Abstract
Morphogenetic characteristics of two accesses of Bromus catharticus Vahl. (Agros-tologia and Platano) were studied during the establishment period. The experiment was carried out in greenhouse at UFPEL, Animal Science Department, using pots in a completely randomized design with eight replications, from June 19th to August 11th, in 2006. Plants were evaluated with intervals from two to three days in a week. Length and number of the leaf blades in the main tillers were measured, with scale and marked with a colour wire. Leaf appearance rate and phyllochron did not differ significantly (p>0.05) for both accesses, however, leaf elongation rate of Platano was higher (p<0.05) than of Agrostologia access.
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