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Biomass yield and quality of the Miscanthus x giganteus in northern China

文献类型： 外文期刊

作者： Wang, Ye 1 ; Wang, Hongbin 3 ; Li, Runzhi 1 ; Fan, Xifeng 2 ; Peng, Zhen 1 ; Wu, Juying 2 ; Duan, Liusheng 1 ;

作者机构： 1.Beijing Univ Agr, Coll Plant Sci & Technol, Beijing 102206, Peoples R China

2.Beijing Acad Agr & Forestry Sci, Beijing Res & Dev Ctr Grass & Environm, Beijing 100097, Peoples R China

3.China Agr Univ, Minist Educ, Coll Agron & Biotechnol, Engn Res Ctr Plant Growth Regulator, Beijing 100093, Peoples R China

期刊名称：AGRONOMY JOURNAL （ 影响因子：2.65； 五年影响因子：2.963 ）

ISSN： 0002-1962

年卷期： 2022 年 114 卷 2 期

页码：

收录情况： SCI

摘要： Miscanthus x giganteus has attracted much attention and occupied a significant niche as a bioenergy crop to meet the world's energy demand and in the fight against climate change. In this study, a field experiment was conducted to evaluate the yield and biomass characteristics of M. x giganteus over a period of three years from 2013 to 2015 in Beijing, China. M. x giganteus plants showed higher tiller density and litter leaf weight in the third year, whereas no significant difference in plant height was observed among the years. In contrast, a larger number of nodes per plant were recorded in the first year. Biomass yield potential was the highest in the third year (42.3 t ha(-1)). In addition, plant height (r = .594, p = .042), tiller density (r = .854, p < .01), and number of nodes per plant (r = -.589, p = .044) were significantly correlated with biomass yield. Contents of cellulose and lignin were higher in stems, while that of hemicellulose and ash were higher in leaves. M. x giganteus biomass may be used for cellulosic ethanol conversion due to high cellulose and hemicellulose contents and low lignin content and for direct combustion and co-combustion due to high calorific value (18.5 MJ kg(-1)). To conclude, our findings indicate that M. x giganteus can be cultivated in northern China as an excellent herbaceous bioenergy crop. Rational utilization of the agronomic characteristics would be helpful to screening and breeding bioenergy grass for promoting bioenergy production in China.

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