Mycelial growth rate, yield, and biological conversion of P. microspora cultivated on substrates with various proportions of corn stalksa.
| Treatments | CK 76% SD | T1 57% SD, 19% CS | T2 38% SD, 38% CS | T3 19% SD, 57% CS | T4 76% CS | |
|---|---|---|---|---|---|---|
| Mycelial growth | GR/mm d−1 | 6.18 ± 0.29c | 6.24 ± 0.23c | 6.25 ± 0.19b | 6.71 ± 0.39a | 6.12 ± 0.71c |
| TCSC/d | 27.4 ± 0.55a | 26.6 ± 0.89a | 25.80 ± 0.45b | 24.8 ± 0.47c | 27.8 ± 0.58a | |
| TIH/d | 90.00 ± 0.71c | 87.20 ± 0.84b | 85.4 ± 0.89d | 90.20 ± 0.78c | 96.80 ± 1.28a | |
| Yield/g per bag | 1st flush | 216.03 ± 32.70a | 221.47 ± 18.28b | 227.15 ± 29.19a | 222.20 ± 32.41a | 174.00 ± 32.60b |
| 2nd flush | 42.51 ± 9.09a | 43.50 ± 8.27ab | 44.38 ± 8.94a | 33.12 ± 10.25b | 22.17 ± 7.07c | |
| Total | 258.59 ± 3.01b | 2 6 1.2 ± 5.85c | 275.66 ± 2.87a | 255.3 ± 6.03b | 194.75 ± 6.59d | |
| BE/% | 86.17 ± 0.03b | 8 6.96 ± 0.07c | 90.75 ± 0.04a | 85.14 ± 0.05b | 65.29 ± 0.13d |
a
SD (sawdust), CS (corn straw), GR (growth rate of mycelium), TCSC (time for complete substrate colonization), TIH (time for inoculation to harvest). Different letters (a–d) in the same column and rank indicate significant differences (P < 0.05).