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Title: Economic impact of yield and composition variation in bioenergy crops: Populus trichocarpa

Journal Article · · Biofuels, Bioproducts & Biorefining
DOI:https://doi.org/10.1002/bbb.2148· OSTI ID:1670222

To achieve a bio-based economy, it is necessary to consider variability within a feedstock population. We must understand the range of key phenotypic characteristics when selecting economically advantageous genotypes for domestication in an optimized supply chain. In this analysis we measured cell-wall composition traits in a large natural variant population of Populus trichocarpa. The results were combined with agronomic growth data from the matching genotype to conduct various techno-economic analyses, evaluating the impacts of physical and compositional variability and determining the ultimate phenotypic drivers for yield and economic metrics. Here we show that, although ethanol yield per land area per year and minimum fuel selling price were most strongly impacted by tree size, when considering the largest 25% of trees, size and carbohydrate content were nearly identical influences on minimal fuel selling price, highlighting the need to focus on both size and carbohydrate content in selecting economically optimal feedstocks.

Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States); Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE Office of Science (SC), Biological and Environmental Research (BER)
Grant/Contract Number:
AC05‐00OR22725; AC36‐08GO28308; AC36-08GO28308; AC05-00OR22725; DE‐AC05‐00OR22725; DE‐AC36‐08GO28308
OSTI ID:
1670222
Alternate ID(s):
OSTI ID: 1677478; OSTI ID: 1786097; OSTI ID: 1885401
Report Number(s):
NREL/JA-2800-75650
Journal Information:
Biofuels, Bioproducts & Biorefining, Journal Name: Biofuels, Bioproducts & Biorefining Vol. 15 Journal Issue: 1; ISSN 1932-104X
Publisher:
WileyCopyright Statement
Country of Publication:
United Kingdom
Language:
English

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