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Life (Basel, Switzerland)
May 17, 2024;14 (5):

Valorization of Leaf Powder as a Substrate in King Oyster Mushroom () Cultivation.

Haikang Li, Peng Liu, Zihao Li, Congtao Xu, Jinlong Pan, Yi Zhou, Qingxiu Hu, Suyue Zheng, Yajie Zou
Author Information
  1. Haikang Li: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  2. Peng Liu: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  3. Zihao Li: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  4. Congtao Xu: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  5. Jinlong Pan: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  6. Yi Zhou: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  7. Qingxiu Hu: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
  8. Suyue Zheng: Department of Gardens and Ecological Engineering, Hebei University of Engineering, Handan 056107, China.
  9. Yajie Zou: State Key Laboratory of Efficient Utilization of Arid and Semi-Arid Arable Land in Northern China, Beijing 100081, China.
PMID: 38792659 DOI: 10.3390/life14050639

Abstract

is widely planted as a colorful foliage tree, and its leaf can be used as a biomass energy source, but it has been underutilized for a long time. The aim of this study was to investigate the potential of garden waste as a substrate component in the cultivation process of the king oyster mushroom (), with the goal of enhancing both the yield of and the efficiency of energy use. The percentages of leaf powder in the substrate were 10.5% and 21% to replace sawdust or sugarcane bagasse in a typical substrate. A substrate formulation that could completely replace sawdust and sugarcane bagasse was selected by analyzing mycelial growth rate, days of production, fruiting body length, biological efficiency, yield, stipe thickness, pileus diameter and laccase activity. The results showed that Y1 (treatment with 21% leaf powder and sugarcane bagasse) had the highest yield (303.1 ± 31.9 g), which was higher than that of CK (control) (259.3 ± 37.4 g). The crude fiber content of the samples grown on substrate Y1 (as 7.43%) was higher than CK (7.37%). In addition, grown on substrate Y1 had the highest laccase activity for the complete colonization of the mycelium. Thus, these findings suggest that leaf powder represents a viable and economical supplement for enhancing both the yield and quality of .

Keywords

Ginkgo biloba leaf powder Pleurotus eryngii biological efficiency nutritional value substrate

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Grants

  1. CARS20/China Agriculture Research System
  2. CARS20/China Agriculture Research System
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