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Archivos de Zootecnia

On-line version ISSN 1885-4494Print version ISSN 0004-0592


TEIXEIRA, V.I. et al. Agronomic and bromatologic aspects of forage legumes from Brazilian NE. Arch. zootec. [online]. 2010, vol.59, n.226, pp.245-254. ISSN 1885-4494.

The aim of this work was to evaluate the agronomic and bromatologic aspects of nine herbaceous forage legumes. Legumes studied included C. ternatea L., D. heterocarpon (L.) DC. subsp. ovalifolium (Prain) Ohashi cv. Itabela, A. pintoi Krap and Greg. cv. Amarillo, Pueraria phaseoloides (Roxb.) Benth, S. guianensis (Aubl.) Sw. cv. Bandeirante, cv. Cook and cv. Mineirão and Stylosanthes macrocephala Ferreira e Sousa Costa cv. Pioneiro. The following response variables were measured: soil cover, plant height, fresh matter production, stand, seed production, FDN, FDA, hemicellulose, lignin, PB and MM concentrations of leaves and stems. Four cuts were performed during the experimental period. Cutting intensities were at the ground level for the first cut and 5 cm for the following cuts. It was used a complete randomized block design with three replications per treatment. C. ternatea showed the greatest fresh matter yield summed along the four cuts (45.6 t/ha/432 d). This same legume showed one of the greatest PB concentrations, both for leaves (27.4%) and for stems (11.5%). At 43 days after transplanting, C. mucunoides showed the greatest soil coverage. During the 432 days of experimental period, the S. guianensis cultivars did not flower, however, C. mucunoides, C. ternatea, and S. macrocephala presented the greatest seed production. A. pintoi, C. ternatea and C. mucunoides showed greater potential for forage production in this region, and with C. ternatea presenting the most promising results in terms of chemical composition.

Keywords : Diseases; Flowering; Plant height; Pests; Seed; Chemical composition.

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