Effects of Green Manure Type and Amendment Rate on Verticillium Wilt Severity and Yield of Russet Burbank Potato von Ochiai, N, Powelson, M.L, Dick, R.P, Crowe, F.J

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Green manure effects on soil quality in relation to suppression of Verticillium wilt of potatoes von Ochiai, N, Powelson, M. L, Crowe, F. J, Dick, R. P

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Biology and management of early dying of potatoes von Powelson, M.L, Rowe, R.C

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Nutritional interactions influencing diseases of potato von Lambert, D.H, Powelson, M.L, Stevenson, W.R

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Response of six potato cultivars to amount of applied water and Verticillium dahliae von Arbogast, M, Powelson, M.L, Cappaert, M.R, Watrud, L.S

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Assessment of barriers to prevent the development of potato tuber blight caused by Phytophthora infestans von GLASS, J. R, JOHNSON, K. B, POWELSON, M. L

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Effect of registered potato seed piece fungicides on tuber-borne Phytophthora infestans von INGLIS, D. A, POWELSON, M. L, DORRANCE, A. E

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Effect of sprinkler irrigation on bacterial soft rot and yield of broccoli von Ludy, R.L. (Oregon State University, Corvallis, OR.), Powelson, M.L, Hemphill, D.D. Jr

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Assessment of irrigation as a method of managing potato early dying von Cappaert, M.R. (Oregon State University, Corvallis), Powelson, M.L, Christensen, N.W, Stevenson, W.R, Rouse, D.I

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Soil water pressure and Verticillium dahliae interactions on potato von GAUDREAULT, S. M, POWELSON, M. L, CHRISTENSEN, N. W, CROWE, F. J

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Potato early dying: Management challenges in a changing production environment von ROWE, Randall C, POWELSON, Mary L

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Foliar fungicides as protective seed piece treatments for management of late blight of potatoes von POWELSON, M. L, INGLIS, D. A

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Soil and seed tubers as sources of inoculum of Erwinia carotovora pv. carotovora for stem soft rot of potatoes [Solanum tuberosum] von POWELSON, M. L, APPLE, J. D

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Influence of irrigation on severity of potato early dying and tuber yield von CAPPAERT, M. R, POWELSON, M. L, CHRISTENSEN, N. W, CROWE, F. J

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Effects of Green Manure Type and Amendment Rate on Vertidllium Wilt Severity and Yield of Russet Burbank Potato von Ochiai, N, Powelson, M L, Dick, R P, Crowe, F J

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Irrigation water as a source of inoculum of soft rot erwinias for aerial stem rot of potatoes von Cappaert, M.R, Powelson, M.L, Franc, G.D, Harrison, M.D

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A bacteriophage-typing system for surveying the diversity and distribution of strains of Erwinia carotovora in potato fields von Gross, D.C. (Washington State University, Pullman), Powelson, M.L, Regner, K.M, Radamaker, G.K

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Authors' Response to the Letter from Davis and Huisman Commenting on "Potato Early Dying: Management Challenges in a Changing Production Environment" von Rowe, Randall C, Powelson, Mary L

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Potato blackleg in progeny plantings from diseased and symptomless parent plants von Powelson, M.L, Apple, J.D

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Association of viral, bacterial and fungal pathogens with vascular discoloration of Russet Burbank potato tubers von Clarke, R. G., Powelson, M. L., Beraha, L.

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