https://commons.ufh.ac.za/vital/access/manager/Index ${session.getAttribute("locale")} 5 Xylem as well as phloem sustains severe damage due to feeding by the Russian wheat aphid https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6541 Thu 11 Aug 2022 07:03:41 SAST ]]> Comparison of structural damage caused by Russian wheat aphid (Diuraphis noxia Mordvilko) and Bird cherry-oat aphid (Rhopalosiphum padi L.) in a susceptible barley cultivar, Hordeum vulgare L. cv Clipper https://commons.ufh.ac.za/vital/access/manager/Repository/vital:6540 Thu 11 Aug 2022 07:02:40 SAST ]]>