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EFFECTS OF INFESTATIONS BY THE CORN LEAF APHID, RHOPALOSIPHUM MAIDIS (HOMOPTERA: APHIDIDAE), ON FIELD CORN IN SOUTHWESTERN ONTARIO

Published online by Cambridge University Press:  31 May 2012

W. H. Foott  and
P. R. Timmins
W. H. Foott
Affiliation:
Research Station, Canada Department of Agriculture, Harrow, Ontario
P. R. Timmins
Affiliation:
Research Station, Canada Department of Agriculture, Harrow, Ontario
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Abstract

The effects of various levels of infestation of the corn leaf aphid, Rhopalosiphum maidis (Fitch), on yield of field corn were examined from 1965 to 1970 inclusive when all plants whose yield might have been influenced by factors other than aphid feeding were excluded from the data. A possible relationship between moisture stress in plants and degree of aphid injury was also investigated.

A light infestation (maximum of 400 aphids on the tassel) caused average yield reductions up to 8.3% when plants were under moisture stress, but nil to negligible losses when moisture was adequate. Moderate infestations (many hundreds of aphids on part of the tassel) produced average losses up to 34.8% under drought conditions and up to 11.8% when moisture was abundant. Severe infestations (many hundreds of aphids on most of the tassel) caused average yield reductions ranging from 43.2 to 91.8% when plants were under water stress and up to 58.9% even with abundant moisture. Very severely infested plants (many hundreds on all of the tassel and whorl leaves) were usually barren or had ears with just a few kernels regardless of moisture conditions.

Most injury from aphid feeding appeared to occur before and during pollination. No particular combination of temperature and rainfall favored aphid buildup.

Type
Articles
Information
The Canadian Entomologist , Volume 105 , Issue 3 , March 1973 , pp. 449 - 458
Copyright
Copyright © Entomological Society of Canada 1973

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References

Bigger, J. H. 1958. Damage to the corn crop by the corn leaf aphid. Proc. N. cent. Brch ent. Soc. Am. 13: 19.Google Scholar
Claassen, M. M. and Shaw, R. H.. 1970. Water deficit effects on corn. II. Grain components. Agron. J. 62: 652–655.CrossRefGoogle Scholar
Coon, B. F., Miller, R. C., and Aurand, L. W.. 1948. Correlation between carotene content of corn and infestation by the corn leaf aphid. Penn. agric. Exp. Stn J. Ser. Pap. 1436.Google Scholar
Denmead, O. T. and Shaw, R. H.. 1960. The effects of soil moisture stress at different stages of growth on the development and yield of corn. Agron. J. 52: 272–274.CrossRefGoogle Scholar
Everly, R. T. 1960. Loss in corn yield associated with the abundance of the corn leaf aphid, Rhopalosiphum maidis, in Indiana. J. econ. Ent. 53: 924–932.CrossRefGoogle Scholar
Everly, R. T., Bram, R. A., Matthew, D. L. Jr., and Saugstad, E. S.. 1965. Corn insect survey in Indiana in 1964. U.S. Dep. Agric. Co-op. econ. Insect Rep. 15: 1173–1180.Google Scholar
Fitch, A. 1856. Second report on the noxious, beneficial and other insects of the State of New York. Trans. N.Y. agric. Soc. 15: 550–552.Google Scholar
Fulton, J. M. 1970. Relationships among soil moisture stress, plant populations, row spacing and yield of corn. Can. J. Pl. Sci. 50: 31–38.CrossRefGoogle Scholar
Neiswander, C. R. 1948. The present status of the corn leaf aphid. Proc. N. cent. Brch ent. Soc. Am. 3: 35–36.Google Scholar
Neiswander, C. R. and Triplehorn, C. A.. 1961. Differential resistance of dent corn strains to the leaf aphid, Rhopalosiphum maidis (Fitch), in Ohio. Res. Bull. Ohio agric. Exp. Stn 898.Google Scholar
Painter, R. H. 1951. Insect resistance in crop plants. The Macmillan Co., New York.CrossRefGoogle Scholar
Robins, J. S. and Domingo, C. E.. 1953. Some effects of severe soil moisture deficits at specific growth stages in corn. Agron. J. 45: 618–621.CrossRefGoogle Scholar
Runge, E. C. A. 1968. Effects of rainfall and temperature interactions during the growing season on corn. Agron. J. 60: 503–507.CrossRefGoogle Scholar
Seal, W. L. 1964. Highlights of insect conditions in the United States in 1963. Pl. Prot. Bull. F.A.O. 12: 25–36.Google Scholar
Snelling, R. O., Blanchard, R. A., and Bigger, J. H.. 1940. Resistance of corn strains to the leaf aphid, Aphis maidis Fitch. J. Am. Soc. Agron. 32: 371–381.CrossRefGoogle Scholar
Stevenson, K. R., Hunter, R. B., Daynard, T. B., and Jones, G. E.. 1970. Corn production in Ontario. Ont. Dep. Agric. Fd Publ. 13.Google Scholar
Triplehorn, C. A. 1958. The corn leaf aphid in Ohio. Proc. N. cent. Brch ent. Soc. Am. 13: 18–19.Google Scholar
Triplehorn, C. A. 1959. The possible effect of weather on incidence of corn leaf aphid infestation and damage. Proc. N. cent. Brch ent. Soc. Am. 14: 28–29.Google Scholar
Triplehorn, C. A. 1960. Corn leaf aphid — ecology, life history and control. Proc. N. cent. Brch ent. Soc. Am. 15: 97–98.Google Scholar
Wressell, H. B. 1962. Control of insects in corn in Eastern Canada. Can. Dep. Agric. Publ. 945.Google Scholar