Figure 1
Figure 2
Figure 3
The content of heavy metals (mg·kg−1 ± SD) in fruiting bodies of three Pleurotus species cultured in composted giant grass
| Pleurotus species | Hg | As | Pb | Cd |
|---|---|---|---|---|
| P. florida | 0.015a | 0.043b | 0.017b | 0.130b |
| P. pulmonarius | 0.012c | 0.047a | 0.018a | 0.136a |
| P. ostreatus | 0.014b | 0.042c | 0.015c | 0.123c |
Enzyme activities (Iu·dm−3 ± SD) at the mycelia colonization stage of three Pleurotus species cultured in composted giant grass
| Pleurotus species | Glucosidase | Amylase | MnP | Xylanase | LiP | Laccase | CMCase | FPase |
|---|---|---|---|---|---|---|---|---|
| P. florida | 125.5±2.8b | 320.3±10.5a | 223.2±4.6b | 93.6±2.8c | 611.8±11.1a | 97.2±2.6c | 524.5±15.0a | 311.1±8.8a |
| P. pulmonarius | 93.8±4.4c | 256.9±10.6b | 158.1±15.3c | 145.1±5.5a | 481.9±24.5b | 113.7±4.7b | 373.1±16.2b | 214.2±2.8c |
| P. ostreatus | 156.8±2.3a | 266.5±5.7b | 248.3±9.6a | 116.4±7.2b | 649.6±26.8a | 141.7±6.0a | 278.4±23.0c | 257.3±8.9b |
The content of nutrients in fruiting bodies (mg·g−1 ± SD) of three Pleurotus species cultured in composted giant grass
| Pleurotus species | Polysaccharides | Protein | Carbohydrate | Amino acids total | Fat | Crude ash | Fiber |
|---|---|---|---|---|---|---|---|
| P. florida | 3.47±0.01c | 114.25±0.98b | 96.29±1.10c | 2.89±0.01a | 51.18±0.11a | 12.63±0.23b | 19.89±0.48a |
| P. pulmonarius | 3.88±0.01b | 108.55±1.03c | 105.54±1.55b | 2.68±0.01b | 43.56±0.77c | 15.26±0.22a | 17.30±0.62b |
| P. ostreatus | 4.11±0.02a | 121.54±1.03a | 110.75±1.03a | 2.35±0.07c | 48.77±0.07b | 11.69±0.27c | 20.42±0.72a |
Mycelia growth and productive capacity of three Pleurotus species cultured in composted giant grass
| Pleurotus species | Mycelia growth (days) | Primordia initiation (days) | No. of fruiting bodies | Fresh fruiting body weight (g) | Stipe length (cm) | Pileus diameter (cm) | BE* (%) |
|---|---|---|---|---|---|---|---|
| P. florida | 23.9±1.2a | 46.4±1.5c | 15.8±3.2c | 152.2±11.0b | 5.9±0.4a | 8.2±0.7b | 72.5±5.2c |
| P. pulmonarius | 26.5±3.0b | 38.9±3.0a | 23.2±3.3a | 173.4±13.0a | 5.4±0.4b | 7.5±0.8c | 82.6±6.2a |
| P. ostreatus | 25.3±1.5b | 42.0±1.9b | 18.5 ± 2.6b | 166.5 ±12.7a | 5.6±0.5b | 8.7±0.4a | 78.6±5.8b |
Enzyme activities (Iu·dm−3 ± SD) at the fruiting stage of three Pleurotus species cultured in composted giant grass
| Pleurotus species | Glucosidase | Amylase | MnP | Xylanase | LiP | Laccase | CMCase | FPase |
|---|---|---|---|---|---|---|---|---|
| P. florida | 98.7±1.8b | 181.2±9.9b | 272.7±4.7a | 132.3±4.8b | 610.3±11.2b | 147.5±3.4ab | 301.3±4.5b | 237.6±9.8b |
| P. pulmonarius | 99.6±4.5b | 300.1±14.4a | 177.6±7.2b | 198.9±8.2a | 715.0±16.1a | 145.8±2.3b | 550.3±30.4a | 204.1±12.8c |
| P. ostreatus | 151.3±5.2a | 144.9±16.5c | 184.6±4.7b | 98.4±6.2c | 441.1±6.8c | 154.9±6.0a | 288.4±15.2b | 349.5±11.2a |
Enzyme activities (Iu·dm−3 ± SD) at the inoculation stage of three different Pleurotus species cultured in composted giant grass
| Pleurotus species | Glucosidase | Amylase | MnP | Xylanase | LiP | Laccase | CMCase | FPase |
|---|---|---|---|---|---|---|---|---|
| P. florida | 153.7±1.5b | 372.7±5.3a | 148.9±14.4b | 143.5±2.3b | 601.4±5.6a | 163.2±8.0a | 495.8±21.6a | 257.3±13.1b |
| P. pulmonarius | 164.8±3.7a | 249.0±12.9b | 273.4±6.9a | 173.4±8.1a | 632.6±18.1a | 90.4±4.0b | 311.4±14.9b | 418.7±13.8a |
| P. ostreatus | 165.1±4.7a | 202.7±16.4c | 271.7±13.9a | 118.0±3.2c | 603.6±23.6a | 98.7±7.7b | 478.6±1.3a | 154.5±21.1c |