Various experimental methods were used to test natural resistance to moulds of the timber of eleven bamboo species, and the timber of Mao bamboo (Phyllostachys edulis (Carr.) H. de Lahaie) of different ages and from different positions on the stem. Bamboos were from north Zhe-jiang, the People's Republic of China. The results from analysis of variance and multiple contrasts were as follows:(1) The sequence of natural resistance of the timber of eleven bamboo species to the moulds from high to low was Phyllo...