Hortic. res. Hortic. res. Pedigree analysis of 220 almond genotypes reveals two world mainstream breeding lines based on only three different cultivars Pérez de los Cobos F. Martínez-García P.J. Romero A. Miarnau X. Eduardo I. Howad W. Mnejja M. Dicenta F. Socias i Company R. Rubio-Cabetas M.J. Gradziel T.M. Wirthensohn M. Duval H. Holland D. Arús P. Vargas F.J. Batlle I. 2021 research-article