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Genomics,genetics and breeding of tropical legumes for better livelihoods of smallholder farmers
Authors:Chris Ojiewo  Emmanuel Monyo  Haile Desmae  Ousmane Boukar  Clare Mukankusi‐Mugisha  Mahendar Thudi  Manish K Pandey  Rachit K Saxena  Pooran M Gaur  Sushil K Chaturvedi  Asnake Fikre  NPVR Ganga Rao  CV SameerKumar  Patrick Okori  Pasupuleti Janila  Jean Claude Rubyogo  Chigeza Godfree  Essegbemon Akpo  Lucky Omoigui  Stanley Nkalubo  Berhanu Fenta  Papias Binagwa  Michael Kilango  Magdalena Williams  Omari Mponda  David Okello  Mekasha Chichaybelu  Amos Miningou  Joseph Bationo  Dramane Sako  Sory Diallo  Candidus Echekwu  Muhammad Lawan Umar  Richard Oteng‐Frimpong  Haruna Mohammed  Rajeev K Varshney
Abstract:Legumes are important components of sustainable agricultural production, food, nutrition and income systems of developing countries. In spite of their importance, legume crop production is challenged by a number of biotic (diseases and pests) and abiotic stresses (heat, frost, drought and salinity), edaphic factors (associated with soil nutrient deficits) and policy issues (where less emphasis is put on legumes compared to priority starchy staples). Significant research and development work have been done in the past decade on important grain legumes through collaborative bilateral and multilateral projects as well as the CGIAR Research Program on Grain Legumes (CRP‐GL). Through these initiatives, genomic resources and genomic tools such as draft genome sequence, resequencing data, large‐scale genomewide markers, dense genetic maps, quantitative trait loci (QTLs) and diagnostic markers have been developed for further use in multiple genetic and breeding applications. Also, these mega‐initiatives facilitated release of a number of new varieties and also dissemination of on‐the‐shelf varieties to the farmers. More efforts are needed to enhance genetic gains by reducing the time required in cultivar development through integration of genomics‐assisted breeding approaches and rapid generation advancement.
Keywords:grain legumes  legume breeding  legume genetics  legume genomics  legume variety adoption  legume variety release  tropical legumes
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