Abstract
We compared lipoxygenase (LOX) expression in cucumber in response to host and non-host pathogens. Our results displayed significant difference in expression of LOX between compatible and incompatible interaction at 12, 24 and 48 h after inoculation. Moreover, LOX expression at 72 h after inoculation was similar in both compatible and incompatible interaction. It seems that early induction of LOX plays a crucial role in plant defense against pathogens.