Survival and sanitation of dwarf mistletoe-infected ponderosa pine following prescribed underburning
Document Type: Journal Article
Author(s): D. A. Conklin; B. W. Geils
Publication Year: 2008

Cataloging Information

  • Arceuthobium
  • Arceuthobium
  • Arceuthobium americanum
  • char
  • coniferous forests
  • crown scorch
  • distribution
  • droughts
  • dwarf mistletoe
  • fire exclusion
  • fire injuries (plants)
  • fire intensity
  • fire management
  • fire scar analysis
  • fire size
  • forest management
  • fuel models
  • low intensity burns
  • Mexico
  • mortality
  • New Mexico
  • pine
  • Pinus ponderosa
  • Pinus ponderosa
  • plant diseases
  • ponderosa pine
  • population density
  • post fire recovery
  • scorch
  • second growth forests
  • site treatments
  • thinning
  • trees
Record Maintained By:
Record Last Modified: June 11, 2019
FRAMES Record Number: 47542
Tall Timbers Record Number: 23506
TTRS Location Status: In-file
TTRS Call Number: Fire File
TTRS Abstract Status: Fair use, Okay, Reproduced by permission

This bibliographic record was either created or modified by the Tall Timbers Research Station and Land Conservancy and is provided without charge to promote research and education in Fire Ecology. The E.V. Komarek Fire Ecology Database is the intellectual property of the Tall Timbers Research Station and Land Conservancy.


We present results on survival of ponderosa pine and reduction in dwarf mistletoe (Arceuthobium) infection after six operational prescribed underburns in New Mexico. Survival 3 years postburn for 1,585 trees fit a logistic relationship with crown scorch, bole char, and mistletoe. The scorch effect was best represented by classes as <90, 90, and 100%; char as char-squared; and mistletoe as DMR < 5, 5, and 6. Survival ranged from over 90% for trees with DMR < 5 and scorch < 90% to almost 0% for trees with DMR 6 and scorch 100%. The proportion of surviving infected trees with reduction in DMR (scorch pruning) increased linearly with scorch. Reductions in average DMR (sanitation) from mortality and scorch pruning were observed on 12 of 14 plots and were associated with average scorch above 25%. A sanitation model estimated DMR reduction of 0.7 with 50% average scorch and initial average DMR of 3.0. Relative risk from scorch, char, mistletoe, and drought for up to 10 years postburn was assessed with proportional hazard models. Results indicate that underburning can be a viable tool to manage dwarf mistletoe, given sufficient fire intensity.

Conklin, D. A., and B. W. Geils. 2008. Survival and sanitation of dwarf mistletoe-infected ponderosa pine following prescribed underburning. Western Journal of Applied Forestry, v. 23, no. 4, p. 216-222.