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Creator:: Oregon Agricultural Experiment Station and Washburn, F. L. (Frederic Leonard), 1860-1927
Abstract:: Published September 1895. 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:: onapple and pear, and that, when properly combined with paris green, it, atthe same time checks the

Creator:: Oregon Agricultural Experiment Station and Washburn, F. L. (Frederic Leonard), 1860-1927
Abstract:: Published March 1892. 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:: diameter Scale of male smaller, darker and slight- ly elongated, The eggs hatch about Pear and twig

Creator:: Chittenden, F. H. (Frank Hurlbut), 1858-1929 and United States. Division of Entomology
Abstract:: 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...
Resource Type:: Technical Report
Full Text:: to a fungus disease, and it is possible that such is the case. The chestnut-boring species, however

Creator:: Hopkins, A. D. (Andrew Delmar), 1857-1948 and United States. Division of Entomology
Resource Type:: Technical Report
Full Text:: for the multiplication and spread of the pest to the healthy trees in adjoining forests. Leaving

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