Ray-Yu Yang - AVRDC - The World Vegetable Center in Bangladesh: Past, Current and Future
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Transcript of Ray-Yu Yang - AVRDC - The World Vegetable Center in Bangladesh: Past, Current and Future
Slide 1 www.avrdc.org
Seminar on Agriculture – Nutrition Linkages 18 April 2011
Dhaka, Bangladesh
AVRDC – The World Vegetable Center in Bangladesh: Past, Current and Future
Ray-Yu Yang (Nutritionist) and Peter Hanson (Plant Breeder)
AVRDC – The World Vegetable Center
Slide 2 www.avrdc.org
Research to promote development
Founded in 1971 as the Asian Vegetable Research and Development Center (AVRDC) with a regional research focus on Asia
Our research and development is nonprofit
Our research outputs are global public goods
The World Vegetable Center has an expanding global role with a growing network of regional offices
Slide 3 www.avrdc.org
Regional Centers
Uzbekistan
TaiwanThailandIndia
Dubai
Tanzania
MaliCameroon
Slide 4 www.avrdc.org
Our mission
“Alleviate poverty and malnutrition in the developing world
through increased production and consumption
of nutritious and health promoting vegetables”
Slide 5 www.avrdc.org
Contribution of vegetables to human nutrition and health
• Increased access, availability, and consumption of vegetables
ConsumptionConsumption Nutrient density
Nutrient density Bio-availabilityBio-availabilityXX XX
• Improved nutrient and bioactive phytochemical contents
• Enhanced nutrient retention and bioavailability
Nutrition and health outcome
Nutrition and health outcome
• Assessing the outcomes from the consumption of vegetables on diet, nutrition and overall economic development.
=
Slide 6 www.avrdc.org
466 improved vegetable varieties benefit farmers around the world
AVRDC: a strong record of variety release
Slide 7 www.avrdc.org
AVRDC in Bangladesh 1991 – 2006
• AVRDC Germplasm distribution: – 3454 accessions (59 crops) provided to BARI, NARS institutions,
private seed companies, and NGOs• AVRDC improved varieties
– 18 lines released in Bangladesh• Bangladesh vegetable germplasm collection and conservation:
– 994 acc (50 species) collected in Bangladesh and conserved at AVRDC
– 764 acc (26 species) distributed in Bangladesh to promote utilization
Slide 8 www.avrdc.org
Opportunity: (1) Expand production and availability of nutritious food during food scarcity periods
• Identification of local vegetables with high nutrient content and special adaptation to abiotic stresses (flooding, heat, salinity) for production during food scarcity periods
Bangladesh Crop CalendarCrop M A M J J A S O N D J F
Kharif CropsAus Rice p p g g g g G g h hB Aman Rice p p g g g g G g g g g g g g g g h hT Aman Rice P p p p p p g g g g g h h hWhite Jute p p p g g g g G h h h hTossa Jute p p g g G g g h h h hMesta p p p p g G g g g g g g h h h hBhadoi Chili p p p p P p g g g h h h h h h h hTurmeric h p p p p G g g g g g g g g g g g h h h h hGinger h p p p p g g G g g g g g g g g g g g h h h h hRabi CropsLocal Boro Rice g g h h h h p p p p g g gHYV Boro Rice g g g h h h h H p p p p p gWheat h h h p p p p g g g gMasur Pulse h p p g g g g g h hKheshari Pulse h p p g g g g g g hRabi Chili h h h h h h p p p p g g gOnion g g g h h h h p p p p p g g g g gCoriander h h p p p p p p g g g hPotato h p p p p g g g g h h hTobacco h p p p p g g g g hAnnual Crops Sugarcane g g g g g g g G g g g g g g g h h p p g g g g g
Source: Dr. Rezaul Karim
Slide 9 www.avrdc.org
Improved tomato lines and technologies: Summer Tomato Production
staking
raised bedmulch
simple structure
Heat tolerant variety
Tomatotone (fruit-set)
Slide 10 www.avrdc.org
AVRDC in Bangladesh 1991 – 2006
• Technologies transfer and capacity building – Established a network of 23 NGOs and covered 49 sub-districts
of Bangladesh to conduct on-farm demonstrations, training and nutritional promotion
– Technologies for off-season production for tomato, cauliflower and okra
Slide 11 www.avrdc.org
Opportunities for income generation and better access to nutritious food
• Target periods of high market prices for a particular crop: – Success of summer tomato
• Requires improved varieties and crop management techniques to overcome production constraints
– Opportunities for other vegetables • Tropical sweet pepper• Cucumbers • Others
Slide 12 www.avrdc.org
Direct and year round access to vegetables and many nutrients
8 9
10
11
12 1 2 3 4 5 6 7 8 9
10
11
12 1 2 3 4
RD
A
2009 2010
0 200 400 600 800
1000 1200 1400 1600 1800 Daily biomass yield (g/ day) of
garden produce, Hyderabad model at RCSA
Bio
mass
yie
ld (
g/ day)
8 9
10
11
12 1 2 3 4 5 6 7 8 9
10
11
12 1 2 3 4
RD
A
2009 2010
0 1000 2000 3000 4000 5000 6000 7000 8000 9000
10000 Daily vitamin A supply (ug RE/ day)
of garden produce, Hyderabad model
Vit
am
in A
supply
(ug R
E/ day)
Slide 13 www.avrdc.org
AVRDC in Bangladesh 1991 – 2006
• Technologies transfer: home garden – Home garden design and training (2159 trainers trained, which
led to 46,371 farmers trained in 49 upazilas of 35 districts)– Technologies developed and transferred on household-based
seed production, seed processing, seed preservation– Food preparation and home gardening schemes produced to
promote the utilization
Slide 14 www.avrdc.org
Opportunity : Maximize garden nutrient supplies
• Year round access to nutritious food for Bangladeshi households
• Home garden transition to market garden
Slide 15 www.avrdc.org
http://avrdcnutrition.gtdtestsite.comoj.com/nutrition/index.php?table_name=AVRDC+Nutrition
Slide 16 www.avrdc.org
Low input processing for nutrient preservation and supply in off season
50 °C oven dried leaf powder
Sweet potato leaves
Moringa leaves50 °C oven dried leaves
80% b-carotene content retained
Slide 17 www.avrdc.org
Improved food methods, nutrient retention and accessibility; participatory recipe design and promotion
Nutritional values of vegetables change depending on our decisions
Gene Bank Field Plate Human
Germplasm Plant Food Health
• Low nutrient sp/acc
• Underutilized/ neglected
• Lack of adapted varieties
• Poor practices
• Severe nutrient loss
• Low bioavailability
• Imbalanced nutrient intake
• Low consumption
•Crop/genetic diversity
•G x E•Postharvest
•Preparation •Food habits
•Health status•Incomes
• Nutrient-rich sp• Diverse crops
• Adapted varieties
• Good cultural practices
• Reduced nutrient loss
• Improved bioavailability
• Diverse diets• Increased
consumption
Nutritional values