3 collections related to North Carolina State University. Department of Plant Pathology -- History

The Charles J. Nusbaum Papers relate to Nusbaum's plant pathology research as well as interactions with his students at North Carolina State University. This collection contains Nusbaum's essays, publications, and reports, research correspondence, and materials from his classes. Materials related to the Tobacco Workers Conference are also included. In addition, there are photographs and slides, some pertaining to Nusbaum's research and others to his personal life. The photographs generally date from the 1930s and 1940s. The slides generally date from the 1930s to the 1960s. Items in the collection date from 1928 to 1992, with the bulk dating from the 1930s to the 1970s. Less

Reprints and papers used by George Hepting in preparation of his book Diseases of Forest and Shade Trees of the United States (1971). Also included in this collection are similar later reprints, reprints of Hepting's own articles, Hepting's resume, and a few other papers. George Henry Hepting (1907-1988) retired from the United States Forest Service as Chief Plant Pathologist at the Southeastern Forest Experiment Station in 1971. From 1967 through 1984 he served as Visiting Professor in the Department of Plant Pathology and the School of Forest Resources at North Carolina State University. Hepting did research on heartrot diseases of forest trees; the impact of fire scars, basal wounds, and stump sprouts on infection and spread of decay in many species of trees; the mechanisms by which trees restrict the development of decay and discoloration in tree stems; fusarium wilt disease of Mimosa; the role of mating types in oak wilt fungus; fungal discolorations in felled timber and lumber of southern pines; the impact of discolorations and decay on the strength of wood veneers used in military aircraft; rust, twig, and foliage blights; pitch canker disease of southern pines; sweetgum blight; the ineffectiveness of actidione as a control for white pine blister rust; development of practical controls for annosus root rot and for management of nursery diseases with fumigant chemicals; cause of a serious dieback disease of pines in New Zealand; aspects of littleleaf disease of southern pines. He also directed pioneering research on the role of ozone and other photo-chemical oxidants as causes of diseases in forests. Less