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Crop Damage Estimates for Crown Rot of Wheat and Barley in the Pacific Northwest.
Crown rot of wheat and barley in the Pacific Northwest is caused by a complex of Fusarium pseudograminearum, F. culmorum, F. avenaceum, Bipolaris sorokiniana, and Microdochium nivale. Yield-lossExpand
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Pathogenicity of Fungi Associated with the Wheat Crown Rot Complex in Oregon and Washington.
Crown rot of wheat in the Pacific Northwest is caused by a complex including Bipolaris sorokiniana, Fusarium avenaceum, F. culmorum, F. pseudograminearum, and Microdochium nivale. RelativeExpand
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Pratylenchus thornei Associated with Reduced Wheat Yield in Oregon.
Pratylenchus thornei reaches high population densities in non-irrigated annual cropping systems in low-rainfall regions of the Pacific Northwest. Two spring wheat varieties with different levels ofExpand
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Plant-Parasitic Nematodes Associated with Reduced Wheat Yield in Oregon: Heterodera avenae.
Heterodera avenae is widely distributed in the western United States, where most wheat is grown in non-irrigated winter wheat/summer fallow rotations in low rainfall regions. Economic and socialExpand
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Nematodes in dryland field crops in the semiarid pacific northwest United States.
Soils and roots of field crops in low-rainfall regions of the Pacific Northwest were surveyed for populations of plantparasitic and non-plant-parasitic nematodes. Lesion nematodes (PratylenchusExpand
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Suppression of Wheat Growth and Yield by Pratylenchus neglectus in the Pacific Northwest.
Many wheat (Triticum aestivum) fields planted annually in the Pacific Northwest are infested by high populations of the lesion nematode, Pratylenchus neglectus. Spring wheat cultivars varying inExpand
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Detection and Discrimination of Pratylenchus neglectus and P. thornei in DNA Extracts from Soil.
A species-specific polymerase chain reaction (PCR) method was developed to detect and identify the root-lesion nematodes Pratylenchus neglectus and P. thornei from soil. A primer set was designedExpand
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Vertical Distribution of Pratylenchus spp. in Silt Loam Soil and Pacific Northwest Dryland Crops.
Dryland field crops in the Pacific Northwest United States are commonly produced in silt loams infested by the root-lesion nematodes Pratylenchus neglectus and P. thornei. Soils at 30 sites in OregonExpand
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Economic impact of Hessian fly (Diptera: Cecidomyiidae) on spring wheat in Oregon and additive yield losses with Fusarium crown rot and lesion nematode.
Damage caused by Hessian fly, Mayetiola destructor (Say), was quantified in spring wheat, Triticum aestivum L., trials near Pendleton and Moro, OR, during 2001 and 2002. Five field experiments wereExpand
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Geocenamus brevidens Associated with Reduced Yield of No-Till Annual Spring Wheat in Oregon.
Associations between stunt nematodes and yield of no-till annual spring wheat (Triticum aestivum) were examined at two eastern Oregon locations. Geocenamus brevidens was the only species detected atExpand
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