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Creator:: Engelhardt, Norman Thain
Resource Type:: Masters Thesis
Full Text:: . Port Orford cedar (Chama.ec:yparis l;awsoniana (.A. Murr .) Parl .) has been noted to develop a

Creator:: Trione, Edward John
Resource Type:: Dissertation
Full Text:: dextroe agar at !0° a. • • • • • • • • • • • • • • • • .38 a. The base of a diseased Port Orford cedar

Creator:: Gordon, Donald E.
Abstract:: The root pathogen, Phytophthora lateralis Tucker and Milbrath, continues its destructive spread among Port-Orford Cedars (Chamaecyparis lawsoniana (Murr.) Parl.) of southwestern Oregon. This thesis concerns spread of the fungus between root systems of individual trees in a 49-year-old stand predominantly of Port-Orford- Cedar. The contribution of root grafts to spread...
Resource Type:: Masters Thesis

Creator:: Ostrofsky, William Dow
Abstract:: Chamaecyparis lawsoniana, an extremely valuable timber tree species, is highly susceptible to a serious, soil -borne root disease caused by Phytophthora lateralis. Disease outbreaks of epidemic proportions are continually causing high mortality in natural stands of the host tree. Practical control measures rely on an understanding of the many factors...
Resource Type:: Masters Thesis
Full Text:: Cedar Branch lets in the Field 32 Baiting with Port-Orford Cedar Seedlings 34 Baiting with Port-Orford

Creator:: Kuhlman, Elmer George, 1934-
Resource Type:: Dissertation
Full Text:: 57 il The effect of temperature on Infection of Port Orford cedar by F. cinriamomi . . . . . 60

Creator:: Englander, Larry
Abstract:: Phytophthora lateralis Tucker and Milbrath, causal agent of a serious fungus root rot of Chamaecyparis lawsoniana, has seriously damaged natural stands in southwestern Oregon forests and affected ornamentals throughout the Pacific Northwest. Progress with an effective control program in the field has been limited by lack of critical knowledge of...
Resource Type:: Dissertation
Full Text:: sometimes abundant in the Douglas-fir (Pseudotsuga menziesii (Mirb. ) Franco) forest. Port-Orford-cedar

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