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Nursery conifer diseases : evaluation of Benomyl to control root disease of Engelmann spruce seedlings

Creator:: Williams, Ralph E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: The benomyl fungicide, rersan, applied at 7 and 14 pounds active ingredient per acre, on April 26 and July 25, 1973, was ineffective in reducing mortality in 2-0 Engelmann spruce seedlings derived from two different seed sources growing in three different nursery sections at the USFS Coeur d'Alene Nursery. Percent...
Resource Type:: Technical Report
Full Text:: 41% • 6 10 4,4, 4i) (REPORT NO. 75-15 • evaluation of Benomyl to control root disease of

Effects of spring applications of dazomet on root diseases and performance of Douglas-fir and western white pine transplants, USDA Forest Service Nursery, Coeur d'Alene, Idaho

Creator:: James, Robert L., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Abstract:: Tests were conducted at the USDA Forest Service Nursery, Coeur d'Alene, Idaho to evaluate effectiveness of spring fumigation with dazomet to improve survival and performance of Douglas-fir and western white pine transplants. Spring fumigation greatly reduced populations of potentially pathogenic Fusarium and Pythium spp. Disease levels of container (plug+1) and...
Resource Type:: Technical Report
Full Text:: and Pythium spp. Disease levels of container (plug+1) and bare root (2+1) • Douglas-fir transplants

Controlling root weevils in commercial strawberries, caneberries, and blueberries

Creator:: Oregon State University. Extension Service, Fisher, Glenn C., and Rosenstiel, Robert G. (Robert George), 1910-1985
Abstract:: Published September 1984. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: registered for root weevil control in strawberries. It will kill both adult weevils and larvae in the soil

Monitoring root disease mortality : establishment report

Creator:: Hagle, Susan K. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Two thousand and thirty-nine trees on 213 plots are being monitored yearly for root disease infection and mortality. Three compartments on the Fernan Ranger District of the Idaho Panhandle National Forests are the site of the project. Relationships between factors such as species, aspect, slope, elevation, habitat type, stand appearance...
Resource Type:: Technical Report
Full Text:: yearly for root disease infection and mortality. Three compartments on the Fernan Ranger District of the

Incidence of root pathogens on Douglas-fir within the Reuben's Reserve, Nez Perce Indian Reservation, Idaho

Creator:: James, Robert L. and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: Root diseases were evaluated on the Reuben's Reserve, Nez Perce Indian Reservation, Idaho. Nineteen trees adjacent to two suspected root disease centers were pushed with a D-6 tractor to expose their root systems. Extent of root necrosis and decay was determined and related to level of crown thinning, chlorosis, and...
Resource Type:: Technical Report
Full Text:: . Insects likely attack trees sufficiently weakened by root disease. Fungi causing blue and black staining

Conifer root diseases on the Kootenai National Forest, Montana

Creator:: James, Robert L., Stewart, C. A., and United States. Forest Service. Northern Region. Cooperative Forestry & Pest Management
Abstract:: A survey for incidence and distribution of root diseases was conducted on the Kootenai National Forest using timber inventory subcompartments as primary sample units. Root diseases were located within 23 of 75 sampled subcompartments. At least 1.1 percent of the commercial forest lands within the Forest are infested with root...
Resource Type:: Technical Report
Full Text:: . Ser. Pest Leaflet 67. 4 pp. James, R. L. and C. A. Stewart. 1981. Root disease survey on the Nezperce

Evaluation of root diseases of containerized conifer seedlings at the Champion Timberlands Nursery, Plains, Montana

Creator:: James, Robert L., Gilligan, Carma J., Reedy, V., and United States. Forest Service. Northern Region
Abstract:: Investigations of containerized conifer seedling root diseases at the Champion Timberlands Nursery revealed that Fusarium oxysporum was most commonly isolated from seed, seedling roots, and styroblock containers. Amount of seed infection varied widely among the seedlots tested, but was usually below 5 percent. Runningwater rinses did not reduce amounts of...
Resource Type:: Technical Report
Full Text:: . Five seedlings of each species displayed typical root disease symptoms including foliar chlorosis and

Strawberry root-rot and a plan of crop rotation for its control

Creator:: Oregon State College. Agricultural Experiment Station, Oregon State College. Department of Horticulture, Oregon State College. Department of Plant Pathology, and Oregon State College. Department of Soils
Abstract:: Published October 1946. Facts and recommendations in this publication may no longer be valid. Please look for up-to-date information in the OSU Extension Catalog: http://extension.oregonstate.edu/catalog
Resource Type:: Technical Report
Full Text:: again be put into strawberries. Dispersion of The disease and pest problems in strawberries tend to

Root rot of sweet corn in western Oregon

Creator:: Oregon State University. Extension Service, Hoinacki, Beth, Powelson, Mary L., and Ludy, Robin
Abstract:: In the past decade, Oregon produced on average 344,000 tons of sweet corn for processing on 43,000 acres annually, which ranked the state fourth nationally. Most Oregon sweet corn is grown in the Willamette Valley where, along with green beans, it is a mainstay of the processed vegetable industry. However,...
Resource Type:: Technical Report
Full Text:: causal agents and disease cycle of root rot of sweet corn in the Willamette Valley. Causal agents of

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:: . Trees outside the disease control strips were examined for symptoms of decline and signs of root disease

ScholarsArchive@OSU

Nursery conifer diseases : evaluation of Benomyl to control root disease of Engelmann spruce seedlings

Effects of spring applications of dazomet on root diseases and performance of Douglas-fir and western white pine transplants, USDA Forest Service Nursery, Coeur d'Alene, Idaho

Controlling root weevils in commercial strawberries, caneberries, and blueberries

Monitoring root disease mortality : establishment report

Incidence of root pathogens on Douglas-fir within the Reuben's Reserve, Nez Perce Indian Reservation, Idaho

Conifer root diseases on the Kootenai National Forest, Montana

Evaluation of root diseases of containerized conifer seedlings at the Champion Timberlands Nursery, Plains, Montana

Strawberry root-rot and a plan of crop rotation for its control

Root rot of sweet corn in western Oregon

Evaluation of root disease control in the Saint Mary's logging unit, Flathead Reservation, Montana

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