https://vital.seals.ac.za/vital/access/manager/Index en-us 5 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://vital.seals.ac.za/vital/access/manager/Repository/vital:6540 Tue 27 Aug 2024 10:26:50 SAST ]]> Xylem as well as phloem sustains severe damage due to feeding by the Russian wheat aphid https://vital.seals.ac.za/vital/access/manager/Repository/vital:6541 Tue 27 Aug 2024 10:26:48 SAST ]]>