Treatments [natural pollination: Poll; emasculation: Em; indole-3-acetic acid: IAA (2 9 10-5 M); naphthalene acetic acid: NAA (2 9 10-5 M); gibberellin: GA3 (1 9 10-5 M), and paclobutrazol: PCB (1 9 10-5 M)] either alone or in combinations were applied to two flowers at each node (one flower on main branch and one flower on side branch) on both branches.