NDLI: Glucan Yield from Enzymatic Hydrolysis of Big Bluestem as Affected by Ecotype and Planting Location Along the Precipitation Gradient of the Great Plains

Content Provider	Springer Nature Link
Author	Zhang, Ke Johnson, Loretta Yuan, Wenqiao Pei, Zhijian Chang, Shing I. Wang, Donghai
Copyright Year	2014
Abstract	Three big bluestem (Andropogon gerardii Vitman) ecotypes from central Kansas (Cedar Bluffs (CDB) and Webster (WEB) populations), eastern Kansas (Konza (KON) and Top of the World (TOW) populations), and Illinois (12Mile (12M) and Fults (FUL) populations), as well as the Kaw cultivar, were harvested from four reciprocal garden planting locations (Colby, Hays, and Manhattan, KS, and Carbondale, IL) and used to study effects of ecotype and planting location on glucan content and glucan yield from enzymatic hydrolysis along the Great Plains precipitation gradient (∼1,200 to 400 mm mean annual precipitation). The populations varied widely in glucan content (31.8–36.5 %), mass recovery (52.0–59.7 %), and glucan recovery (79.0–87.50 %) after acid treatment, efficiency of enzymatic hydrolysis (EEH) (84.6–88.9 %), and glucan mass yield (20.8–29.3 %). Planting location had significant effects on all variables evaluated except EEH. Ecotype had significant effects on glucan recovery, EEH, and glucan mass yield. In addition, interaction between ecotype and planting location also had significant effects on glucan content and glucan mass yield after enzymatic hydrolysis. Planting location had a stronger influence than ecotype and interaction between location and ecotype. Total glucan mass yield of big bluestem (regardless of ecotype) increased as the Great Plains precipitation gradient increased from west to east. Annual precipitation, growing degree days, and potential evapotranspiration in 2010 accounted for 90, 85, and 78 % of the variation in glucan mass yield.
Starting Page	799
Ending Page	810
Page Count	12
File Format	PDF
ISSN	19391234
Journal	BioEnergy Research
Volume Number	7
Issue Number	3
e-ISSN	19391242
Language	English
Publisher	Springer US
Publisher Date	2014-05-21
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Big bluestem Pretreatment Enzymatic hydrolysis Ecotype Reciprocal common garden Plant Sciences Plant Genetics & Genomics Plant Breeding/Biotechnology Plant Ecology Wood Science & Technology
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment Agronomy and Crop Science

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