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Title: Leafing-out date not indicative of growth rate in hybrid poplars
Author: Ford, Harold F.; Sucoff, Edward I.;
Source: Forest Research Note NE-123. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-4
Publication Series: Forest Research Note
Description: In breeding trees for rapid growth, testing the progeny usually requires many years. To shorten the testing period, geneticists have tried to find characteristics in juvenile trees that would indicate mature-tree performance. With hybrid poplars (Populus spp.), work at the Northeastern Forest Experiment Station has shown that the thickness of bark on the roots of 1-year-old cuttings is significantly related to the growth rate of the tree.
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Ford, Harold F.; Sucoff, Edward I. 1961. Leafing-out date not indicative of growth rate in hybrid poplars. Forest Research Note NE-123. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 1-4
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