Biological characteristics and carbon source and nitogen source utilization ability of Corticium rolfsii

In the present paper, the biological characteristics and nutrition utilization ability of Corticium rolfsii isolated from Hordeum vulgare were studied. The basidiospore of C.rolfsii can germinate at temperature range from 5 to 30 ℃ and pH range from pH 4.53 to pH 9.18. The optimal germination conditions were 20 ℃ and pH 5.59 which had 76.5% germination ratio after 48 hours. The basidiospore can germinate in free water, however, it cannot germinate at relative humidity 100%. The basidiospore germination rates did not significantly improve under both nutrient solutions including sucrose, soil and leaf and light treatment. Under 15.5～21.0 ℃ and relative humidity 31%～71% conditions, the basidiospore still can germinate even after 69 days. The mycelia of C.rolfsii grew normally on media with carbon source such as starch, glucose, sucrose, fructose, cellulose, maltose, lactose, sorbitol, galactose, mannose, and xylose and nitrogen source such as urea, tyrosine, ammonium nitrate, threonine, ammonium carbonate, ammonium sulfate and glutamate. The mycelia of C.rolfsii grow grew slowly on media with sorbose and ammonium carbonate .