Abstract
RECENT behavioural and nutritional investigations on Myzus persicae (Sulzer) fed and reared on synthetic diets have shown that the sucrose concentration and the overall level of the twenty amino-acids in the diet markedly affect the rate of ingestion of the diet1 as well as the rate of growth of the aphid2. Specifically with respect to the amino-acids, diets with a total amino-acid concentration of less than 1 per cent were fed on minimally and supported only poor or no growth. Rates of uptake and growth increased as the concentration was increased to 3.0 per cent; but whereas uptake declined somewhat, the growth rate continued to increase beyond that level to 4.8 per cent, the highest concentration tested.
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Dadd, R. H., and Mittler, T. E., J. Insect Physiol., 11, 717 (1965).
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Mittler, T. E., and Dadd, R. H., Ann. Entomol. Soc. Amer., 59, 1162 (1966).
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MITTLER, T. Effect on Aphid Feeding of Dietary Methionine. Nature 214, 386 (1967). https://doi.org/10.1038/214386a0
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DOI: https://doi.org/10.1038/214386a0
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