Selection of poplar clones for the Lower Valley of the Colorado River, Argentina

Ten tree attributes were used to evaluate the performance of25 Populus deltoides clones in a selection trial in southernBuenos Aires, Argentina. A hierarchical cluster procedure wasused to group clones on a multivariate basis. Three Argentinianselections (clones INTA 347-69, 186-68 and 71-67) and one Italianselection (clone Fierolo) were recommended for larger trialsacross the region. Cluster analysis was an appropriate toolfor selecting genotypes with acceptable growth rate, desirableform and resistance to canker disease, rust and wind damage.