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  Dynamic guardianship of potato landraces by the genebank and Andean communities

Lüttringhaus, A. S., Pradel, W., Victor, S., Manrique-Carpintero, N. C., Anglin, N. L., Ellis, D., Hareau, G., Jamora, N., Smale, M., Gómez, R. (2021): Dynamic guardianship of potato landraces by the genebank and Andean communities. - CABI Agriculture and Bioscience, 2, 45.
https://doi.org/10.1186/s43170-021-00065-4

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Lüttringhaus, Anna Sophia1, Author              
Pradel, Willy2, Author
Victor, Suarez2, Author
Manrique-Carpintero, Norma C.2, Author
Anglin, Noelle L.2, Author
Ellis, David2, Author
Hareau, Guy2, Author
Jamora, Nelissa2, Author
Smale, Melinda2, Author
Gómez, Rene2, Author
Affiliations:
1Potsdam Institute for Climate Impact Research, ou_persistent13              
2External Organizations, ou_persistent22              

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 Abstract: Background:Potato landraces (Solanum spp.) are not only crucial for food security and sustenance in Andean communities but are also deeply rooted in the local culture. The crop originated in the Andes, and while a great diversity of potato persists, some landraces have been lost. Local communities and the genebank of the International Potato Center (CIP) partnered to re-establish some of these landraces in situ by supplying clean seed potatoes to farmers. Over time, the genebank formalized a repatriation program of potato landraces. Repatriation is the process of returning native germplasm back to its place of origin, allowing a dynamic exchange between ex situ and in situ conditions. So far, no comprehensive description of CIP’s repatriation program, the changes it induced, nor its benefits, has been carried out. Methods: We addressed this research gap by analyzing CIP genebank distribution data for repatriated accessions, conducting structured interviews with experts of the repatriation program, and applying duration and benefit analyses to a survey dataset of 301 households. Results: Between 1997 and 2020, 14,950 samples, representing 1519 accessions, were distributed to 135 communities in Peru. While most households (56%) abandoned the repatriated material by the fourth year after receiving it, the in situ survival probability of the remaining material stabilized between 36% in year 5 and 18% in year 15. Households where the plot manager was over 60 years old were more likely to grow the repatriated landraces for longer periods of times. While male plot management decreased survival times compared to female plot management, higher levels of education, labor force, wealth, food insecurity, and geographic location in the southern part of Peru were associated with greater survival times. Most farmers reported nutritional and cultural benefits as reasons for maintaining landrace material. Repatriated potatoes enabled farmers to conserve potato diversity, and hence, re-establish and broaden culinary diversity and traditions. Conclusions: Our study is the first to apply an economic model to analyze the duration of in situ landrace cultivation by custodian farmers. We provide an evidence base that describes the vast scope of the program and its benefits.

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 Dates: 2021-11-272021-11-27
 Publication Status: Finally published
 Pages: -
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 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1186/s43170-021-00065-4
MDB-ID: No data to archive
PIKDOMAIN: RD2 - Climate Resilience
Organisational keyword: RD2 - Climate Resilience
Research topic keyword: Adaptation
Research topic keyword: Biodiversity
Research topic keyword: Economics
Research topic keyword: Food & Agriculture
Research topic keyword: Sustainable Development
Regional keyword: South America
Model / method: Qualitative Methods
Model / method: Quantitative Methods
OATYPE: Gold Open Access
 Degree: -

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Title: CABI Agriculture and Bioscience
Source Genre: Journal, other, oa
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Pages: - Volume / Issue: 2 Sequence Number: 45 Start / End Page: - Identifier: CoNE: https://publications.pik-potsdam.de/cone/journals/resource/cabi-agriculture-bioscience
Publisher: BioMed Central (BMC)