Lopes, Carlos Manuel AntunesLopes, António José de Oliveira2010-11-112010-11-112009http://hdl.handle.net/10400.5/2456Mestrado em Viticultura e Enologia - Instituto Superior de Agronomia / Universidade do PortoForetelling the annual wine yield is crucial as it enables preliminary planning and management of the available resources and to assess whether the expected yield satisfies the needs while ensuring quality. Based on 2009 records in Syrah variety pertaining to three different stages, elements of productivity were gathered to select variables in order to estimate the final yield as accurately as possible, and to reduce the berry counting task, usually associated with yield estimation methods.porvitis viniferagrapevineberry weightyield estimationvideiraprevisão da colheitapeso do bagorendimentomaster thesis