yam value chain

1. A member of CGIAR consortium www.iita.org
Latest innovations along the value chain
A. Lopez-Montes, R. Bhattacharjee, M. Abberton, S. Hauser, L. Kumar
One day Focused Group meeting on Agric Innovation and Food Security in the
South West (DFID/IITA Collaboration) Oct 16th 2014
Yams

2. A member of CGIAR consortium www.iita.org
OUTLINE
Support Services
Inputs,Production, Trading
Domestic, Export Markets

3. A member of CGIAR consortium www.iita.org
Support Services
Who is who in the VCH.
ARTICULATION
GHANA YAM VALUE CHAIN MAP
IITA-ITC

4. A member of CGIAR consortium www.iita.org
Participatory value chain strategy
Support Services

5. A member of CGIAR consortium www.iita.org
Participatory value chain strategy
Prioritized Markets, Positioning Ghana
2013 – 2020
Market Fresh YAM
Processed Yam
Food
Processed Yam
Industry ingredients
EXPORT High (1) Medium (3) Medium High (2)
DOMESTIC High (1) High (1) High (1)
NICHE, HIGH VALUE High (1) Medium High (2) Medium (3)
Support Services

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Participatory value chain strategy
Support Services

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Variety development
Inputs,Production, Trading
LOGISTIC REGRESSION OF FARMERS PREFERRED VARIETIES (ranking)
MOTHER TRIALS

8. A member of CGIAR consortium www.iita.org
Variety development
Improved Lines
1 TDr 07/00033 11428 TDr 98/00933 8500 TDr 89/02475 38000
TDr 03/00196 7467 TDr 94/01108 1583
TDr 02/00515 11800 TDr 96/00840 14118
2 TDr 00/00539 11250 TDr 00/00539 6900 TDr 98/00933 32500 TDr 98/00933 7200 TDr 03/00196 1250 TDr 07/00168 11000 TDr 99/02674 9176
3 TDr 01/00405 10625 TDr 07/00168 6600 TDr 07/00033 31000 TDr 97/01715 6861 TDr 00/00539 1000 TDr 07/00033 9600 TDr 89/02672 9000
4 TDr 03/00403 9000 TDr 00/00403 6100 TDr 94/01108 30300 TDr 07/00873 6800 TDr 03/00058 917 TDr 01/00405 9250 TDr 01/00405 8889
5 TDr 98/00933 8200 TDr 96/01817 5600 TDr 07/00168 28700 TDr 96/01817 6333 TDr 97/01715 903 TDr 89/02475 9000 TDr 07/00168 8059
AVG best five
improved lines 10101 6740 32100 6932 1131 10130 9848
Local and
national Checks
Amula 10000 Pepa 5500 Fakesta 8900 Ozibo 2733 Army 772 Obioturugo 1200 Nwopoko 4500
Alumaco 1857 Faketsa 5400 Ogoja 8700 Amula 4200 Obioturugo 400 Amula 5200 Obioturugo 8000
Nwopoko 4286 Obioturugo 1100 Amula 15000 Okpebeakpu 5933 Nwopoko 625 Alumaco 2750 Amula 5737
Obioturugo 1600 Amula 2200 Hembakwase 28800 Alumaco 6600 Hembakwas 333 Nwopoko 5900 6079
Alumaco 3600 Alumaco 16800 Ogbaghagbo 4756
Nwopoko 2200 Obeieocha 4222
Obioturugo 4167
AVG Local checks 4436 3333 15640 4741 533 3763 6079
AVG released
varieties (TDr
89/02265)
13667 10700 46200 5933 1000 6000 11650
% of Yield
Increase from
improved lines
on Local checks
128 102 105 46 112 169 62
% of Yield
Increase from
improved lines
on released
variety check
-26 -37 -31 17 13 69 -15
WSS - YPS : Ware, seed and subsistence yam production system
`
Ware and
Seed Yam
Iseyin, Oyo state
Abakaliki,
Ebonyi state
(Low Fertility)
Tegina, Niger
state
(Drought)
Ware Yam Production System WSS-YPS
Igbariam,
Anambra state
Yogbo, Benue
state
Zaki Biam, Benue
state
Oria-Iluchi, Edo
state
NIGERIA
Inputs,Production, Trading

9. A member of CGIAR consortium www.iita.org
Variety development GHANA
Yam No-Staked system Yam staked system
CHEYOHI, Tolon District
(Low fertility soil
environment)
DIARE, Savelugu District
(Drought environment)
EJURA
(Low fertility soil
environment)
ATEBUBU
(Low fertility soil
environment)
KINGTAMPO
(Low fertility soil
environment)
Improved clones
1TDr 01/00405 27183TDr 00/00539 32800TDr 98/00933 8900TDr 99/02674 9900TDr 99/02674 9200
2TDr 00/00539 16192TDr 07/00873 6618TDr 89/02475 8000TDr 98/00933 8300TDr 89/02672 8000
3TDr 97/00925 14422TDr 02/00515 4100TDr 96/00604 7600TDr 00/00362 7650TDr 00/00403 7600
4TDr 89/02475 7797TDr 94/01108 4833TDr 07/00873 7600TDr 89/02672 7433TDr 00/00539 7000
5TDr 95/01932 7547TDr 00/00403 6500TDr 89/02672 3350TDr 00/00403 6700TDr 98/00933 6700
AVG best five improved
lines 14628 10970 7090 7997 7700
CHENCHINTO 6606KPUNO 6040LARBAKOF 7500PONA 10500LARBAKOF 9000
Esurufunfun 20089LABAKO 11550LARBAKOM 5125LARBAKOM 5400DENTE 1667
FUSEINBILLA 9011AMULA 1850DENTE 3125LARBAKOF 2167LARBAKOM 4778
KPAGAA 1873
NIGERIA 2217
AMULA 2466
ESURUPUPA 2700
% of Yield Increase from
improved lines on Local
checks 128 69 35 33 50
AVG Local and national
landraces as Checks 6423 6480 5250 6022 5148
AVG released varieties TDr 89/02265 3127 TDr 89/02265 1133 TDr 89/02265 6333 TDr 89/02665 9650 TDr 89/02265 5100
Inputs, Production, Trading

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2 - 4
months
8-10 months
10-20 seed for PT
Variety Development: Reduction of time to deliver
From 9 to 4 yrs
SEED
Inputs, Production, Trading

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SEED SYSTEMS AND QUALITY
Inputs, Production, Trading
1.Aeroponic System: private
sector involved
2.Bioreactor systems
3.Diagnostic tools

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000
0
 Varieties with suitable characteristics for boiled
yam, yam fries and derived products (amala,
wassa-wassa and preparation of good pounded
yam), along with high yield and tolerance to
anthracnose, viruses and nematodes
• Objective of the Research: To deliver highly
consumer accepted varieties and link farmers and
food industry.
Domestic, Export Markets

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0.5
1
1.5
2
2.5
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3.5
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4.5
KgFRESH:1KgFLOUR
Threshold 1
Dioscorea rotundata varieties selected for yam flour-instant poundo yam
Threshold 2
Domestic, Export Markets
LINKING PROCESSORS AND FARMERS

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1. Pilot farmers producing selected
varieties.
2. Production technology for tubers of
medium to small size, easy to peel using
machines and 25-30 t/ha
3. Linking small holder farmers with
processors
Domestic, Export Markets

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0
Domestic, Export Markets
Varieties of D. rotundata and D. alata to produce yam fries: IITA, PRIMLAKS
SELECTION INDEX: Processors+Breeder+Consumer
SelectionIndex(SI)
0
0.5
1
1.5
2
2.5
3
3.5
4
6 7 9 10 13 15 17 18 19 20 21 22 33 44 55
SI = Colour*0.3)+ (Taste*0.25)+(Appearance*0.2)+(Aroma*0.15)*(Texture*0.1)
Variety
CH 2: Commercial Potato French fries
CH 1 : Commercial yam fries
CH 1
CH 2
CH 1
Threshold of selection

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1.Pilot farmers producing selected
varieties, located in a radio of 100
km, using GIS.
2.Production technology for tubers
of medium to small size, easy to
peel using machines and 25-30
t/ha
3.Linking small holder farmers
Domestic, Export Markets

17. A member of CGIAR consortium www.iita.org
000
0
Thanks