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Insect enemies of forest reproduction

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Department of Agriculture
Abstract:: Reprint from Yearbook of Department of Agriculture for 1905.
Resource Type:: Journal
Full Text:: insects. The character of insect injuries to seeds, seedlings, and saplings is very much the same as that

Insects and ergot in Kentucky bluegrass seed production fields in the Pacific Northwest

Creator:: Butler, M. D. (Marvin D.) and Oregon State University. Extension Service
Abstract:: Published December 2004. 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:: beneficial preda- ceous and parasitic insects. Relatively few insect pests are associated with bluegrass seed

A three year evaluation of Douglas-fir cone and seed insects in Montana and Yellowstone National Park

Creator:: Dewey, Jerald E. and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: A 3-year evaluation of Douglas-fir cones in Montana and Yellowstone National Park, Wyoming, showed the western spruce budworm, Choristoneura occidentalis Freeman, and midges were the most common and injurious insects found each year. Injury was so severe at some plots that no sound seeds could be found.
Resource Type:: Technical Report
Full Text:: Evaluation of no.72-1 ;LAS-FIR CONE AND SEED INSECTS itana and Yellowstone National Park • I U. S

Ground application of dimethoate (Cygon) for the control of cone and seed destroying insects of Douglas-fir and grand fir

Creator:: Dewey, Jerald E., United States. Forest Service. Northern Region. Forest Environmental Protection, and United States. Forest Service. Northern Region. State & Private Forestry
Abstract:: Two concentrations of dimethoate were applied with a hydraulic ground sprayer to cone-bearing Douglas-fir and grand fir trees. Single application (mid-June) and a double application (mid-June and mid-July) were compared. Three of the four treatments applied to Douglas-fir resulted in a significantly higher number of sound seeds produced per cone...
Resource Type:: Technical Report
Full Text:: REPORT NO. 75-13 GROUND APPLICATION OF DIMETHOATE (CYGON) for the one and Seed ying Insects glas-fir

Insect pests of truck and garden crops, 1913

Creator:: Lovett, A. L. (Arthur Lester), 1885-1924 and Oregon Agricultural College. Extension Division
Abstract:: Published 1913. 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:: hibernation. Control Measures. The western potato flea beetle avoids sprayed foliage. This makes it an insect

Regional summary of forest insects and diseases, 1979

Creator:: Dooling, Oscar J. and United States. Forest Service. Northern Region. State & Private Forestry
Resource Type:: Technical Report
Full Text:: . Evaluations of casebearer parasites were not made. Cone and Seed Insects One seed orchard and 29 seed

Investigations of tree health at the Potlatch Corporation Cherrylane Seed Orchard, Idaho

Creator:: James, Robert L., United States. Forest Health Protection, and United States. Forest Service. Northern Region
Abstract:: Investigations were conducted from 1998- 2000 at the Potlatch Corporation's Cherrylane Seed Orchard near Lewiston, Idaho to evaluate presence and extent of potentially pathogenic fungi on roots of diseased stock and within the soil in current and proposed plantation sites. The most common group of pathogens encountered was Fusarium spp.;...
Resource Type:: Technical Report
Full Text:: TREE HEALTH AT THE POTLATCH CORPORATION CHERRYLANE SEED ORCHARD, IDAHO R.L. James • Abstract

On the study of forest entomology in America

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Conference Proceeding
Full Text:: foliage, etc.; and each should, as with the insect specimens, be accom- panied by the note number. It is

Some insects injurious to forests. pt. I, The locust borer

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Bureau of Entomology
Resource Type:: Technical Report
Full Text:: seed for general planting were collected from immune trees 14 SOME INSECTS INJURIOUS TO FORESTS

Catalogue of exhibits of insect enemies of forests and forest products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: of the exhibit 9 Insects injurious to fruit or seeds 13 Insect injury to forest products

ScholarsArchive@OSU

Insect enemies of forest reproduction

Insects and ergot in Kentucky bluegrass seed production fields in the Pacific Northwest

A three year evaluation of Douglas-fir cone and seed insects in Montana and Yellowstone National Park

Ground application of dimethoate (Cygon) for the control of cone and seed destroying insects of Douglas-fir and grand fir

Insect pests of truck and garden crops, 1913

Regional summary of forest insects and diseases, 1979

Investigations of tree health at the Potlatch Corporation Cherrylane Seed Orchard, Idaho

On the study of forest entomology in America

Some insects injurious to forests. pt. I, The locust borer

Catalogue of exhibits of insect enemies of forests and forest products at the Louisiana Purchase Exposition, St. Louis, Mo., 1904

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