The effect of barley yellow dwarf virus on field populations of the cereal aphids, Sitobion avenae and Metopolophium dirhodum

A - Papers appearing in refereed journals

Ajayi, O. and Dewar, A. M. 1983. The effect of barley yellow dwarf virus on field populations of the cereal aphids, Sitobion avenae and Metopolophium dirhodum. Annals of Applied Biology - AAB. 103 (1), pp. 1-11. https://doi.org/10.1111/j.1744-7348.1983.tb02734.x

AuthorsAjayi, O. and Dewar, A. M.
Abstract

The numbers of cereal aphids, especially Metopolophium dirhodum in 1979, and Sitobion avenae in 1980, were significantly increased on BYDV infected wheat and oats in 1979, and wheat, barley and oats in 1980.

The differences were probably caused by attraction of alates of each species to virus infected plants which had changed colour as a result of their infection. Significantly more alates of M. dirhodum were found on virus infected oats in 1979, and of S. avenae on oats and barley in 1980, although not on wheat in either year. probably because the colour contrast in wheat was less intense than in the other crops.

Flight chamber experiments with alates of both species confirmed their visual attraction to virus‐infected leaves. The interaction between virus, vector and host plants is discussed with reference to the ecology of virus spread.

Year of Publication1983
JournalAnnals of Applied Biology - AAB
Journal citation103 (1), pp. 1-11
Digital Object Identifier (DOI)https://doi.org/10.1111/j.1744-7348.1983.tb02734.x
Open accessPublished as non-open access
Output statusPublished
Publication dates
Print01 Aug 1983
Online26 Feb 2008
Publication process dates
Accepted04 Mar 1983
Copyright licensePublisher copyright
PublisherWiley
ISSN0003-4746

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