01581nam 2200421 a 450 991070298300332120091008105619.0(CKB)3780000000255254(OCoLC)453941702(EXLCZ)99378000000025525420091008d1981 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierSelection and propagation of highly graft-compatible Douglas-fir rootstocks, a case history[electronic resource] /Donald L. Copes[Portland, Or.] :U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station,[1981]1 online resource (8 pages) illustrationsResearch note PNW ;376Title from caption title screen (FS, Oct. 6, 2009)."March 1981."Includes bibliographical references (page 8).Selection and propagation of highly graft compatible Douglas fir rootstocks, a case historyDouglas firGraftingRoots (Botany)Douglas fir.Grafting.Roots (Botany)Copes Donald L1399365Pacific Northwest Forest and Range Experiment Station (Portland, Or.)GPOGPOBOOK9910702983003321Selection and propagation of highly graft-compatible Douglas-fir rootstocks, a case history3464453UNINA