Breeding of A Novel Pleurotus citrinopileatus Strain

doi:10.7506/spkx1002-6300-200921069

FOOD SCIENCE ›› 2009, Vol. 30 ›› Issue (21): 301-304.doi: 10.7506/spkx1002-6300-200921069

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Breeding of A Novel Pleurotus citrinopileatus Strain

CAI De-hua1，ZHANG Qiu-sheng1,*，DONG Hong-xin1，WANG Xiang-lan2，LIU Shu-fang3，WANG Yan-jie1

1. College of Life Science, Ludong University, Yantai 264025, China ；2. First Middle School of Haiyang, Haiyang 265100,
China；3. Teacher Training School of Haiyang, Haiyang 265100, China

Received:2008-11-07 Revised:2009-08-03 Online:2009-11-01 Published:2010-12-29
Contact: ZHANG Qiu-sheng E-mail:qiushengzhang@126.com

Abstract

Abstract:

The effect of 60Co-γ irradiation with different doses and dose rates on mycelial growth of Pleurotus citrinopileatus was investigated in this study. Mutant strains of Pleurotus citrinopileatus with high growth rate were obtained through 60Co-γ irradiation at 600 Gy and 43.5 Gy/h dose rate. After the regeneration of mycelia, a novel strain having the highest growth rate was screened, which showed an average increase of 21.1% when compared with that of the parental strain. Results of antagonistic test, esterase isozyme and peroxidase isozyme electrophoresis revealed significant genetic differences between the mutant strain and its parent stain. After six generations of continuous cultivation, the mutant strain kept the good growth vigor, thereby displaying high genetic stability.

Key words: Pleurotus citrinopileatus, mutagenesis, breeding

CLC Number:

S646

CAI De-hua1，ZHANG Qiu-sheng1,*，DONG Hong-xin1，WANG Xiang-lan2，LIU Shu-fang3，WANG Yan-jie1. Breeding of A Novel Pleurotus citrinopileatus Strain[J]. FOOD SCIENCE, 2009, 30(21): 301-304 https://doi.org/10.7506/spkx1002-6300-200921069

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Breeding of A Novel Pleurotus citrinopileatus Strain

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