Improvement of Perennial Forage Species as Feedstock for Bioenergy

Anderson, William F.; Casler, Michael D.; Baldwin, Brian S.

doi:10.1007/978-0-387-70805-8_12

Cited by 23 publications

(25 citation statements)

References 116 publications

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“…Hemicellulose concentrations were not different between leaves and stems of giant reed. Similarly, previous research [10] indicated that giant reed leaf residue (<318 g•kg −1 ) has a greater mean hemicellulose concentration than stem tissue (<260 g•kg −1 ). A similar trend, i.e.…”

Section: Fiber Constituentssupporting

confidence: 64%

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Dual-Use Bioenergy-Livestock Feed Potential of Giant Miscanthus, Giant Reed, and Miscane

Burner¹,

Ashworth²,

Pote³

et al. 2017

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High yielding perennial grasses could integrate bioenergy-livestock operations, thereby, offsetting diversions of cropland to lignocellulosic crops, but research is needed to determine chemical composition and digestibility of leaf and stem fractions that might affect downstream reside uses. The objective of this study was to compare feedstock quality of leaf and stem tissues of dedicated bioenergy feedstocks: giant miscanthus (Miscanthus × giganteus), giant reed (Arundo donax), and miscane (Saccharum hybrid × Miscanthus spp.) when grown with or without supplemental irrigation on an upland site. Three species were space-planted on a silt loam soil in March 2007 and harvested prior to the first freeze in plant-cane, first ratoon, and second-ratoon crops for three years. Giant miscanthus leaf tissue had greatest acid detergent lignin and cellulose, and lowest concentrations of nitrogen (N) and total nonstructural carbohydrates (TNC) in ratoon crops. Giant reed leaf tissue had greatest concentrations of in vitro digestible dry matter (IVDMD), TNC, and N (P ≤ 0.05). Conversely, miscane stem tissue had greatest concentrations of IVDMD, TNC, hemicellulose, and low dry matter and combustible energy (P ≤ 0.05). Results suggest all species' residue has positive feedstock attributes for thermochemical bioenergy conversion, and albeit giant miscanthus has very little potential value as fodder. Miscane stem and giant reed leaf tissue have potential value as livestock feed, although giant reed is not currently recommended for planting. Further research is needed on dietary composition, acceptability, voluntary intake, and live weight gain before any of these species are recommended as livestock feed sources. † Retired.How to cite this paper: Burner,

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Section: Fiber Constituentssupporting

confidence: 64%

“…spp.) weight gains or hay sales, but bioenergy could provide a secondary market option [10]. It is less clear; however, if perennial grasses traditionally considered dedicated bioenergy feedstocks offer a secondary market as livestock feed.…”

Section: Introductionmentioning

confidence: 99%

Dual-Use Bioenergy-Livestock Feed Potential of Giant Miscanthus, Giant Reed, and Miscane

Burner¹,

Ashworth²,

Pote³

et al. 2017

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“…Napier grass is a cross-pollinating allotetraploid species with a chromosome number of 2n = 4x = 28 (genome A'A'BB) [11,31,32]. Although there is no clear information on the genetic origin of allotetraploidy in Napier grass, the A'A' genome has been reported to be homologous to the AA genome of pearl millet (Pennisetum glaucum (L.)) and the A' chromosomes are larger than the B chromosomes, which contribute genes controlling the perennial growth habit [31].…”

Section: Genetic Resources Molecular Diversity and Breedingmentioning

confidence: 99%

“…Although there is no clear information on the genetic origin of allotetraploidy in Napier grass, the A'A' genome has been reported to be homologous to the AA genome of pearl millet (Pennisetum glaucum (L.)) and the A' chromosomes are larger than the B chromosomes, which contribute genes controlling the perennial growth habit [31]. To date, Napier grass 'improvement' has mainly been based on the evaluation and selection of existing accessions for traits of interest.…”

Section: Genetic Resources Molecular Diversity and Breedingmentioning

confidence: 99%

Opportunities for Napier Grass (Pennisetum purpureum) Improvement Using Molecular Genetics

Negawo¹,

Teshome²,

Kumar

et al. 2017

Agronomy

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Napier grass (Pennisetum purpureum Schumach.) is a fast-growing perennial grass native to Sub-Saharan Africa that is widely grown across the tropical and subtropical regions of the world. It is a multipurpose forage crop, primarily used to feed cattle in cut and carry feeding systems. Characterization and diversity studies on a small collection of Napier grasses have identified a moderate level of genetic variation and highlighted the availability of some good agronomic traits, particularly high biomass production, as a forage crop. However, very little information exists on precise phenotyping, genotyping and the application of molecular technologies to Napier grass improvement using modern genomic tools which have been applied in advancing the selection and breeding of important food crops. In this review paper, existing information on genetic resources, molecular diversity, yield and nutritional quality of Napier grass will be discussed. Recent findings on characterizing disease resistance and abiotic stress (drought) tolerance will also be highlighted. Finally, opportunities and future prospects for better conservation and use arising from the application of modern genomic tools in Napier grass phenotyping and genotyping will be discussed.

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“…Eastern gamagrass (GG; another WSPG), for example, has been mentioned as a bioenergy feedstock (Anderson et al, 2008;Ge et al, 2012), but information about such use is limited. GG is better known for its excellent and palatable forage quality, and it is also renowned for its tolerance of acid and Al-toxic conditions, utilizing roots that can penetrate high-strength soils (Gilker et al, 2002).…”

Section: Introductionmentioning

confidence: 99%

Using Coal Fly Ash Agriculture: Combination of Fly Ash and Poultry Litter as Soil Amendments for Bioenergy Feedstock Production

Dzantor¹,

Adeleke²,

Kankarla³

et al. 2015

CCGP

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Improvement of Perennial Forage Species as Feedstock for Bioenergy

Cited by 23 publications

References 116 publications

Dual-Use Bioenergy-Livestock Feed Potential of Giant Miscanthus, Giant Reed, and Miscane

Dual-Use Bioenergy-Livestock Feed Potential of Giant Miscanthus, Giant Reed, and Miscane

Opportunities for Napier Grass (Pennisetum purpureum) Improvement Using Molecular Genetics

Using Coal Fly Ash Agriculture: Combination of Fly Ash and Poultry Litter as Soil Amendments for Bioenergy Feedstock Production

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