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作 者:赵静[1] 彭祚登[1] 江丽媛[1] 孙龙[1] 谭晓红[1]
机构地区:[1]北京林业大学省部共建森林培育与保护教育部重点实验室,北京100083
出 处:《林业科学》2013年第5期182-187,共6页Scientia Silvae Sinicae
基 金:"985"优势学科创新平台专项基金;"十一五"国家科技支撑计划资助项目(2006BAD18B0103);教育部高等学校科技创新培育资金项目(706007)
摘 要:刺槐(Robinia pseudoacacia)具有适应性强、易繁殖、生长快等特点,在我国栽植广泛,是具有广阔应用前景的木本燃料能源树种之一。豫刺8号(R.pseudoacacia Cl.‘Hennansis8’)为刺槐无性系优良品种之一,具有作为燃料型能源林开发利用的潜力,Gross caloric values, ash contents, ash-free caloric values, cellulose, hemicellulose, lignin and benzene-alcohol extract contents were studied at different growth stages and in various organs of Robinia pseudoacacia Cl.‘Hennansis 8’. Results showed that: the leaf had the highest average gross caloric values and ash-free caloric values, and these values were relatively higher at the initial growth stage of the next year among the sampling period of time; the leaf had the highest average ash contents, and the contents were higher at the late stage of the next year. The orders of cellulose and hemicellulose contents were all trunk branch bark leaf. The leaf had the most lignin, benzene-alcohol extract contents. Benzene-alcohol extract contents were appeared to be an inverted V distribution with the growth stages. Gross caloric values were not significantly negatively correlated with ash contents, cellulose and hemicellulose contents, and they were significantly correlated with lignin but not significantly with benzene-alcohol extract contents; Ash-free caloric values were significantly negatively correlated with cellulose and hemicellulose contents, and were significantly correlated with lignin and benzene-alcohol extract contents. In terms of the variation of caloric values, the best cutting period for energy forests was the initial growth stage of the next year among the five growth stages of ‘Hennansis 8'.
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