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Chlorotic Spotting of Black Raspberry Induced by the Feeding of Amphorophora rubitoxica Knowlton1

Published online by Cambridge University Press:  31 May 2012

Extract

A chlorotic spotting of the foliage of black raspberry (Rubus occidentalis L.) is widespread in the coastal regions of British Columbia. The spotting first appears in June and new spots continue to develop during July and August. By mid-July, spotting occurs on virtually all plants, although its incidence varies considerably and, on some plants, only a few leaflets are affected.

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1954

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References

1 Contribution No. 1380 from the Botany and Plant pathology Division, Science Service, Department of Agriculture, Ottawa, Canada.