Mestrado em Engenharia Agronómica - Instituto Superior de Agronomia; With the aim of evaluating the potential of five ‘Rocha’ pear clones (1, 2, 4c, T and Z), a field trial was conducted at APAS orchard, located in Cadaval (Sobrena). All the clones were grafted onto Provence BA-29, EMA and Sydo rootstocks and trees grown under identical soil and climate conditions. The agronomic characteristics and economic res...