Global ETD Search

About
The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.

1	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. Apples Erisoma lanigerum.
2	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) 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 Apples Diseases and pests. Erisoma lanigerum.