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The recognition of biotypes of the woolly aphid, Erisoma lanigerum(Hausmann), in South Australia by their differential ability to colonise varieties of apple rootstock, and an investigation of some possible factors in the susceptibility of varieties to these insects.Sen Gupta, Gokul Chandra. January 1969 (has links) (PDF)
Thesis (Ph.D.) from the Dept. of Entomology, University of Adelaide, 1971.
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The recognition of biotypes of the woolly aphid, Erisoma lanigerum(Hausmann), in South Australia by their differential ability to colonise varieties of apple rootstock, and an investigation of some possible factors in the susceptibility of varieties to these insectsSen Gupta, Gokul Chandra January 1969 (has links)
xiv, 253 leaves : ill. / Title page, contents and abstract only. The complete thesis in print form is available from the University Library. / Thesis (Ph.D.) from the Dept. of Entomology, University of Adelaide, 1971
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