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 . EIJAS. 2021;7(1):1-6. doi:10.53555/eijas.v7i1.70