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dc.contributor.authorSOUZA, E. M. B. de
dc.contributor.authorPACIULLO, D. S. C.
dc.contributor.authorGOMIDE, C. A. de M.
dc.contributor.authorROCHA, W. S. D. da
dc.contributor.authorSILVA, R. B. da
dc.contributor.authorLANA, A. M. Q.
dc.contributor.authorLOPES, L. S.
dc.date.accessioned2025-03-07T13:27:59Z-
dc.date.available2025-03-07T13:27:59Z-
dc.date.created2025-03-07
dc.date.issued2025
dc.identifier.citationRevista Brasileira de Zootecnia, v. 54, e20240111, 2025.
dc.identifier.urihttp://www.alice.cnptia.embrapa.br/alice/handle/doc/1173663-
dc.descriptionThis study aimed to characterize the response mechanisms and evaluate the resistance of Megathyrsus maximus hybrids to water deficit and waterlogging. The experiment was conducted in a greenhouse using a randomized block design with an 8 × 3 × 2 factorial arrangement. Treatments were a combination of eight genotypes of M. maximus, three water conditions (control, waterlogging, and water deficit), and two harvest times (20 days of water stress and 12 days post-recovery). Productive and morphological traits were evaluated at the end of the stress period and after the recovery period. All hybrids subjected to water deficit showed reduced aerial and root mass. However, a survival response was observed post-stress, with recovery of approximately 28.4% of the aerial part and 16.3% of the root system in all genotypes. Hybrid PM409 showed potential for adaptation to waterlogging, as suggested by the observed greater root production (41.2%) compared with the average production of other genotypes. In addition, there was no reduction on leaf and stem mass production compared with the control condition. The results suggest that no material showed to be resistant to water deficit. On the other hand, hybrid PM409 showed promising traits for waterlogging stress resistance.
dc.language.isoeng
dc.rightsopenAccess
dc.subjectEstresse hídrico
dc.subjectMassa radicular
dc.subjectBiomassa aérea
dc.subjectBroto
dc.subjectRecuperação
dc.titleProductive and morphological responses of Megathyrsus maximus hybrids subjected to water deficit and waterlogging.
dc.typeArtigo de periódico
dc.subject.thesagroBiomassa
dc.subject.thesagroProdução
dc.subject.thesagroRaiz
dc.subject.thesagroVolume
dc.subject.nalthesaurusBiomass production
riaa.ainfo.id1173663
riaa.ainfo.lastupdate2025-03-07
dc.identifier.doihttps://doi.org/10.37496/rbz5420240111
dc.contributor.institutionEDUARDO MOREIRA BARRADAS DE SOUZA, UNIVERSIDADE FEDERAL DE MINAS GERAIS; DOMINGOS SAVIO CAMPOS PACIULLO, CNPGL; CARLOS AUGUSTO DE MIRANDA GOMIDE, CNPGL; WADSON SEBASTIAO DUARTE DA ROCHA, CNPGL; RAFAEL BOLINA DA SILVA, UNIVERSIDADE FEDERAL DE VIÇOSA; ÂNGELA MARIA QUINTÃO LANA, UNIVERSIDADE FEDERAL DE MINAS GERAIS; LEANDRO SÂMIA LOPES, UNIVERSIDADE FEDERAL DE MINAS GERAIS.
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