Control of Early Blight of Tomato Caused by Alternaria Solani and Screening of Tomato Varieties against the Pathogen

Table 7: Inhibition percent of radial growth of Alternaria solani by dual culture, volatile and non-volatile metabolites of three Trichoderma isolates.

Isolates Trichoderma	Percent of Growth Inhibition of Alternaria solani
Isolates Trichoderma	Dual Culture	Volatile	Non-Volatile
T. viride	67.77	69.44	90
T. harzianum	64.44	61.11	87.22
Trichoderma sp	65.00	58.72	86.11