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Purba, Edison Dept. of Crop Protection 1993 http://hdl.handle.net/2440/21421 Bibliography: leaves 143-161. xi, 161 leaves : ill. ; 30 cm. Pot experiments are undertaken during the winter growing season to examine Paraquat and Diquat resistance in the grass weed species Hordeum leporinum Link., H. glaucum Steud. and Vulpia bromoides SF Gray, and in the broadleaf weed Arctotheca calendula (L.) Levyns. Thesis (Ph.D.)--University of Adelaide, Dept. of Crop Protection, 1994 450372 bytes application/pdf en Paraquat. Diquat. Bipyridinium compounds. Herbicide resistance Australia. Factors influencing the development of resistance to the bipyridyl herbicides in Australia / Edison Purba. 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/legalsopen.access