Isolation and Identification of Tomato Wilt Pathogen Under Green House Conditions in Tripoli Area

Abstract

The tomato crop is Lycopersico esculentum L. of the Solanaceae family. The considered world's first among the vegetable crops in terms of cultivated area annually. It is the third most important agricultural products after wheat and barley and the second most important vegetable crops after potatoes in Libya. The study aimed to isolate and identify the cause of tomato wilt disease its under greenhouse conditions. Four Fusarium oxysporum isolates were obtained from tomato roots and surrounding area growing under protected agricultural conditions at Janzour and Ein Zara in Tripoli- libay. The fungus were more frequent at Ein Zara area (37%), compared with Janzour (22%).