Establishment of Evaluation Index System of High-Quality Phyllostachys heterocycla for Industrial Timber in Hunan Province

Abstract

In order to provide a theoretical basis for selection,breeding and planting of high-quality Phyllostachys heterocycla for industrial timber,the structure of P.heterocycla forest was investigated by using sample plot investigation method,culms form structure and biomass of bamboo were determined by using sample bamboo analytical method,samples for testing wood properties were collected referring to GB/T15780-1995,and physical,mechanical and chemical properties indexes were determined by using laboratory test and analysis method.Seven first grade indexes and 21 corresponding second grade indexes were determined,based on results of systematically researching the data and advices from experts,and the seven first grade indexes were diameter at breast height,bamboo wall thickness at breast height,material quality,height,culms mass,culms form,tapering grade,respectively.An evaluation index system of high-quality P.heterocycla for industrial timber was established,and the weights of all indexes were determined by using analytic hierarchy process.The results of single test showed satisfying consistency.

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