Lentil, lens culinaris Medik in Syria , is the most important food legume crop in terms of its nutritive value and area cultivated. The crop suffers, during its growth stages, from infection with several pets and diseases, amongst which. lentil vascular wilt caused by Fusarium oxysporum Schlecht and Snyder f. sp. lentis is the most important because of the substantial yield losses it caused, that may reach in severely infected areas to 100%