Pedosphere 21(2): 146--153, 2011
ISSN 1002-0160/CN 32-1315/P
©2011 Soil Science Society of China
Published by Elsevier B.V. and Science Press
Medicinal mushroom growth as affected by non-axenic casing soil
D. C. ZIED1, M. T. A. MINHONI1, J. KOPYTOWSKI-FILHO1, L. BARBOSA2 and M. C. N. ANDRADE3
1 Departamento de Produção Vegetal (Defesa Fitossanitária), Faculdade de Ciências Agronômicas, Universidade Estadual Paulista, 18603-970 Botucatu (Brazil)
2 Departamento de Bioestatística, Instituto de Biociência de Botucatu, Universidade Estadual Paulista, 18618-000 Botucatu (Brazil)
3 Instituto Nacional de Pesquisa da Amaz onia, INPA, 69060-001 Manaus (Brazil)
ABSTRACT
      Ten different casing soils were collected from two soils at two depths (0.2 and 2.0 m below soil surface) to examine the relationships between the physical properties of non-axenic casing soil and yield,number and weight of the medicinal mushroom Agaricus blazei ss.Heinemann.The results showed that soil clay content and bulk density were negatively correlated with the mushroom yield,respectively,but soil silt content and water-holding capacity were found to be positively correlated with the yield.The number of mushrooms was negatively correlated with soil water-holding capacity but positively correlated with soil clay,bulk density and porosity.The weight of mushroom was positively correlated with the content of soil fine sand and negatively correlated with the contents of soil coarse sand,total sand and clay.Neither soil depth nor different soil combinations affected the yield and number of mushrooms,but the mushroom weight was affected by the soil combinations and soil depth,so interplay in the fructification process with the physical characteristics of casing is complicated.
Key Words:  Agaricus blazei, casing layer, quality factors, soil depth, soil particles
Citation: Zied, D. C., Minhoni, T. A., Kopytowski-filho, J., Barbosa, L. and Andrade, C. N. 2011. Medicinal mushroom growth as affected by non-axenic casing soil. Pedosphere. 21(2): 146-153.
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