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Asian Seed Potato Production Systems
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Four Potato Cropping Zones of China
Multi-crop Zone IV is like the Highlands of Africa
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Asian Seed Potato Production Systems
Related to the Highlands of Africa
Locations: Yunnan, China
Dalat, Vietnam
Mountain Trail, the Philippines
Elevation: 1500 to 3,000 m aslLatitude: 11 to 24 N
Constraints: late blight,
bacterial wilt (lower elevations),viruses
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Farmers doing Tissue Culture and RMT in their homes
1982 in Vietnam
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Professor Wang Jun with tissue culture plants for RMT
1986 in Yunnan, China
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Varietal Development
1. Mexican Clones: CFK69.1, B71.240.2, I1085,
Utatlan
2. Local Breeding: Mexican clones X CIP LB
germplasm
3. Products: Cooperation 88, Igorota
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C88: late blight & virus resistance, excellent fresh &
processed
2009 in Southwest China
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Cooperation 88 (C88): yield 3580 T/ha
2010 in Southwest China
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Igorota: late blight & virus resistance, excellent fresh
& processed
2011 in Mountain Trail, the Philippines
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Tissue Culture in Farmers home
2010 in Dalat, Vietnam
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RMT program by farmer: 1.5M rooted cuttings sold/year
2012 in Dalat, Vietnam
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Rooted cuttings in commercial growers field
2012 in Dalat, Vietnam
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Rooted cuttings growing in commercial growers field
2012 in Dalat, Vietnam
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Farmer multiplying tissue culture plants
2012 in Mountain Trail, the Philippines
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Igorota: generation 3 seed
August 2012 in Mountain Trail, the Philippines
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RMT program by farmer: mini tubers sold
2012 in Dalat, Vietnam
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Aeroponics
Southwest China
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National government subsidizes 3G basic seed production
China
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Results Impact
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Igorota: yield of 40 T/ha during the rainy season
August 2012 in Mountain Trail, the Philippines
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Igorota: growing during the rainy season
August 2012 in Dalat, Vietnam
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Igorota, G6, in commercial growers field,
bacterial wilt infected plants pulled at first symptoms
2012 in Dalat, Vietnam
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C88: processed in large chip factory
2010 in Yunnan, China
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C88: sold as a gift to tourists
2009 in Southwest China
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Yield Data by Country
Location Average
Yield
(T/ha)
Variety High Yield
Observed
(T/ha)
Season
Yunnan 16 C88 80 dry
Dalat 20 Igorota 40 wet
Mountain
Trail
20 Igorota 40 wet
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Status of C88 & Igorota in 2012
Variety Area (ha) % of
Total
Locations Grown
C88 400,000 40 Southwest China, Myanmar, Vietnam
Igorota 8,400 70 Dalat, Vietnam
Mountain Trail, the Philippines
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RMT Farmer building new home The house Igorota built!
2012 in Mountain Trail, the Philippines
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Potato Crop with no visual virus infection, but Late Blight!
Ethiopian Highlands
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Five Keys to Success1. Potato Crop is a high value business
2. Varieties with durable resistance to LB &
viruses by local breeding
3. BW management (seed movement from high
to lower elevation & negative selection)
4. Initial seed production is supported by the
public sector
5. Seed production is a profitable business
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Opportunity
ForLandless Youth
DemystifyTechnology!
