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A study of the life-history and ecology of pulvinaria vitis (L.) (hemiptera - coccoidea), the cottony scale attacking peach in Ontario.

Cottony scale is a pest of peach, that although not annually numerous or troublesome, nevertheless, poses a constant threat to the peach growers in the Niagara peninsula. Its capacity to build up a population rapidly when conditions are favourable and thus to cause extensive injury before a grower is aware of its presence, makes it a pest that requires to be carefully controlled even in light infestations. [...]

Identiferoai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:QMM.119138
Date January 1960
CreatorsPhillips, J.H.H.
ContributorsDuPorte, E. (Supervisor)
PublisherMcGill University
Source SetsLibrary and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada
LanguageEnglish
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation
Formatapplication/pdf
CoverageDoctor of Philosophy. (Department of Entomology and Plant Pathology. )
RightsAll items in eScholarship@McGill are protected by copyright with all rights reserved unless otherwise indicated.
Relationalephsysno: NNNNNNNNN, Theses scanned by McGill Library.

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