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Use of Soil and Trunk Injection of Systemic Insecticides to Control Lace Bug on Hawthorn

Stanton Gill, David K. Jefferson, Rondalyn M. Reeser and Michael J. Raupp
Arboriculture & Urban Forestry (AUF) January 1999, 25 (1) 38-42; DOI: https://doi.org/10.48044/jauf.1999.006

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  • Table 1.

    Hawthorn lace bug control treatments, rates, and methods of application.

    TreatmentAmount of materialMethod of applicationInjection holes, number and depth
    Merit 75 WP30 mLSoil injection, 15 cm deep in root zone6 injection holes in root zone
    Greyhound 1.9% (abamectin 1.9%, Bl)1 mLInjected into trunk flair 5 cm from soil level2 injection holes with WedgeChek plugs
    Pointer (imidacloprid 4%)1 mLInjected into trunk Pair 5 cm from soil level2 injection holes with WedgeChek plugs
    Controluntreated
  • Table 2.

    Percentage of leaf damage and number of lace bugs after treatment

    TreatmentPercentage of leaves damagedNumber of lace bugs
    Merit0.0±0.00.0±0.0
    Greyhound0.0±0.00.0±0.0
    Pointer0.0±0.00.0±0.0
    Control16.33 ±4.91409.67 ± 102.41
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Use of Soil and Trunk Injection of Systemic Insecticides to Control Lace Bug on Hawthorn
Stanton Gill, David K. Jefferson, Rondalyn M. Reeser, Michael J. Raupp
Arboriculture & Urban Forestry (AUF) Jan 1999, 25 (1) 38-42; DOI: 10.48044/jauf.1999.006
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