Abstract
In investigations of the polyhedral disease of the spruce budworm, the polyhedral bodies have been purified and the isolated virus rods described. Quantitative infection tests indicate a high resistance or immunity of the insects against the virus. Some remarks are made regarding epizootiology.
Publisher
Canadian Science Publishing
Subject
Animal Science and Zoology,Ecology, Evolution, Behavior and Systematics
Cited by
38 articles.
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