Verticillium wilt of potato – the pathogen, disease and managementFootnote^†

^†Contribution to the symposium “Root Diseases; Challenges and Perspectives” held during the Canadian Phytopathological Society Annual Meeting, 22–25 June 2009, Winnipeg, MB

References

• Alkher , H. , El Hadrami , A. , Rashid , K.Y. , Adam , L.R. and Daayf , F. 2009 . Cross-pathogenicity of Verticillium dahliae between potato and sunflower . Eur. J. Plant Pathol. , 124 : 505 – 519 .
   Web of Science ®Google Scholar
• Arbogast , M. , Powelson , M.L. , Cappaert , M.R. and Watrud , L.S. 1999 . Response of six potato cultivars to amount of applied water and Verticillium dahliae . Phytopathology , 89 : 782 – 788 .
   Google Scholar
• Atallah , Z.K. , Bae , J. , Jansky , S.H. , Rouse , D.I. and Stevenson , W.R. 2007 . Multiplex real-time quantitative PCR to detect and quantify Verticillium dahliae colonization in potato lines that differ in response to Verticillium wilt . Phytopathology , 97 : 865 – 872 .
   PubMed Web of Science ®Google Scholar
• Bae , J. , Atallah , Z.K. , Jansky , S.H. , Rouse , D.I. and Stevenson , W.R. 2007 . Colonization dynamics and spatial progression of Verticillium dahliae in individual stems of two potato cultivars with differing responses to potato early dying . Plant Dis. , 91 : 1137 – 1141 .
   Google Scholar
• Barasubiye , T. , Parent , J.G. , Hamelin , R.C. , Laberge , S. , Richard , C. and Dostaler , D. 1995 . Discrimination between alfalfa and potato isolates of Verticillium albo-atrum using RAPD markers . Mycol. Res. , 99 : 1507 – 1512 .
   Google Scholar
• Baribeau , B. 1952 . Verticillium wilt and seed potato certification . Am. J. Potato Res. , 29 : 157 – 159 .
   Google Scholar
• Benson , D.M. and Ashworth , L.J. Jr. 1976 . Survival of Verticillium albo-atrum on nonsuscept roots and residues in field soil . Phytopathology , 66 : 883 – 887 .
   Google Scholar
• Bhat , R.G. and Subbarao , K.V. 1999 . Host range specificity in Verticillium dahliae . Phytopathology , 89 : 1218 – 1225 .
   PubMed Web of Science ®Google Scholar
• Botseas , D.D. and Rowe , R.C. 1994 . Development of potato early dying in response to infection by two pathotypes of Verticillium dahliae and co-infection by Pratylenchus penetrans . Phytopathology , 84 : 275 – 282 .
   Google Scholar
• Browning , J.A. , Simons , M.D. and Torres , E. 1977 . “ Managing host genes: Epidemiologic and genetic concepts ” . In Plant disease: An advanced treatise , Edited by: Horsfall , J.G. and Cowling , E.B. Vol. I , 191 – 212 . New York : Academic Press .
   Google Scholar
• Busch , L.V. 1973 . Effect of some cropping practices on survival of Verticillium . Am. Potato J. , 50 : 381 – 382 .
   Google Scholar
• Busch , L.V. and Edgington , L.V. 1967 . Correlation of photoperiod with tuberization and susceptibility of potato to Verticillium albo-atrum . Can. J. Bot. , 45 : 691 – 693 .
   Google Scholar
• Busch , L.V. , Smith , E.A. and Njoh-Elango , F. 1978 . The effect of weeds on the value of rotation as a practical control for Verticillium wilt of potato . Can. Potato Dis. Survey , 58 : 61 – 64 .
   Google Scholar
• Caldwell , R.M. , Schafer , J.F. , Compton , L.E. and Patterson , F.L. 1958 . Tolerance to cereal leaf rust . Science , 128 : 714 – 715 .
   PubMedGoogle Scholar
• Cappaert , M.R. , Powelson , M.L. , Christensen , N.W. and Crowe , F.J. 1992 . Influence of irrigation on severity of potato early dying and associated yield loss . Phytopathology , 82 : 1448 – 1453 .
   Google Scholar
• Cappaert , M.R. , Powelson , M.L. , Christensen , N.W. , Stevenson , W.R. and Rouse , D.I. 1994 . Assessment of irrigation as a method of managing potato early dying . Phytopathology , 84 : 792 – 800 .
   Google Scholar
• Carder , J.H. and Barbara , D.J. 1991 . Molecular variation and restriction fragment length polymorphisms (RFLPs) within and between six species of Verticillium . Mycol. Res. , 95 : 935 – 942 .
   Web of Science ®Google Scholar
• Chang , R.J. and Eastburn , D.M. 1994 . Host range of Verticillium dahliae from horseradish and pathogenicity of strains . Plant Dis. , 78 : 503 – 506 .
   Google Scholar
• Chen , W. 1994 . Vegetative compatibility groups of Verticillium dahliae from ornamental woody plants . Phytopathology , 84 : 214 – 219 .
   Google Scholar
• Collado-Romero , M. , Mercado-Blanco , J. , Olivares-Garcia , C. and Jimenez-Diaz , R.M. 2008 . Phylogenetic analysis of Verticillium dahliae vegetative compatibility groups . Phytopathology , 98 : 1019 – 1028 .
   PubMed Web of Science ®Google Scholar
• Corsini , D.L. , Davis , J.R. and Pavek , J.J. 1985 . Stability of resistance of potato to strains of Verticillium dahliae from different vegetative compatibility groups . Plant Dis. , 69 : 980 – 982 .
   Google Scholar
• Corsini , D.L. , Pavek , J.J. and Davis , J.R. 1988 . Verticillium wilt resistance in noncultivated tuber-bearing Solanum species . Plant Dis. , 72 : 148 – 151 .
   Google Scholar
• Corsini , D.L. , Pavek , J.J. and Davis , J.R. 1990 . Verticillium wilt resistant potato germplasm: A66107-51 and A68113-4 . Am. Potato J. , 67 : 517 – 525 .
   Google Scholar
• Daayf , F. , Nicole , M. , Bélanger , R.R. and Geiger , J.P. 1998 . Hyaline mutants from Verticillium dahliae, an example of selection and characterization of strains for host-parasite interaction studies . Plant Pathol. , 47 : 523 – 529 .
   Web of Science ®Google Scholar
• Daayf , F. , Nicole , M. and Geiger , J.P. 1995 . Differentiation of Verticillium dahliae populations on the basis of vegetative compatibility and pathogenicity on cotton . Eur. J. Plant Pathol. , 101 : 69 – 79 .
   Web of Science ®Google Scholar
• Dan , H. , Ali-Khan , S.T. and Robb , J. 2001 . Use of quantitative PCR diagnostics to identify tolerance and resistance to Verticillium dahliae in potato . Plant Dis. , 85 : 700 – 705 .
   Google Scholar
• Davis , J.R. and Everson , D.O. 1986 . Relation of Verticillium dahliae in soil and potato tissue, irrigation method, and N-fertility to Verticillium wilt of potato . Phytopathology , 76 : 730 – 736 .
   Google Scholar
• Davis , J.R. and Huisman , O.C. 2004 . Comments on the feature “Potato early dying: Management challenges in a changing production environment” . Plant Dis. , 88 : 1168 – 1171 .
   Google Scholar
• Davis , J.R. , Huisman , O.C. , Westermann , D.T. , Hafez , S.L. , Everson , D.O. , Sorensen , L.H. and Schneider , A.T. 1996 . Effects of green manures on Verticillium wilt of potato . Phytopathology , 86 : 444 – 453 .
   Web of Science ®Google Scholar
• Davis , J.R. , Pavek , J.J. and Corsini , D.L. 1983 . A sensitive method for quantifying Verticillium dahliae colonization in plant tissue and evaluating resistance among potato genotypes . Phytopathology , 73 : 1009 – 1014 .
   Web of Science ®Google Scholar
• Davis , J.R. , Pavek , J.J. , Corsini , D.L. , Sorensen , L.H. , Schneider , A.T. , Everson , D.O. , Westerman , D.T. and Huisman , O.C. 1994 . Influence of continuous cropping of several potato clones on the epidemiology of Verticillium wilt of potato . Phytopathology , 84 : 207 – 214 .
   Web of Science ®Google Scholar
• Dobinson , K.F. , Harrington , M.A. , Omer , M. and Rowe , R.C. 2000 . Molecular characterization of vegetative compatibility group 4A and 4B isolates of Verticillium dahliae associated with potato early dying . Plant Dis. , 84 : 1241 – 1245 .
   Web of Science ®Google Scholar
• Douhan , L.I. and Johnson , D.A. 2001 . Vegetative compatibility and pathogenicity of Verticillium dahliae from spearmint and peppermint . Plant Dis. , 85 : 297 – 302 .
   Web of Science ®Google Scholar
• Dung , J.K.S. 2009 . Relative roles of tuber- and soilborne inoculum in Verticillium wilt of potato and quantification of resistance in mint , Pullman, WA : M.S. Thesis. Dept. of Plant Pathology. Washington State University .
   Google Scholar
• Easton , G.D. , Nagle , M.E. and Bailey , D.L. 1969 . A method of estimating Verticillium albo-atrum propagules in field soil and irrigation waste water . Phytopathology , 59 : 1171 – 1172 .
   Google Scholar
• Easton , G.D. , Nagle , M.E. and Bailey , D.L. 1972 . Verticillium albo-atrum carried by certified seed potatoes into Washington and control by chemicals . Am. Potato J. , 49 : 397 – 402 .
   Google Scholar
• Easton , G.D. , Nagle , M.E. and Seymour , M.D. 1992 . Potato production and incidence of Verticillium dahliae following rotation to nonhost crops and soil fumigation in the state of Washington . Am. Potato J. , 69 : 489 – 502 .
   Google Scholar
• Ebihara , Y. , Nagao , H. , Koike , M. , Shiraishi , T. and Iijima , T. 1999 . How do Japanese isolates of Verticillium dahliae correspond with standardized VCG testers? . Mycoscience , 40 : 333 – 343 .
   Google Scholar
• El Hadrami , A. , Wally , O. , Adam , L.R. and Daayf , F. 2007 . PCR-based determination of colonization patterns during potato tuber infection by single and multiple pathogens . Eur. J. Plant Pathol. , 117 : 201 – 218 .
   Google Scholar
• Elmer , W.H. and Ferrandino , F.J. 2009 . Suppression of Verticillium wilt of eggplant by earthworms . Plant Dis. , 93 : 485 – 489 .
   Google Scholar
• Emmaty , D.A. and Green , R.J. Jr. 1969 . Fungistasis and the behavior of the microsclerotia of Verticillium albo-atrum in soil . Phytopathology , 59 : 1590 – 1595 .
   Google Scholar
• Evans , G. , Snyder , W.C. and Wilhelm , S. 1966 . Inoculum increase of the Verticillium wilt fungus in cotton . Phytopathology , 56 : 590 – 594 .
   Web of Science ®Google Scholar
• Evans , G. , Wilhelm , S. and Snyder , W.C. 1967 . Quantitative studies by plate counts of propagules of the Verticillium wilt fungus in cotton field soils . Phytopathology , 57 : 1250 – 1255 .
   Google Scholar
• Ewing , E. 1981 . Heat stress and the tuberization stimulus . Am. J. Potato Res. , 58 : 31 – 49 .
   Web of Science ®Google Scholar
• Eynck , C. , Koopmann , B. , Grunewaldt-Stoecker , G. , Karlovsky , P. and von Tiedemann , A. 2007 . Differential interactions of Verticillium longisporum and V. dahliae with Brassica napus detected with molecular and histological techniques . Eur. J. Plant Pathol. , 118 : 259 – 274 .
   Web of Science ®Google Scholar
• Fahleson , J. , Hu , Q. and Dixelius , C. 2004 . Phylogenetic analysis of Verticillium species based on nuclear and mitochondrial sequences . Arch. Microbiol. , 181 : 435 – 442 .
   PubMed Web of Science ®Google Scholar
• Farley , J.D. , Wilhelm , S. and Snyder , W.C. 1971 . Repeated germination and sporulation of microsclerotia of Verticillium albo-atrum in soil . Phytopathology , 61 : 260 – 264 .
   Web of Science ®Google Scholar
• Fradin , E.F. and Thomma , B.P.H.J. 2006 . Physiology and molecular aspects of Verticillium wilt diseases caused by V. dahliae and V. albo-atrum . Mol. Plant Pathol. , 7 : 71 – 86 .
   PubMed Web of Science ®Google Scholar
• Francl , L.J. , Madden , L.V. , Rowe , R.C. and Riedel , R.M. 1990 . Correlation of growing season environmental variables and the effect of early dying on potato yield . Phytopathology , 80 : 425 – 432 .
   Web of Science ®Google Scholar
• Fry , W.E. 1982 . Principles of plant disease management , New York : Academic Press .
   Google Scholar
• Green , R.J. Jr. 1969 . Survival and inoculum potential of conidia and microsclerotia of Verticillium albo-atrum in soil . Phytopathology , 59 : 874 – 876 .
   Web of Science ®Google Scholar
• Green , R.J. Jr. 1980 . Soil factors affecting survival of microsclerotia of Verticillium dahliae . Phytopathology , 70 : 353 – 355 .
   Web of Science ®Google Scholar
• Greenberger , A. , Yogev , A. and Katan , J. 1987 . Induced suppressiveness in solarized soils . Phytopathology , 77 : 1663 – 1667 .
   Web of Science ®Google Scholar
• Gudmestad , N.C. 2008 . “ Potato health from sprouting to harvest ” . In Potato health management , 2nd , Edited by: Johnson , D.A. 67 – 77 . St. Paul, MN : American Phytopathological Society (APS) Press .
   Google Scholar
• Hamm , P.B. , Boydson , R.A. , Hoy , C.W. , Stevenson , W.R. and Hutchinson , P.J.S. 2008 . “ Applying pesticides ” . In Potato health management , 2nd , Edited by: Johnson , D.A. 113 – 121 . St. Paul, MN : American Phytopathological Society (APS) Press .
   Google Scholar
• Hoyman , W.G. 1974 . Consequence of planting Norgold Russet seed infected with Verticillium albo-atrum . Am. Potato J. , 51 : 22 – 25 .
   Google Scholar
• Hoyos , G.P. , Zambino , P.J. and Anderson , N.A. 1991 . An assay to quantify vascular colonization of potato by Verticillium dahliae . Am. Potato J. , 68 : 727 – 742 .
   Google Scholar
• Huisman , O.C. and Ashworth , L.J. Jr. 1976 . Influence of crop rotation on the survival of Verticillium albo-atrum in soils . Phytopathology , 66 : 978 – 981 .
   Google Scholar
• Isaac , I. 1949 . A comparative study of pathogenic isolates of Verticillium . Trans. Br. Mycol. Soc. , 32 : 137 – 157 .
   Google Scholar
• Isaac , I. and Harrison , J.A.C. 1968 . The symptoms and causal agents of early-dying disease (Verticillium wilt) of potatoes. . Ann. Appl. Biol , 61 : 231 – 244 .
   Google Scholar
• Joaquim , T.R. and Rowe , R.C. 1991 . Vegetative compatibility and virulence of strains of Verticillium dahliae from soil and potato plants . Phytopathology , 81 : 552 – 558 .
   Web of Science ®Google Scholar
• Joaquim , T.R. , Smith , V.L. and Rowe , R.C. 1988 . Seasonal variation and effects of wheat rotation on populations of Verticillium dahliae Kleb. in Ohio potato field soils . Am. Potato J. , 65 : 439 – 447 .
   Google Scholar
• Johnson , D.A. and Gilmore , E.C. 1980 . “ Breeding for resistance to pathogens in wheat ” . In Biology and breeding for resistance to arthropods and pathogens in agricultural plants , Edited by: Harris , M.K. 263 – 275 . College Station, TX : Texas A&M University .
   Google Scholar
• Johnson , D.A. and Miliczky , E.R. 1993 . Distribution and development of black dot, Verticillium wilt, and powdery scab on Russet Burbank potatoes in Washington State . Plant Dis. , 77 : 74 – 79 .
   Google Scholar
• Johnson , D.A. and Rowe , R.C. 2008 . “ Preface ” . In Potato health management , 2nd , Edited by: Johnson , D.A. v – vi . St. Paul, MN : American Phytopathological Society (APS) Press .
   Google Scholar
• Johnson , D.A. and Santo , G.S. 2001 . Development of wilt in mint in response to infection by two pathotypes of Verticillium dahliae and co-infection by Pratylenchus penetrans . Plant Dis. , 85 : 1189 – 1192 .
   Web of Science ®Google Scholar
• Johnson , D.A. , Zhang , H. and Alldredge , J.R. 2006 . Spatial pattern of Verticillium wilt in commercial mint fields . Plant Dis. , 90 : 789 – 797 .
   Google Scholar
• Johnson , K.B. , Radcliffe , E.B. and Teng , P.S. 1986 . Effects of interacting populations of Alternaria solani, Verticillium dahliae, and the potato leafhopper (Empoasca fabae) on potato yield . Phytopathology , 76 : 1046 – 1052 .
   Web of Science ®Google Scholar
• Kageyama , K. , Komatsu , T. and Suga , H. 2003 . Refined PCR protocol for detection of plant pathogens in soil . J. Gen. Plant Pathol. , 69 : 153 – 160 .
   Google Scholar
• Katan , J. 1981 . Solar heating (solarization) of soil for control of soilborne pests . Ann. Rev. Phytopathol. , 19 : 211 – 236 .
   Web of Science ®Google Scholar
• Kinkel , L. 2008 . “ Soil health: Managing the soil microflora to enhance potato health ” . In Potato health management , 2nd , Edited by: Johnson , D.A. 11 – 14 . St. Paul, MN : American Phytopathological Society (APS) Press .
   Google Scholar
• Komatsu , T. , Sumino , A. and Kageyama , K. 2001 . Characterization of Verticillium dahliae isolates from potato on Hokkaido by Random Amplified Polymorphic DNA (RAPD) and REP-PCR Analyses . J. Gen. Plant Pathol. , 67 : 23 – 27 .
   Google Scholar
• Korolev , N. , Katan , J. and Katan , T. 2000 . Vegetative compatibility groups of Verticillium dahliae in Israel: Their distribution and association with pathogenicity . Phytopathology , 90 : 529 – 536 .
   PubMed Web of Science ®Google Scholar
• Krikun , J. and Orion , D. 1979 . Verticillium wilt of potato: Importance and control . Phytoparasitica , 7 : 107 – 116 .
   Web of Science ®Google Scholar
• Lacy , M.L. and Horner , C.E. 1966 . Behavior of Verticillium dahliae in the rhizosphere and on roots of plants susceptible, resistant, and immune to wilt . Phytopathology , 56 : 427 – 430 .
   Google Scholar
• La Mondia , J.A. , Gent , M.P.N. , Ferrandino , F.J. , Elmer , W.H. and Stoner , K.A. 1999 . Effect of compost amendment or straw mulch on potato early dying disease . Plant Dis. , 83 : 361 – 366 .
   PubMed Web of Science ®Google Scholar
• Lazarovits , G. , Tenuta , M. and Conn , K.L. 2001 . Organic amendments as a disease control strategy for soil-borne diseases of high-value agricultural crops . Austral. Plant Pathol. , 30 : 111 – 117 .
   Web of Science ®Google Scholar
• Mahuku , G.S. and Platt , H.W. 2002 . Quantifying Verticillium dahliae in soils collected from potato fields using a competitive PCR assay . Am. J. Potato Res. , 79 : 107 – 117 .
   Google Scholar
• McLean , J.G. 1955 . Selecting and breeding potatoes for field resistance to Verticillium wilt in Idaho . Univ. of Idaho Res. Bull. , 30
   Google Scholar
• Menzies , J.D. and Griebel , G.E. 1967 . Survival and saprophytic growth of Verticillium dahliae in uncropped soil . Phytopathology , 57 : 703 – 709 .
   Web of Science ®Google Scholar
• Mohan , S.K. , Davis , J.R. , Corsini , D.L. , Sorensen , L.H. and Pavek , J.J. 1990 . Reaction of potato clones and accessions of Solanum spp. to Verticillium dahliae Kleb. and its toxin . Potato Res. , 33 : 449 – 458 .
   Google Scholar
• Mohan , S.K. , Davis , J.R. , Sorensen , L.H. and Schneider , A.T. 1992 . Infection of aerial parts of potato plants by Colletotrichum coccodes and its effects on premature death and yield . Am. Potato J. , 69 : 547 – 559 .
   Web of Science ®Google Scholar
• Mol , L. 1995 . Effect of plant roots on the germination of microsclerotia of Verticillium dahliae . Eur. J. Plant Pathol. , 101 : 679 – 685 .
   Google Scholar
• Nachmias , A. and Krikun , J. 1984 . Transmission of Verticillium dahliae in potato tubers . Phytopathology , 74 : 535 – 537 .
   Google Scholar
• Nicot , P.C. and Rouse , D.I. 1987 . Relationship between soil inoculum density of Verticillium dahliae and systemic colonization of potato stems in commercial fields over time . Phytopathology , 77 : 1346 – 1355 .
   Web of Science ®Google Scholar
• Nielsen , L.W. 1948 . Verticillium wilt of potatoes in Idaho . Univ. of Idaho Res. Bull ,
   Google Scholar
• Nnodu , E.C. and Harrison , M.D. 1979 . The relationship between Verticillium albo-atrum inoculum density and potato yield . Am. J. Potato Res. , 56 : 11 – 25 .
   Google Scholar
• Omer , M.A. , Johnson , D.A. , Douhan , L.I. , Hamm , P.B. and Rowe , R.C. 2008 . Detection, quantification, and vegetative compatibility of Verticillium dahliae in potato and mint production soils in the Columbia Basin of Oregon and Washington . Plant Dis. , 92 : 1127 – 1131 .
   Web of Science ®Google Scholar
• Omer , M.A. , Johnson , D.A. and Rowe , R.C. 2000 . Recovery of Verticillium dahliae from North American certified seed potatoes and characterization of strains by vegetative compatibility and aggressiveness . Am. J. Potato Res. , 77 : 325 – 331 .
   Web of Science ®Google Scholar
• O'Sullivan , J. 1978 . Effects of rotation and nitrogen on yield and quality of potatoes . Can. J. Plant Sci. , 58 : 475 – 483 .
   Google Scholar
• Pantou , M.P. , Strunnikova , O.K. , Shakhnazarova , V.Y. , Vishnevskaya , N.A. , Papalouka , V.G. and Typas , M.A. 2005 . Molecular and immunochemical phylogeny of Verticillium species . Mycol. Res. , 109 : 889 – 902 .
   Google Scholar
• Pavek , J.J. and Corsini , D.L. 1994 . “ Inheritance of resistance to warm-growing-season fungal diseases ” . In Potato genetics , Edited by: Bradshaw , J.E. and Mackay , G.R. 403 – 409 . Wallingford : CABI .
   Google Scholar
• Powelson , M.L. and Rowe , R.C. 1993 . Biology and management of early dying of potatoes . Annu. Rev. Phytopath. , 31 : 111 – 126 .
   Google Scholar
• Powelson , M.L. and Rowe , R.C. 2008 . “ Managing diseases caused by seedborne and soilborne fungi and fungus-like pathogens ” . In Potato health management , 2nd , Edited by: Johnson , D.A. 183 – 195 . St. Paul, MN : American Phytopathological Society (APS) Press .
   Google Scholar
• Qin , Q.M. , Vallad , G.E. , Wu , B.M. and Subbarao , K.V. 2006 . Phylogenetic analyses of phytopathogenic isolates of Verticillium spp . Phytopathology , 96 : 582 – 592 .
   PubMed Web of Science ®Google Scholar
• Robinson , D.B. and Ayers , G.W. 1961 . Verticillium wilt of potato in relation to vascular infection of the tuber . Can. J. Plant Sci. , 41 : 703 – 708 .
   Google Scholar
• Rowe , R.C. , Davis , J.R. , Powelson , M.L. and Rouse , D.I. 1987 . Potato early dying: Causal agents and management strategies . Plant Dis. , 71 : 482 – 489 .
   Web of Science ®Google Scholar
• Rowe , R.C. and Powelson , M.L. 2002 . Potato early dying: Management challenges in a changing production environment . Plant Dis. , 86 : 1184 – 1190 .
   PubMed Web of Science ®Google Scholar
• Rowe , R.C. and Powelson , M.L. 2004 . Authors’ response to the letter from Davis and Huisman commenting on “Potato early dying: Management challenges in a changing production environment” . Plant Dis. , 88 : 1172 – 1173 .
   Google Scholar
• Rowe , R.C. and Powelson , M.L. 2008 . “ Potato health management: A holistic approach ” . In Potato health management , 2nd , Edited by: Johnson , D.A. 1 – 5 . St. Paul, MN : American Phytopathological Society (APS) Press .
   Google Scholar
• Rowe , R.C. , Riedel , R.M. and Martin , M.J. 1985 . Synergistic interactions between Verticillium dahliae and Pratylenchus penetrans in potato early dying disease . Phytopathology , 75 : 412 – 418 .
   Web of Science ®Google Scholar
• Schnathorst , W.C. 1981 . “ Life cycle and epidemiology of Verticillium ” . In Fungal wilt diseases of plants , Edited by: Mace , M.E. , Bell , A.A. and Beckman , C.H. 81 – 111 . New York : Academic Press .
   Google Scholar
• Skotland , C.B. 1971 . Pathogenic and non-pathogenic Verticillium spp. from South Central Washington . Phytopathology , 61 : 435 – 436 .
   Google Scholar
• Slattery , R.J. 1981 . Inoculum potential of Verticillium-infested potato cultivars . Am. Potato J. , 58 : 135 – 142 .
   Google Scholar
• Slattery , R.J. and Eide , C.J. 1980 . Prevalence of Verticillium wilt in potatoes in the Red River Valley area of Minnesota . Am. Potato J. , 57 : 293 – 299 .
   Google Scholar
• Smith , V.L. and Rowe , R.C. 1984 . Characteristics and distribution of propagules of Verticillium dahliae in Ohio potato field soils and assessment of two assay methods . Phytopathology , 74 : 553 – 556 .
   Web of Science ®Google Scholar
• Subbarao , K.V. and Hubbard , J.C. 1996 . Interactive effects of broccoli residue and temperature on Verticillium dahliae microsclerotia in soil and on wilt in cauliflower . Phytopathology , 86 : 1303 – 1310 .
   Web of Science ®Google Scholar
• Subbarao , K.V. , Kabir , Z. , Martin , F.N. and Koike , S.T. 2007 . Management of soilborne diseases in strawberry using vegetable rotations . Plant Dis. , 91 : 964 – 972 .
   PubMed Web of Science ®Google Scholar
• Susnoschi , M. , Krikun , J. and Zuta , Z. 1976 . Trial of common potato varieties in relation to their susceptibility to Verticillium wilt . Potato Res. , 19 : 343 – 334 .
   Google Scholar
• Tenuta , M. and Lazarovits , G. 2002 . Ammonia and nitrous acid from nitrogenous amendments kill the microsclerotia of Verticillium dahliae . Phytopathology , 92 : 255 – 264 .
   PubMed Web of Science ®Google Scholar
• Thanassoulopoulos , C.C. and Hooker , W.J. 1968 . Factors influencing infection of field grown potato by Verticillium albo-atrum . Am. J. Potato Res. , 45 : 203 – 216 .
   Google Scholar
• Tsror (Lahkim) , L. , Aharon , M. and Erlich , O. 1999 . Survey of bacterial and fungal seedborne diseases in imported and domestic potato seed tubers . Phytoparasitica , 27 : 215 – 226 .
   Google Scholar
• Vallad , G.E. and Subbarao , K.V. 2008 . Colonization of resistant and susceptible lettuce cultivars by a green fluorescent protein-tagged isolate of Verticillium dahliae . Phytopathology , 98 : 871 – 885 .
   PubMed Web of Science ®Google Scholar
• Van der Plank , J.E. 1963 . Plant diseases: Epidemics and control , New York : Academic Press .
   Google Scholar
• Weising , K. , Nybom , H. , Wolff , K. and Kahl , G. 2005 . DNA fingerprinting in plants: Principles, methods, and applications , 2nd , Boca Raton, FL : CRC Press .
   Google Scholar
• Xiao , C.L. and Subbarao , K.V. 1998 . Relationships between Verticillium dahliae inoculum density and wilt incidence, severity, and growth of cauliflower . Phytopathology , 88 : 1108 – 1115 .
   PubMed Web of Science ®Google Scholar
• Xiao , C.L. , Subbarao , K.V. , Schulbach , K.F. and Koike , S.T. 1998 . Effects of crop rotation and irrigation of Verticillium dahliae microsclerotia in soil and wilt in cauliflower . Phytopathology , 88 : 1046 – 1055 .
   PubMed Web of Science ®Google Scholar
• Zare , R. , Gams , W. and Schroers , H.J. 2004 . The type species of Verticillium is not congeneric with the plant-pathogenic species placed in Verticillium and it is not the anamorph of ‘Nectria’ inventa . Mycol. Res. , 108 : 576 – 582 .
   Google Scholar