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United States Department of Agriculture

Agricultural Research Service

Photo of geneticist Alden Townsend inoculating a tree with the fungus that causes Dutch elm disease.
A plant geneticist works with a plant's genes to search for and strengthen--or weaken--certain traits, like its tolerance to cold or the size or sweetness of its fruit. They also work to improve breeding methods and ways to make sure that future generations of a particular plant will have the traits farmers want.

Last Modified: 2/14/2011
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