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首页> 外文期刊>Bioenergy research >A Review on Miscanthus Biomass Production and Composition for Bioenergy Use: Genotypic and Environmental Variability and Implications for Breeding
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A Review on Miscanthus Biomass Production and Composition for Bioenergy Use: Genotypic and Environmental Variability and Implications for Breeding

机译：芒草生物量生产及生物能源利用的回顾：基因型和环境变异性及其育种意义

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摘要

The lignocellulosic C4 perennial crop miscanthus and, more particularly, one of its species, Miscanthus × giganteus, are especially interesting for bioenergy production because they combine high biomass production with a low environmental impact. However, few varieties are available, which is risky due to disease susceptibility. Gathering worldwide references, this review shows a high genotypic and environmental variability for traits of interest related to miscanthus biomass production and composition, which may be useful in breeding programs for enhancing the availability of suitable clones for bioenergy production. The M. × giganteus species and certain clones in the Miscanthus sinensis species seem particularly interesting due to high biomass production per hectare. Although the industrial requirements for biomass composition have not been fully defined for the different bioenergy conversion processes, the M. × giganteus and Miscanthus sacchariflorus species, which show high lignin contents, appear more suitable for thermochemical conversion processes. In contrast, the M. sinensis species and certain M. × giganteus clones with low lignin contents were interesting for biochemical conversion processes. The M. sacchariflorus species is also interesting as a progenitor for breeding programs, due to its low ash content, which is suitable for the different bioenergy conversion processes. Moreover, mature miscanthus crops harvested in winter seem preferred by industry to enhance efficiency and reduce the expense of the processes. This investigation on miscanthus can be extrapolated to other monocotyledons and perennial crops, which may be proposed as feedstocks in addition to miscanthus.
机译：木质纤维素C4多年生植物米果，特别是其物种之一，芒草×巨大果，对于生物能源生产尤为有趣，因为它们将高生物量生产与低环境影响结合在一起。但是，几乎没有可用的品种，由于疾病易感性，这是有风险的。这项综述收集了全世界的参考文献，显示了与猕猴桃生物量生产和组成有关的相关性状的高基因型和环境变异性，这可能在育种计划中有用，以提高生物能源生产合适克隆的可用性。由于每公顷高生物量生产，M。×giganteus物种和芒草物种中的某些克隆显得特别有趣。尽管尚未针对不同的生物能源转化过程充分定义生物量组成的工业要求，但木质素含量高的硕大花。（M。×giganteus）和糖芒（Miscanthus sacchariflorus）物种似乎更适合热化学转化过程。相比之下，中华绒螯蟹种和某些木质素含量低的巨型M.×giganteus克隆对于生化转化过程很有趣。由于其灰分含量低，因此适于繁殖的M. sacchariflorus物种也很适合作为育种程序的祖先，适用于不同的生物能转化过程。此外，冬季收获的成熟的桔梗作物似乎为工业所青睐，以提高效率并减少加工费用。可以将对芒草的研究外推至其他单子叶植物和多年生作物，这些作物可能被建议用作芒草的原料。

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