Full TGIF Record # 134501
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Web URL(s):http://turf.rutgers.edu/research/abstracts/symposium2008.pdf
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Publication Type:
i
Report
Content Type:Abstract or Summary only
Author(s):Cortese, Laura; Bonos, Stacy A.
Author Affiliation:Department of Plant Biology and Pathology, Rutgers University, New Brunswick, New Jersey
Title:Evaluation of bioenergy characteristics in ten switchgrass populations grown in New Jersey
Section:Poster presentations
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Meeting Info.:New Brunswick, NJ: January 10-11, 2008
Source:Proceedings of the Seventeenth Annual Rutgers TurfgrassSymposium. 2008, p. 40-41.
Publishing Information:New Brunswick, NJ: Center for Turfgrass Science, Cook College, Rutgers, The State University of New Jersey
# of Pages:2
Keywords:TIC Keywords: Panicum virgatum; Cultivar variation; Alternative fuels; Breeding improvement; Winter injury; Disease resistance; Maturity; Tiller density; Height; Biomass
Abstract/Contents:"Switchgrass (Panicum virgatum) is a perennial warm season grass (C4) native to most of the US with the exception of some northwestern states. It is an outcrossing, self-incompatible polyploid species with a high degree of genetic diversity. There are two main distinct types of switchgrass: Upland and Lowland types. Upland types are typically octaploids (Hopkins et al., 1996), have shorter, finer stems, are better adapted to drier habitats (Lewandowski et al., 2003), and are also typically earlier maturing than lowland types (Parrish and Fike, 2005). Lowland types are generally tetraploid (Hopkins et al., 1996), taller, and more robust than upland types. They have courser stems, a bunch type growth habit and are adapted to wetter sites (Lewandowski et al., 2003). They typically mature later than upland types and require a longer growing period. In general the two types have also been found to have different biomass yields in different environments. Upland cultivars are better adapted to mid-northern latitudes and Lowland types are better adapted to lower latitudes (Parrish and Fike, 2005). Switchgrass has been used in restoration, buffer strips, as a forage cup, and as an ornamental, but is now emerging as source of alternative energy. The Northeast/Mid-Atlantic region is the most populated and urbanized region of the United States and responsible for a large amount of the fossil fuels consumed in this country. It is unlikely that it will be economically feasible to transport biomass from far distances to utilize renewable energy in the Mid-Atlantic and Northeast. Therefore it will be important to identify and breed germplasm specifically for this environment if biomass is going to be a significant source of renewable energy for this region. In addition, researchers have identified the importance of breeding for improved biomass production for specific sites (Fike et al., 2006; Lewandowski et al., 2003; Vogel and Jung, 2001) and suggest that no single switchgrass cultivar is likely to have yield advantages across all locations (Casler et al., 2004; Hopkins et al., 1995). Ten switchgrass populations were planted in a spaced-plant nursery in the spring of 2006 at Rutgers University Plant Biology Research and Extension Farm at Adelphia, NJ. In injury, disease, lodging, maturity, tiller density, plant height, and biomass yield. In general, Lowland cultivars matured later than upland ecotypes, while Northeast ecotypes showed better disease resistance thann Midwest ecotypes. Lowland populations SL93 (OK) and Timber (NC) had greatest biomass yields, while the Upland populations Contract (NY) and Cave-in-rock (IL) had the lowest biomass yields."
Language:English
References:9
Note:This item is an abstract only!
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cortese, L., and S. A. Bonos. 2008. Evaluation of bioenergy characteristics in ten switchgrass populations grown in New Jersey. Proc. Annu. Rutgers Turfgrass Symp. p. 40-41.
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http://turf.rutgers.edu/research/abstracts/symposium2008.pdf
    Last checked: 11/05/2015
    Requires: PDF Reader
    Notes: Item is within a single large file
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