Effect of Carya cathayensis Sarg Shell Substrate on Yield and Nutrient Amount of Pleurotus geesteranus

Jinping  Zhang; Xuebin  Li; Yue  Ying; Xiaohua  Yao

doi:10.4236/gep.2019.711002

Jinping Zhang^*, Xuebin Li, Yue Ying, Xiaohua Yao

Abstract: Using cottonseed hull as the control substrate, different proportions of the untreated and treated Carya cathayensis Sarg shells were added to cultivation of Pleurotus geesteranus. The mycelial growth rate, yield, nutritional composition and contents of heavy metals of the Pleurotus geesteranus cultivated on these substrates were determined. The results suggest that added to treated Carya cathayensis Sarg shell promoted the mycelial growth and increased the yield, biological efficiency and the contents of crude fiber, ash, amino acids and essential amino acids of Pleurotus geesteranus. In addition, the fat content and soluble sugar contents of Pleurotus geesteranus were decreased with the increase of the Carya cathayensis Sarg shell content in substrate, but their contents of heavy metals including mercury (Hg), arsenic (As), cadmium (Cd) and lead (Pb) were higher than that obtained on control substrate.

Keywords: Carya cathayensis sarg Shell, Pleurotus geesteranus, Mycelial Growth Rate, Yield, Nutrients

Cite this paper: Zhang, J. , Li, X. , Ying, Y. and Yao, X. (2019) Effect of Carya cathayensis Sarg Shell Substrate on Yield and Nutrient Amount of Pleurotus geesteranus. Journal of Geoscience and Environment Protection, 7, 11-23. doi: 10.4236/gep.2019.711002.

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