On-farm conservation and participatory maize On-farm conservation and participatory maize breeding in Portugal; lessons learnt and future ti perspectives Pedro Mendes-Moreira Maria Carlota Vaz Patto Maria Carlota Vaz Patto João Mendes Moreira Arnel Hallauer Silas Pêgo E l S i A ái d Ci b 21-10-2010 1 Escola Superior Agrária de Coimbra, Departamento de Ciências Agronómicas