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dc.contributor.authorSOBREIRA, A. M.
dc.contributor.authorSIMOES, W. L.
dc.contributor.authorNUNES, G. H. de S.
dc.contributor.authorSILVEIRA, L. M. da
dc.contributor.authorANTONIO, R. P.
dc.date.accessioned2023-07-20T13:24:28Z-
dc.date.available2023-07-20T13:24:28Z-
dc.date.created2023-07-20
dc.date.issued2023
dc.identifier.citationRevista Caatinga, v. 36, n. 3, p. 711-722, jul./set. 2023.
dc.identifier.issn1983-2125
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1155070-
dc.descriptionThe objective of this work was to select water deficit-tolerant accessions of the genus Manihot, through morphological characters under different water regimes. The experiment was conducted in a randomized block design, using a split-plot arrangement with plots consisting of tree water regimes (simulated rainfall and water depth of 100 and 20% crop evapotranspiration (ETc)), and subplots consisting of eight accessions of the genus Manihot(Gema-de-Ovo and Engana-Ladrão from the species M. esculenta Crantz, and BGMS-115, BGMS-110, BGMS-102, BGMS-79, BGMS-24, and BGMS-48 from Manihot sp.). The accessions were evaluated considering two crop cycles: the first had 120 and 60 days from the application of the treatments. Plant height, stem diameter, number of leaves, leaf lobe length and shoot dry mass production were evaluated. For each cropping cycle, a split-plot analysis of variance was performed. The highest genotypic means were expressed by the accessions BGMS-115, BGMS-102, BGMS-79 and BGMS-24 for most of the analyzed variables, regardless of the cultivation cycle. For the characteristic shoot dry mass production, accessions BGMS-102 and BGMS-79 showed the best performances under conditions of limited water regime (20% ETc), regardless of the cropping cycle. Accession BGMS-102 was also grouped in the group with the highest genotypic means, for this trait, in treatments with rain simulation and 100% ETc, in the first cycle, demonstrating that, under stress conditions, this accession is an option to tolerate low water precipitation and responds well when higher precipitation occurs.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectSemiárido
dc.subjectSeleção de acessos
dc.subjectTolerância ao déficit hídrico
dc.subjectGênero Manihot
dc.titleWater regimes on the development of accessions of the Manihot genus.
dc.typeArtigo de periódico
dc.subject.thesagroMorfologia Vegetal
dc.subject.thesagroSolo
dc.subject.thesagroMandioca
dc.subject.thesagroManihot Esculenta
dc.subject.nalthesaurusSoil water deficit
dc.subject.nalthesaurusManihot
riaa.ainfo.id1155070
riaa.ainfo.lastupdate2023-07-20
dc.identifier.doihttp://dx.doi.org/10.1590/1983-21252023v36n323rc
dc.contributor.institutionALYSSON M. SOBREIRA, Universidade Federal Rural de Pernambuco, Serra Talhada, PE; WELSON LIMA SIMOES, CPATSA; GLAUBER H. DE S. NUNES, Universidade Federal Rural do Semi-Árido, Mossoró, RN; LINDOMAR M. DA SILVEIRA, Universidade Federal Rural do Semi-Árido, Mossoró, RN; RAFAELA PRISCILA ANTONIO, CPATSA.
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