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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
Full Text:: A3 no 73-5 IN 4 ASH WINDBREAK PLANTINGS IN NORTH DAKOTA 0 0 • 0 0 0 U. S. DEPARTMENT OF

Cankers in North Dakota windbreak plantings : survey and evaluation

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A survey to determine distribution and intensity of cankers and associated damage in North Dakota windbreak plantings of Russian-olive and Siberian elm was conducted in 1972. Four hundred and thirty-five (76 percent) of 574 Russian-olive examined had cankers, and 552 (72 percent) of 769 Siberian elm examined had cankers. Cankers...
Resource Type:: Technical Report
Full Text:: Dakota State University; and C. E. Carlson, USDA Forest Service, Missoula, Montana. • • S S

Evaluation of a forest tent caterpillar infestation south of Devil's Lake, North Dakota

Creator:: Tunnock, Scott and USDA Forest Service. Northern Region
Abstract:: In 1971, about 2,000 acres (Figure 1) of mixed hardwoods were infested by the forest tent caterpillar, Malacosoma disstria Hubner, on the Totten Indian Reservation south of Devil's Lake, North Dakota. An aerial and ground survey of this area was made on June 15, 1972. Defoliation could not be detected...
Resource Type:: Technical Report
Full Text:: LAKE, NORTH DAKOTA by Scott Tunnock, Entomologist Forest Insect and Disease Branch In 1971, about

Survey of insect and disease conditions in forests and shelterbelts, North Dakota, 1977

Creator:: Flavell, Thomas H., Tunnock, Scott, Drake, L. E., and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Aerial and ground surveys to detect and evaluate forest insect and disease conditions in North Dakota were made during June 1977 by personnel from the U.S. Forest Service, Forest Insect and Disease Management staff and the Rocky Mountain Forest and Range Experiment Station. A forest tent caterpillar outbreak in the...
Resource Type:: Technical Report
Full Text:: NORTH DAKOTA 1977 by T. H. Flavell, S. Tunnock, and L. E. Drake ABSTRACT Aerial and ground surveys

A summary of the status of biological control of major noxious weed species in Idaho, Montana, and North Dakota

Creator:: Monnig, Edward C. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Resource Type:: Technical Report
Full Text:: MAJOR NOZIOUS WEED SPECIES IN IDAHO, MONTANA, AND NORTH DAKOTA • • • Edward Monnig USDA Forest

Effects of water rinse treatments on occurrence of fungi on spruce seed from the Towner Nursery, North Dakota

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Resource Type:: Technical Report
Full Text:: -"Ar7c!.,:c nINDER Oci A5 Forest Pestnois • Management• Report 87-5 3450 March 1987

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
Full Text:: .",\\oP ,cst? e...%,,,t.., f',' it, 7-').. e rt.,..rA.: tr. :3 45 ' -- ,L`7t' D3 crp c,2 & J.74

Potential defoliation by the forest tent caterpillar in the Turtle Mountains, North Dakota during 1979

Creator:: Tunnock, Scott, Hard, John S., Karch, Tom, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The forest tent caterpillar, Malacosoma disstria Hbn., began defoliating trembling aspen stands, Populus tremuloides Michx., in 1976 in the Turtle Mountains of North Dakota. Heavy defoliation was scattered through about 150,000 acres in 1978. Pupal mortality from parasites and disease was almost 100 percent in cocoons on understory shrubs and...
Resource Type:: Technical Report
Full Text:: December 1978 POTENTIAL DEFOLIATION BY THE FOREST TENT CATERPILLAR IN THE TURTLE MOUNTAINS, NORTH DAKOTA

Pathogenic Fusarium on spruce seed from the Towner Nursery, North Dakota

Creator:: James, Robert L. and United States. Forest Service. Northern Region
Abstract:: Five seedlots of Colorado blue spruce and three seedlots of Black Hills spruce were sampled for Fusarium contamination. All seedlots contained some seed and/or debris with Fusarium. Levels of contamination were greatly reduced by treating seed with running water rinses for 48 hours or with chemical sterilants such as sodium...
Resource Type:: Technical Report
Full Text:: DAKOTA • by R. L. James, Plant Pathologist • • MEE= Five seedlots of Colorado blue spruce and three

Test of English as a foreign language (TOEFL) : good indicator for student success at Community Colleges?

Creator:: Ng, Jacob N. K.
Abstract:: Community colleges in the United States have become an important educational destination for international students. According to the Institute of International Education (IIE, 2006), international students who enrolled for the first time at a U.S. campus increased by 8 per cent, from 131,946 students in 2004/2005 to 142,923 in 2005/2006....
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Jacob N. K. Ng for the degree of Doctor of Education in

ScholarsArchive@OSU

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

Cankers in North Dakota windbreak plantings : survey and evaluation

Evaluation of a forest tent caterpillar infestation south of Devil's Lake, North Dakota

Survey of insect and disease conditions in forests and shelterbelts, North Dakota, 1977

A summary of the status of biological control of major noxious weed species in Idaho, Montana, and North Dakota

Effects of water rinse treatments on occurrence of fungi on spruce seed from the Towner Nursery, North Dakota

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

Potential defoliation by the forest tent caterpillar in the Turtle Mountains, North Dakota during 1979

Pathogenic Fusarium on spruce seed from the Towner Nursery, North Dakota

Test of English as a foreign language (TOEFL) : good indicator for student success at Community Colleges?

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