南方型黑杨品系短周期纤维材定向培育研究初报

Preliminary Report for Study on Directional Cultivation of Short-cycle Fibre Timber for Strains from Southern Type of Balck Poplar

本文以我省生产中的10个杨树品系为研究对象,以1a生苗木的生长量和杆重量以及纤维形态测定为指标,以1a轮伐期纤维材培育为目标,比较分析了不同品种之间的差异,并对其进行了多指标的综合评定。分析结果表明:1a生杨树苗木的各项性能指标均符合造纸原料要求。综合而言,中嘉2号、中潜2号和天寅杨更适于作为短周期纤维材进行定向培育,且应采取2a根1a杆的经营模式。

This article used 10 poplar strains occurred in forestry production of our province as research object, increment for 1—year old seedling, pole weight and measurement on fiber morphology as indicators and cultivation of fiber timber with 1 year of rotation as objective to compare and analyze difference among different varieties and carried out a multiple—indicators comprehensive appraisal. The analysis result showed that various items of performance indicators for 1 year old poplar seedling are suitable to requirement for new paper—making material, however, integrately speaking, Zhongjia No. 2 and Zhongqiang No. 2 and Tianyin poplar are more suitable for directional cultivation as short—cycle fiber timber, management pattern for 2 year root or 1 year pole should be adopted.