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Impact of Cowpea mottle virus on the Growth and Yield of Bambara Groundnut (Vigna subterranean (L.) Verdc.)

¹ Université Ouaga I Professeur Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
² Laboratoire de Virologie et de Biotechnologie Végétale (LVBV)/Institut de l’Environnement et de Recherches Agricoles (INERA) & Laboratoire Mixte Internationale (LMI) Patho-Bios/INERA, Ouagadougou, Burkina Faso
³ Laboratoire de Virologie et de Biotechnologie Végétale (LVBV)/Institut de l’Environnement et de Recherches Agricoles (INERA) & Laboratoire Mixte Internationale (LMI) Patho-Bios/INERA, Ouagadougou, Burkina Faso
⁴ Laboratoire de Virologie et de Biotechnologie Végétale (LVBV)/Institut de l’Environnement et de Recherches Agricoles (INERA) & Laboratoire Mixte Internationale (LMI) Patho-Bios/INERA, Ouagadougou, Burkina Faso
⁵ Laboratoire de Virologie et de Biotechnologie Végétale (LVBV)/Institut de l’Environnement et de Recherches Agricoles (INERA) & Laboratoire Mixte Internationale (LMI) Patho-Bios/INERA, Ouagadougou, Burkina Faso
⁶ Université Ouaga I Professeur Joseph Ki-Zerbo, Ouagadougou, Burkina Faso
⁷ Laboratoire National de Biosécurité, Ouagadougou, Burkina Faso

American Journal of Plant Sciences·Volume 09 (2018)·Pages 2053–2062·Published 5 September 2018·DOI10.4236/ajps.2018.910149

Abstract

Bambara groundnut [ Vigna subterranean (L.) Verdc] is a food legume with high potential for food security in Sub-Saharan Africa. However, in addition to being a neglected crop, its production is limited by several constraints among which viral diseases are most cited. In order to contribute to the improvement of Bambara groundnut in Burkina Faso, local accessions of the crop were screened for resistance to Cowpea mottle virus (CPMoV), one of the most damaging viruses in grain legumes. Seven local accessions (C1 to C7) from two agro-ecological zones were evaluated by mechanical inoculation in field conditions in 2016 and 2017. The infected plants exhibited various symptoms of chlorosis, leaf deformation, growth retardation and plant stunting. CPMoV caused a significant reduction in the number of flowers and pods. As a result, grain yield was reduced by 49.5% to 83.9% depending on the accessions. The impact of the virus in yield loss was lowest in accessions C6 and C7 which indicated their possible used in the management of Cowpea mottle virus disease in bambara groundnut.

KeywordsBambara Groundnut&lti&gtCowpea mottle virus&lt/i&gtImpactYield Loss

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Impact of <i>Cowpea mottle virus</i> on the Growth and Yield of Bambara Groundnut (<i>Vigna subterranean</i> (L.) Verdc.)

Abstract

References (18)