The recognition of biotypes of the wolly aphid, Eriosoma 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 varieies to these insects
By: G.C. Sen Gupta
Contributors: University of Adelaide
Published: 1969
Language: eng
Notes: Thesis (doctoral)--University of Adelaide, 1969.