This bulletin is one of a series on organic potato production developed by “OSPUD.” OSPUD is a collaboration among Oregon State University personnel and 11 farmers operating diversified organic vegetable farms. The purpose of OSPUD is to improve potato quality and profitability through a participatory learning process and on-farm, farmer-directed...
Western spruce budworm defoliated area in the Northern Region has differed significantly across three discrete geographic zones during the past decade. Aerially visible defoliation in northern Idaho increased from 1.7 million acres in 1969 to a high of 2.2 million acres in 1974, and declined to none in 1979. Defoliated...
Published June 1948. 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
The Bureau of Entomology has been conducting systematic and economic
investigations of the weevils infesting the bark of the trunk and
terminal shoots of conifers in the United States, the results of which will be
published in the regular technical and popular bulletins ; but since these can not be...
Recent years have witnessed extensive destruction of forest growth,
particularly of pine, spruce, and chestnut, in portions of the United
States east of the Rocky Mountains. This injury has been very
generally attributed to insects, and there is evidence that certain
wood and bark-boring species have largely contributed to the...