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Filtering by: Subject Hops -- Diseases and pests Remove constraint Subject: Hops -- Diseases and pests Subject Report (United States. Forest Service. Northern Region. Forest Pest Management) Remove constraint Subject: Report (United States. Forest Service. Northern Region. Forest Pest Management)

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Pathogenicity of Alternaria alternata on young Douglas-fir and Engelmann spruce germlings

Creator:

James, Robert L., Woo, John You, and United States. Forest Service. Northern Region

Resource Type:

Technical Report

Full Text:

Region, Cooperative Forestry and Pest Management, Missoula, MT. 2/ Retired, USDA Forest Service
Needlecasts of Scots pine Christmas trees in western Montana

Creator:

Hagle, Susan K., Kissinger, Willard A., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Needlecast fungi were found on 95 percent of damage collections in a June survey of Scots pine (Pinus sylvestris) Christmas tree plantations in the Kalispell Basin western Montana. Western gall rust (Endocronartium harknessii) and pine bark aphids (Pineus sp.) were present on 6.6 and 2.5 percent of collections, respectively. Cylcaneusma...

Resource Type:

Technical Report

Full Text:

trees were cut and burned in an effort to control the disease. Lophodermium seditiosum has caused
Mountain pine beetle status report, Northern Region, 1986

Creator:

Gibson, Kenneth E., Oakes, Robert D., and United States. Forest Service. Northern Region

Resource Type:

Technical Report

Full Text:

. For. & Pest Mgt. Rept. 85-25. 57 pp. • • Tunnock, S., M. D. McGregor, R. D. Oakes, and H. E. Meyer
Mountain pine beetle infestations in the northern region during 1985

Creator:

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

Resource Type:

Technical Report

Full Text:

1985 • • • • by Scott Tunnock Entomologist Cooperative Forestry and Pest Management Missoula
Growth impact, spread, and intensification of dwarf mistletoe in Douglas-fir and lodgepole pine in Montana

Creator:

Dooling, Oscar J., Johnson, Ralph R., Eder, Robert G., and United States. Forest Service. Northern Region

Abstract:

A permanent study was established in 1970 and 1971 to measure the impact, spread, and intensification of dwarf mistletoe on precommercially thinned Douglas-fir and lodgepole pine in Montana. Mean diameter growth on all plots was reduced 21 percent in Douglas-fir, but the reduction is only significant at the 0.15 level....

Resource Type:

Technical Report

Full Text:

impact may increase as the stands mature. 1 Plant Pathologist, Cooperative Forestry and Pest Management
Insect and disease surveys of some Inland Empire Tree Improvement Cooperative test plantings

Creator:

Dooling, Oscar J., Gibson, Kenneth E., and United States. Forest Service. Northern Region

Abstract:

Potential problem pests found were Armillaria root disease, pocket gopher, western pine shoot borer, and white pine blister rust. Early detection of problem pests allows management actions to be taken if needed to prevent serious impacts. Unit managers should check the areas periodically and call on pest management specialists to...

Resource Type:

Technical Report

Full Text:

Forest Pest Management SDP/ 43 INSECT AND DISEASE SURVEYS41
Evaluation of root disease control in the Saint Mary's logging unit, Flathead Reservation, Montana

Creator:

Byler, James W., James, Robert L., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

Two methods attempting to stop marginal spread of a root disease center in Douglas-fir were evaluated within the Flathead Indian Reservation, Montana. The first method was to cut all living trees within a 1-chain strip outside the edge of the infestation. The second method was to uproot all trees for...

Resource Type:

Technical Report

Full Text:

the group on the ground, and recognized it as a root disease center. USDA-Forest Service plant
Root disease survey on the Nezperce National Forest, Idaho

Creator:

James, Robert L., Stewart, C. A., and United States. Forest Service. Northern Region. State & Private Forestry

Abstract:

An impact survey to determine extent and distribution of root disease centers was completed for the Nezperce National Forest, Idaho, in 1980. Lowlevel color infrared photography was used to delineate root disease centers within National Forest inventory subcompartments. Suspected root disease centers were ground checked to determine associated fungi and...

Resource Type:

Technical Report

Full Text:

Technician ABSTRACT An impact survey to determine extent and distribution of root disease cen- • ters was
Dwarf mistletoe loss assessment on the Flathead and Kootenai National Forests, Montana

Creator:

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

Resource Type:

Technical Report

Full Text:

Region Insect and Disease Report D-72-1. Hawksworth, F. G. 1977. The 6-class dwarf mistletoe rating
Root disease of containerized conifer seedlings, Western Forest Systems Nursery, Lewiston, Idaho

Creator:

James, Robert L., United States. Forest Service. Northern Region, and United States. Forest Pest Management

Abstract:

Investigations of containerized western white pine, western larch, and Douglas-fir seedlings at the Western Forest Systems Nursery in Lewiston, Idaho, revealed that many seedlings were colonized with Fusarium oxysporum although they lacked severe disease symptoms. White pine seedlings were also infected with Pythium spp., probably as a result of sowing...

Resource Type:

Technical Report

Full Text:

Forest Pest SD) LI- M • A- 3 Ina. gg -3 ROOT DISEASE OF

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Creator

United States. Forest Service. Northern Region33
James, Robert L.20
United States. Forest Service. Northern Region. State & Private Forestry15
Gibson, Kenneth E.9
Dooling, Oscar J.6
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Date

Date range begin – Date range end

Current results range from 1981 to 1988

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Decade

1980-198948

File Format

application/pdf48

Language

English [eng]48

Resource Type

Technical Report48

Rights Statement

Copyright Not Evaluated48

Subject

Report (United States. Forest Service. Northern Region. Forest Pest Management)[remove]48
Conifers -- Diseases and pests -- Idaho4
Mountain pine beetle -- Montana4
Conifers -- Diseases and pests -- Montana3
Douglas fir -- Diseases and pests3
more Subjects »

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