Burkina Faso Université de Ouagadougou Major research achievements on taro (Colocasia esculenta (L.) in Burkina Faso M. TRAORE Renan Ernest Unité de Formation et de Recherche en Science de la Vie et de la Terre (UFR/SVT) Laboratoire de Génétique et de Biotechnologie Végétales (LGBV) [email protected] ou [email protected] Tél: 00226 76489300 The International Network for Edible Aroids (INEA) / Launching Meeting , Kuala Lumpur, April 13-14 th 2011 PLAN INTRODUCTION 1.  GERMPLASM CONSERVATION, CONTRAINTS AND DIFFICUTIES 2.  MAJOR BIOTIC AND ABIOTIC STRESSES 3.  PREVIOUS BREEDING EXPERIENCES WITH EDIBLE AROIDS 4.  FARMERSʼ NEED AND RESEARCH PRIORITIES 5.  EXPECTATIONS FROM THE PROPOSED GLOBAL PROJECT CONCLUSION AND ACKNOWLEDGEMENTS The International Network for Edible Aroids (INEA) / Launching Meeting , Kuala Lumpur, April 13-14 th 2011 INTRODUCTION - Typical sudano-sahelian climate - From North to South : 3,00 – 1,200 mms of water / year INTRODUCTION - Area : 274 200 Km2 - Capital city : Ouagadougou - Population : about 16 million inhabitants - 80% of the population live on agriculture - Sorghum, maize, millet are the main food crops - Cotton is the main cash crop The International Network for Edible Aroids (INEA) / Launching Meeting , Kuala Lumpur, April 13-14 th 2011 INTRODUCTION - Tuber crops: cassava, sweet potatoes, yams, taro (Colocasia and Xanthosoma) - Taro: commonly grown on small surfaces, household-farm crop, gardens, lowlands and treesʼ shade - Orphan crops such as taro: no statistical data, lack of national recovery -However taro has nutritional, economic potentialities, thus, INTRODUCTION -  Objective of the laboratory : to valorize taro in Burkina Faso - to characterize the local varieties on the morphological, molecular and biochemical levels - then to improve the varieties which have an undesirable characteristics - Current activities: prospecting-collecting, agro-morphological characterization, molecular characterization and ethnobotanical study -  The characterization concerns only Colocasia for the moment The International Network for Edible Aroids (INEA) / Launching Meeting , Kuala Lumpur, April 13-14 th 2011 1. GERMPLASM CONSERVATION, CONSTRAINTS AND DIFFICULTIES -­‐    Prospec*ng  and  collec*ng  at 2005 and 2007   Number of Provinces (origin) local names Pluviometry Climate accessions type 21 Balé Koudbadé, kourouba, bôzôbo 21 Bazèga Koudbadé, krouba 10 Boulkiemdé Koudbadi 02 Ganzourgou Koudbadé 38 Kadiogo Koudibadé, Badkoudi 05 Kourwéogo Koudbadé 10 Mouhoun Kourouba 700 – 900 mm Nord 04 Sanguié Kroubari soudanien 19 Tuy Koudoubaré, kouroubè, kouraba 15 Ziro Gnion, koudoubadi, koudbadè (North – 26 Zoundwéogo Koudbadi, koudbada, koudoubada Sudanese) 02 Bougouriba Kourbara 36 Comoé Daba woula ou Tabouchi 05 Ioba Mankanni , Tchoubou 900 – 1200 mm Sud 02 kénédougou Kourouba soudanien 03 Nahouri 04 Noumbiel (South- 07 Sissili Kourbarou sudanese) Total : 22303 0   181 8   1188   Number, origin, local names of our germplasm at 2005 and 2007 1. GERMPLASM CONSERVATION, CONTRAINTES AND DIFFICULTIES Geographic distribution of Colocasia and Xanthosoma in Bukina Faso The International Network for Edible Aroids (INEA) / Launching Meeting , Kuala Lumpur, April 13-14 th 2011 1. GERMPLASM CONSERVATION, CONTRAINTES AND DIFFICULTIES - Germplasm conservation - The storage method is of type ex situ - Accessions are kept in a cupboard at the laboratory - Each year the collection is renewed in greenhouse or experimental field 1. GERMPLASM CONSERVATION, CONTRAINTES AND DIFFICULTIES - Germplasm conservation Acessions of taro in cupboard Plants of taro in greenhouse The International Network for Edible Aroids (INEA) / Launching Meeting , Kuala Lumpur, April 13-14 th 2011