Acknowledgment of Reviewers

The success of PHYTOPATHOLOGY depends on the quality of manuscripts submitted by authors and on the care and competencewith which they are reviewed. It is the policy of the Editorial Board to solicit reviews of manuscripts from specialists most qualifiedto review them. In addition to members of the Editorial Board, the individuals listed below provided constructive critical reviewsof one or more manuscripts during the past year. Their names are published here in grateful appreciation for their contributionto the journal and to the science of phytopathology.

Alderman, S., USDA-ARS, Oregon State University, Corvallis Correll, J. C., University of Arkansas, FayettevilleAldrich, H., University of Florida, Gainesville Cotty, P. J., USDA-ARS, New Orleans, LAAlexander, H. M., University of Kansas, Lawrence Crowe, F., Central Oregon Experiment Station, RedmondAlvarez, A. M., University of Hawaii, Honolulu Cuppels, D. A., Agriculture Canada, London, OntarioAnderson, E. J., University of Missouri, Columbia Davidse, L. C., Agricultural University, Binnenhaven, Wageningen,Andrews, J. H., University of Wisconsin, Madison The NetherlandsAragaki, M., University of Hawaii, Honolulu Davis, J. R., University of Idaho, AberdeenAtkinson, M. M., University of Wisconsin, Madison Dawson, W. 0., University of California, RiversideAylor, D., Connecticut Ag. Exp. Station, New Haven Day, P. R., Cook College, Rutgers University, New Brunswick, NJBahme, J. B., AG Biochem Inc., Los Molinos, CA DeBoer, S. H., Agriculture Canada, Vancouver, British ColumbiaBaker, C. J., USDA-ARS, Beltsville, MD Demski, J. W., University of Georgia, GriffinBaker, R., Colorado State University, Ft. Collins deNazareno, N., Ohio State University, WoosterBarker, K. R., North Carolina State University, Raleigh Derrick, K. S., University of Florida, Lake AlfredBarrett, J., University of Cambridge, Cambridge, U.K. Desjardins, A., USDA-ARS, Peoria, ILBaudoin, A. B., VPI & SU, Blacksburg, VA DeVay, J. E., University of California, DavisBeckman, C. H., University of Rhode Island, Kingston De Zoeten, G. A., Michigan State University, East LansingBeer, S. V., Cornell University, Ithaca, NY Dickman, M. B., University of Nebraska, LincolnBenedict, A. A., University of Hawaii, Honolulu Dickson, D. W., University of Florida, GainesvilleBenhamou, N., Universite Laval, Ste-Foy, Quebec, Canada Diener, U. L., Auburn University, Auburn, ALBennetzen, J. L., Purdue University, West Lafayette, IN Dillard, H. R., New York State Ag. Exp. Station, GenevaBerger, P., University of Idaho, Moscow Dodds, J. A., University of California, RiversideBerger, R. D., University of Florida, Gainesville Doke, N., Nagoya University, Chikusa-Ku, NagoyaBerggren, G. T., Jr., Louisiana State University, Baton Rouge Dougherty, W. G., Oregon State University, CorvallisBergstrom, G., Cornell University, Ithaca, NY Duczek, L. J., Agriculture Canada, Saskatoon, SaskatchewanBernier, C. C., University of Manitoba, Winnipeg, Manitoba, Canada Duffus, J., USDA-ARS, Salinas, CABeute, M. K., North Carolina State University, Raleigh Duncan, J. M., Scottish Crop Res. Inst., Invergowrie, DundeeBisaro, D., Ohio State University, Columbus Duniway, J. M., University of California, DavisBonde, M. R., USDA-ARS, Frederick, MD Dunkle, L., Purdue University, West Lafayette, INBoote, K., University of Florida, Gainesville Duthie, J. A., University of California, DavisBowen, K., Auburn University, Auburn, AL Easton, G. D., IAREC, Prosser, WABoyette, C. D., USDA-ARS, Stoneville, MS Eckert, J. W., University of California, RiversideBozarth, R. F., Jr.. Indiana State University, Terre Haute Edwards, M. C., USDA-ARS, Fargo, NDBrammall, R. A., HRI of Ontario, Simcoe, Ontario, Canada Elad, Y., Volcani Center, Bet Dagan, IsraelBraun, E. J., Iowa State University, Ames Ellingboe, A. H., University of Wisconsin, MadisonBritton, K. 0., U.S. Forest Service, Athens, GA Elliott, V. J., USDA-ARS, Oxford, NCBrlansky, R. H., University of Florida, Lake Alfred Endo, B. Y., USDA-ARS, Beltsville, MDBronson, C., Iowa State University, Ames Engelhard, A. W., University of Florida, BradentonBroscious, S. C., American Cyanamid Co., Princeton, NJ Erwin, D. C., University of California, RiversideBrowder, L. E., USDA-ARS, Kansas State University, Manhattan Eversmeyer, M. G., Kansas State University, ManhattanBrown, E., Florida Dept. of Citrus, Lake Alfred Fahy, P., Biolog. & Chem. Res. Inst., Rydalmere, NSWBrown, M., University of Missouri, Columbia Fenn, P., University of Arkansas, FayettevilleBruening, G., University of California, Davis Ferreira, S., University of Hawaii, HonoluluBrunt, A. A., Glasshouse Crops Res. Inst., Rustington, Littlehampton, Ferrin, D. M., University of California, Riverside

Sussex, England Ferriss, R. S., University of Kentucky, LexingtonBurgess, L. W., University of Sydney, Sydney, Australia Fett, W. F., USDA-ARS, Philadelphia, PABurr, T., New York State Ag. Exp. Station, Geneva Fitt, B. D. L., Rothamsted Exp. Station, Harpenden, Herts, EnglandBushnell, W. R., USDA-ARS, University of Minnesota, St. Paul Fletcher, J. T., A.D.A.S., Wye, Ashford, Kent, U.K.Cahill, D., Murdoch University, Murdock, Western Australia Forster, R. L., University of Idaho, KimberlyCarlson, R., University of Georgia, Athens Francki, R. I. B., Waite Agricultural Research Institute, Glen OsmondCarrington, J. C., Texas A&M University, College Station S.A., AustraliaChen, T. A., Cook College, Rutgers University, New Brunswick, NJ French, R., USDA-ARS, University of Nebraska, LincolnChilton, S., North Carolina State University, Raleigh Friend, J., University of Hull, Hull, U.K.Chou, C. S., University of Kentucky, Lexington Fry, W. E., Cornell University, Ithaca, NYChrist, B. J., Pennsylvania State University, University Park Fulbright, D., Michigan State University, East LansingChristensen, N., Oregon State University, Corvallis Gabriel, D. W., University of Florida, GainesvilleChristie, R. G., University of Florida, Gainesville Gadoury, D. M., Cornell University, Geneva, NYChumley, F. G., Dupont Co., Wilmington, DE Gardiner, R. B., Agriculture Canada, Harrow, OntarioCiverolo, E. L., USDA-ARS, Beltsville, MD Garibaldi, A. E., Istituto Patologia Vegetale, Torino, ItalyClark, R. L., USDA-ARS, Ames, IA Garnsey, S. M., U.S. Horticulture, Orlando, FLCleveland, T. E., USDA-ARS, New Orleans, LA Gergerich, R. C., University of Arkansas, FayettevilleCobb Jr., F. W., University of California, Berkeley Gerik, J. S., USDA-ARS, Salinas, CACohen, Y., Sandoz Agro, Witterswil, Switzerland Gerlach, W., Inst. fur Mikrobiologie, Berlin, GermanyCollmer, A., Cornell University, Ithaca, NY German, T., University of Wisconsin, MadisonCollmer, C. W., Boyce Thompson Institute, Ithaca, NY Gessler, C. V., Inst. Fuer Phytomedicine, Zurich, SwitzerlandConverse, R. H., USDA-ARS, Corvallis, OR Ghabrial, S. A., University of Kentucky, LexingtonConway, K. E., Oklahoma State University, Stillwater Gilbertson, R. L., University of Wisconsin, MadisonCooksey, D. A., University of California, Riverside Gilchrist, D. G., University of California, Davis

Vol. 81, No. 1, 1991 1

Gildow, F. E., Pennsylvania State University, University Park Kuhn, C. W., University of Georgia, AthensGilligan, C., University of Cambridge, Cambridge, England Lane, L. C., University of Nebraska, LincolnGleason, M. L., Iowa State University, Ames Leach, J. E., Kansas State University, ManhattanGold, R. E., BASF Aktiengesellschaft, Limburgerhof, Germany Leath, S., USDA-ARS, North Carolina State University, RaleighGonsalves, D., Cornell University, Geneva, NY Leonard, K. J., USDA-ARS, University of Minnesota, St. PaulGoodman, R. N., University of Missouri, Columbia Leung, H., Washington State University, PullmanGoodwin, P., University of Guelph, Guelph, Ontario, Canada Levy, Y., Bar Ilan University, Ramat-Gan, Ramat, IsraelGordon, D. T., Ohio State University, Wooster Liddell, C. M., New Mexico State University, Las CrucesGordon, T. R., University of California, Berkeley Lillehoj, E. B., SRRC, New Orleans, LAGrau, C., University of Wisconsin, Madison Linde, D. C., BHN Research, Bonita Springs, FLGraves, C. H., Mississippi State University, Mississippi State Lindow, S., University of California, BerkeleyGray, F. A., University of Wyoming, Laramie Line, R. F., USDA-ARS, Washington State University, PullmanGross, D. C., Washington State University, Pullman Lipps, P. E., Ohio State University, WoosterGrove, G. G., Washington State University Tree Fruit Res. Center, Lister, R., Purdue University, West Lafayette, IN

Wenatchee Littlefield, L. J., Oklahoma State University, StillwaterGrybauskas, A., University of Maryland, College Park Livingston, W. H., University of Maine, OronoGumpf, D. J., University of California, Riverside Lockhart, B. E., University of Minnesota, St. PaulHamm, P. B., Oregon State University, Corvallis Lockwood, J., Michigan State University, East LansingHammerschmidt, R., Michigan State University, East Lansing Loebenstein, G. A. D., Volcani Inst. Ag. Research, Bet Dagan, IsraelHammond, J., USDA-ARS, Beltsville, MD Long, D. L., USDA-ARS, University of Minnesota, St. PaulHancock, J., University of California, Berkeley Loper, J. E., USDA-ARS, Corvallis, ORHanlin, R. T., University of Georgia, Athens Louie, R., USDA-ARS, Ohio State University, WoosterHansen, E. M., Oregon State University, Corvallis Lumsden, R. D., USDA-ARS, Beltsville, MDHarman, G. E., Cornell University, Geneva, NY Maas, J. L., USDA Fruit Lab, Beltsville, MDHarris, K. F., Texas A&M University, College Station MacHardy, W. E., University of New Hampshire, DurhamHarrison, B. D., Scottish Crop Res. Inst., Invergowrie, Dundee Main, C. E., North Carolina State University, RaleighHartung, J. S., USDA-ARS, Beltsville, MD Manning, W. J., University of Massachusetts, AmherstHattingh, M. J., University of Stellenbosch, Stellenbosch, South Africa Marchetti, M. A., USDA-ARS, Beaumont, TXHau, B., Justus-Liebig Universitat, Giessen, West Germany Marois, J. J., University of California, DavisHeadrick, J. M., Monsanto Agric. Co., St. Louis, MO Maxwell, D. P., University of Wisconsin, MadisonHeath, M. C., University of Toronto, Toronto, Ontario, Canada McBeath, J., University of Alaska, FairbanksHetrick, B. A., Kansas State University, Manhattan McCarter, S. M., University of Georgia, AthensHeun, M., Inst. Agronomy & Plant Breeding, Freising, West Germany McCartney, H. A., Rothamsted Exp. Station, Harpenden, Herts., EnglandHewings, A. D., USDA-ARS, University of Illinois, Urbana McClure, M. A., University of Arizona, TusconHibino, H., National Agric. Research Center, Kannondai, Tsukuba, Japan McDonald, B. A., Texas A&M University, College StationHiebert, E., University of Florida, Gainesville McLaughlin, M. R., USDA-ARS, Mississippi State, MSHildebrand, P. D., Agriculture Canada, Kentville, Nova Scotia Melouk, H. A., USDA-ARS, Oklahoma State University, StillwaterHill, J. H., Iowa State University, Ames Mihail, J., University of Missouri, ColumbiaHill, J. P., Colorado State University, Ft. Collins Miles, M. R., Funk Seeds International, Bloomington, ILHill, R. R., Jr., USDA-ARS, University Park, PA Milgroom, M. G., Cornell University, Ithaca, NYHoitink, H. A., Ohio State University, Wooster Milholland, R., North Carolina State University, RaleighHoppe, H. H., Gesamthochschule Kassel, Nordbahnhofstr, Witzenhausen, Miller, J. D., USDA-ARS, North Dakota State University, Fargo

West Germany Mims, C. W., University of Georgia, AthensHowell, C. R., USDA-ARS, College Station, TX Mink, G., Washington State University, ProsserHoy, J., Louisiana State University, Baton Rouge Mirocha, C. J., University of Minnesota, St. PaulHu, J., D. W., Cornell University, Geneva, NY Mitchell, D. J., University of Florida, GainesvilleHuang, J.-s., North Carolina State University, Raleigh Mohan, S. K., University of Idaho, ParmaHuber, D., Purdue University, West Lafayette, IN Moore, L., Oregon State University, CorvallisHughes, G., University of Edinburgh, Edinburgh, Scotland Morris, T. J., University of Nebraska, LincolnHunter, J. E., Cornell University, Geneva, NY Mortensen, K., Agriculture Canada, Regina, SaskatchewanHussey, R. S., University of Georgia, Athens Moyer, J. W., North Carolina State University, RaleighJanisiewicz, W. J., USDA-ARS, Kearneysville, WV Mundt, C. C., Oregon State University, CorvallisJeffers, S., University of Wisconsin, Madison Murray, T. D., Washington State University, PullmanJewell, F. F., Lousiana Tech. University, Ruston Nault, L. R., Ohio State University, WoosterJohnson, C. S., Southern Piedmont Ag. Exp. Sta., Blackstone, VA Nelson, E. B., Cornell University, Ithaca, NYJones, A. L., Michigan State University, East Lansing Nelson, G. A., Agriculture Canada, Lethbridge, AlbertaJones, J. P., Gulf Coast Research and Extension Center, Bradenton, Nelson, M. R., University of Arizona, Tucson

FL Nelson, P., Pennsylvania State University, University ParkJones, R. K., Texas A&M University, College Station Nemec, S., USDA-ARS, Orlando, FLJorgenson, J. H., Riso National Lab, Roskilde, Denmark Notermans, S., Nat. Inst. Public Health & Environmental Hygiene,Kaesberg, P., University of Wisconsin, Madison Bilthoven, The NetherlandsKaper, J., USDA-ARS, Beltsville, MD Nutter, F. W., Jr., Iowa State University, AmesKatan, T., Volcani Center, Bet Dagan, Israel Ouellette, G. B., Centre de Res For. des Laur., Sainte-Foy, Quebec,Keen, N. T., University of California, Riverside CanadaKeinath, A. P., USDA-ARS, Beltsville, MD Owens, R. A., USDA-ARS, Beltsville, MDKenerley, C. M., Texas A&M University, College Station Ownley, B. H., USDA-ARS, Pullman, WAKennedy, G., North Carolina State University, Raleigh Panabieres, F., Inst. Nat. Rech. Agron., Villa Thuret, Antibes, FranceKim, K. S., University of Arkansas, Fayetteville Parke, J. L., University of Wisconsin, MadisonKinkel, L., University of Minnesota, St. Paul Pataky, J., University of Illinois, UrbanaKirkpatrick, B. C., University of California, Davis Paulitz, T., MacDonald College, St. Anne de Bellevue, CanadaKistler, H. C., University of Florida, Gainesville Payne, G. A., North Carolina State University, RaleighKloepper, J. W., Auburn University, Auburn Pearson, R. C., Cornell University, Geneva, NYKoeller, W., Cornell University, Geneva, NY Pennypacker, B. W., Pennsylvania State University, University ParkKoenig, R., Biologische Bundesanstalt, Plant Virus Inst., Braunschweig, Pennypacker, S. P., Pennsylvania State University, University Park

West Germany Pepin, H. S., Agriculture Canada, Vancouver, British ColumbiaKolmer, J. A., Agriculture Canada, Winnipeg, Manitoba Peterson, J. L., Rutgers University, New Brunswick, NJKotcon, J., West Virginia State University, Morgantown Pfender, W., Kansas State University, ManhattanKrupinsky, J. M., USDA-ARS, Mandan, ND Phillips, D. J., USDA-ARS, Fresno, CAKut, J., University of Kentucky, Lexington Pinkas, J., Volcani Inst. Ag. Research, Bet Dagan, IsraelKuhlman, E. G., Southeastern For. Exp. Station, Athens, GA Pirone, T., University of Kentucky, Lexington

2 PHYTOPATHOLOGY

Pope, D. D., University of Georgia, Athens Stavely, J. R., USDA-ARS, Beltsville, MDPowell, C. A., AREC, Ft. Pierce, FL Stevenson, W., University of Wisconsin, MadisonProvvidenti, R., Cornell University, Geneva, NY Strandberg, J. 0., University of Florida, SanfordPrusky, D., Volcani Center, Bet Dagan, Israel Stuteville, D. L., Kansas State University, ManhattanPuhalla, J. E., University of California, Berkeley Stutz, J. C., Arizona State University, TempePurcifull, D. E., University of Florida, Gainesville Sundquiste, B., University of Minnesota, St. PaulRaccah, B., Oregon State University, Corvallis Suslow, T. V., Advanced Genetic Sciences, Inc., Oakland, CARamsdell, D., Michigan State University, East Lansing Sutton, J. C., University of Guelph, Guelph, Ontario, CanadaReddick, B. B., University of Tennessee, Knoxville Sutton, T. B., North Carolina State University, RaleighReeleder, R. D., Agriculture Canada, Delhi, Ontario Symons, R. H., University of Adelaide, Adelaide, AustraliaReynolds, K. M., U.S. Forest Service, Anchorage, AL Szabo, L., USDA-ARS, University of Minnesota, St. PaulRistaino, J. B., North Carolina State University, Raleigh Tauer, L. W., Cornell University, Ithaca, NYRitchie, D. F., North Carolina State University, Raleigh Tavantzis, S. M., University of Maine, OronoRoberts, R. G., USDA-ARS, Wenatchee, WA TeBeest, D., University of Arkansas, FayettevilleRochon, D. M., Agriculture Canada, Vancouver, British Columbia Thakur, R. P., ICRISAT, Patancheru, Andhra Pradesh, IndiaRodriguez, R. J., University of California, Riverside Thal, W. M., USDA-ARS, Oxford, NCRoelfs, A. P., USDA-ARS, University of Minnesota, St. Paul Thomashow, L. S., USDA-ARS, Washington State University, PullmanRogers, S., SUNY, Syracuse, NY Timmer, L. W., University of Florida, Lake AlfredRosenkranz, E. E., Mississippi State University, Mississippi State Tolin, S. E., VPI & SU, Blacksburg, VARowe, R. C., Ohio State University, Wooster Triantaphyllou, A. A., North Carolina State University, RaleighRoyer, M. H., USDA-ARS, Frederick, MD Tsao, P. H., University of California, RiversideRoyse, D. J., Pennsylvania State University, University Park Upchurch, R. G., North Carolina State University, RaleighRufty, R. C., North Carolina State University, Raleigh Upper, C. D., University of Wisconsin, MadisonRupe, J. C., University of Arkansas, Fayetteville Valverde, R. A., Lousiana State University, Baton RougeRush, C. M., Texas Agric. Exp. Station, Bushland Van Alfen, N. K., Texas A&M University, College StationSands, D. C., Montana State University, Bozeman Van Loon, L. C., Agricultural University, Wageningen, The NetherlandsSchaad, N. W., Harris Moran Seed Co., Bautista, CA van Steekelenburg, N. A. M., Res. Inst. Plant Protection, Wageningen,Schenck, N. C., University of Florida, Gainesville The NetherlandsSchneider, R. W., Lousiana State University, Baton Rouge Vidaver, A. K., University of Nebraska, LincolnSchroth, M. N., University of California, Berkeley Vilgalys, R. J., Duke University, Durham, NCSchwartz, H., Colorado State University, Ft. Collins Von Broembsen, S., Oklahoma State University, StillwaterSchwenk, F. W., Kansas State University, Manhattan Ward, E. W. B., Agriculture Canada, London, OntarioScott, G. E., USDA-ARS, Mississippi State, MS Wargo, P. M., U.S. Forest Service, Hamden, CTSeem, R. C., Cornell University, Geneva, NY Webster, J. M., Simon Fraser University, Burnaby, British Columbia,Shaner, G., Purdue University, West Lafayette, IN CanadaShaw, D., School of Plant Biology, Wales, Bangor, U.K. Weidensaul, C., Ohio State University, WoosterShaw, M., University of Reading, Whiteknights, London, England Weller, D. M., USDA-ARS, Washington State University, PullmanSherwood, J. L., Oklahoma State University, Stillwater Welty, R. E., USDA-ARS, Corvallis, ORShew, B., North Carolina State University, Raleigh Welz, G., Universitat Hohenheim, Stuttgart, West GermanyShortle, W. C., NEFES, Durham, NH Whitney, E. D., USDA-ARS, Salinas, CASiegel, M. R., University of Kentucky, Lexington Wicklow, D., USDA-ARS, Peoria, ILSinclair, J. B., University of Illinois, Urbana Wilkinson, H. T., University of Illinois, UrbanaSingleton, L. L., Oklahoma State University, Stillwater Williamson, V., University of California, DavisSkylakakis, G., Victorian Lodge Crimphill, Old Windsor, Berks., U.K Wilson, C. L., USDA-ARS, Kearneysville, WVSlack, S. A., Cornell University, Ithaca, NY Wilson, D., Coastal Plain Exp. Sta., Tifton, GASmith, B. J., USDA-ARS, Poplarville, MS Windels, C., University of Minnesota, CrookstonSmith, V. L., Connecticut Agric. Exp. Station, New Haven Wolfe, M. S., Swiss Federal Inst. Technology, Zurich, SwitzerlandSnow, G. A., Southern Forest Exp. Station, Gulfport, MS Wyatt, S., Washington State University, PullmanSpurr, H. W., Jr., USDA-ARS, Oxford, NC Xiong, Z., North Carolina State University, RaleighStall, R. C., University of Florida, Gainesville Yang, X., Ohio State University, WoosterStanghellini, M. E., University of Arizona, Tucson Young, N., University of Minnesota, St. PaulStaples, R. C., Cornell University, Ithaca, NY Zehr, E. I., Clemson University, Clemson, SCStapleton, J. J., University of California, Modesto Zentmyer, G. A., University of California, RiversideStarr, J. L., Texas A&M University, College Station Zeyen, R. J., University of Minnesota, St. PaulStatler, G. D., North Dakota State University, Fargo

Vol. 81, No. 1, 1991 3