Table 5.

Bioactivity of concentrated peptaibol extracts (100 mg mL⁻¹) and their two-fold serial dilutions from Trichoderma gamsii SZMC 1656 and T. koningiopsis SZMC 12500 towards cultures of filamentous fungi.

Tested Filamentous Fungal Strain	Sensitivity to T. gamsii SZMC 1656 Extract	Sensitivity to T. koningiopsis SZMC 12500 Extract
Alternaria alternata SZMC 16085	+++++ *	+++ *
Fusarium solani species complex SZMC 11467	++	+
Rhizoctonia solani SZMC 6252J	++ *	+++ *
Phoma cucurbitacearum SZMC 16088	++ *	++++ *
T. aggressivum f. europaeum SZMC 1811	++	+
T. pleuroti SZMC 12454	++	+
T. gamsii SZMC 1656	+++	+++
T. koningiopsis SZMC 12500	+++	+++

inhibition of mycelial growth at dilution steps: +, 1st–2nd; ++, 3rd–4th; +++, 5th; ++++, 6th; +++++, 7 th. *, mycelial growth was completely stopped.