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Research ArticleArticles

A Comparison of Arborists’ and Horticulturists’ Preferences of Tsuga chinensis to T. canadensis in the Urban Landscape

Jason E.E. Dampier, Richard W. Harper, Lora Schwartzberg and R. Harvey Lemelin
Arboriculture & Urban Forestry (AUF) January 2015, 41 (1) 41-48; DOI: https://doi.org/10.48044/jauf.2015.005
Jason E.E. Dampier
Jason E.E. Dampier, University of Wisconsin – Extension, Green Lake County, 571 County Rd., A, Green Lake, Wisconsin, 54941, U.S.
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Richard W. Harper
Richard W. Harper (corresponding author), Department of Environmental Conservation, University of Massachusetts, 160 Holdsworth Way, Amherst, Massachusetts 01003-9285, U.S.,
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  • For correspondence: [email protected]
Lora Schwartzberg
Lora Schwartzberg, 102 Wood End Court, Tafton, Pennsylvania, 18464, U.S.
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R. Harvey Lemelin
R. Harvey Lemelin, School of Outdoor Recreation, Parks and Recreation, Lakehead University, 955 Oliver Road, Thunder Bay, Ontario, P7B 5E1, Canada
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Article Figures & Data

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  • Figure 1a.
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    Figure 1a.

    Open-grown mature and immature samples used in this study (potted left of mature specimen). Pictured here: Chinese hemlock (Tsuga chinensis).

  • Figure 1b.
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    Figure 1b.

    Open-grown mature and immature samples used in this study (potted left of mature specimen). Pictured here: Eastern hemlock (Tsuga canadensis).

Tables

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    Table 1.

    Participant backgrounds, versus questions related to plant origin preference, purchase preference, and ability to detect specimen differences.

    What is your background?
    ArboristOtherTotal
    Which specimen would you be more likely to purchase?T. chinensis21%28%49%
    T. canadensis17%34%51%
    Total38%62%100%
    P-valuedf = 10.566z0.339y
    Overall, would you agree or disagree that these two specimens are the same?Agree12%16%28%
    Disagree25%47%72%
    Total37%63%100%
    P-valuedf = 10.748z0.422y
    Would you be more or less inclined to purchase one of these specimens if it were naturally resistant?More inclined27%52%79%
    Less inclined4%17%21%
    Total31%69%100%
    P-valuedf = 10.472z0.325y
    Would you be more or less inclined to purchase one of these specimens if it required fewer insecticides?More inclined31%49%80%
    Less inclined2%18%20%
    Total33%67%100%
    P-valuedf = 10.135z0.086y
    • ↵z Fisher’s Exact Test, exact significance, (2-sided).

    • ↵y Fisher’s Exact Test, exact significance, (1-sided).

    • View popup
    Table 2.

    Participant ability to detect specimen difference, versus questions related to plant purchase preferences related to insect plant resistance, and few insecticide requirements.

    Overall, would you agree or disagree that these two specimens are the same?
    AgreeDisagreeTotal
    Would you be more or less inclined to purchase one of these specimens if it were naturally resistant?More inclined29%51%80%
    Less inclined2%18%20%
    Total31%69%100%
    P-valuedf = 10.236z0.147y
    Would you be more or less inclined to purchase one of these specimens if it required fewer insecticides?More inclined28%52%80%
    Less inclined2%18%20%
    Total30%70%100%
    P-valuedf = 10.240z0.159y
    • ↵z Fisher’s Exact Test, exact significance, (2-sided).

    • ↵y Fisher’s Exact Test, exact significance, (1-sided).

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Arboriculture & Urban Forestry (AUF): 41 (1)
Arboriculture & Urban Forestry (AUF)
Vol. 41, Issue 1
January 2015
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A Comparison of Arborists’ and Horticulturists’ Preferences of Tsuga chinensis to T. canadensis in the Urban Landscape
Jason E.E. Dampier, Richard W. Harper, Lora Schwartzberg, R. Harvey Lemelin
Arboriculture & Urban Forestry (AUF) Jan 2015, 41 (1) 41-48; DOI: 10.48044/jauf.2015.005

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A Comparison of Arborists’ and Horticulturists’ Preferences of Tsuga chinensis to T. canadensis in the Urban Landscape
Jason E.E. Dampier, Richard W. Harper, Lora Schwartzberg, R. Harvey Lemelin
Arboriculture & Urban Forestry (AUF) Jan 2015, 41 (1) 41-48; DOI: 10.48044/jauf.2015.005
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Keywords

  • Adelges tsugae
  • arborist
  • Chinese Hemlock
  • Eastern Hemlock
  • hemlock woolly adelgid
  • Horticulturist
  • Invasive Species
  • Participant Perceptions
  • survey
  • Tsuga canadensis
  • Tsuga chinensis

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