In A. solani trials, B. linens (IC10) and B. subtilis showed the highest inhibitory effect reducing mycelial growth of the fungus by approximately 57%. A.incenata (IC6), B. linens (IB16), and A. aminovorans reduced A. solani growth by approximately 35%, 26%, and 10%, respectively. A.incenata (IB48) did not inhibit the mycelial growth of A. solani ( Table 1).