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CABI Book Chapter

Bioenergy and biological invasions: ecological, agronomic and policy perspectives on minimizing risk.

Book cover for Bioenergy and biological invasions: ecological, agronomic and policy perspectives on minimizing risk.

Description

This book contains 9 chapters focusing on the ecological, agronomic and policy perspectives on minimizing risk of bioenergy and biological invasions. Topics covered include potential risks of algae bioenergy feedstocks, gene flow and invasiveness in bioenergy systems, use of weed risk assessments to separate the crops from the weeds and eradication and control of bioenergy feedstocks, among others...

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Chapter 7 (Page no: 97)

"Seeded-yet-sterile" perennial grasses: towards sustainable and non-invasive biofuel feedstocks.

Sustainable cropping systems for leading candidate biofuel crops currently focus predominantly on perennial grasses for which assessments of invasiveness potential remain incomplete. Perennial C4 grasses have significant capacity for biomass accumulation across diverse environments, providing intrinsic value towards protection and restoration of underutilized, marginal, and degraded lands. Varied seed and vegetative reproduction mechanisms, however, contribute to their invasive potential. The development of feedstocks possessing the minimum vegetative propagules required for perennial life habit, combined with seed sterility, would therefore greatly reduce the risk of perennial biofuel crops becoming biological invaders. Pearl millet-napiergrass ("PMN"; Pennisetum glaucum [L.] R. Br. × Pennisetum purpureum Schumach.) and king-grass (P. purpureum × P. glaucum) are examples of such feedstocks, being "seeded-yet-sterile" crops in which fertile parents allow seeded production of hybrids that are subsequently both seed-sterile and devoid of rhizomes in biomass production fields. The use of genomics tools provide further tools suitable for both characterizing genetic mechanisms governing weediness and deploying marker-assisted breeding programs for biofuel crops with reduced risk of negative environmental impacts.

Other chapters from this book

Chapter: 1 (Page no: 1) The bioenergy landscape: sustainable resources or the next great invasion? Author(s): Quinn, L. D. Barney, J. N. Matlaga, D. P.
Chapter: 2 (Page no: 12) What would invasive feedstock populations look like? Perspectives from existing invasions. Author(s): Quinn, L. D.
Chapter: 3 (Page no: 35) Potential risks of algae bioenergy feedstocks. Author(s): Phang SiewMoi Chu WanLoy
Chapter: 4 (Page no: 52) Gene flow and invasiveness in bioenergy systems. Author(s): Ridley, C. E. Mallory-Smith, C.
Chapter: 5 (Page no: 67) Using weed risk assessments to separate the crops from the weeds. Author(s): Barney, J. N. Smith, L. L. Tekiela, D. R.
Chapter: 6 (Page no: 85) Bioenergy and novel plants: the regulatory structure. Author(s): Endres, A. B.
Chapter: 8 (Page no: 113) Eradication and control of bioenergy feedstocks: what do we really know? Author(s): Enloe, S. F. Loewenstein, N. J.
Chapter: 9 (Page no: 134) Good intentions vs good ideas: evaluating bioenergy projects that utilize invasive plant feedstocks. Author(s): Nackley, L. L.