The experiment was conducted in the “Athanasakis brothers”
commercial apple (M. domestica Borkh., cvs Granny Smith, Fyriki,
Fuji Kiku 8 and Imperial Double Red Delicious (Imperial D.R.D.))
orchard located in Imathia, central Macedonia, which is a prefec-
ture, where the majority of Greek apple cultivation takes place
(49%, in 2006) (Hellenic Statistical Authority). The cultivars Granny
Smith, Fuji Kiku 8 and Imperial Double Red Delicious are, or belong
to a family that is, of the most widely cultivated in the world,
and cultivar Fyriki, is a local genotype originating from Magnisia
(central Greece).