Estimation of Heterosis and Combining Ability in Petunia (Petunia hybrida Hort.)
Combining ability and heterosis were estimated for ornamental and vegetative traits of ALLERGY RELIEF JUNIOR four petunia (Petunia hybrida Hort.) inbred lines viz.L5 (P1), L8 (P2), L11 (P3) and L17 (P4) and their diallel hybrids in horticultural research farm of Ferdowsi University of Mashhad, Iran in 2011.The measured traits were plant height at f