Search Results - "Hamm, Philip B."

Monitoring nitrogen status of potatoes using small unmanned aerial vehicles by Hunt, E. Raymond, Horneck, Donald A., Spinelli, Charles B., Turner, Robert W., Bruce, Alan E., Gadler, Daniel J., Brungardt, Joshua J., Hamm, Philip B.

“…Small unmanned aircraft vehicles (UAV) are potential remote sensing platforms for precision agriculture. However, to be useful for in-season management,…”
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Molecular and Alkaloid Characterization of Claviceps purpurea Sensu Lato From Grass Seed Production Areas of the U.S. Pacific Northwest by Dung, Jeremiah K S, Duringer, Jennifer M, Kaur, Navneet, Scott, Jeness C, Frost, Kenneth E, Walenta, Darrin L, Alderman, Stephen C, Craig, A Morrie, Hamm, Philip B

“…Ergot, caused by sensu lato, is an economically important seed replacement disease of Kentucky bluegrass ( ) and perennial ryegrass ( ) seed crops. sensu…”
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Assessment of Potato Psyllid Bactericera cockerelli (Hemiptera: Triozidae) and Zebra Chip Disease in Four Commercial Potato Varieties in the Columbia Basin by Echegaray, Erik R, Rondon, Silvia I, Hamm, Philip B

“…Potato varieties may respond differently to the occurrence of arthropod pests including plant-pathogen. Although the potato psyllid, Bactericera cockerelli…”
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Diversity and evolution of potato mop-top virus by Beuch, Ulrike, Berlin, Sofia, Åkerblom, Jonas, Nicolaisen, Mogens, Nielsen, Steen Lykke, Crosslin, James M., Hamm, Philip B., Santala, Johanna, Valkonen, Jari P. T., Kvarnheden, Anders

“…Nearly complete sequences of RNA-CP and 3′-proximal RNA-TGB were determined for 43 samples of potato mop-top virus (PMTV) originating from potato tubers and…”
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Multiplex Reverse Transcription (RT) High-Fidelity PCR Protocol for the Detection of Six Viruses that Cause Potato Tuber Necrosis by Cating, Robert A, Funke, Cassandra N, Kaur, Navneet, Hamm, Philip B, Frost, Ken E

“…Viruses that cause necrotic symptoms in potato tubers can be difficult to distinguish based on symptoms and frequently require multiple molecular tests to…”
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High-Fidelity PCR Improves the Detection of ‘Candidatus Liberibacter solanacearum’ in Potato Tubers by Cating, Robert A, Rondon, Silvia I, Hamm, Philip B

“…Zebra chip disease (ZC) of potato tubers, caused by the unculturable bacterium ‘Candidatus Liberibacter solanacearum’ (Lso) can be difficult to detect from…”
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Incidence and Impact of Verticillium dahliae in Soil Associated with Certified Potato Seed Lots by DUNG, Jeremiah K. S, HAMM, Philip B, EGGERS, Jordan E, JOHNSON, Dennis A

“…Verticillium dahliae causes Verticillium wilt of potato and can be found in soil associated with potato seed tubers. The purpose of this research was to…”
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Distribution of Potato virus Y Strains in Tubers during the Post-Harvest Period by Whitworth, Jonathan L., Hamm, Philip B., Nolte, Phillip

“…Russet Burbank, Russet Norkotah, and Shepody tubers infected with Potato virus Y strains (PVY O , PVY N:O , PVY NTN ) were tested from storage at 4°C at the…”
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Common Smut Reduces Sweet Corn Yield and Ear Processing Quality by CLOUGH, George H, BLATCHFORD, Sarah, HAMM, Philip B

“…The impact of natural infection of Ustilago maydis (causal agent of common smut) on processing characteristics of three F 1 hybrid sweet corn ( Zea mays L.)…”
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Effect of Mint, Potato and Other Previous Rotational Crops on Potato Yields in the Columbia Basin of Oregon by Dung, Jeremiah K. S, Harris, Greg J, Haguewood, Amellia B, Hamm, Philip B

“…The effect of immediate previous rotational crops (alfalfa, corn, mint, onion and wheat) on total yields of five potato cultivars (Alturas, Premier Russet,…”
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Complete genomic sequence of a Tobacco rattle virus isolate from Michigan-grown potatoes by Crosslin, James M, Hamm, Philip B, Kirk, William W, Hammond, Rosemarie W

“…Tobacco rattle virus (TRV) causes stem mottle on potato leaves and necrotic arcs and rings in potato tubers, known as corky ringspot disease. Recently, TRV was…”
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In Vitro Fungicidal Activity of Calcium and Potassium Salts on Several Commercially Significant Plant Pathogens by KAISER, Clive, HAMM, Philip B, GIECK, Stacy, DAVID, Nicholas, LONG, Lynn, MELAND, Mekjell, MARK CHRISTENSEN, J

“…In vitro dose responses of several calcium and potassium salts were determined on some commercially significant plant pathogens, including: Helminthosporium…”
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Influence of Location, Year, Potato Rotation, and Chemical Seed Treatment on Incidence and Severity of Silver Scurf on Progeny Tubers by Miller, Jeffrey S, Hamm, Philip B, Dung, Jeremiah K. S, Geary, Brad D, James, Steven R, Johnson, Dennis A, Rykbost, Kenneth

“…A three-year study was conducted in 1999, 2001, and 2002 to examine the influence of seed-borne inoculum and fludioxonil+mancozeb seed treatment on silver…”
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Erratum to: Influence of Location, Year, Potato Rotation, and Chemical Seed Treatment on Incidence and Severity of Silver Scurf on Progeny Tubers by Miller, Jeffrey S., Hamm, Philip B., Dung, Jeremiah K. S., Geary, Brad D., James, Steven R., Johnson, Dennis A., Rykbost, Kenneth

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Effect of Post-Harvest Fungicides and Disinfestants on the Suppression of Silver Scurf on Potatoes in Storage by Miller, Jeffrey S, Hamm, Philip B, Olsen, Nora, Geary, Brad D, Johnson, Dennis A

“…Silver scurf of potato, caused by Helminthosporium solani, can be a serious problem of potato tubers sold for table stock. The fungus originates primarily on…”
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Metalaxyl-M-resistant Pythium species in potato production areas of the Pacific Northwest of the U.S.A by Porter, Lyndon D, Hamm, Philip B, David, Nicholas L, Gieck, Stacy L, Miller, Jeffery S, Gundersen, Babette, Inglis, Debra A

“…Several Pythium species causing leak on potato are managed by the systemic fungicide metalaxyl-M. Metalaxyl-M-resistant (MR) isolates of Pythium spp. have been…”
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Benzimidazole resistance of Fusarium species recovered from potatoes with dry rot from storages located in the Columbia Basin of Oregon and Washington by Ocamb, C.M, Hamm, P.B, Johnson, D.A

“…Fusarium species cause dry rot or seedpiece decay of potato tubers in storage and in the field. When potato storages were sampled in the Columbia Basin of…”
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Seasonal Occurrence and Abundance of Beet Leafhopper in the Potato Growing Region of Washington and Oregon Columbia Basin and Yakima Valley by Munyaneza, J.E, Jensen, A.S, Hamm, P.B, Upton, J.E

“…Leafhopper-transmitted phytoplasma diseases are increasingly becoming important in the Pacific Northwest. An epidemic of purple top disease of potato (Solanum…”
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Aerial photography used for spatial pattern analysis of late blight infection in irrigated potato circles by JOHNSON, Dennis A, ALLDREDGE, J. Richard, HAMM, Philip B, FRAZIER, Bruce E

“…ABSTRACT Spatial and temporal dynamics of late blight were investigated from color, infrared aerial photographs of five commercial potato fields in the…”
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Benzimidazole resistance offusarium species recovered from potatoes with dry rot from storages located in the Columbia basin of oregon and Washington by Ocamb, Cynthia M., Hamm, Philip B., Johnson, Dennis A.

“…Fusarium species cause dry rot or seedpiece decay of potato tubers in storage and in the field. When potato storages were sampled in the Columbia Basin of…”
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