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dc.creatorTamele, O. H.-
dc.creatorSá, O. A. A. Lopes de-
dc.creatorBernardes, T. F.-
dc.creatorLara, M. A. S.-
dc.creatorCasagrande, D. R.-
dc.identifier.citationTAMELE, O. H. et al. Optimal defoliation management of brachiaria grass-forage peanut for balanced pasture establishment. Grass and Forage Science, Oxford, v. 73, n. 2, p. 522-531, June 2018.pt_BR
dc.description.abstractA well‐established canopy is crucial for a stable mixed grass–legume forage pasture. The aim of this study was to assess a defoliation intensity that can ensure the establishment of mixed pasture of brachiaria grass (Brachiaria brizantha) intercropped with forage peanut (Arachis pintoi). The treatments comprised four canopy heights: 10, 20, 30 and 40 cm, maintained throughout the first 3 years of pasture establishment. Canopy structure, morphogenetic and structural characteristics were measured. A block design was used with four replicates, and seasons of the year were considered using repeated measurements over time. Light interception during the experimental period was 86.3%, 95.9%, 97.6%, and 99.1% for 10, 20, 30 and 40 cm of defoliation respectively (p < .001). Competition for light in taller canopies (at 30 and 40 cm) caused etiolation of forage peanut (greater internode, petiolate and stolon lengths). This response promoted its upward growth, leading to a lower stolon density compared with 10 and 20 cm. The treatment at 10 cm displayed a predominance of forage peanut (up to 0.614), potentially compromising community stability. Overall, the 20 cm canopy height showed a desired botanical composition (from 0.20 to 0.45 of legume in forage mass) and thus was considered an ideal defoliation intensity for establishment of mixed canopies of brachiaria grass and forage peanut.pt_BR
dc.sourceGrass and Forage Sciencept_BR
dc.subjectArachis pintoipt_BR
dc.subjectPalisade grasspt_BR
dc.subjectPasture establishmentpt_BR
dc.subjectWarm‐season legumept_BR
dc.subjectGrama Palisadept_BR
dc.subjectEstabelecimento de pastopt_BR
dc.subjectLegume de estação quentept_BR
dc.titleOptimal defoliation management of brachiaria grass–forage peanut for balanced pasture establishmentpt_BR
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