The objective of this experiment was to evaluate the morphogenetic traits and biomass accumulation of Brachiaria brizantha cv. Xaraés subjected to doses of N (0, 125, 250, 375 and 500 kg.ha-1 N). The treatments were arranged in a completely randomized design with four replications. Morphogenetic traits and biomass accumulation of dry matter (DM).ha-1 were evaluated. The results were subjected to statistical analysis by grouping the data in two periods, rainy season and throughout the year. Nitrogen doses influenced leaf appearance […]

The objective of this study was to evaluate forage accumulation and morphogenetic and structural characteristics of marandu palisadegrass subjected to combinations of cutting heights and cutting intervals. The experiment was carried out from August 2003 to April 2004. Treatments corresponded to combinations between two cutting heights (15 and 30 cm) and three cutting intervals (time corresponding to the appearance of three, four and five new leaves per tiller), and they were allocated to experimental units according to a 2 × […]

The experiment was accomplished in a greenhouse from May to August of 2005, with the objective of to evaluate the effect of phosphorus and nitrogen fertilization on morphogenetic and structural characteristicas of Tanzania grass. The morphogenetic evaluations included leaf appearance, leaf elongation rate, and stem elongation rate. The structural evaluations measurements were: number of leaves, number of green leaves, number of tillers per plant, and final leaf length. It was used a complete randomized experimental design in 4 x 2 […]

This study aimed to evaluate the tolerance of Brachiaria species (B. decumbens, B. brizantha, B. humidicola and B. mutica) to low soil water potential. Morphogenetical, physiological and production characteristics were estimated during and after the stress period. The experimental treatments resulted from 4 x 5 factorial arrangement consisting of four Brachiaria species and five soil water potential (-0, 01; -0, 03; -0, 1; -0, 5 and -1, 5MPa) distributed in randomized block design, with three replications. The experiment was carried […]

Four cultivars of Panicum maximum: Mombaça, Tanzânia, Centenário and Vencedor were grown in pots, under a transparent plastic cover, to evaluate the dynamic of leaf and tillers growth. Two growths, the establishment and the aftermath, after clipping at the age of 21 days, and two types of tiller, main and primary tillers, were studied. A completely randomized design with four replicates was used to compare the treatments resulting from a 4 x 2 x 2 factorial arrangement. The leaf blade […]