67 心材色素の木材腐朽菌生長抑制作用 : 主としてDistylinの木材中に於ける1意義について

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The growth-regulating activity certain flavone pigments against wood-destroying fungi was examined under the following experimental conditions in vitro : flavonoids…distylin (3,3', 4', 5,7,-pentahydroxy flavanone) and quercetin(3,3', 4', 5,7-pentahydroxy flavone)substratum…agar substrate containg cane sugar, asparagine and other inorganic compounds.fungi…Poria vaporaria Pers and Polystictus sanguineus (L.)Friet.conditions…average temperature 29.5℃. range of relative humidity 63-75.From the difference between these colony-diameters and those of contrast, we found that distylin strongly controls the growth of fungi with increase of its concentration, and in the case of lower concentration it inversely exhibits the growth-promoting activity on Polystictus sanguineus (L, ) Fries.
一般社団法人日本森林学会の論文
1951-11-25