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Ability of Three Pleurotus Species for Effective use of Giant Grass Compost

Obed Niyimbabazi
Obed Niyimbabazi
, 
Aimable Nsanzinshuti
Aimable Nsanzinshuti
, 
Mediatrice Hatungimana
Mediatrice Hatungimana
, 
Hui Lin
Hui Lin
, 
Lili Zhang
Lili Zhang
, 
Dongmei Lin
Dongmei Lin
 e 
Lin Zhanxi
Lin Zhanxi
   | 22 giu 2022
Journal of Horticultural Research's Cover Image
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Pubblicato online: 22 giu 2022
Pagine: 67 - 76
Ricevuto: 01 mar 2022
Accettato: 01 mag 2022
DOI: https://doi.org/10.2478/johr-2022-0006
Parole chiave
© 2022 Obed Niyimbabazi et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Figure 1

Comparison of enzymatic activities of three Pleurotus species cultured in composted giant grass at the inoculation phase (comparisons were made within species)
Comparison of enzymatic activities of three Pleurotus species cultured in composted giant grass at the inoculation phase (comparisons were made within species)

Figure 2

Comparison of enzymatic activities of three Pleurotus species cultured in composted giant grass at the mycelial colonization phase
Comparison of enzymatic activities of three Pleurotus species cultured in composted giant grass at the mycelial colonization phase

Figure 3

Comparison of enzymatic activities of three Pleurotus species cultured in composted giant grasses at the fruiting stage
Comparison of enzymatic activities of three Pleurotus species cultured in composted giant grasses at the fruiting stage

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
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