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An Improved Saratoga Spittlebug Nymphal Appraisal Survey

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Abstract:

The traditional Saratoga spittlebug nymphal appraisal survey was made more accurate and more efficient by: (1) restricting the time for sampling; (2) sampling only high risk acreage stands; (3) tallying the nymphs by using percentage of sample-frames infested; and (4) providing a broader range of decision options for the forest manager. The new survey reduced sampling time by one-third to one-half that of the traditional method. North. J. Appl. For. 7:83-86, June 1990.

Document Type: Journal Article

Affiliations: USDA Forest Service, North Central Forest Experiment Station, 1407 South Harrison Road, East Lansing, MI 48823

Publication date: 1990-06-01

More about this publication?
  • Each regional journal of applied forestry focuses on research, practice, and techniques targeted to foresters and allied professionals in specific regions of the United States and Canada. The Northern Journal of Applied Forestry covers northeastern, midwestern, and boreal forests in the United States and Canada.
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