Gibberellins diffusing from the developing fruits are the
major cause of alternate bearing in apples (Williams and
Edgerton, 1981). This effect of gibberellins takes place very
soon, within 3–8 weeks after full bloom (Chan and Cain, 1967;
Faust, 1989). To demonstrate the flower bud induction period in
peach under Mediterranean climatic conditions, Jourdain and