Metamitron and shade effects on leaf physiology and thinning efficacy of Malus X domestica Borkh - Rosa, Nídia; Ávila, Glória; Carbó, Joaquim; Verjans, Wim; Pais, Isabel Pereira; Silva, Isabel Bernardes; Louro Martins, Luisa; Mourato, Miguel; Carvalho, Luísa Cristina; Oliveira, Cristina M.; Scotti-Campos, Paula; Ramalho, José C. (2021)