MATERIALS AND METHOD
A. Source of Fungi and tomato filed
Pathogenic fungal isolates, F. solani (Mart.) Sacc. f.
sp. Eumartii and Fusarium oxysporum f. sp.
Lycopersici were isolated from tomato roots according
to method described by Nelson et al. (1983). Nonpathogenic
fungal isolates (Trichoderma spp.), T.
harzianum, T. Asperellum and T. virens were obtained
from tomato rhizosphere and field soil during the
preliminary study according to methods described by
Elad and Chet (1983) and Harman (2006).