Michura, Anne Jerotich Garry Synergistic qualities of selected plant extracts on potency of Pyrethrins against the maize Weevil, Sitophilus Zea-Mais (Motsch.) (Colleoptera: Curculionidae) - Chuka Chuka University 2020 - 155 leaves Illustrated Subjects--Topical Terms: Pests--Biological control LC Class. No.: THE SB 975 / .G37 2020