Update on West Africa- Banana and Plantain Program
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Update on West Africa- Banana and Plantain Program



Pre- and Classical Breeding,Germplasm for Breeding,

Pre- and Classical Breeding,Germplasm for Breeding,



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Update on West Africa- Banana and Plantain Program Presentation Transcript

  • 1. Update on West Africa Banana and Plantain Program1. Classical breeding 2. Pre-breeding 3. Agronomy -Old and new germplasm -Chromosome doubling -Production map -Program restructuring -Hormone treatment -Yield prediction -Variety registration -Density testing -Seedling production Molecular genetics in vitro culture Cytogenetics
  • 2. Pre- and Classical Breeding1. Classical breeding 1. Main targets: resistance to diseases (e.g. BS) -Improved plantain (PITA) series -Improved bananas (BITA) series -Promotion of PITA and BITA series ongoing -Registration in process for Nigeria (IITA-NIHORT)2. Utilization of small number of local varieties to initiate classical breeding (1) -Mainly driven by overcoming fertility barriers 3. PITA and BITA have good potentials -High yield -Tolerance to BS -Nutrient contents 4. Local landraces continue to be preferred -Susceptible to pests and diseases -Poor root system -Very low yield
  • 3. Germplasm for Breeding-Landraces, hybrids and wild species-PITA and BITA series put back in breeding scheme-New materials being acquired from other breeding programs-Creation of new breeding blocks
  • 4. Pre-breeding: a step before breedingDirect breeding using the preferred landraces (intractable to breeding so far) -Creation of double haploids (3n segregates as 2n + n) -Ovule culture + chromosome doubling -Direct chromosome doubling of triploid followed by crosses -Chromosome doubling of key diploid hybrids -Direct utilization of preferred triploids by improving fertility before crosses -Treatment with growth hormones Chromosome doubling Ovule culture
  • 5. Country specific aspects1. Nigeria-Moved away from Onne Station (South East Nigeria)-Activities concentrated in Ibadan-National partners and networks maintained-Variety registration with NIHORT. Variety description catalog available-Two projects ongoing-One national project developed (IITA, NIHORT, NAGRAB, NABDA)2. Ivory Coast-Collaboration with national partners [CNRA and Universities]-One breeding block created. A Field Technician hired.-6 project ideas in development (including one on banana-plantain)-Ivory Coast chosen by ECOWAS and the World Bank as the center of specialization forplantain with spill over in other ECOWAS countries[Second phase of the West Africa Agricultural Productivity Program (WAAPP) ]3. Ghana-The Crop Research Institute (CRI) has designated A responsible for Plantain (MichaelKwabena Osei).-In the course of developing a national project.4. Liberia:In touch with Liberian Colleagues. Problem is baseline data
  • 6. Tanzania Ivory Coast -Breeding for ESA -Breeding for WCA -East African Highland bananas -Plantain -Plantain -Other cooking bananas -Agronomy -Molecular laboratory aspects -Agronomy Pre-breeding support, seed and seedling transfer Transfer of breeding Materials for conservation and distributionNigeria-Pre-breeding operations-Introduction, in vitro regenerationand sanitation of new germplasm-Molecular laboratory aspects-Agronomy Transfer of breeding Materials for testing Cameroon Ghana -Germplasm testing -Germplasm testing -Post-harvest operations -Agronomy IITA banana and Plantain -Agronomy Program and WCA overview COUNTRY SPECIFIC DELIVERY HUBS