Dimitrios Baxevanos, Delta & Pine Land Hellas, 25 Therimioutou, Gianuli Larissa, Greece, Jesus Rossi, DeltaPine, Spain, Monte Carmelo, 33, Seville, 41011, Spain, C. Goulas, University of Thessalonica, Plant Breeding Lab, Forestry Department, Irdas 33, Thessalonica, Greece, and S. Tzortios, University of Thessaly/School of Agricultural Sciences/Lab. Of Biometry, Fytokou str., N. Ionia, Volos, Greece.