2021. EFFICACY OF CYMBOPOGON CITRATUS (DC) STAPF AND AZARIRACTHA INDICA L PLANT EXTRACTS IN VITRO AND IN THE CONTROL OF ARTIFICIAL INFESTED SOIL BY RALSTONIA SOLANACEARUM IN WEST BURKINA FASO . EPH-International Journal of Applied Science. 7, 1 (Mar. 2021), 1–6. DOI:https://doi.org/10.53555/eijas.v7i1.70.