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An "Extra Heredity" Approach To Aspen Breeding In The Lake States*

Early in 1952 a project was initiated for breeding native aspens for growing in northern and central Wisconsin. The Rhinelander Paper Company and the Marathon Corporation jointly are supporting the project, and Beloit College has made available greenhouse, laboratory, and office facilities. The goal of research is to determine whether adding one, or two, complete sets of the nuclear factors which determine a tree's inherited life potential, to the double set of such factors in the cells of the ordinary wild tree may constitute a profitable means (1) of increasing the per acre production of paper-making fiber, and (2) of improving upon the quality and utility of the fiber by producing a longer one.


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Author(s): Philip N. Joranson