当前位置: X-MOL 学术Sugar Tech › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Biomass Yield and Carbohydrate Composition in Sugarcane and Energy Cane Grown on Mineral Soils
Sugar Tech ( IF 1.9 ) Pub Date : 2020-03-17 , DOI: 10.1007/s12355-020-00807-0
Duli Zhao , Aliya Momotaz , Chris LaBorde , Mike Irey

A better understanding of sugarcane and energy cane (Saccharum spp.) in biomass accumulation and carbohydrate composition can improve the knowledge of crop production sustainability and optimal utilization. The objectives of this study were to identify sugar composition and concentrations of stalk juice in sugarcane and energy cane grown on two sandy soils during ripening and to determine differences between the two types of canes in nonstructural and structural carbohydrate partitioning and concentrations in dry biomass for the mature plant-cane, first-ratoon, and second-ratoon crops. A field study was conducted at two locations with mineral (sand) soils in south Florida, USA, using two commercial sugarcane cultivars of CP 78-1628 and CP 80-1743 and two energy cane genotypes (US 78-1013 and US 84-1066) to determine their biomass yields and carbohydrate composition and concentrations. Averaged across the three crops and two locations, energy cane had significantly higher biomass yield, lower nonstructural carbohydrate (reducing sugars and sucrose) concentrations, and higher concentrations of cellulose, hemicelluloses, and lignin than sugarcane. Although there were no differences between sugarcane and energy cane in total carbohydrate concentration (839 to 842 g kg−1 DW), energy cane had 80% higher cellulose, 63% higher hemicelluloses, and 76% higher lignin; 69, 64, and 56% lower sucrose, glucose, and fructose concentrations, respectively, than sugarcane, when averaged across the three crops and two locations. These results can be useful for potential use of canes for both sucrose and cellulosic ethanol production on marginal sand soils to improve sustainability and profitability in the future.

中文翻译:

矿质土壤上种植的甘蔗和能量甘蔗的生物量产量和碳水化合物组成

更好地理解甘蔗和能量spp。)中的生物质积累和碳水化合物组成可以提高对作物生产可持续性和最佳利用的认识。这项研究的目的是确定成熟期间在两种沙质土壤上生长的甘蔗和能量甘蔗中糖的组成和茎汁的浓度,并确定两种类型的甘蔗在非结构性和结构性碳水化合物分配方面的差异以及干生物质的浓度。成熟的甘蔗,第一季和第二季作物。在美国南佛罗里达州的两个使用矿物(沙土)土壤的地点进行了实地研究,使用了两个商业化的甘蔗品种CP 78-1628和CP 80-1743,以及两个能量甘蔗基因型(US 78-1013和US 84-1066) ),以确定它们的生物量产量以及碳水化合物的组成和浓度。与甘蔗相比,能源作物的三类作物和两个地区的生物量平均水平更高,非结构性碳水化合物(还原糖和蔗糖)的浓度较低,纤维素,半纤维素和木质素的浓度较高。尽管甘蔗和能量棒的总碳水化合物浓度(839至842 g kg)之间没有差异-1 DW),能量棒的纤维素含量高80%,半纤维素含量高63%,木质素含量高76%;在三种作物和两个地区的平均水平下,蔗糖,葡萄糖和果糖的蔗糖浓度分别比甘蔗低69%,64%和56%。这些结果对于将蔗糖潜在地用于边缘砂质土壤上的蔗糖和纤维素乙醇生产,以改善未来的可持续性和盈利能力可能有用。
更新日期:2020-03-17
down
wechat
bug