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Observations on the North American Form of Amphorophora rubi Kalt. (Homoptera, Aphididae)
Published online by Cambridge University Press: 31 May 2012
Extract
In 1937 Schwarze and Huber (3) reported the variety of Rubus idaeus L named “Lloyd George” to be totally resistant to the aphid Amphorophora rubi Kalt. This fact was of some economic significance because the aphid in question had been shown to be an active vector of Rubus viruses in North America. It was suggested that the aphid-resistant qualities of Lloyd George should be incorporated in plant-breeding programmes with a view to producing hybrids, with desirable commercial qualities, which would escape infection by the viruses.
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- Copyright © Entomological Society of Canada 1956
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