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Annie Gravatt
Annie Gravatt (Annie Evelyn Rathbun) was an American forest pathology, forest pathologist. Her areas of research included plant physiology and Cronartium ribicola, white pine blister rust. She also studied Chestnut blight, the fungus that devastated American chestnut trees in the early 20th century. Along with her husband, George Gravatt, she founded the community of Scientists Cliffs, Maryland, Scientists' Cliffs, Maryland. Education Gravatt received her B.A. from Brown University in 1916, and her M.S. in 1918.Bailey, Martha J. American Women in Science: A Biographical Dictionary. Denver, CO: ABC-CLIO, 1994 Career Gravatt spent her entire career with the United States Department of Agriculture, in the agency's Bureau of Plant Industry. She also served on the editorial staff of ''Phytopathology'', the journal of the American Phytopathological Society. She was a member of the American Association for the Advancement of Science and the American Phytopathological Society. Publicat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Forest Pathology
Forest pathology is the research of both Biotic stress, biotic and Abiotic stress, abiotic maladies affecting the health of a forest ecosystem, primarily Fungal infection in plants, fungal pathogens and their insect vectors. It is a subfield of forestry and plant pathology. Forest pathology is part of the broader approach of forest protection. Insects, diseases and severe weather events damaged about 40 million ha of forests in 2015, mainly in the temperate and boreal domains. Abiotic factors There are a number of Abiotic component, abiotic factors which affect the health of a forest, such as moisture issues like drought, winter-drying, Waterlogging (agriculture), waterlogging resulting from over-abundance or lack of precipitation (meteorology), precipitation such as hail, snow, rain. Wind is also an important abiotic factor as windthrow (the uprooting or breaking of trees due to high winds) causes an obvious and direct loss of stability to a forest or its trees. Often, abio ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |