Aphid (Hemiptera: Aphididae) populations and the incidence of virus yellows on insecticide-free sugarbeet in south-eastern England in 1978-81
Publisher: Cambridge University Press
E-ISSN: 1475-2670|77|4|617-628
ISSN: 0007-4853
Source: Bulletin of Entomological Research, Vol.77, Iss.4, 1987-12, pp. : 617-628
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Abstract