Download - Sess05 2 vanderzaag – asian seed potato production systems related to the highlands of africa
Asian Seed Potato Production SystemsRelated to the Highlands of Africa
Four Potato Cropping Zones of ChinaMulti‐crop Zone IV is like the Highlands of Africa
Asian Seed Potato Production SystemsRelated to the Highlands of Africa
Locations: Yunnan, ChinaDalat, Vietnam Mountain Trail, the Philippines
Elevation: 1500 to 3,000 m aslLatitude: 11 to 24 NConstraints: late blight,
bacterial wilt (lower elevations), viruses
National Program Collaboration with CIPOver the past 30 years
1. Varietal development with LB, BW & Virus resistance
2. Tissue Culture demystified3. Simple, informal, on‐farm Seed Programs
developed
Farmers doing Tissue Culture and RMT in their homes 1982 in Vietnam
Professor Wang Jun with tissue culture plants for RMT1986 in Yunnan, China
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 …
C88: late blight & virus resistance, excellent fresh & processed2009 in Southwest China
Cooperation 88 (C88): yield 35 – 80 T/ha2010 in Southwest China
Igorota: late blight & virus resistance, excellent fresh & processed 2011 in Mountain Trail, the Philippines
Tissue Culture in Farmer’s home2010 in Dalat, Vietnam
RMT program by farmer: 1.5M rooted cuttings sold/year2012 in Dalat, Vietnam
Rooted cuttings in commercial grower’s field2012 in Dalat, Vietnam
Rooted cuttings growing in commercial grower’s field2012 in Dalat, Vietnam
Farmer multiplying tissue culture plants2012 in Mountain Trail, the Philippines
Igorota: generation 3 seedAugust 2012 in Mountain Trail, the Philippines
RMT program by farmer: mini tubers sold2012 in Dalat, Vietnam
AeroponicsSouthwest China
National government subsidizes 3G basic seed productionChina
Results & Impact
Igorota: yield of 40 T/ha during the rainy seasonAugust 2012 in Mountain Trail, the Philippines
Igorota: growing during the rainy seasonAugust 2012 in Dalat, Vietnam
Igorota, G6, in commercial grower’s field, bacterial wilt infected plants pulled at first symptoms2012 in Dalat, Vietnam
C88: processed in large chip factory2010 in Yunnan, China
C88: sold as a gift to tourists2009 in Southwest China
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
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
RMT Farmer building new home … “The house Igorota built!”2012 in Mountain Trail, the Philippines
Potato Crop with no visual virus infection, but Late Blight!Ethiopian Highlands
Five Keys to Success1. Potato Crop is a high value business2. Varieties with durable resistance to LB &
viruses by local breeding3. BW management (seed movement from high
to lower elevation & negative selection)4. Initial seed production is supported by the
public sector5. Seed production is a profitable business
OpportunityForLandless Youth
DemystifyTechnology!