Forest Practices Code, Province of B.C.

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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.

Pine Stem Rust Management Guidebook

June 1996


Authority

Forest Practices Code of British Columbia Act
Operational Planning Regulation
Silviculture Practices Regulation

Table of Contents

Introduction

Distribution, host susceptibility, and symptomology

Rust behavior and stand dynamics

Hard pine stem rusts
White pine blister rust

Management of hard pine stem rusts

Hard pine stem rust management process
Landscape level hazard and risk assessment
Prescription walkthrough
Disease assessment and stratification
Future stand risk assessment
Evaluation and final prescription
Disease assessment and stratification survey methods
Silviculture survey for hard pine stem rusts
Evaluation and final prescription
Threshold levels for prescriptions
Minimum treatment levels
Treatment methods for hard pine stem rusts
Treatment methods for silviculture prescriptions
Treatment methods for stand management prescriptions

Management of white pine blister rust

White pine blister rust management process
Prescription walkthrough
Disease assessment and evaluation
Surveys for white pine blister rust
Treatment methods for white pine blister rust
Branch pruning
Use of resistant seed
Canker excising

Free growing guidelines

Free growing damage standards
Free growing criteria and assessment
Assessment of strata treated under a silviculture prescription

References

Glossary

Appendices

  1. Stem rust hazard and risk by forest region
  2. Multipest tally sheet
  3. Guidelines for pruning white pine

List of figures

  1. Western gall rust may result in stem breakage
  2. The orange spores found in comandra blister rust cankers dramatically increase its detectability in late spring
  3. Comandra blister rust is difficult to detect in the summer
  4. Alternate host of comandra blister rust, bastard toad-flax
  5. Stalactiform branch infection
  6. Squirrels commonly feed on bark infected by stem rusts
  7. Sweet fern blister rust canker on lodgepole pine sapling
  8. White pine blister rust on white pine showing stem canker and flagging of infected branch
  9. Diagram of hard pine stem rusts management process

List of tables

  1. Pine stem rusts: distribution, alternate hosts, and host susceptibility
  2. Signs of the pine stem rusts of B.C.
  3. Disease incidence and treatment levels by activity
  4. Free growing damage standards for pine stem rusts in British Columbia

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