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Progress and challenges in ex situ conservation of forage germplasm: grasses, herbaceous legumes and fodder trees

Hanson, J. and Ellis, R. (2020) Progress and challenges in ex situ conservation of forage germplasm: grasses, herbaceous legumes and fodder trees. Plants, 9. 446. ISSN 2223-7747

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To link to this item DOI: 10.3390/plants9040446

Abstract/Summary

Forages provide an important livestock feed resource globally, particularly for millions of smallholder farmers, and have important roles in natural resource management and carbon sequestration, reducing soil erosion and mitigating the effects of climate change. Forage germplasm remains the basis for selection and development of new, higher-yielding and better adapted-genotypes to meet the increasing demand for livestock feed. Rapid rates of genetic erosion of forage diversity due to land use change from natural pastures and rangelands to crop production to meet the food security requirements of a growing global population, together with pressures from a changing climate, highlight the necessity for ex situ seed conservation of forage genetic resources to provide germplasm for use by future generations. While many forage species have orthodox seeds, the diverse range of genera and species which provide forage is a challenge in terms of the wide scope of information and understanding on conservation methods that genebank managers require - particularly for tropical forages, many of which are comparatively under researched. We review the challenges to the conservation of tropical forage species by seed in ex situ genebanks and provide information on optimum methods for their management.

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Agriculture, Policy and Development > Biodiversity, Crops and Agroecosystems Division > Crops Research Group
ID Code:89448
Uncontrolled Keywords:genebanks; forage germplasm; grasses; legumes; seed storage; conservation; seed longevity; seed germination; monitoring; regeneration
Publisher:MDPI

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