Enset in Ethiopia as a poorly characterized but resilient starch staple: review article

Ensete review: Borrell et al. Annals of Botany mcy214 2019

Ensete review: Borrell et al. Annals of Botany mcy214 2019

345. Borrell JS, Biswas MK, Goodwin M, Blomme G, Schwarzacher T, Heslop-Harrison JS, Wendawek AM, Berhanu A, Kallow S, Janssens S, Molla EL, Davis AP, Woldeyes F, Willis K, Demissew S, Wilkin P. 2019. Enset in Ethiopia: a poorly characterized but resilient starch staple. Annals of Botany 123: mcy214 online first https://doi.org/10.1093/aob/mcy214 (freely available download)

Author version: borrell_enset_review_author_version_plusfiguresauthorversionDownload

• Background Enset (Ensete ventricosum, Musaceae) is an African crop that currently provides the staple food for approx. 20 million Ethiopians. Whilst wild enset grows over much of East and Southern Africa and the genus extends across Asia to China, it has only ever been domesticated in the Ethiopian Highlands. Here, smallholder farmers cultivate hundreds of landraces across diverse climatic and agroecological systems.
• Scope Enset has several important food security traits. It grows over a relatively wide range of conditions, is somewhat drought-tolerant, and can be harvested at any time of the year, over several years. It provides an important dietary starch source, as well as fibres, medicines, animal fodder, roofing and packaging. It stabilizes soils and microclimates and has significant cultural importance. In contrast to the other cultivated species in the family Musaceae (banana), enset has received relatively little research attention. Here, we review and critically evaluate existing research, outline available genomic and germplasm resources, aspects of pathology, and explore avenues for crop development.
• Conclusion Enset is an underexploited starch crop with significant potential in Ethiopia and beyond. Research is lacking in several key areas: empirical studies on the efficacy of current agronomic practices, the genetic diversity of landraces, approaches to systematic breeding, characterization of existing and emerging diseases, adaptability to new ranges and land-use change, the projected impact of climate change, conservation of crop wild relatives, by-products or co-products or non-starch uses, and the enset microbiome. We also highlight the limited availability of enset germplasm in living collections and seedbanks, and the lack of knowledge of reproductive and germination biology needed to underpin future breeding. By reviewing the current state of the art in enset research and identifying gaps and opportunities, we hope to catalyse the development and sustainable exploitation of this neglected starch crop.


Keywords: Biodiversity, biotic and abiotic resistance, climate adaptation, crop wild relatives (CWRs), domestication, Ensete ventricosum, false banana, food security, germplasm collections, pests and pathogens, sustainable agriculture, tropical crop ecology.

Borrell JS, Biswas MK, Goodwin M, Blomme G, Schwarzacher T, Heslop-Harrison JS, Wendawek AM, Berhanu A, Kallow S, Janssens S, Molla EL, Davis AP, Woldeyes F, Willis K, Demissew S, Wilkin P. 2019. Enset in Ethiopia: a poorly characterized but resilient starch staple. Annals of Botany 123: mcy214 online first https://doi.org/10.1093/aob/mcy214 (freely available download)

Local copy of published paper (on-line first): Ensete Review Borrell et al Ann Bot mcy214 2019
Author version: borrell_enset_review_author_version_plusfiguresauthorversionDownload

Acknowledgements
We thank BBSRC Biotechnology and Biological Research Council, UKRI United Kingdom Research and Innovation for support of this project: https://gtr.ukri.org/projects?ref=BB%2FP02307X%2F1
through the project grant “Modelling and genomics resources to enhance exploitation of the sustainable and diverse Ethiopian starch crop Enset and support livelihoods”
 
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About Pat Heslop-Harrison

Professor of Molecular Cytogenetics and Cell Biology, University of Leicester Chief Editor, Annals of Botany. Research: genome evolution, breeding and biodiversity in agricultural species; the impact of agriculture; evalutation of research and advanced training.
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