Insecticides against tuber flea beetle on potatoes in British Columbia (Chrysomelidae: Coleoptera)

Authors

  • D. G. Finlayson Research Station Canada Agriculture Vancouver, B.C.
  • M. J. Brown Research Station Canada Agriculture Vancouver, B.C.
  • C. J. Campbell Research Station Canada Agriculture Vancouver, B.C.
  • A. T. S. Wilkinson Research Station Canada Agriculture Vancouver, B.C.
  • I. H. Williams Research Station Canada Agriculture Vancouver, B.C.

Keywords:

Chrysomelidae, Coleoptera, tuber flea beetle, potatoes

Abstract

To protect potatoes from damage by larvae of the tuber flea beetle, <i>Epitrix tuberis</i> Gent., in silt and sandy clay loam soils, carbofuran (Furadan), fensulfothion (Dasanit), and fonofos (Dyfonate) were applied as 12-inch band or broadcast treatments, rotovated to a depth of 4 inches and rows of potatoes planted in the treated areas. Three supplementary drenches were applied at about 2-week intervals to include the emergence period of the second generation adults. In silt loam the untreated and fonofos band-treated plots produced 31 and 40% marketable tubers, respectively, against 92 to 100% for the other treatments. In sandy loam the comparable figures were 0.5 and 4.5% against 10 to 97%. Residues in the tubers ranged from none detected in fonofos treatments to 0.23 ppm of fensufothion and its sulfone in potatoes from the band treatment.

References

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Banham F.L. 1967. Control experiments using soil-incorporated insecticides. Ibid.1:221-122.

Banham, F.L. 1968. Field trials of soil-incorporated insecticides against the tuber flea beetle. Ibid. 126-127.

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Published

2019-08-28

Issue

Vol. 69 (1972): Journal of the Entomological Society of British Columbia

Section

Articles

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