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Effect of the spruce root aphid, Pachypappa vesicalis on the growth and physiology of Sitka spruce seedlings

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Identiferoai:union.ndltd.org:bl.uk/oai:ethos.bl.uk:337573
Date January 1996
CreatorsCook, Paul Andrew
PublisherLancaster University
Source SetsEthos UK
Detected LanguageEnglish
TypeElectronic Thesis or Dissertation

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