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Abstract
To study the effect of different defoliation regimes on light interception, forage yield, spring regrowth and quality of one of the most expanded species in this region, Chloris gayana, we evaluate combinations of two defoliation frequencies (300 and 500 GDD) and two intensities (1 and 3 green stubble leaves) in a controlled experiment that comprised 1500 GDD during summer and autumn. Defoliation frequency had a greater effect on the evaluated traits than [ver mas...]
dc.contributor.authorRuolo, Maria Soledad
dc.contributor.authorPerez, Hector Eduardo
dc.contributor.authorRodriguez, Adriana Mabel
dc.date.accessioned2022-03-10T10:20:25Z
dc.date.available2022-03-10T10:20:25Z
dc.date.issued2022-02-22
dc.identifier.issn0028-8233
dc.identifier.issn1175-8775 (online)
dc.identifier.otherhttps://doi.org/10.1080/00288233.2022.2038212
dc.identifier.urihttp://hdl.handle.net/20.500.12123/11357
dc.identifier.urihttps://www.tandfonline.com/doi/abs/10.1080/00288233.2022.2038212?src=&journalCode=tnza20
dc.description.abstractTo study the effect of different defoliation regimes on light interception, forage yield, spring regrowth and quality of one of the most expanded species in this region, Chloris gayana, we evaluate combinations of two defoliation frequencies (300 and 500 GDD) and two intensities (1 and 3 green stubble leaves) in a controlled experiment that comprised 1500 GDD during summer and autumn. Defoliation frequency had a greater effect on the evaluated traits than defoliation intensity. Forage yield was lower under the higher (300 GDD) than under the lower (500 GDD) frequency defoliation (6699 vs. 8961 kg DM/ha, respectively), but forage showed higher leaf percentage (69.8 vs. 53.2%) and better nutritional value at 300 GDD (17.4 vs. 15.6%, 64.1 vs. 62.1%, 60.9 vs. 63.2% and 67.7 vs. 62.4% of crude protein, dry matter digestibility, neutral detergent fiber and its digestibility, respectively) than at 500 GDD. Spring tiller density was not affected by any of the defoliation regimes. Better livestock performance could be obtained by grazing at 300 GDD, but considering the whole growing season, more digestible dry matter is likely to be produced under defoliations every 500 GDD than every 300 GDD.eng
dc.formatapplication/pdfes_AR
dc.language.isoenges_AR
dc.publisherTaylor and Francises_AR
dc.rightsinfo:eu-repo/semantics/restrictedAccesses_AR
dc.sourceNew Zealand Journal of Agricultural Research (2022). (Published online: 22 Feb 2022)es_AR
dc.subjectChloris Gayanaes_AR
dc.subjectProductivityeng
dc.subjectDigestibilityeng
dc.subjectCrude Proteineng
dc.subjectProductividades_AR
dc.subjectDefoliaciónes_AR
dc.subjectDigestibilidad
dc.subjectProteina Buta
dc.subjectDefoliationeng
dc.subject.otherRhodes Grasseng
dc.subject.otherDefoliation Managementeng
dc.titleLight interception, yield, spring regrowth and quality of Chloris gayana under different defoliation regimeses_AR
dc.typeinfo:ar-repo/semantics/artículoes_AR
dc.typeinfo:eu-repo/semantics/articlees_AR
dc.typeinfo:eu-repo/semantics/publishedVersiones_AR
dc.description.origenInstituto de Fisiología y Recursos Genéticos Vegetaleses_AR
dc.description.filFil: Ruolo, Maria Soledad. Instituto Nacional de Tecnología Agropecuaria (INTA). Instituto de Fisiología y Recursos Genéticos Vegetales; Argentinaes_AR
dc.description.filFil: Ruolo, Maria Soledad. Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET). Unidad de Estudios Agropecuarios (UDEA); Argentinaes_AR
dc.description.filFil: Ruolo, Maria Soledad. Universidad Nacional de Córdoba. Facultad de Ciencias Agropecuarias. Departamento de Producción Animal. Cátedra de Forrajes y manejo de pasturas; Argentinaes_AR
dc.description.filFil: Perez, Hector Eduardo. Instituto Nacional de Tecnología Agropecuaria (INTA). Estación Experimental Agropecuaria Manfredi; Argentinaes_AR
dc.description.filFil: Rodriguez, Adriana Mabel. Universidad de Buenos Aires. Facultad de Agronomía. Departamento de Producción Animal. Cátedra de Forrajicultura; Argentinaes_AR
dc.subtypecientifico


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