Forest Practices Code, Province of B.C.

Ministry of Forests HomepageGovernment of British Columbia Homepage

This Forest Practices Code Guidebook is presented for information only

It is not cited in regulation. The Forest and Range Practices Act and its regulations took effect on Jan. 31, 2004. This replaced the Forest Practices Code of British Columbia Act and regulations. For further information please see the Forest and Range Practices Act.

Dwarf Mistletoe Management Guidebook

July 1995

Forest Practices Code of British Columbia Act

Operational Planning Regulation

Silviculture Practices Regulation

If you have any questions about any of the information presented in this Guidebook, please contact:

Cariboo Forest Region, Williams Lake - 398-4345
Kamloops Forest Region, Kamloops - 828-4131
Nelson Forest Region, Nelson - 354-6200
Prince George Forest Region, Prince George - 565-6100
Prince Rupert Forest Region, Smithers - 847-7500
Vancouver Forest Region, Nanaimo - 751-7001

Table of Contents


Distribution of dwarf mistletoes

Hosts and symptoms

Dwarf mistletoes and stand dynamics

Dwarf mistletoe biology and behavior
Natural stands and dwarf mistletoe
Managed stands and dwarf mistletoe
Clearcut harvesting
Partial cut harvesting
Pre-commercial and commercial thinning

Management of dwarf mistletoes

High hazard biogeoclimatic units for dwarf mistletoe
Detection surveys
Silviculture prescription walkthroughs
Stand management assessments
Dwarf mistletoe infection rating
Management and treatment considerations
Other resource management considerations

Free growing guidelines

Free growing criteria and assessment
Assessing strata managed for timber production
Assessing strata not treated for dwarf mistletoe due to other resource management objectives
Assessing strata identified as not requiring treatment
Assessing strata not identified as infected



List of figures

  1. Lodgepole pine dwarf mistletoe (Arceuthobium americanum)
  2. Western hemlock dwarf mistletoe (Arceuthobium tsugense)
  3. Western larch dwarf mistletoe (Arceuthobium laricis)
  4. Douglas-fir dwarf mistletoe (Arceuthobium douglasii)
  5. The Hawksworth six-class dwarf mistletoe rating system

List of tables

  1. Important dwarf mistletoes and host tree species in British Columbia
  2. Biogeoclimatic units with high hazard of dwarf mistletoe damage
  3. Management options for dwarf mistletoes in silvicultural systems

[Return to top of document]