スギ黒粒葉枯病に関する研究(III) : 菌そうの培養的性質

概要

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Chloroscypha seaveri (REHM) SEAVER, a needle blight of sugi (Cryptomeria japonica D. DON), grew well on both agar and liquid media of potato sucrose, EMERSON's (containing yeast extract) and malt extract. Mycelial growth was poor on both agar and liquid media of potato extract (Difco), sugi needle decoction, WAKSMAN's, RICHARDS', and CZAPEK's. No mycelial growth was observed on synthetic media such as CURRIE's, MAYER's, SMITH's, HOPKINS', NAGELI's, and Asparagine. The fungus grew at temperatures varying from 0〜30℃, but the optimum temperature was 20〜25℃. The optimum pH for mycelial growth ranged from 5.9 to 6.4. Soluble starch used as the carbon source of WAKSMAN's medium instead of glucose resulted in the best mycelial growth among the carbon sources tested in this study. Fractose, mannitol, and sucrose, each also resulted in better growth of the fungus than glucose. The addition of thiamine and biotin to the potato dextrose medium had no effect on mycelial growth.
日本森林学会の論文
1985-07-25