Letter | Published:

Effect on Aphid Feeding of Dietary Methionine

Naturevolume 214page386 (1967) | Download Citation

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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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References

  1. 1

    Mittler, T. E., Entomol. Exp. App. (in the press).

  2. 2

    Dadd, R. H., and Mittler, T. E., J. Insect Physiol., 11, 717 (1965).

  3. 3

    Dadd, R. H., and Krieger, D. L., J. Insect Physiol. (in the press).

  4. 4

    Strong, F. E., and Sakamato, S. S., J. Insect Physiol., 9, 875 (1963).

  5. 5

    Mittler, T. E., and Dadd, R . H., Entomol. Exp. App., 7, 315 (1964).

  6. 6

    Mittler, T. E., Entomol. Exp. App. (in the press).

  7. 7

    Auclair, J. L., Ann. Entomol. Soc. Amer., 58, 855 (1965).

  8. 8

    Mittler, T. E., and Dadd, R. H., Ann. Entomol. Soc. Amer., 59, 1162 (1966).

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Affiliations

  1. Division of Entomology, University of California, Berkeley, California

    • T. E. MITTLER

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https://doi.org/10.1038/214386a0

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