It is well documented
that Trichoderma spp. possess innate resistance to fungicides
(Singh et al., 2002) and other antifungal benign molecules
(Sela-Buurlage et al., 1993). Once established, T. harzianum is a fast
growing fungus which rapidly captures the substrate (Xiao et al.,
2003). Furthermore, Trichoderma spp. are known to have several
antagonistic mechanisms including production of extracellular enzymes
which contribute to their success as a BCA