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Filtering by: Resource Type Technical Report Subject Wood borers -- North Dakota

A survey to evaluate wood borers in green ash windbreaks in North Dakota

Creator:

Flavell, Thomas H., United States. Forest Service. Northern Region. Forest Insect and Disease Management, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Green ash windbreaks in North Dakota were surveyed in 1972 and 1976 to determine the incidence of attacks by the carpenterworm, ash borer, and other stem-infesting wood borers. Windbreaks were stratified by age and geographic region. In 1976, about 3.1 percent of the green ash trees in North Dakota had...

Resource Type:

Technical Report
Incidence of wood borer activity in green ash windbreak plantings in North Dakota

Creator:

Tunnock, Scott, Tagestad, Arden, and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

An evaluation was made during midsummer 1972 to measure damage by the carpenterworm, Prionoxystus robiniae, and the ash borer, Podosesia syringae, to green ash in windbreaks in North Dakota. Intensity of infestation was determined in four land resource areas and four age classes of windbreaks. Of the 96 windbreaks examined...

Resource Type:

Technical Report