Microbial Isolates % mycelial growth  inhibition Zone of inhibition (mm)
T . hamatum (PB 28/59 Akw-wa) 44.4 ± 2.3 0.0
T. hamatum (PB 5/51 Iya) 32.5 ± 0.7 0.0
T. aureoviride (Akw-fru) 38.5 ± 1.3 0.0
T. aureoviride(PB5/51 Iya) 38.0 ± 0.0 0.0
T. viride ( PB 5/51 Akw) 29.9 ± 1.4 0.0
T. viride (5/51 Iya) 27.9 ± 1.4 0.0
T. polysporium (PB5/51 Iya) 26.8 ± 0.3 0.0
Penicillium sp2(PB 5/51 Akw-wa) 22.8 ± 1.4 10.0 ± 1.4
Penicillium sp1(PB 5/51 Iya) 11.4 ± 0.8 15.0 ± 0.6
Penicillium sp1(PB 5/51 Akw-wa) 19.1 ± 0.1 12.0 ± 0.3
A. niger (PB 5/51 Iya) 21.4 ± 0.6 12.0 ± 0.3
A. niger (PB 5/51 Akw-wa) 18.1 ± 1.4 11.0 ± 1.4
B. theobromae (PB 5/51 Iya) 48.3 ± 1.4 0.0
B. theobromae (PB 28/59 Akw) 42.3 ± 2.4 0.0
Bacillus sp. 10.0 ± 0.3 5.0 ± 0.7
B.cereus var mycoides 0.0 0.0
Staphylococcus sp. 0.0 0.0
Table 4: In vitro mycelial extension growth inhibition by the rubber-roots zone isolates against R. lignosus.