Spruce Budworms Handbook: shigometry – a reference guide

Alex L. Shigo; Walter Shortle

Treesearch

Spruce Budworms Handbook: shigometry – a reference guide

Informally Refereed

Authors:

Alex L. Shigo, Walter Shortle

Year:

1985

Type:

Agricultural Handbook

Station:

Northern Research Station

Source:

Agric. Handb. 646. Washington, DC: U.S. Department of Agriculture, Forest Service, Cooperative State Research Service. 48 p.

Download (PDF 20.33 MB)

Download (PDF 20.33 MB): https://research.fs.usda.gov/download/treesearch/55343.pdf

Abstract

This guide explains how to test the condition of living trees or wood products by use of the Shigometer and gives instructions for its use. The guide is in three parts: (1) An introduction on operating principles and applications, (2) an example of the procedure, and (3) a photo guide that gives details on the procedure and background information needed to use it.

Citation

Shigo, Alex L.; Shortle, Walter C. 1985. Spruce Budworms Handbook: shigometry – a reference guide. Agric. Handb. 646. Washington, DC: U.S. Department of Agriculture, Forest Service, Cooperative State Research Service. 48 p.