Effect of Different Carbon and Nitrogen Sources on Vegetative Growth of the King Oyster Mushroom (Pleurotus eryngii)

Document Type : Research Paper

Authors

1 .Department of Horticulture

2 College of Agriculture, Tarbiat Modarres University

3 Department of Plant Pathology

4 College of Agriculture, Tarbiat Modarres University, respectively

Abstract

Carbon and nitrogen are the most important constituents of the media which help in the synthesis of protein, protoplasm, nucleic acid, enzymes and cell wall materials. The effect of different carbon and nitrogen sources on mycelial growth of Pleurotus eryngii isolates were investigated. Among the carbohydrates tested maltose and galactose were the most effective on mycelia growth of isolates number 80 and 65 respectively. Glutamic acid and peptone produced the maximum growth of isolate No 80. Asparagin and peptone showed maximum growth of No 65. Maximum growth were observed when maltose was used at 22g/lit on isolate No 80 and 20 g/lit on isolate No 65. Maximum growth was obtained when aspargine was used at 3 g/lit on isolate No 80; in case of isolate No 65 maximum growth was recorded at 3 g/lit. It was observed that in the case of the former isolate, the growth continued to increase significantly up to the concentration of 2.5g/lit 

Keywords

References

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Iranian Journal of Soil Research
Volume 19, Issue 2
November 2005
Pages 173-179

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