Table 2.
Comparisons of mycelial growth according to pH and temperature conditions

Species Mycelial growth on PD agar plate (cm)* Time**(day) Growth rate***(cm/day)
pH 4.5 pH 5.0 pH 5.5 pH 6.0
Mucor circinelloides 25˚C 7.1±0.5 6.9±0.4 7.0±0.1 7.2±0.2 3 2.4
28˚C 7.2±0.2 7.3±0.2 7.7±0.6 7.5±0.3
30˚C 7.2±0.5 7.8±0.9 7.3±0.2 7.6±0.2
Cunninghamella elegans 25˚C 6.1±0.2 6.0±0.4 6.3±0.4 5.8±0.6 3 2.1
28˚C 6.9±0.4 6.7±0.5 6.8±0.0 6.2±0.2
30˚C 6.4±0.1 6.2±0.3 6.7±0.2 6.4±0.8
Umbelopsis isabellina 25˚C 7.0±0.3 7.2±0.2 7.5±0.1 7.6±0.1 9 0.8
28˚C 7.3±0.3 7.5±0.2 7.5±0.3 7.8±0.3
30˚C 6.7±0.2d,h 7.5±0.1 7.5±0.2 7.9±0.2a,i
Ophiostoma piceae 25˚C 7.5±0.2 7.0±0.8 7.4±0.7 7.0±0.1 17 0.4
28˚C 6.7±0.6 6.9±0.4 7.0±0.1 6.8±0.1
30˚C 6.1±0.1 6.1±0.3 5.7±0.1a 5.9±0.2a
Aureobasidium melanogenum 25˚C 7.5±0.3 7.1±0.1 7.5±0.1 7.3±0.1 14 0.5
28˚C 7.4±0.2 7.3±0.1 7.2±0.1 7.0±0.2
30˚C 6.6±0.1a,c,d,e,f 6.7±0.2a,c 6.6±0.2a 6.4±0.3a,b,c,d,e,f,g
The sizes of mycelium formed under various culture conditions were compared for each fungi at a 95% confidence level.
The day when 80% of the surface of the plate is covered.
Average fungi growth rate under all culture conditions.
a p < 0.05 vs. 25°C, pH 4.5; b p < 0.05 vs. 25°C, pH 5.0; c p < 0.05 vs. 25°C, pH 5.5; d p < 0.05 vs. 25°C, pH 6.0; e p < 0.05 vs. 28°C, pH 4.5; f p < 0.05 vs. 28°C, pH 5.0; g p < 0.05 vs. 28°C, pH 5.5; h p < 0.05 vs. 28°C, pH 6.0; i p < 0.05 vs. 30°C, pH 4.5