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The Center for Native Grasslands Management




Title: Canopy characteristics of eastern gamagrass (Tripsacum dactyloides): Implications for production int he Alabama Black Belt
Year: 2010
Author(s): Smith, R., Rhoden, E., Khan, V., Surrency, D.
Source Title:
Source Type: Proceedings
pages: 72-81
Original Publication: http://nativegrasses.utk.edu/publications/ENGSproceedings_web.pdf  
Abstract: Eastern gamagrass (Tripsacum dactyloides) is a productive warm-season perennial grass that has the potential to increase animal production in the southern U.S. It is a multiple-use crop with moderate to high forage quality that can serve as a barrier crop and wildlife habitat for limited resource producers in the southern U.S. This study measured yield and canopy characteristics of three eastern gamagrass ecotypes found in the South (Texas, Florida, and Arkansas). Plants were established and harvested to 10-inch height every 35 days. Plant height, total yield, and daily growth rate were measured. Leaf and stem mass, and other yield components were used as quality factors. Data indicated that yield ranged from 3.6 to 5.3 tons ac-1 equivalent among three ecotypes over three harvests. Daily average plant growth during the study ranged from 1.16 to 1.36 inches day-1. San Marcos (TX) and Bumpers (AR) had peak leaf production at harvest 2, while the Florida ecotype had maximum leaf production at harvest 3. All ecotypes produced less stem mass at harvest 3. These findings indicate that further study is needed to identify ecotypes that exhibit growth patterns that satisfy specific producersí needs for sustainable production in the Alabama Black Belt.
Publisher: Proceedings of the Seventh Eastern Native Grass Symposium. Knoxville, TN, October 5-8, 2010
Editor(s): C. Harper
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