Morphological and productive correlations of cutting Pennisetum varieties under conditions of peruvian humid tropics

dc.contributor.authorPinchi Carbajal, Segundo Fidencio
dc.contributor.authorQuispe Ccasa, Hurley Abel
dc.contributor.authorAmpuero Trigoso, Gustavo
dc.contributor.authorNolasco Lozano, Emily
dc.contributor.authorSaucedo Uriarte, Jose Américo
dc.date.accessioned2024-09-03T16:12:05Z
dc.date.available2024-09-03T16:12:05Z
dc.date.issued2024-08-26
dc.description.abstractLivestock farming in the Peruvian tropics is based on the use of grazing forage, but cutting grasses offers greater productivity and seasonality advantages. In this study, the morphological and productive characteristics of King Grass Morado (KGM), Cuba OM-22 (CU), and Maralfalfa (MA) were evaluated and correlated with chlorophyll content under Peruvian humid tropic conditions. Five plots of 1 ha each were installed for the three Pennisetum varieties (2-1-2), with three samples per plot. No significant differences were found in plant height, leaf length, number of nodes, number of leaves/stem, number of stems, stem circumference, length of nodes, leaf, stems, and total weight, chlorophyll index (atLEAF CLOR), performance index (API), and dry matter. KGM stood out in tillering (12.86) (p<0.01), but CU and MA showed greater leaf width (4.16 and 4.42 cm, respectively) (p<0.05). The calculated biomass production was 40.3 t/ha for KGM, 24.5 t/ha for MA, and 76.5 t/ha for CU. MA had higher nitrogen (0.70%) and protein (4.33%) contents (p<0.01). The correlations were significant between stem height with the number of nodes and leaf width, stem circumference with stem, leaf, and total weight (p<0.05), and nitrogen and protein content were estimated with the atLEAF CLOR and API values of the basal leaves with R2 = 0.548 and R2 = 0.563, respectively (p<0.05). In conclusion, KGM, CU, and MA differed in some morphological and productive variables and were correlated with others; furthermore, the protein content could be estimated with the atLEAF CLOR and API values in these Pennisetum varieties.es_PE
dc.description.sponsorshipWe thank the Project “Mejoramiento de la disponibilidad y acceso del material genético mediante el uso de técnicas de biotecnología reproductiva en ganado bovino tropical en las regiones de San Martín, Loreto y Ucayali” [CUI N° 2338934] for funding this research, as well as César Tapullima and Joel Tuanama T. in sample collection.es_PE
dc.formatapplication/pdfes_PE
dc.identifier.citationPinchi-Carbajal, S.F.; Quispe-Ccasa, H.A.; Ampuero-Trigoso, G.; Nolasco-Lozano, E. & Saucedo-Uriarte, J.A. (2024). Morphological and productive correlations of cutting Pennisetum varieties under conditions of peruvian humid tropics. Tropical Animal Science Journal, 47(3), 363-370. doi: 10.5398/tasj.2024.47.3.363es_PE
dc.identifier.doihttps://doi.org/10.5398/tasj.2024.47.3.363
dc.identifier.issn2615-790X
dc.identifier.urihttps://hdl.handle.net/20.500.12955/2565
dc.language.isoenges_PE
dc.publisherBogor Agricultural Universityes_PE
dc.publisher.countryIDes_PE
dc.relation.ispartofurn:issn:2615-790Xes_PE
dc.relation.ispartofseriesTropical Animal Science Journales_PE
dc.rightsinfo:eu-repo/semantics/openAccesses_PE
dc.rights.urihttps://creativecommons.org/licenses/by-sa/4.0/es_PE
dc.sourceInstituto Nacional de Innovación Agrariaes_PE
dc.source.uriRepositorio Institucional - INIAes_PE
dc.subjectChlorophylles_PE
dc.subjectCuba OM-22es_PE
dc.subjectKing grass Moradoes_PE
dc.subjectMaralfalfaes_PE
dc.subjectRegressiones_PE
dc.subject.agrovocChlorophyllses_PE
dc.subject.agrovocClorofilaes_PE
dc.subject.agrovocPennisetum purpureumes_PE
dc.subject.agrovocCenchrus americanuses_PE
dc.subject.agrovocRegression analysises_PE
dc.subject.agrovocAnálisis de la regresiónes_PE
dc.subject.ocdehttps://purl.org/pe-repo/ocde/ford#4.01.06es_PE
dc.titleMorphological and productive correlations of cutting Pennisetum varieties under conditions of peruvian humid tropicses_PE
dc.typeinfo:eu-repo/semantics/articlees_PE

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