Abstract:

Chitosan metal complexes(CMC) are the metal salts chelating with chitosan that is a non-toxic, polyamino-carbohydrate derived from the natural product chitin, which is the second most abundant natural polymer after cellulose and mainly exists in crustacean shells. Available researches showed that CMC such as chitosan copper complex(CCC) and chitosan zinc complex(CZC) as a potential environment friendly wood preservative taking place of CCA in future had high effectiveness against both attacks from wood rotting fungi and termite. The anti-mold effects of chitosan copper/zinc complex (CCC and CZC for short) on bamboo wood of Phyllostachys pubescens were reported in this paper. Results showed that the anti-mold effects of CCC and chlorothalonil on Trichoderma viride Pers.ex Fr., Penicillium citrinum Thom. And Aspergillus niger V. Tiegh. Were all better than that of CZC, chitosan and boric acid. The anti-mold effects of CCC to Penicillium citrinum Thom. Was better than that of chlorothalonile, while bamboo wood treated with chlorothalonile had higher resistance to Trichoderma viride Pers.ex Fr. Than that of treated with CCC.

Key words: CMC wood preservative, bamboo wood, anti-mold effects