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Filtering by: Publisher Missoula, MT : Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry Remove constraint Publisher: Missoula, MT : Forest Environmental Protection, USDA, Forest Service, Northern Region, State & Private Forestry

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Evaluation of proposed dwarf mistletoe and western spruce budworm management projects, Cramer Creek, Garnet Resource Area, Bureau of Land Management

Creator:

Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report

Full Text:

SERVICE • NORTHERN REGION State & Private Forestry • Missoula, MT 59801 Report No. 76-15 5200 December
Guidelines for dwarf mistletoe control in lodgepole pine in the Northern and Central Rocky Mountains

Creator:

Dooling, Oscar J., Brown, Doland H., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

The lodgepole pine type commonly occurs as an even-aged, singlestoried, and overstocked forest. Dwarf mistletoe is widespread throughout the type and causes growth and quality reduction, reduced seed production, and some direct mortality. The land manager has three alternatives where dwarf mistletoe occurs: (1) do nothing, (2) eradicate the stand,...

Resource Type:

Technical Report

Full Text:

• FOREST ENVIRONMENTAL PROTECTION USDA • FOREST SERVICE • NORTHERN
Status of bark beetle populations in windthrow Flathead National Forest, Montana, 1976

Creator:

McGregor, Mark D., Hamel, Dennis R., Oakes, Robert D., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Windthrow occurred during late April on the Glacier View, Hungry Horse, Spotted Bear, and Swan Lake Ranger Districts, Flathead National Forest. An evaluation to determine potential for development of spruce beetle and Douglas-fir beetle outbreaks was made during late June and early July. All areas examined were classed as having...

Resource Type:

Technical Report

Full Text:

ENVIRONMENT, PROTECTION USDA • FOREST SERVICE • NORTHERN REGION State & Private Forestry • Missoula, MT 59801
Dipel wettable powder (Bacillus thuringiensis Berliner) as a control agent for western spruce budworm Choristoneura occidentalis Free

Creator:

McGregor, Mark D., Hamel, Dennis R., Lood, Rudolph C., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Dipel (R) was applied by helicopter to three blocks of Douglas fir and Engelmann spruce infested with Choristoneura occidentalis Free., in southwestern Montana. Dosage was 1 pound (7.2 Bill) in 2 gallons of water/acre (453 g in 7.5 t/0.4 ha). A commercial surfactant, Bio-film (R) was added at the rate...

Resource Type:

Technical Report

Full Text:

PROTECTION USDA • FOREST SERVICE • NORTHERN REGION • State & Private Forestry • Missoula, MT 59801
Potential for defoliation by western spruce budworm in Douglas-fir stands in Montana, 1976

Creator:

Tunnock, Scott, Flavell, Thomas H., Meyer, Hubert E., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Aerial surveys of six Montana National Forests in 1975 found a 22.1% increase in the area of visible defoliation caused by the western spruce budworm. It is estimated that 2,278,804 acres of Douglas-fir forests are now suffering at least 25% defoliation. This is an increase of 503,706 acres over the...

Resource Type:

Technical Report

Full Text:

• NORTHERN REGION 0 State & Private Forestry • Missoula, MT 59801 131Nn Report No. 76-4 5200 March 1976
Harvesting strategies for management of mountain pine beetle infestations in lodgepole pine, Montana : progress report

Creator:

Hamel, Dennis R., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report

Full Text:

SERVICE • NORTHERN REGION State & Private Forestry • Missoula, MT 59801 5200 Report No. 76-3 March
Lodgepole pine needle cast in the lower Clark Fork River drainage

Creator:

Williams, Ralph E. and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

The pine needle cast fungus, Lophodermella concolor, caused severe discoloration and subsequent defoliation of lodgepole pine on over 4,000 acres and light defoliation on over 4,500 acres of lodgepole pine in the lower Clark Fork River drainage in 1975. Some trees had lost the last 3 years' growth of needles,...

Resource Type:

Technical Report

Full Text:

16PROTECTION USDA • FOREST SERVICE • NORTHERN REGION State & Private Forestry Missoula, MT 59801 ROA Report
Observations of impact on the Nezperce National Forest caused by the Douglas-fir tussock moth

Creator:

Bousfield, Wayne E., Ward, James D., and United States. Forest Service. Northern Region. State & Private Forestry

Resource Type:

Technical Report

Full Text:

• NORTHERN REGION State & Private Forestry • Missoula, MT 59801 Report No. 76-9 5200 April 1976
Natural mortality in a Douglas-fir tussock moth infestation in Idaho, 1974

Creator:

Tunnock, Scott, McGregor, Mark D., Lood, Rudolph C., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Mortality from various causes was recorded in a Douglas-fir tussock moth, Orgyia pseudotsugata McD., outbreak southeast of Coeur d'Alene, Idaho, in 1974. Observations began June 27 when about 50 percent of the larvae were second instars and continued until pupation. Within a 35-day period, there was a 93 percent average...

Resource Type:

Technical Report

Full Text:

the fall of 1974. 1/ Entomologist, Forest Environmental Protection, State and Private Forestry, USDA
Biological notes on the emergence of mountain pine beetle and associates from lodgepole pine, Gallatin Ranger District, Gallatin National Forest, Montana, 1975

Creator:

Hamel, Dennis R., McGregor, Mark D., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Emerged beetles were first collected July 17 and peak emergence occurred between August 10 and 26, 1975. Density of attacks averaged four per 0.5 ft. 2 (0.05 m2). Parent to brood ratio was 1:4.6. Thirteen associate insects, representing six families of Coleoptera and one of Diptera, were recovered. Associates included...

Resource Type:

Technical Report

Full Text:

National Forest, Montana. USDA For.Serv., Northern Region, State and Private Forestry, Missoula, Montana

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Creator

United States. Forest Service. Northern Region. State & Private Forestry31
Mcgregor, Mark D.12
Hamel, Dennis R.10
United States. Forest Service. Northern Region. Forest Environmental Protection5
Dooling, Oscar J.4
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Date

Date range begin – Date range end

Current results range from 1974 to 1976

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Decade

1970-197931

File Format

application/pdf31

Language

English [eng]31

Resource Type

Technical Report31

Rights Statement

Copyright Not Evaluated31

Subject

Lodgepole pine -- Diseases and pests -- Montana -- Gallatin National Forest3
Douglas fir -- Diseases and pests -- Flathead River Valley (B.C. and Mont)2
Geometridae -- Flathead River Valley (B.C. and Mont)2
Lodgepole pine -- Diseases and pests -- Yellowstone National Park2
Mountain pine beetle -- Control -- Montana -- Gallatin National Forest2
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