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Peng, Zhongkui Dept. of Crop Protection 1991 http://hdl.handle.net/2440/19578 Bibliography: leaves 170-189. xi, 189 leaves : ill. (some col.) ; 30 cm. This thesis looks at aphid feeding determinants by type and location. It examines the role of leaf surface chemicals in the discrimination of host plants and the deterrent effect of catechin and its oxidative condensation products. Thesis (Ph.D.)--University of Adelaide, Dept. of Crop Protection, 1992 212260 bytes application/pdf en Aphididae. Roses Diseases and pests. Catechin. Feeding determinants in aphids with special reference to the Rose Aphid Macrosiphum rosae (L.) / by Zhongkui Peng. Thesis This electronic version is made publicly available by the University of Adelaide in accordance with its open access policy for student theses. Copyright in this thesis remains with the author. This thesis may incorporate third party material which has been used by the author pursuant to Fair Dealing exception. If you are the author of this thesis and do not wish it to be made publicly available or If you are the owner of any included third party copyright material you wish to be removed from this electronic version, please complete the take down form located at: http://www.adelaide.edu.au/legals.open.access