavapt_BR
dc.format.extent2P. 3-14.pt_BR
riaa.ainfo.id134074pt_BR
riaa.ainfo.lastupdate2016-05-05pt_BR
dc.contributor.institutionJOSIAS CAVALCANTI, CPATSA.pt_BR
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