Variation in Biomass Composition Components among Forage, Biomass, Sorghum-Sudangrass, and Sweet Sorghum Types

Stefaniak, T. R. and Dahlberg, J.A. and Bean, B. W. and et al, . (2012) Variation in Biomass Composition Components among Forage, Biomass, Sorghum-Sudangrass, and Sweet Sorghum Types. Crop Science, 52 (4). pp. 1949-1954.

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Abstract

Alternative biomass sources must be developed if the United States is to meet the goal in the U.S. Energy Security Act of 2007 to derive 30% of its petroleum from renewable sources, and several different biomass crops are currently in development. Sorghum [Sorghum bicolor (L.) Moench] is one such crop that will be an important feedstock source for biofuel production. As composition infl uences productivity, there exists a need to understand the range in composition observed within the crop. The goal of this research was to assess the range in dietary fi ber composition observed within different types of biomass sorghums. A total of 152 sorghum samples were divided into the four end-use types of sorghum: biomass, forage, sorghum-sudangrass, and sweet. These samples were analyzed chemically using dietary fi ber analysis performed at the National Renewable Energy Laboratory using published protocols. Signifi cant variation among the groups was detected for glucan and ash. Positive and highly signifi cant correlations were detected between structural carbohydrates in the biomass and sweet sorghums while many of these correlations were negative or not signifi cant in the forage and sorghumsudangrass types. In addition, a wide range of variation was present within each group indicating that there is potential to manipulate the composition of the crop.

Item Type: Article
Uncontrolled Keywords: US Energy, Biomass, Biomass Crops,
Author Affiliation: Dep. of Soil and Crop Sciences, Texas A&M Univ., College Station, TX 77843-2474
Subjects: Plant Production
Divisions: Sorghum
Depositing User: Mr Siva Shankar
Date Deposited: 22 Aug 2012 07:13
Last Modified: 22 Aug 2012 07:14
Official URL: http://dx.doi.org/10.2135/cropsci2011.10.0534
URI: http://eprints.icrisat.ac.in/id/eprint/7456

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