rtb progress, priorities and planning for climate resiliencesurveys pests and diseases along...
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RTB progress, priorities and planning for climate
resilience Jan 22
2016
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RTB PROGRAM
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A COLLABORATION OF:
• Broad based collaborative platform • Around 200+ research-for-development
stakeholders & partners • Including private sector
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Banana Plantain
Cassava Potato Sweetpotato Yam Other R&T
300 million small holder farmers and processors depend on RTB crops Buffering role in food systems
Our Crops
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RTBs share • Genetic complexity • Vegetative propagation, similar seed systems
• Perishability, bulkiness and post harvest/value chain options
Why Roots, Tubers and Bananas?
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Biological constraints to breeding
Breeding complexity
Banana Cassava Potato Sweet potato
Yam
Multi-species + - + - + Polyploidy +++ - ++ ++ ++ Clonal propagation + + + + + Heterozygosity ++ ++ ++ ++ ++ Multiplication rate/year 1:10 1:5 1:10 1:15 1:20
Other constraints: • Low seed setting • Low germination • Crossing difficulties • Long generation time
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RTB ACHIEVEMENTS
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1. Adding value synergistic research: breeding
• Sequencing and phenotyping data • Support genomic analyses (GWAS, GS)
for complex traits (eg. potato tuberization and early bulking, fertility and fruit quality in banana)
• Common Vision RTB data management and bio-informatics • Promote linkages CassavaBase,
SweetpotatoBase, MusaBase etc with Integrated Breeding Platform and multiple crop/center tools
August 2015, Bioversity Montpellier
January 2015, Ithaca
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1. Adding value synergistic research: breeding
Integrating End User Preferences in RTB Breeding – Workshop Kampala (Feb 2015)
Critical gaps: working across disciplines to fill gaps in knowledge and technical support to bring greater “end-user awareness” to public sector
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• Biological and socio-economic surveys pests and diseases along altitudinal gradients
• Modelling to understand degeneration of planting material and design cost effective interventions
• Improvement of energy efficiency in cassava processing & adding value to RTB waste products
1. Adding value: seed, pests and diseases and post harvest
•Collaboration with ILRI and CRP Livestock & Fish and CRP Humidtropics
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1. Adding value: example
Seed degeneration and modelling seed systems • Yield loss viruses and seed
system major shared constraint
• Knowledge gap on actual losses and degeneration
• Common framework: banana, cassava, potato, sweetpotato, yam
• CG centers, KSU + NARS
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General procedure: Field trials linked to modeling
Sara (KSU)
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Planning Implementing
Data management Publishing
Evidence based policy
Building a Culture of Collaboration Planning
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2. Platform for engaging partners
• RTB part of GCP21 governance • Enthusiastically supports GCP21
and ISTRC as partnership organizations
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2. Platform for engaging partners
Co-constructed impact pathways: • Results frameworks
validated at national/regional level
• Basis for defining roles,
synergies and coordination mechanisms
Cassava processing, Nigeria
Potato seed system, Kenya
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3. Integrating gender into core research
• Targeted and linked up approach for gender research: – Gender and breeding – RTB & NEXTGEN Cassava
project pilot study on gender differentiated preferences for cassava traits in Nigeria
• Critical gaps and building capacity with RTB-University Partnership Gender Integration initiative – 9 universities and 6 students in
2015
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1. Notable progress in past 4 years
2. RTB strongly warrants continuing
3. Well directed, achieving reasonable # of milestones
4. Adding value across crops and centers
5. Science sound 6. NARs appreciative
4. Outstanding external review - IEA
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• RTB-ENDURE: Expanding utilization of roots, tubers and bananas and reducing their postharvest losses
• Product differentiation in cooking banana value chain
• Sweetpotato and RTB crop residues for pig feeds
• Postharvest innovations for better access to specialized ware potato markets
• Extending shelf-life of fresh cassava roots
5. RTB led projects
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Nigeria Cassava Value Chain & project
Breeder Seed
Foundation seed
Commercial seed growers
Farmers / Seed Users
Seed Quality & Protocols
Seed & Information
Consumer Demand & Money
M&E
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Cassava seed value chain workshop
RTB facilitated IITA
Context Network Fera SAH
NRCRI NASC
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CGIAR AND RTB CHANGES UNDERWAY!
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3 System Level Outcomes ----------------------------- 10 Programmatic Intermediate Development Outcomes (IDOs) 30 Programmatic sub-IDOs ------------------------------ 4 Cross-cutting IDOs 16 Cross-cutting sub-IDOs ------------------------------ 8 Global Challenges
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Global integrating programs
Portfolio of CGIAR Research Programs
Dryland Cereals and Legumes systems
Fish agri-food systems
Forest and Agroforestry systems
Livestock agri-food systems
Maize agrifood systems
Rice agri-food systems
Roots, tubers and bananas systems
Wheat agri-food systems
NUTRITION
&
HEALTH
PI
M
WLE
CLI
MATE
CHANGE
Agri-food systems programs
Genebanks
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Total number of beneficiaries (2022)1 Primary target countries 20,000,000 people (50% women) increased their income 30,000 small and medium enterprises operating more profitably in RTB seed and processing sectors
Africa: Burundi, Cameroon⁺, Congo, Democratic Republic of the Congo (DRC)⁺, Ethiopia⁺⁺, Ghana⁺, Ivory Coast, Kenya⁺, Malawi⁺, Mozambique⁺, Nigeria⁺⁺, Rwanda⁺, Tanzania⁺⁺, Uganda⁺, Zambia⁺ Americas: Bolivia, Colombia, Ecuador, Haiti, Peru Asia: Bangladesh⁺⁺, China, India⁺, Indonesia, Nepal⁺, Thailand, The Philippines, Vietnam⁺⁺
8,000,000 farm households increased RTB yield through adoption of improved varieties and sustainable management practices
10,000,000 people (50% women) improved their diet quality (measured by dietary diversity score)
800,000 ha of farm land with soil carbon and nutrients content improved
1,700,000 ha of current RTB production area converted to sustainable cropping systems
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CRP Second Phase 2017-2022
• Pre-proposal submission and review 2015
– Highly collaborative writing team! – Close engagement Humidtropics CRP
• Submission of full proposal and review 2016 – Writing process underway
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RTB New Program Structure
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Six big achievements of RTB!
1. Adding value through synergistic, cross crop research
2. Platform for engaging broad range of partners: ARIs, national programs, private sector and NGOs
3. Integrating gender into core research activities 4. Outstanding external review! 5. RTB led projects in Uganda on post harvest
innovation and Nigeria on cassava seed 6. Successfully transitioning to a new agri-food
system CRP as part of CGIAR reform
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RTB PLANNING FOR CLIMATE RESILIENCE: POVERTY IMPACTS
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Sub-Saharan Africa most vulnerable: price rises and climate change
World Bank 2016 – Shock Waves: Managing the Impacts of Climate Change on Poverty
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Food price rises could lead to big increases in poverty
World Bank 2016
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Per-capita food demand
IFPRI, IMPACT version 3.2, 8 September 2015
Cereals
Meat
Roots & tubers
Pulses
Oilseeds
Fruits & veg
WLD = World; EAP = East Asia and Pacific; EUR = Europe; FSU = Former Soviet Union; LAC = Latin America and Caribbean; MEN = Middle East and North Africa; NAM = North America; SAS = South Asia; SSA = Sub-Saharan Africa;
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Population at risk of hunger: different climate change scenarios
IFPRI, IMPACT version 3.2, 8 September 2015
EAP = East Asia and Pacific; SAS = South Asia; FSU = Former Soviet Union; MEN = Middle East and North Africa; SSA = Sub-Saharan Africa; LAC = Latin America and Caribbean
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Technological change dampening increased food costs: esp SSA
Incr
ease
d fo
od c
osts
World Bank 2016
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1. Climate change will increase food prices 2. Increasing food prices worsens extreme poverty 3. Per capita demand for roots and tubers in SSA
significantly higher than cereals in 2050 4. High global emissions scenario, population at risk of
hunger declines markedly in most of world, but only slightly in SSA
5. Technological change in roots and tubers essential to dampen food price increases and risk of hunger under any climate change scenario
Climate change, poverty and roots and tubers
World Bank 2016
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RTB PLANNING FOR CLIMATE RESILIENCE: CROP MODELLING
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Is cassava the answer to African climate change adaptation? A. Jarvis et al
1.Projections 2030 2.Cassava positively impacted many areas
−3.7% to +17.5% changes climate suitability 3.Other staples (−16% ± 8.8), potato
(−14.7 ± 8.2), banana (−2.5% ± 4.9), and sorghum (−2.66% ± 6.45)
4.Ecological niche modeling: cassava mosaic disease, whitefly, brown streak disease and cassava mealybug
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Pest Risk Assessment and Climate Change Target Sites along Altitudinal Gradients
Rusizi Basin, Burundi Climate gradient Burundi, Rusizi Basin: 900 to 2600 m Rwanda, Ruhengeri: 1400 to 2600 m
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BXW & Fusarium wilt
CMD, CBSD & whiteflies
Altitude Effects on RTB Pest/Diseases
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Native Potatoes shift to higher altitudes
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Shift to higher altitudes of native potatoes
297m in 50 years
Source: Juarez, Pasencia and De Haan
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``
`` Generation index
[2000] Phthorimaea operculella
0 1-2 generations / year 3-4 generations / year 5-6 generations / year 7-8 generations / year 8-9 generations / year
``
`` Generation index
[2050] Phthorimaea operculella
0 1-2 generations / year 3-4 generations / year 5-6 generations / year 7-8 generations / year 8-9 generations / year
Climate change: potato tuber moth distribution
Economic threshold >4 generations per year Increase from 25.9%
to 37.0% total area by 2050.
Kroschel, J., Sporleder, M., Tonnang, H.E.Z., Juarez, H., Carhuapoma, P., Gonzales, J.C. and Simon, R. (2013) Predicting climate change caused changes in global temperature on potato tuber moth Phthorimaea operculella (Zeller) distribution and abundance using phenology modeling and GIS mapping. Agricultural and Forest Meteorology 170:228-241.
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0.0
10.0
20.0
30.0
40.0
50.0
60.0
TGA
(mg/
100
g, F
W)
La Molina Winter San Ramon
Monitoring Food Safety w/ Climate Change
Total Glycoalkaloid concentration (TGA) advanced heat tolerant, disease resistant potato clones
Normal versus high temperature conditions in Peru
Max safe TGA
Breeder’s goal max.
TGA
Source: Bonierbale, Zum Felde
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RTB PLANNING FOR CLIMATE RESILIENCE: RESEARCH OPTIONS
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Screening sweetpotato for heat tolerance
• Evaluation environments (N. Peru):
-heat stress (summer): Ø soil temp. at night: 30 °C -no-heat stress (winter): Ø soil temp. at night 24 °C
• Plant material: 1973 germplasm accessions CIP genebank.
• Key prioritized traits: heat tolerance and early bulking, plant performance and yield related traits assessed.
• Remote sensing fast throughput method to screen effects of heat on biochemical and physiological processes
Experimental site in Piura during winter.
Yields of storage roots vs. pencil roots represent an indicator for heat tolerance.
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Aerial picture: summer 2014 heat stress exposure at maximum storage root bulking.
Thermographic image: of summer 2014 heat stress exposure at maximum storage root bulking.
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Results • Large fraction
sweetpotato germplasm heat stress tolerant (i.e., 305 clones with yields >12.2 t ha-1 under stress).
• Considerable genetic variation heat stress
• Large pool favorable alleles to heat stress
• Large and sustainable genetic gains expected
Bettina Heider1, Elisa Romero1, Raul Eyzaguirre1, Wolfgang Grüneberg1, Emile Faye2, Stef de Haan1,3 and Merideth Bonierbale1
1= CIP, 2=IRD (Institut de recherche pour le développement), 3=CIAT
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Root System Architecture and its Potential Role in Stress Tolerance in
RTB Crops Awais Khan
December 8, 2015
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Root Traits are Positively Correlated with HI and Tuber Yield under Drought Stress
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New paradigm of Genomics-Assisted Climate Sensitive Breeding
Varshney et al. 2014
Foresight, models and metrics for climate sensitive breeding
Do what we were already doing but:
Faster Better
More intelligently
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8. Wrap up
1. Climate change increase food prices and poverty 2. Largest effect SSA: roots and tubers primary staple 3. Complex picture of climate change impacts 4. Considerable scope adaptation roots and tubers 5. Very large unknowns and unexpected effects 6. Climate sensitive breeding priority 7. Breeding metrics: faster, better, more intelligent 8. High priority for RTB to support teaming up!