References

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Author Title Type [ Year(Desc)]
Filters: First Letter Of Last Name is R and Author is L.F. Roth  [Clear All Filters]
1976
Pratt RG, Roth LF, Hansen EM, Ostrofsky WD. Identity and pathogenicity of species of Phytophthora causing root rot of Douglas-fir in the Pacific Northwest. Phytopathology. 1976 ;66:710-714.
1977
Ostrofsky WD, Roth LF, Pratt RG. Detection of Phytophthora lateralis in soil organic matter and factors that affect its survival. Phytopathology. 1977 ;67:79–84.
1979
Hansen EM, Hamm PB, Julis AJ, Roth LF. Isolation, incidence and management of Phytophthora in forest tree nurseries in the Pacific Northwest [USA]. Plant Disease Reporter. 1979 ;63:607-611.
1980
Englander L, Roth LF. Interaction of light and sterol on sporangium and chlamydospore production by Phytophthora lateralis. Phytopathology. 1980 ;70:650-654.
Hansen EM, Roth LF, Hamm PB, Julis. AJ. Survival, spread, and pathogenicity of Phytophthora spp. on Douglas-fir seedlings planted on forest sites. Phytopathology 70: [Internet]. 1980 ;70:422-425. Available from: http://www.apsnet.org/publications/phytopathology/backissues/Documents/1980Abstracts/Phyto70_422.htm
1985
Zobel DB, Roth LF, Hawk GM. Ecology, pathology and management of Port-orford Cedar (Chamaecyparis lawsoniana). 1985 :161 pp.
1987
Roth LF, Harvey RD, Kliejunas JT. Port-Orford-cedar disease. [Internet]. 1987 . Available from: http://www.fs.fed.us/r6/nr/fid/fidls/poc.htm
1989
Hansen EM, Hamm PB, Roth LF. Testing Port-Orford-cedar for resistance to Phytophthora. Plant Disease. 1989 ;73:791–794.