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 International Workshop on BBTV and BXW: Meeting the Challenges of Emerging Disease Threats to Banana and Strategies for Raising Awareness, Surveillance and Management of these Diseases in sub-Saharan Africa
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International Workshop on BBTV and BXW: Meeting the Challenges of Emerging Disease Threats to Banana and Strategies for Raising Awareness, Surveillance and Management of these Diseases in sub-Saharan Africa

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Banana bunchy top disease,Banana bacterial wilt,Total area of banana and plantain in BBTV & BXW-affected countries in Africa,Alliance to combat common threats

Banana bunchy top disease,Banana bacterial wilt,Total area of banana and plantain in BBTV & BXW-affected countries in Africa,Alliance to combat common threats

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  • 1. REPORTInternational Workshop on BBTV and BXW:Meeting the Challenges of Emerging Disease Threats to Banana and Strategies for Raising Awareness, Surveillance and Management of these Diseases in sub-Saharan Africa 24 – 28 August 2009, Arusha, Tanzania www.iita.org
  • 2. Background•Emergence and severe outbreaks of banana bunchy top and banana bacterial wilt in SSA.•Both the diseases are highly invasive and can spread rapidly causing severe damage to banana production. www.iita.org
  • 3. Banana bunchy top disease A B• Known to occur in Africa since 1920; in SSA since 1954.• Occurs in 11 countries (Angola, Burundi, Cameroon, Central African Republic, Congo, Democratic Republic of Congo, Equatorial Guinea, Gabon, Malawi, Rwanda and Zambia; Disease reported in Mozambique, but Govt. authorities reported eradication of BBTV ). www.iita.org
  • 4. Banana bacterial wilt • BBW (also known as banana Xanthomonas wilt or BXW) • Native to Ethiopia(!) • Outside Ethiopia, first reported in 2001 • Occurs in 6 countries: (DRC, Ethiopia, Kenya, Rwanda, Tanzania and Uganda).bacteriumXanthomonas campestris pv. musacearum www.iita.org
  • 5. Total area of banana and plantain in BBTV & BXW-affected countries in Africa 7000000 Musa area in Africa – 2007* 6000000 5000000ha 4000000 Total area Area of banana and plantain in 3000000 BBTV and BXW-affected countries *Source: FAOSTAT; (Verified in Aug 09) 2000000 1000000 0 Area of Musa Area of plantain Area of bananaMusa production in 4.5 million ha is under the threat of BXW and BBTV www.iita.org
  • 6. Alliance to combat common threatsEfforts were on to combat BXW, but verylittle was known about BBTV in SSA.Plant to hold regional meeting on BBTVdiscussed during “Banana-2008”.EU-Funding to SADC to establish aframework to control BBTV & BXW.FAO funding for East Africa forsurveillance.USAID-bridge fund to IITA and Bioversity. www.iita.org
  • 7. Objectives• To update the current status of BBTD and BXW, risk of further spread and national capacity for response.• To bring experiences from global partners on BBTD, BXW and banana aphid control to the planning and development of the SSA strategy.• To develop country/regional strategies to control BBTD, BXW and banana aphid in endemic areas, and restrict spread into unaffected zones.• To strengthen regional capacity for quarantine, research and extension with respect to surveillance and management tools and approaches on BBTD and BXW in SSA. www.iita.org
  • 8. 19 Countries: 60 participantsBurundi, Cameroon, Central African Republic, Congo, DRC, Kenya, Malawi,Mozambique, Nigeria, Rwanda, South Africa, Tanzania, Uganda, Zambia, andZimbabwe. Australia, India, Italy and UK.Invitations sent to Angola, Gabon and Equatorial Guinea, but there was noresponse. www.iita.org
  • 9. Program24 – 28 AugustDay 1: Baseline studies and country reports; and lessons from internationals experienceDay 2: New trends in BXW and BBTD managementWorking groups• Surveillance and quarantine feedback• Disease Control and Management Measures• Supply of Clean Planting Material• Advocacy and Socio-economic AssessmentDay 3 – 4: Discussion sessions on country priorities and prioritization of research needsDay 4 – 5: Surveillance workshop www.iita.org
  • 10. IITA team at helm•BBTV studies in SSA – L Kumar•Banana aphid and biocontrol – R Hanna•Overview and new trends in BXW research – L Tripathi•Surveillance workshop – F Beed•GIS in surveillance – H Bouwmeester•Country priority setting – S Hauser•Researchable issues – R Hanna www.iita.org
  • 11. Outputs•Further information and updates on: www.bananadiseasesframework.org•Wide coverage in media•High level meeting in 2010•Good source for problem assessmentand R4D needs, and soliciting donorsfor funding www.iita.org
  • 12. www.iita.org
  • 13. Country priorities 1. Surveillance and 2. Supply of 3. On-farm control 4. Advocacy / Socio- quarantine clean planting and management econ. assessment material practicesnone Mozambique 4 1 3 2none Nigeria 1 2 3 4none South Africa 1 3 2 4none Zimbabwe 1 3 2 4BXW Kenya 4 1 2 3BXW Tanzania 1 3 4 2BXW Uganda 3 1 2 4BBTD Burundi 2 1 3 4BBTD Cameroon 1 3 4 2BBTD CAR 2 3 1 4BBTD Congo Brazzaville 2 1 4 3BBTD Malawi 2 1 4 3BBTD Zambia 2 3 4 1both DRCongo 2 1 3 4both Rwanda 2 3 1 4 www.iita.org
  • 14. Research priorities for BBTD SSA SSA SSA countries country Countries without International Mean with BBTD BBTD expertsScreening germplasm for resistance 18 17 14 14Disease epidemiology 18 18 15 13IPM package 14 12 13 13User-friendly diagnosis 12 15 18 13Environmental /economical /social factors & diseasedynamics 12 16 13 14Biocontrol of aphid 9 9 9 9Spatial analysis and modelling disease/vector dispersal 9 12 12 10Screening insecticides 5 6 1 4Biopriming for aphid 4 4 5 3User-friendly techniques to eradicated disease - - - 10Aphid population biology - - - 20Transgenics for BBTV resistance - - - 20Long distance dispersal and development of disease - - - 20 www.iita.org
  • 15. Research priorities for BXW SSA SSA SSA Countri countries country es with without Mean BBTD BBTD International expertsIPM package 23 16 12 24Disease epidemiology 18 18 13 18User-friendly diagnosis 15 21 26 14Screening germplasm for resistance 14 13 21 13Environmental /economical /social factors & diseasedynamics 13 13 9 13Spatial analysis and modelling disease and vectordispersal 10 - - 9Pathogen variability - - - 5Risk to other crops - - - 5User-friendly techniques to eradicated disease - - 15User friendly/economic ways to disinfect tools (e.g.,natural biocides) - - 15Clarify/validate best-bet for dealing with BXWinfections (i.e., cut down or uproot) - - 15Survival of BXW in banana residues and ways toaccelerate decay - - 5Surveillance / epidemiology 8 www.iita.org
  • 16. Outputs1. Current status of BBTD and BXW in east, central and southern Africa reviewed and updated.2. Increased awareness of threat posed by BBTD and BXW and of possible strategies for regional, national and local action.3. Resolution from participants of the workshop on the need for immediate and broadened action to tackle the problem of BBTD and BXW.4. Proposal for national and regional actions on short, medium and long term needs for managing BXW and BBTD management. Contd… www.iita.org
  • 17. Outputs5. Priority Research needs itemized.6. Guidelines for surveillance and international and intra-national quarantine.7. Surveillance protocol for BXW and BBTV8. Website on BBTD among national and international partners on fighting the threat of BBTD; and existing website on BXW expanded to incorporate additional partners.9. Assessment impact of BXW (in Uganda) and BBTD (in Malawi) on Musa production and livelihoods.10. Workshop proceedings (in preparation) www.iita.org
  • 18. www.iita.org