Cauliflower (Brassica oleracea C.v. capitata) cyst nematode in Libya

Abstract

Spherical to lemon shape white females, brown and dark cysts with projecting necks have been found on the roots and in the soil. They have ambifenestrate vulval cone with semifenestral arches sepcrated by a narrow vulval bridge. This description fits the Heterodera cruciferae Franklin (1945). in which it is a new record on cauliflower in Libya.