https://vital.seals.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Studies on the use of essential oils for the control of Sitophilus Zeamais (Motschulsky) (Coleoptera; Curculionidae): a pest of stored maize grains https://vital.seals.ac.za/vital/access/manager/Repository/vital:11301 Wed 12 May 2021 17:56:13 SAST ]]> Variation in the essential oil composition of Calendula Officinalis L https://vital.seals.ac.za/vital/access/manager/Repository/vital:11334 Wed 12 May 2021 16:52:39 SAST ]]>