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adults applied areas assay bareroot nurseries bark benomyl caused chemical chlamydospores chloropicrin chlorothalonil cides conidia conifer cranberry girdler Cutworm Damage seen damping-off dead Department of Agriculture develop Douglas-fir Douglas-fir seedlings effective feeding fertilizers Figure foliage forest nurseries Frost damage fumigation fungi fungicides fungus Fusarium Fusarium hypocotyl rot Fusarium root rot germination gray mold growing season Hamm healthy hosts hypocotyl inoculum insecticides irrigation killed larvae lings Loss potential Lower stem canker lygus bugs mineral nutrient moisture mortality needle cast nematode nursery beds nursery managers nursery pests occurs Oregon State University Pacific Northwest pathogen Pest Management Pesticide damage Pesticide phytotoxicity pesticides Phoma blight Phytophthora Phytophthora root rot phytotoxicity plant Pratylenchus reduce root system Root weevil seed seedbeds seedlings Selected references soilborne sowing species spores spring spruce storage stunted summer susceptible symptoms appear temperatures tion transplants trees true firs U.S. Department Upper stem canker weeds western larch Xiphinema zoospores
Page 34 - Ecology and biology of three Lophodermium species on secondary needles of Pinus sylvestris. European Journal of Forest Pathology, 10, 169-81.
Page 21 - Hansen, EM; Hamm, PB: Julis, AJ; Roth, LF 1979. Isolation, incidence, and management of Phytophthora in forest tree nurseries in the Pacific Northwest. Plant Disease Reporter.
Page 74 - Effect of excessively high temperatures on coniferous reproduction.
Page 23 - JR 1986. Detection of seed-borne Sirococcus strobilinus with monoclonal antibodies in an enzyme-linked immunosorbent assay. Canadian Journal of Forest Research.
Page 45 - ... conifers. N. Am. For. Comm. Publ. 1. Victoria, BC: Ministry of Supplies and Services. 77 p. Tinus, RW 1987. Personal communication. USDA Forest Service, Flagstaff, AZ. Tripepi, RR; Mitchell, CA 1984. Stem hypoxia and root respiration of flooded maple and birch seedlings. Physiologia Plantarum 60: 567-571. Tunnock, S. 1985. Suppression of cranberry girdler damage in beds of Douglas-fir seedlings, Coeur d' Alene Nursery, Idaho Panhandle National Forest— 1984.
Page 9 - Bloomberg, WJ 1981. Disease caused by Fusarium in forest nurseries. In: Nelson, PE; Toussoun, TA; Cook, RJ Fusarium: diseases, biology, and taxonomy. University Park, PA: Pennsylvania State University Press: 178-187.
Page 32 - Sinclair, WA; Hudler, GW 1980. Tree and shrub pathogens new or noteworthy in New York State. Plant Disease.
Page 37 - Hansen, EM; Hamm, PB 1988. Canker diseases of Douglas-fir seedlings in Oregon and Washington bareroot nurseries. Canadian Journal of Forest Research.