J. For. Sci., 2004, 50(6):284-291 | DOI: 10.17221/4625-JFS

Logistic regression approach to the prediction of tree defoliation caused by sawflies (Hymenoptera: Symphyta)

J. Holuša, K. Drápela
Forestry and Game Management Research Institute, Jíloviště-Strnady, Czech Republic
1 Faculty of Forestry and Wood Technology, Mendel University of Agriculture and
2 Forestry, Brno, Czech Republic

A relationship between the abundance of phytophagous insects assessed from soil samples (in the case of Cephalcia lariciphila) or yellow sticky boards (in the case of T. nigritus) and percentage of defoliated trees was characterised by logistic regression.

Keywords: Cephalcia lariciphila; soil samples; Tomostethus nigritus; yellow sticky boards; tree defoliation; logistic regression

Published: June 30, 2004  Show citation

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Holuša J, Drápela K. Logistic regression approach to the prediction of tree defoliation caused by sawflies (Hymenoptera: Symphyta). J. For. Sci. 2004;50(6):284-291. doi: 10.17221/4625-JFS.
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