2016
DOI: 10.1017/s001447971600051x
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Tracing the Seed: Seed Diffusion of Improved Potato Varieties Through Farmers’ Networks in Chencha, Ethiopia

Abstract: SUMMARYThere are many prerequisites for potato production to meet its full potential as a food security crop for subsistence farmers in Sub-Saharan Africa. One of these is the introduction of improved varieties. Traditionally, the introduction of new varieties is by government agencies or Non-Governmental Organizations (NGOs). To understand the diffusion of seed tubers (seeds) of new potato varieties in farmer networks, we analysed social factors influencing the sharing of seed of improved potato varieties amo… Show more

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Cited by 50 publications
(52 citation statements)
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References 24 publications
(25 reference statements)
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“…Farmers recognise the value of the novelty and have shown to be willing to pay cash, even a premium price. A recent study (Tadesse et al 2016) on the introduction of potato tuber seed of a new variety in an Ethiopian farmer community showed that in 82 % of the cases this seed was shared among family friends and neighbours, but they also found that in 43 % of all sharing involved a cash transaction. However, to have regular influx of new varieties, the DMs need to be well connected with a wellfunctioning system that provides new varieties to allow a high variety turn-over in the DMs portfolio.…”
Section: The Need To Reflect and Learn From Experiencesmentioning
confidence: 99%
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“…Farmers recognise the value of the novelty and have shown to be willing to pay cash, even a premium price. A recent study (Tadesse et al 2016) on the introduction of potato tuber seed of a new variety in an Ethiopian farmer community showed that in 82 % of the cases this seed was shared among family friends and neighbours, but they also found that in 43 % of all sharing involved a cash transaction. However, to have regular influx of new varieties, the DMs need to be well connected with a wellfunctioning system that provides new varieties to allow a high variety turn-over in the DMs portfolio.…”
Section: The Need To Reflect and Learn From Experiencesmentioning
confidence: 99%
“…Shangi, now the most popular potato variety in Kenya and covering 70% of the area planted (GIZ, 2014), is such an example: the variety was still unknown in 2010 and is thought to be a clone from a CIP breeding program (E. Otieno, personal communication). Tadesse et al (2016) found that farmers in Ethiopia who had received quality seed of a new improved variety from an NGO shared on average with more than 6 other farmers, mostly relatives, neighbours and friends. There are also many situations in which RTB planting material has been transported over longer distances without any formal organisational involvement.…”
Section: Diffusion Of Varieties and The Dynamics Of Seed Exchangementioning
confidence: 99%
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“…Once having obtained planting material of a desired RTB crop variety, the farmer multiplies the material with the improved traits and can easily exchange, give or sell planting material. Tadesse, Almekinders, Schulte, and Struik (2016) found that farmers in Ethiopia who had received quality potato seed of a new improved variety from an NGO shared on average with more than 6 other farmers, mostly relatives, neighbours and friends. Mowo er al.…”
Section: Diffusion Of Varieties and Seed Flowsmentioning
confidence: 99%
“…Farmers' practices for reproducing and multiplying seed can accelerate or slow down the degeneration process, and thereby the need for replacing their own seed with other healthier material. For potato, among the traditional and better practices reported to improve quality are off-season planting or higher altitude planting for lower aphid pressure or lower growing temperatures, positive and negative selection of plants in the field, and partial replacement of planting material with higher quality seed (Zimmerer, 2003;Gildemacher et al, 2012;Tadesse et al, 2016;Bertschinger et al, 2017).…”
Section: Farmers' Practices and Degeneration Of Seed Qualitymentioning
confidence: 99%