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Why did Japan replace CCA by alternatives?
2004 - IRG/WP 04-50215
Since chromated copper arsenate (CCA) was technically introduced into Japan in 1963, CCA was used for extending service life of various wood commodities, especially sill plates (dodai) in Japanese houses. However, the problem on the disposal of CCA-treated wood waste became public and related industry concern, and questionnaire survey conducted by Japan Wood Preservers’ Industry Association ind...
H Ishida, T Ito, M Yamai, H Matsusaka, K Tsunoda


Characterization of cell wall morphology and water-soluble extractives in Japanese larch decayed by white-pocket-rot fungi
2024 - IRG/WP 24-11034
Porodaedalea chrysoloma (Fr.) Fiasson & Niemelä is a basidiomycete that can cause white-rot decay in Japanese larch (Larix kaempferi) heartwood. P. chrysoloma is a white-rot fungus with a unique pattern that causes white-pocket-rot in the xylem of Japanese larch. However, the mechanism by which P. chrysoloma yields the pattern of white-pocket-rot in Japanese larch heartwood remains unclear. Thus,...
Y Mori, H Arai, T Ito, H Hashitani, K Yamashita, Y Ota, M Kiguchi