Biorational approaches to disease management in apples

Biorational Tree Fruit Pest Management

Volumn , Issue , 2009, Pages 214-252

  Cooley, Daniel R ^a  

^a UNIVERSITY OF MASSACHUSETTS   (United States)

Author keywords

[No Author keywords available]

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EID: 84857603490     PISSN: None     EISSN: None     Source Type: Book    
DOI: None     Document Type: Chapter

References (261)

1. Agnello, A.M., Reissig, W.H., Kovach, J. and Nyrop, J.P. (2003) Integrated apple pest management in New York State using predatory mites and selective pesticides. Agriculture Ecosystems and Environment 94, 183-195.
2. Agrios, G.N. (2005) Plant Pathology. Elsevier Academic Press, Burlington, Massachusetts.
3. Aldwinckle, H.S. and Penev, R. (2004) Field evaluation of materials for control of fire blight infection of apple blossoms, 2003. Fungicide and Nematicide Tests. Report 59 PF016. DOI:10.1094/FN59.
4. Aldwinckle, H.S., Pearson, R.C. and Seem, R.C. (1980) Infection periods of Gymnosporangium juniperi-virginianae on apple. Phytopathology 70, 1070-1073.
5. Aldwinckle, H.S., Gustafson, H.L., Heidenreich, G., Penev, R. and LoGiudice, N. (2002) Field evaluation of materials for control of fire blight infection of apple blossoms, 2001. Fungicide and Nematicide Tests. Report 57 PF01. DOI:10.1094/FN57.
6. Arauz, L.F. and Sutton, T.B. (1989) Temperature and wetness duration requirements for apple infection by Botryosphaeria obtusa. Phytopathology 79, 440-444.
7. Autio, W.R. and Southwick, F. (1986) The effects of rootstock and root-interstem combination on the growth, productivity, and anchorage of a spur and standard strain Delicious apple tree. Fruit Varieties Journal 40, 128-133.
8. Babadoost, M., McManus, P.S., Helland, S.N. and Gleason, M.L. (2004) Evaluating a wetness-based warning system and reducedrisk fungicides to manage sooty blotch and flyspeck of apple. HortTechnology 14, 51-57.
9. Batzer, J.C., Gleason, M.L., Weldon, B., Dixon, P.M. and Nutter, F.W. (2002) Evaluation of postharvest removal of sooty blotch and flyspeck on apples using sodium hypochlorite, hydrogen peroxide with peroxyacetic acid, and soap. Plant Disease 86, 1325-1332.
10. Batzer, J.C., Gleason, M.L., Harrington, T.C. and Tiffany, L.H. (2005) Expansion of the sooty blotch and flyspeck complex on apples based on analysis of ribosomal DNA gene sequences and morphology. Mycologia 97, 1268-1286.
11. Batzer, J.C., Gleason, M.L., Taylor, S.E., Koehler, K.J. and Monteiro, J. (2008) Spatial heterogeneity of leaf wetness duration in apple trees and its influence on performance of a warning system for sooty blotch and flyspeck. Plant Disease 92, 164-170.
12. Batzer, J.C., Gleason, M.L., Taylor, S.E., Koehler, K.J. and Monteiro, J. (2008) Spatial heterogeneity of leaf wetness duration in apple trees and its influence on performance of a warning system for sooty blotch and flyspeck. Plant Disease 92, 164-170.
13. Becker, C.M., Burr, T.J. and Smith, C.A. (1992) Overwintering of conidia of Venturia inaequalis in apple buds in New York orchards. Plant Disease 76, 121-126.
14. Belfanti, E., Silfverberg-Dilworth, E., Tartarini, S., Patocchi, A., Barbieri, M., Zhu, J., Vinatzer, B.A., Gianfranceschi, L., Gessler, C. and Sansavini, S. (2004) The HcrVf2 gene from a wild apple confers scab resistance to a transgenic cultivated variety. Proceedings of the National Academy of Sciences of the United States of America 101, 886-890.
15. Benbrook, C.M. (1996) Pest Management at the Crossroads. Consumers Union of United States, Inc, Yonkers, New York.
16. TM. International Journal of Pest Management 49, 243-249.
17. Biggs, A.R. (1999) Effects of calcium salts on apple bitter rot caused by two Colletotrichum spp. Plant Disease 83, 1001-1005.
18. Biggs, A.R. (2004) Effect of inoculum concentration and calcium salts on infection of apple fruit by Botryosphaeria dothidea. Plant Disease 88, 147-151.
19. Biggs, A.R., Ingle, M. and Solihati, W.D. (1993) Control of Alternaria infection of fruit of apple cultivar Nittany with calcium chloride and fungicides. Plant Disease 77, 976-980.
20. Biggs, A.R., Hogmire, H.W. and Collins, A.R. (2000) Assessment of an alternative IPM program for the production of apples for processing. Plant Disease 84, 1140-1146.
21. Billing, E. (1999) Fire blight assessment: Billing's integrated system (BIS) and its evaluation. Acta Horticulturae 489, 399-405.
22. Billing, E. (2007) Challenges in adaptation of plant disease warning systems to new locations: re-appraisal of Billing's integrated system for predicting fire blight in a warm dry environment. Phytopathology 97, 1036-1039.
23. Blend, J.R. and van Ravenswaay, E.O. (1999) Measuring consumer demand for ecolabeled apples. American Journal of Agricultural Economics 81, 1072-1077.
24. Bowles, R.G. and Webster, J.P.G. (1995) Some problems associated with the analysis of the costs and benefits of pesticides. Crop Protection 14, 593-600.
25. Brisset, M.N., Cesbron, S., Thomson, S.V. and Paulin, J.P. (2000) Acibenzolar-S-methyl induces the accumulation of defense-related enzymes in apple and protects from fire blight. European Journal of Plant Pathology 106, 529-536.
26. Brown, E.M. and Sutton, T.B. (1995) An empirical model for predicting the first symptoms of sooty blotch and flyspeck of apples. Plant Disease 79, 1165-1168.
27. Brown, S.K. and Terry, D.E. (1997) The Cornell University apple breeding program: past, present, and future. Fruit Varieties Journal 51, 199-204.
28. Brown, S.K., Maloney, K.E., Hemmat, M. and Aldwinckle, H.S. (2004) Apple breeding at Cornell: genetic studies of fruit quality, scab resistance and plant architecture. Acta Horticulturae 663, 693-697.
29. Brunner, J., Jones, W., Beers, E., Tangren, G., Dunley, J., Xiao, C. and Grove, G. (2003) A decade of pesticide use and IPM practices in Washington's apple orchards. Agrichemical and Environmental News, 1-15 May. Washington State University.
30. Bunemann, E.K., Schwenke, G.D. and Van Zwieten, L. (2006) Impact of agricultural inputs on soil organisms-a review. Australian Journal of Soil Research 44, 379-406.
31. Caffier, V. and Parisi, L. (2007) Development of apple powdery mildew on sources of resistance to Podosphaera leucotricha, exposed to an inoculum virulent against the major resistance gene Pl-2. Plant Breeding 126, 319-322.
32. Calenge, F., Faure, A., Goerre, M., Gebhardt, C., Van de Weg, W.E., Parisi, L. and Durel, C.E. (2004) Quantitative trait loci (QTL) analysis reveals both broad-spectrum and isolate-specific QTL for scab resistance in an apple progeny challenged with eight isolates of Venturia inaequalis. Phytopathology 94, 370-379.
33. Carisse, O. and Dewdney, M. (2002) A review of non-fungicidal approaches for the control of apple scab. Phytoprotection 83, 1-29.
34. Carisse, O. and Khanizadeh, S. (2006) Relative resistance of newly released apple rootstocks to Phytophthora cactorum. Canadian Journal of Plant Science 86, 199-204.
35. Carisse, O. and Rolland, D. (2004) Effect of timing of application of the biological control agent Microsphaeropsis ochracea on the production and ejection pattern of ascospores by Venturia inaequalis. Phytopathology 94, 1305-1314.
36. Carroll, J. (2007) New York State IPM, Network for Environment and Weather Awareness (http://www.nysipm.cornell.edu/newa/ default.asp, accessed August 2007).
37. Carroll, J.E. and Robinson, T.L. (2006) New York Integrated Fruit Production Protocol for Apples. New York State Agricultural Experiment Station, Geneva, New York.
38. ChandGoyal, T. and Spotts, R.A. (1997) Biological control of postharvest diseases of apple and pear under semi-commercial conditions using three saprophytic yeasts. Biological Control 10, 199-206.
39. Chen, H. and Korban, S.S. (1987) Genetic variability and the inheritance of resistance to cedar-apple rust in apple. Plant Pathology 36, 168-174.
40. Chouinard, G., Vincent, C., Laplante, G. and Morin, Y. (1998) Apple IPM and research at the farm level in Quebec: the Quebec Apple Network. In: Vincent, C. and Smith, R. (eds) Orchard Pest Management in Canada. Agriculture and Agri-Food Canada, Saint-Jean-sur-Richelieu, Quebec, Canada, pp. 33-52.
41. Cline, J.A., Hunter, D.M., Bonn, W.G. and Bijl, M. (2001) Resistance of the Vineland series of apple rootstocks to fire blight caused by Erwinia amylovora. Journal of the American Pomological Society 55, 218-221.
42. Consumers Union (2002) Stemilt (http://www. eco-labels.org/labelPrint.cfm?LabelID=99, accessed September 2007).
43. Conway, W.S., Sams, C.E., Abbott, J.A. and Bruton, B.D. (1991) Postharvest calcium treatment of apple fruit to provide broadspectrum protection against postharvest pathogens. Plant Disease 75, 620-622.
44. Conway, W.S., Leverentz, B., Janisiewicz, W.J., Saftner, R.A. and Camp, M.J. (2005) Improving biocontrol using antagonist mixtures with heat and/or sodium bicarbonate to control postharvest decay of apple fruit. Postharvest Biology and Technology 36, 235-244.
45. Cooley, D.R. and Agnello, A.M. (eds) (2007) 2007 New England Tree-Fruit Pest Management Guide. Cornell Cooperative Extension Geneva, New York.
46. Cooley, D.R. and Autio, W.R. (1997) Diseasemanagement components of advanced integrated pest management in apple orchards. Agriculture Ecosystems and Environment 66, 31-40.
47. Cooley, D.R. and Lerner, S.M. (1994) Summer pruning increases pesticide coverage in apple canopies. Phytopathology 84, 1370.
48. Cooley, D.R. and Manning, W.J. (1995) Estimating the risks and benefits of pesticides-considering the agroecosystem and integrated pest management in the use of EBDC fungicides on apples. Environmental Pollution 88, 315-320.
49. Cooley, D.R., Gamble, J.W. and Autio, W.R. (1997) Summer pruning as a method for reducing flyspeck disease on apple fruit. Plant Disease 81, 1123-1126.
50. Cooley, D.R., Autio, W.R. and Krupa, J. (2007a) Calcium salts and other alternatives to conventional fungicides for management of the summer disease complex of apple, 2006. Plant Disease Management Reports. Rept. 1: PF051 DOI:10.1094/PDMR01.
51. Cooley, D.R., Lerner, S.M. and Tuttle, A.F. (2007b) Maturation of thyriothecia of Schizothyrium pomi on the reservoir host Rubus allegheniensis. Plant Disease 91, 136-141.
52. Crassweller, R. (ed.) (2008) Tree Fruit Production Guide. The Pennsylvania State University, State College, Pennsylvania.
53. Crosby, J.A., Janick, J., Pecknold, P.C., Korban, S.S., O'Connor, P.A., Ries, S.M., Goffreda, J. and Voordeckers, A. (1992) Breeding apples for scab resistance-1945-1990. Fruit Varieties Journal 46, 145-166.
54. Cross, J.V. (2002) Guidelines for integrated production of pome fruits in Europe, 3rd edition. IOBC WPRS Bulletin 25, 1-8.
55. Cummins, J.N. and Aldwinckle, H.S. (1994) Challenges to Malling 9, M.26 and M.7-new rootstocks from Geneva. Compact Fruit Tree 27, 25-27.
56. Dewdney, M.M., Biggs, A.R. and Turechek, W.W. (2007) A statistical comparison of the blossom blight forecasts of MARYBLYT and Cougarblight with receiver operating characteristic curve analysis. Phytopathology 97, 1164-1176.
57. Dufour, R. (2001) Biointensive integrated pest management (IPM). National Center for Appropriate Technology/Appropriate Technology Transfer for Rural Areas (http:// www.attra.ncat.org/attra-pub/ipm.html, accessed 10 March 2008).
58. Durel, C.E., Parisi, L., Laurens, F., Van de Weg, W.E., Liebhard, R. and Jourjon, M.F. (2003) Genetic dissection of partial resistance to race 6 of Venturia inaequalis in apple. Genome 46, 224-234.
59. Ehler, L.E. (2006) Integrated pest management (IPM): definition, historical development and implementation, and the other IPM. Pest Management Science 62, 787-789.
60. Ehret, G.R., Sundin, G.W. and McGhee, G.C. (2007) Efficacy of bacterial antagonists in controlling fire blight on Jonathan apple in 2006. Plant Disease Management Reports. Rept. 1: PF038. DOI:10.1094/PDMR01.
61. Eisler, R. (1998) Copper hazards to fish, wildlife and invertebrates: a synoptic review. Contaminant Hazard Reviews. Patuxent Wildlife Research Center. US Geological Survey, Laurel, Maryland.
62. Ellis, M.A., Madden, L.V. and Wilson, L.L. (1984) Evaluation of an electronic apple scab predictor for scheduling fungicides with curative activity. Plant Disease 68, 1055-1057.
63. Ellis, M.A., Ferree, D.C., Funt, R.C. and Madden, L.V. (1998) Effects of an apple scabresistant cultivar on use patterns of inorganic and organic fungicides and economics of disease control. Plant Disease 82, 428-433.
64. Ellis, M.A., Madden, L.V. and Wilson, L. (1999) Evaluation of an empirical model for predicting sooty blotch and flyspeck of apples in Ohio. Ohio State University Research Bulletin-Research Circular 299-99, 1-6.
65. EPA (1999) Reregistration eligibility decision (RED): Captan, EPA-738-R-99-015. Environmental Protection Agency Office of Pesticide Programs, US Government Printing Office, Washington, DC.
66. EPA (2005) Reregistration eligibility decision for mancozeb: EPA 738-R-04-012. Environmental Protection Agency Office of Pesticide Programs, US Government Printing Office, Washington, DC.
67. EPA (2007) What are biopesticides? US Environmental Protection Agency Office of Pesticide Programs (http://www.epa.gov/pesticides/ biopesticides/whatarebiopesticides.htm, accessed 16 August 2007).
68. Epstein, L. and Bassein, S. (2003) Patterns of pesticide use in California and the implications for strategies for reduction of pesticides. Annual Review of Phytopathology 41, 351-375.
69. Errampalli, D. and Brubacher, N.R. (2006) Biological and integrated control of postharvest blue mold (Penicillium expansum) of apples by Pseudomonas syringae and cyprodinil. Biological Control 36, 49-56.
70. Fallik, E. (2004) Prestorage hot water treatments (immersion, rinsing and brushing). Postharvest Biology and Technology 32, 125-134.
71. Fallik, E., Grinberg, S., Gambourg, M., Klein, J.D. and Lurie, S. (1996) Prestorage heat treatment reduces pathogenicity of Penicillium expansum in apple fruit. Plant Pathology 45, 92-97.
72. Filajdic, N. (1994) Management of Alternaria blotch of apples. PhD thesis, North Carolina State University, Raleigh, North Carolina.
73. Gadoury, D.M. and MacHardy, W.E. (1982) A model to estimate the maturity of ascospores of Venturia inaequalis. Phytopathology 72, 901-904.
74. Gadoury, D.M. and MacHardy, W.E. (1986) Forecasting ascospore dose of Venturia inaequalis in commercial apple orchards. Phytopathology 76, 112-118.
75. Gadoury, D.M., Machardy, W.E. and Rosenberger, D.A. (1989) Integration of pesticide application schedules for disease and insect control in apple orchards of the northeastern United States. Plant Disease 73, 98-105.
76. Gadoury, D.M., Seem, R.C., MacHardy, W.E., Wilcox, W.F., Rosenberger, D.A. and Stensvand, A. (2004) A comparison of methods used to estimate the maturity and release of ascospores of Venturia inaequalis. Plant Disease 88, 869-874.
77. Gessler, C. and Patocchi, A. (2007) Recombinant DNA technology in apple. Advances in Biochemical Engineering/Biotechnology 107, 113-132.
78. Gessler, C., Patocchi, A., Sansavini, S., Tartarini, S. and Gianfranceschi, L. (2006) Venturia inaequalis resistance in apple. Critical Reviews in Plant Sciences 25, 473-503.
79. Gianessi, L.P. and Marcelli, M.B. (2000) Pesticide Use in US Crop Production: 1997. National Center for Food and Agricultural Policy, Washington, DC.
80. Gilpatrick, J.D., Smith, C.A. and Blowers, D.R. (1972) A method of collecting ascospores of Venturia inaequalis for spore germination studies. Plant Disease Reporter 56, 39-42.
81. Gleason, M.L. (2001) Disease-warning systems. In: Maloy, O.C. and Murray, T.D. (eds) Encyclopedia of Plant Pathology. John Wiley and Sons, New York, pp. 367-370.
82. Gleason, M.L., Parker, S.K., Pitblado, R.E., Latin, R.X., Speranzini, D., Hazzard, R.V., Maletta, M.J., Cowgill, W.P. and Biederstedt, D.L. (1997) Validation of a commercial system for remote estimation of wetness duration. Plant Disease 81, 825-829.
83. Gomez, C., Brun, L., Chauffour, D. and Le Vallee, D.D. (2007) Effect of leaf litter management on scab development in an organic apple orchard. Agriculture Ecosystems and Environment 118, 249-255.
84. Green, T. (ed.) (2007) Eco-Apple Protocol and Grower Self-Assessment. IPM Institute of North America, Inc, Madison, Wisconsin.
85. Guerin, F. and Le Cam, B. (2004) Breakdown of the scab resistance gene Vf in apple leads to a founder effect in populations of the fungal pathogen Venturia inaequalis. Phytopathology 94, 364-369.
86. Guerin, F., Gladieux, P. and Le Cam, B. (2007) Origin and colonization history of newly virulent strains of the phytopathogenic fungus Venturia inaequalis. Fungal Genetics and Biology 44, 284-292.
87. Harris, S.A., Robinson, J.P. and Juniper, B.E. (2002) Genetic clues to the origin of the apple. Trends in Genetics 18, 426-430.
88. Hartman, J.R. (1995) Evaluation of fungicide timing for sooty blotch and flyspeck control, 1994. Fungicide and Nematicide Tests 50, 10.
89. Hartman, J.R., Parisi, L. and Bautrais, P. (1999) Effect of leaf wetness duration, temperature, and conidial inoculum dose on apple scab infections. Plant Disease 83, 531-534.
90. Hendrix, F.F. (1991) Removal of sooty blotch and flyspeck from apple fruit with a chlorine dip. Plant Disease 75, 742-743.
91. Hettenbach, T. and Wiles, R. (2000) A few bad apples...pesticides in your produce. Environmental Working Group, Washington, DC.
92. Holb, I.J. (2005) Effect of pruning on apple scab in organic apple production. Plant Disease 89, 611-618.
93. Holb, I.J. (2006) Effect of six sanitation treatments on leaf litter density, ascospore production of Venturia inaequalis and scab incidence in integrated and organic apple orchards. European Journal of Plant Pathology 115, 293-307.
94. Holb, I.J. and Schnabel, G. (2007) Differential effect of triazoles on mycelial growth and disease measurements of Monilinia fructicola isolates with reduced sensitivity to DMI fungicides. Crop Protection 26, 753-759.
95. Holb, I.J., Heijne, B., Withagen, J.C.M. and Jeger, M.J. (2004) Dispersal of Venturia inaequalis ascospores and disease gradients from a defined inoculum source. Journal of Phytopathology 152, 639-646.
96. Holb, I.J., Heijne, B. and Jeger, M.J. (2005) The widespread occurrence of overwintered conidial inoculum of Venturia inaequalis on shoots and buds in organic and integrated apple orchards across the Netherlands. European Journal of Plant Pathology 111, 157-168.
97. Holb, I.J., Heijne, B. and Jeger, M.J. (2006) Effects of integrated control measures on earthworms, leaf litter and Venturia inaequalis infection in two European apple orchards. Agriculture Ecosystems and Environment 114, 287-295.
98. Hollingsworth, C. (1995) Integrated fruit production (IFP): a status report. Fruit Notes 60(4), 14-15.
99. Hollingsworth, C. and Coli, W.M. (2007) IPM guidelines: apple (http://www.umass.edu/ umext/ipm/guidelines/ipm_guidelines_ apple.html, accessed 21 March 2008).
100. Horton, D.L., Pfeiffer, D.G. and Hendrix, F.F. (1991) Southeastern apple integrated pest management. In: Hullar, T.L. and National Research Council (eds) Sustainable Agriculture Research and Education in the Field: A Proceedings. National Academy Press, Washington, DC, pp. 165-182.
101. Huber, L. and Gillespie, T.J. (1992) Modeling leaf wetness in relation to plant disease epidemiology. Annual Review of Phytopathology 30, 553-577.
102. Jacobsen, B.J. (1997) Role of plant pathology in integrated pest management. Annual Review of Phytopathology 35, 373-391.
103. James, J.R. and Sutton, T.B. (1982) A model for predicting ascospore maturation of Venturia inaequalis. Phytopathology 72, 1081-1085.
104. Janick, J. (2006) The PRI apple breeding program. Hortscience 41, 8-10.
105. Janisiewicz, W.J. and Jeffers, S.N. (1997) Effi-cacy of commercial formulation of two biofungicides for control of blue mold and gray mold of apples in cold storage. Crop Protection 16, 629-633.
106. Janisiewicz, W.J. and Korsten, L. (2002) Biological control of postharvest diseases of fruits. Annual Review of Phytopathology 40, 411-441.
107. Jensen, P.J., Rytter, J., Detwiler, E.A., Travis, J.W. and McNeillis, T.W. (2003) Rootstock effects on gene expression patterns in apple tree scions. Plant Molecular Biology 53, 493-511.
108. Johnson, D.A., Inglis, D.A. and Miller, J.S. (2004) Control of potato tuber rots caused by oomycetes with foliar applications of phosphorous acid. Plant Disease 88, 1153-1159.
109. Johnson, E.M., Sutton, T.B. and Hodges, C.S. (1997) Etiology of apple sooty blotch disease in North Carolina. Phytopathology 87, 88-95.
110. Jones, A.L. (1981) Fungicide resistance-past experience with benomyl and dodine and future concerns with sterol inhibitors. Plant Disease 65, 990-992.
111. Jones, A.L. and Aldwinckle, H.S. (1990) Compendium of Apple and Pear Diseases. American Phytopathological Society, St Paul, Minnnesota.
112. Jones, A.L. and Ehret, G.R. (2000) Field evaluation of Apogee for fire blight management in 1999. Fungicide and Nematicide Tests 55, 15.
113. Jones, A.L., Lillevik, S.L., Fisher, P.D. and Stebbins, T.C. (1980) A microcomputer-based instrument to predict primary apple scab infection periods. Plant Disease 64, 69-72.
114. Jones, A.L., Fisher, P.D., Seem, R.C., Kroon, J.C. and Vandemotter, P.J. (1984) Development and commercialization of an infield microcomputer delivery system for weather-driven predictive models. Plant Disease 68, 458-463.
115. Jones, A.L., Ehret, G.R., Maxson-Stein, K. and Sundin, G.W. (2003) Fire blight control with S0208, 2002. Fungicide and Nematicide Tests. Report 58 PF001. DOI:10.1094/ FN58.
116. Juraske, R., Anton, A., Castells, F. and Huijbregts, M.A.J. (2007) PestScreen: a screening approach for scoring and ranking pesticides by their environmental and toxicological concern. Environment International 33, 886-893.
117. Kessmann, H., Staub, T., Hofmann, C., Maetzke, T., Herzog, J., Ward, E., Uknes, S. and Ryals, J. (1994) Induction of systemic acquired disease resistance in plants by chemicals. Annual Review of Phytopathology 32, 439-459.
118. Khan, M.A., Duffy, B., Gessler, C. and Patocchi, A. (2006) QTL mapping of fire blight resistance in apple. Molecular Breeding 17, 299-306.
119. Kim, K.S., Gleason, M.L. and Taylor, S.E. (2006) Forecasting site-specific leaf wetness duration for input to disease-warning systems. Plant Disease 90, 650-656.
120. Klein, J.D., Conway, W.S., Whitaker, B.D. and Sams, C.E. (1997) Botrytis cinerea decay in apples is inhibited by postharvest heat and calcium treatments. Journal of The American Society for Horticultural Science 122, 91-94.
121. Köller, W., Wilcox, W.F., Barnard, J., Jones, A.L. and Braun, P.G. (1997) Detection and quantification of resistance of Venturia inaequalis populations to sterol demethylation inhibitors. Phytopathology 87, 184-190.
122. Köller, W., Parker, D.M., Turechek, W.W., Avila-Adame, C. and Cronshaw, K. (2004) A two-phase resistance response of Venturia inaequalis populations to the QoI fungicides kresoxim-methyl and trifloxystrobin. Plant Disease 88, 537-544.
123. Köller, W., Parker, D.M., Turechek, W.W., Rosenberger, D.A., Wilcox, W.F., Caroll, J., Agnello, A.M. and Reissig, W.H. (2005a) Fungicide resistance of apple scab: status quo and management options. New York Fruit Quarterly 13(1), 9-17.
124. Köller, W., Wilcox, W.F. and Parker, D.M. (2005b) Sensitivity of Venturia inaequalis populations to anilinopyrimidine fungicides and their contribution to scab management in New York. Plant Disease 89, 357-365.
125. Korban, S.S. and Dayton, D.F. (1983) Evaluation of Malus germplasm for resistance to powdery mildew. Hortscience 18, 219-220.
126. Kovach, J., Petzoldt, C., Degnil, J. and Tette, J. (1992) A method to measure the environmental impact of pesticides. New York's Food and Life Science's Bulletin No 139. New York Agricultural Experiment Station, Geneva, New York.
127. Kuflik, T., Pertot, I., Moskovitch, R., Zasso, R., Pellegrini, E. and Gessler, C. (2008) Optimization of Fire blight scouting with a decision support system based on infection risk. Computers and Electronics in Agriculture 62, 118-127.
128. Lalancette, N. and Hickey, K.D. (1986) An apple powdery mildew model based on plant growth, primary inoculum, and fungicide concentration. Phytopathology 76, 1176-1182.
129. Latorre, B.A., Rioja, M.E. and Wilcox, W.F. (2001) Phytophthora species associated with crown and root rot of apple in Chile. Plant Disease 85, 603-606.
130. Lau, Y.F., Gleason, M.L., Zriba, N., Taylor, S.E. and Hinz, P.N. (2000) Effects of coating, deployment angle, and compass orientation on performance of electronic wetness sensors during dew periods. Plant Disease 84, 192-197.
131. Leach, A.W. and Mumford, J.D. (2008) Pesticide environmental accounting: a method for assessing the external costs of individual pesticide applications. Environmental Pollution 151, 139-147.
132. Levitan, L. (2000) 'How to' and 'why': assessing the enviro-social impacts of pesticides. Crop Protection 19, 629-636.
133. Levitan, L., Merwin, I. and Kovach, J. (1995) Assessing the relative environmental impacts of agricultural pesticides: the quest for a holistic method. Agriculture Ecosystems and Environment 55, 153-168.
134. Lewis, F.H. and Hickey, K.D. (1972) Fungicide usage on deciduous fruit trees. Annual Review of Phytopathology 10, 399-428.
135. Lewis, K.A., Brown, C.D., Hart, A. and Tzilivakis, J. (2003) p-EMA (III): overview and application of a software system designed to assess the environmental risk of agricultural pesticides. Agronomie 23, 85-96.
136. Loper, J.E., Henkels, M.D., Roberts, R.G., Grove, G.G., Willett, M.J. and Smith, T.J. (1991) Evaluation of streptomycin, oxytetracycline, and copper resistance of Erwinia amylovora isolated from pear orchards in Washington state. Plant Disease 75, 287-290.
137. Loureiro, M.L., McCluskey, J.J. and Mittelhammer, R.C. (2002) Will consumers pay a premium for eco-labeled apples? Journal of Consumer Affairs 36, 203-219.
138. Lurie, S. (1998) Postharvest heat treatments. Postharvest Biology and Technology 14, 257-269.
139. MacHardy, W.E. (1996) Apple Scab: Biology, Epidemiology and Management. APS Press, St Paul, Minnesota.
140. MacHardy, W.E. (2000a) Action threshold for managing apple scab with fungicides and sanitation. Acta Horticulturae 525, 123-131.
141. MacHardy, W.E. (2000b) Current status of IPM in apple orchards. Crop Protection 19, 801-806.
142. MacHardy, W.E. and Gadoury, D.M. (1989) A revision of Mills criteria for predicting apple scab infection periods. Phytopathology 79, 304-310.
143. MacHardy, W.E., Gadoury, D.M. and Rosenberger, D.A. (1993) Delaying the onset of fungicide programs for control of apple scab in orchards with low potential ascospore dose of Venturia inaequalis. Plant Disease 77, 372-375.
144. MacHardy, W.E., Gadoury, D.M. and Gessler, C. (2001) Parasitic and biological fitness of Venturia inaequalis: relationship to disease management strategies. Plant Disease 85, 1036-1051.
145. McManus, P.S., Stockwell, V.O., Sundin, G.W. and Jones, A.L. (2002) Antibiotic use in plant agriculture. Annual Review of Phytopathology 40, 443-465.
146. Magarey, R.D., Seem, R.C., Russo, J.M., Zack, J.W., Waight, K.T., Travis, J.W. and Oudemans, P.V. (2001) Site-specific weather information without on-site sensors. Plant Disease 85, 1216-1226.
147. Magarey, R.D., Russo, J.M., Seem, R.C. and Gadoury, D.M. (2005) Surface wetness duration under controlled environmental conditions. Agricultural and Forest Meteorology 128, 111-122.
148. Magkos, F., Arvaniti, F. and Zampelas, A. (2006) Organic food: buying more safety or just peace of mind? A critical review of the literature. Critical Reviews in Food Science and Nutrition 46, 23-56.
149. Marrone, P.G. (2007) Barriers to adoption of biological control agents and biological pesticides. Online CAB Reviews: Perspectives in Agriculture, Veterinary Science, Nutrition and Natural Resources 2 (http:// www.cababstractsplus.org/cabreviews doi: 10.1079/PAVSNNR20072051).
150. Maxson, K.L., Ehret, G.R. and Jones, A.L. (2001) Field evaluation of Actigard for control of fire blight in apple, 2000. Fungicide and Nematicide Tests. Report 56 PF11. DOI:10.1094/FN56.
151. Maxson-Stein, K., He, S.Y., Hammerschmidt, R. and Jones, A.L. (2002) Effect of treating apple trees with acibenzolar-S-methyl on fire blight and expression of pathogenesisrelated protein genes. Plant Disease 86, 785-790.
152. Merwin, I.A., Brown, S.K., Rosenberger, D.A., Cooley, D.R. and Berkett, L.P. (1994) Scab-resistant apples for the Northeastern United States-new prospects and old problems. Plant Disease 78, 4-10.
153. Mills, W.D. (1944) Efficient use of sulfur dusts and sprays during rain to control apple scab. Bulletin of the New York Agricultural Experiment Station, Geneva, New York.
154. Momol, M.T., Aldwinckle, H.S. and Norelli, J.L. (1998a) Evaluation of several products for control of fire blight on apple blossom, 1997. Fungicide and Nematicide Tests 53, 22.
155. Momol, M.T., Norelli, J.L., Piccioni, D.E., Momol, E.A., Gustafson, H.L., Cummins, J.N. and Aldwinckle, H.S. (1998b) Internal movement of Erwinia amylovora through symptomless apple scion tissues into the rootstock. Plant Disease 82, 646-650.
156. Moon, W., Florkowski, W.J., Bruckner, B. and Schonhof, I. (2002) Willingness to pay for environmental practices: implications for eco-labeling. Land Economics 78, 88-102.
157. Murphy, C. and Willett, L.S. (1991) Issues in the development and marketing of reduced chemical agricultural products: a look at disease-resistant apple cultivars. Agricultural Economics Extension Bulletin 91-34. Cornell University, Ithaca, New York.
158. Norelli, J.L. and Miller, S.S. (2004) Effect of prohexadione-calcium dose level on shoot growth and fire blight in young apple trees. Plant Disease 88, 1099-1106.
159. Norelli, J.L., Holleran, H.T., Johnson, W.C., Robinson, T.L. and Aldwinckle, H.S. (2003a) Resistance of Geneva and other apple rootstocks to Erwinia amylovora. Plant Disease 87, 26-32.
160. Norelli, J.L., Jones, A.L. and Aldwinckle, H.S. (2003b) Fire blight management in the twenty-first century-using new technologies that enhance host resistance in apple. Plant Disease 87, 756-765.
161. Ocamb-Basu, C.M., Sutton, T.B. and Nelson, L.A. (1988) The effects of pruning on incidence and severity of Zygophiala jamaicensis and Gloeodes pomigena infections of apple fruit. Phytopathology 78, 1004-1008.
162. Ojiambo, P.S. and Scherm, H. (2006) Biological and application-oriented factors influencing plant disease suppression by biological control: a meta-analytical review. Phytopathology 96, 1168-1174.
163. Parisi, L., Lespinasse, Y., Guillaumes, J. and Kruger, J. (1993) A new race of Venturia inaequalis virulent to apples with resistance due to the Vf gene. Phytopathology 83, 533-537.
164. Penev, R. and Aldwinckle, H.S. (2003) Field evaluation of materials for control of fire blight infection of apple blossoms, 2002. Fungicide and Nematicide Tests 58, PF004.
165. Peng, J.L., Dong, H.S., Dong, H.P., Delaney, T.P., Bonasera, J.M. and Beer, S.V. (2003) Harpin-elicited hypersensitive cell death and pathogen resistance require the NDR1 and EDS1 genes. Physiological and Molecular Plant Pathology 62, 317-326.
166. Penrose, L.J. (1995) Fungicide use reduction in apple production-potentials or pipe dreams. Agriculture Ecosystems and Environment 53, 231-242.
167. Penrose, L.J. and Nicol, H.I. (1996) Aspects of microclimate variation within apple tree canopies and between sites in relation to potential Venturia inaequalis infection. New Zealand Journal of Crop and Horticultural Science 24, 259-266.
168. Piñero, J.C. and Prokopy, R.J. (2003) Field evaluation of plant odor and pheromonal combinations for attracting plum curculios. Journal of Chemical Ecology 29, 2735-2748.
169. Piñero, J.C., Tuttle, A.F., Agnello, A.M., Faubert, H., Koehler, G., Morin, G., Leahy, K., Los, L., Cooley, D.R. and Prokopy, R.J. (2006) Using odor-baited trap trees as indicators of need and timing of insecticide spray against plum curculio in the Northeast: validation studies 2004-2005. Fruit Notes 72(4), 1-11.
170. Prokopy, R.J. (1993) Stepwise progress toward IPM and sustainable agriculture. The IPM Practitioner 15, 1-4.
171. Prokopy, R.J. (2003) Two decades of bottomup, ecologically based pest management in a small commercial apple orchard in Massachusetts. Agriculture Ecosystems and Environment 94, 299-309.
172. Prokopy, R.J., Wright, S.E., Black, J.L., Hu, X.P. and McGuire, M.R. (2000) Attracticidal spheres for controlling apple maggot flies: commercial-orchard trials. Entomologia Experimentalis et Applicata 97, 293-299.
173. Prokopy, R.J., Jácome, I., Bigurra, E., Blanco, M., Chandler, B.W. and Wright, S.E. (2004) Evaluation of pesticide-treated spheres for control of apple maggot flies in 2003. Fruit Notes 69(2), 21-25.
174. Rademacher, W. (2004) Prohexadione-Ca induces resistance to fire blight and other diseases. EPPO Bulletin 34, 383-388.
175. Ragsdale, N.N. (2000) The impact of the food quality protection act on the future of plant disease management. Annual Review of Phytopathology 38, 577-596.
176. Reardon, J.E., Berkett, L.P., Garcia, M.E. and Gottlieb, A. (2005) Field evaluation of a new sequential sampling technique for determining apple scab 'risk'. Plant Disease 89, 228-236.
177. Reddy, M.V.B., Norelli, J.L. and Aldwinckle, H.S. (2000) Control of fire blight infection of apple blossoms, 1999. Fungicide and Nematicide Tests. Report 55 22. DOI: 10.1094/FN55.
178. Reddy, M.V.B., Norelli, J.L. and Aldwinckle, H.S. (2001) Biologicals, SAR inducers, copper compounds and other chemicals for blossom blight control on apple, 2000. Fungicide and Nematicide Tests. Report 56 PF34. DOI:10.1094/FN56.
179. Reddy, M.V.B., Norelli, J.L. and Aldwinckle, H.S. (2001) Biologicals, SAR inducers, copper compounds and other chemicals for blossom blight control on apple, 2000. Fungicide and Nematicide Tests. Report 56 PF34. DOI:10.1094/FN56.
180. Reed, A.N. and Nelson, P. (1995) Responsible choice-an IFP approach. Acta Horticulturae 422, 319-320.
181. Reganold, J.P. (2006) Sustainability of organic, conventional, and integrated apple orchards. Crop Management. DOI:10.1094/CM-2006-0921-16-PS.
182. Robinson, J.P., Harris, S.A. and Juniper, B.E. (2001) Taxonomy of the genus Malus Mill. (Rosaceae) with emphasis on the cultivated apple, Malus domestica Borkh. Plant Systematics and Evolution 226, 35-58.
183. Robinson, T.L., Aldwinckle, H.S., Fazio, G. and Holleran, H.T. (2003a) The Geneva series of apple rootstocks from Cornell: performance, disease resistance, and commercialization. In: Janick, J. (ed.) XXVI International Horticultural Congress: Genetics and Breeding of Tree Fruits and Nuts. ISHS, Toronto, Canada, pp. 513-520.
184. Robinson, T.L., Anderson, L., Azarenko, A., Barritt, B., Baugher, T., Brown, G., Couvillon, G., Cowgill, W.P., Crassweller, R., Domoto, P., Embree, C., Fennell, A., Garcia, M.E., Gaus, A., Granger, R., Greene, G., Hirst, P., Hoover, E., Johnson, S.A. and Kushad, M. (2003b) Performance of Cornell-Geneva apple rootstocks with 'Liberty' as the scion in NC-140 trials across North America. Acta Horticulturae 622, 521-530.
185. Rosenberger, D.A. (2003) Factors limiting IPMcompatibility of new disease control tactics for apples in eastern United States. Plant Health Progress. DOI:10.1094/PHP-2003-0826-01-RV.
186. Rosenberger, D.A. (2006) Timing sprays for flyspeck and sooty blotch. Online Scaffolds Fruit Journal 14 (14) (http://www.nysaes. cornell.edu/ent/scafolds/doi: none).
187. Rosenberger, D.A. and Meyer, F.W. (2007) Control of flyspeck with phosphorous acid, liquid lime-sulfur, and other fungicides, 2006. Plant Disease Management Reports. DOI: 10.1094/PDMR01.
188. Rosenberger, D.A., Meyer, F.W. and Rist, D.L. (1990) Effect of spray timing on incidence and severity of sooty blotch and flyspeck on Liberty apple. Fungicide and Nematicide Tests 46, 31.
189. Rosenberger, D.A., Meyer, F.W. and Engle, C.A. (1994) Early-season diseases occurring on scab-resistant apple cultivars and advanced selections grown in southeastern New-York state. Fruit Varieties Journal 48(1), 52-53.
190. Rosenberger, D.A., Engle, C.A. and Meyer, F.W. (1996) Effects of management practices and fungicides on sooty blotch and flyspeck diseases and productivity of liberty apples. Plant Disease 80, 798-803.
191. Rosenberger, D.A., Ahlers, C.A. and Meyer, F.W. (2000) Controlling diseases on Jerseymac and Ginger Gold apples with biocontrol and contact fungicides, 1999. Fungicide and Nematicide Tests. Report 55 25. DOI:10.1094/FN55.
192. Rosenberger, D.A., Ahlers, C.A. and Meyer, F.W. (2000) Controlling diseases on Jerseymac and Ginger Gold apples with biocontrol and contact fungicides, 1999. Fungicide and Nematicide Tests. Report 55 25. DOI:10.1094/FN55.
193. Rosenberger, D.A., Meyer, F.W. and Christiana, R.W. (2005) Controlling summer diseases on trees left unsprayed for 50 days during June and July, 2004. Fungicide and Nematicide Tests. Report 60. DOI:10.1094/FN60.
194. Rosenberger, D.A., Rugh, A. and Meyer, F.W. (2006) Keeping apples disease-free during storage and shipping. New York Fruit Quarterly 14(2), 7-12.
195. Rosenberger, D.A., Meyer, F.W. and Rugh, A. (2008a) Effectiveness of ProPhyt used alone or with other fungicides to control summer disease of apples, 2007. Plant Disease Management Reports. Report 2 PF032. DOI:10.1094/PDMR02.
196. Rosenberger, D.A., Meyer, F.W. and Rugh, A. (2008b) Interactions among fungicides and spry adjuvants in late summer sprays for flyspeck, 2007. Plant Disease Management Reports. Report 2 PF031. DOI:10.1094/ PDMR02.
197. Rosenberger, D.A., Meyer, F.W. and Rugh, A. (2008c) Effectiveness of ProPhyt, Inspire and Inspire Super for controlling earlyseason apple diseases, 2007. Plant Disease Management Reports. Report 2 PF027. DOI:10.1094/PDMR02.
198. Rossi, V., Ponti, I., Marinelli, M., Giosue, S. and Bugiani, R. (1999) Field evaluation of some models estimating the seasonal pattern of airborne ascospores of Venturia inaequalis. Journal of Phytopathology-Phytopathologische Zeitschrift 147, 567-575.
199. Russo, N.L., Robinson, T.L., Fazio, G. and Aldwinckle, H.S. (2007) Field evaluation of 64 apple rootstocks for orchard performance and fire blight resistance. Hortscience 42, 1517-1525.
200. Russo, N.L., Robinson, T.L., l'Azio, G. and Aldwinckle, H.S. (2008) Fire blight resistance of Budagovsky 9 apple rootstock. Plant Disease 92, 385-391.
201. Schwabe, W.F.S. (1980) Wetting and temperature requirements for apple leaf infection by Venturia inaequalis. Phytophylactica 12, 69-80.
202. Sentelhas, P.C., Gillespie, T.J., Batzer, J.C., Gleason, M.L., Monteiro, J., Pezzopane, J.R.M. and Pedro, M.J. (2005) Spatial variability of leaf wetness duration in different crop canopies. International Journal of Biometeorology 49, 363-370.
203. Shao, X.F., Tu, K., Zhao, Y.Z., Chen, L., Chen, Y.Y. and Wang, H. (2007) Effects of prestorage heat treatment on fruit ripening and decay development in different apple cultivars. Journal of Horticultural Science and Biotechnology 82, 297-303.
204. Sholberg, P.L., Bedford, K.E., Haag, P. and Randall, P. (2001) Survey of Erwinia amylovora isolates from British Columbia for resistance to bactericides and virulence on apple. Canadian Journal of Plant Pathology 23, 60-67.
205. Shtienberg, D., Kritzman, G., Herzog, Z., Oppenheim, D., Zilberstaine, M. and Blatchinsky, D. (1999) Development and evaluation of a decision support system for managment of fire blight in pears. Acta Horticulturae 489, 385-392.
206. Shtienberg, D., Shwartz, H., Oppenheim, D., Zilberstaine, M., Herzog, Z., Manulis, S. and Kritzman, G. (2003) Evaluation of local and imported fire blight warning systems in Israel. Phytopathology 93, 356-363.
207. Smigell, C.G. and Hartman, J.R. (1997) Evaluation of fungicide timing for sooty blotch and flyspeck control, 1996. Fungicide and Nematicide Tests 52, 31.
208. Smith, T.J. (1993) A predictive model for forecasting fire blight of pear and apples in Washington State. Acta Horticulturae 338, 153-160.
209. Smith, T.J. (1999) Report on the development and use of Cougarblight 98C-a situationspecific fire blight risk assessment model for apple and pear. Acta Horticulturae 489, 429-436.
210. Spadaro, D., Garibaldi, A. and Gullino, M.L. (2004) Control of Penicillium expansum and Botrytis cinerea on apple combining a biocontrol agent with hot water dipping and acibenzolar-S-methyl, baking soda, or ethanol application. Postharvest Biology and Technology 33, 141-151.
211. Steiner, P.W. (1990a) Predicting apple blossom infections by Erwinia amylovora using the Maryblyt model. Acta Horticulturae 273, 139-148.
212. Steiner, P.W. (1990b) Predicting canker, shoot and trauma blight phases of apple fire blight epidemics using the Maryblyt model. Acta Horticulturae 273, 149-158.
213. Steiner, P.W. and Lightner, G.W. (1996) MaryblytTM 4.3. A predictive program for forecasting fire blight disease in apples and pears. University of Maryland, College Park, Maryland.
214. Stensvand, A., Gadoury, D.M., Amundsen, T., Semb, L. and Seem, R.C. (1997) Ascospore release and infection of apple leaves by conidia and ascospores of Venturia inaequalis at low temperatures. Phytopathology 87, 1046-1053.
215. Stensvand, A., Eikemo, H., Gadoury, D.M. and Seem, R.C. (2005) Use of a rainfall frequency threshold to adjust a degree-day model of ascospore maturity of Venturia inaequalis. Plant Disease 89, 198-202.
216. Sticher, L., MauchMani, B. and Metraux, J.P. (1997) Systemic acquired resistance. Annual Review of Phytopathology 35, 235-270.
217. Stockwell, V.O. and Stack, J.P. (2007) Using Pseudomonas spp. for integrated biological control. Phytopathology 97, 244-249.
218. Sundin, G.W. and Ehret, G.R. (2004a) Biological control of fire blight with Serenade in 2003. Fungicide and Nematicide Tests. Report 59 PF008. DOI:10.1094/FN59.
219. Sundin, G.W. and Ehret, G.R. (2004b) Fire blight control on Jonathan apple in 2003. Fungicide and Nematicide Tests. Report 59 PF007. DOI:10.1094/FN59.
220. Sundin, G.W. and Ehret, G.R. (2004b) Fire blight control on Jonathan apple in 2003. Fungicide and Nematicide Tests. Report 59 PF007. DOI:10.1094/FN59.
221. Sundin, G.W. and Ehret, G.R. (2005) Control of fire blight on Jonathan and Golden Delicious apple in 2004. Fungicide and Nematicide Tests. Report 60 PF033. DOI: 10.1094/FN60.
222. Sundin, G.W., Ehret, G.R. and Shane, W.W. (2005) Evaluation of bactericides for fire blight control in a commercial orchard near Benton Harbor, Michigan, 2004. Fungicide and Nematicide Tests. Report 60 PF038. DOI:10.1094/FN60.
223. Sundin, G.W., Ehret, G.R. and McGhee, G.C. (2006a) Biological control of fire blight on Jonathan and Golden Delicious apple in 2005. Fungicide and Nematicide Tests. Report 61 PF009. DOI:10.1094/FN61.
224. Sundin, G.W., Ehret, G.R. and McGhee, G.C. (2006b) Fire blight control on Gala apple in 2005. Fungicide and Nematicide Tests. Report 61 PF008. DOI:10.1094/FN61.
225. Sutton, D.K., MacHardy, W.E. and Lord, W.G. (2000) Effects of shredding or treating apple leaf litter with urea on ascospore dose of Venturia inaequalis and disease buildup. Plant Disease 84, 1319-1326.
226. Sutton, J.C., Gillespie, T.J. and Hildebrand, P.D. (1984) Monitoring weather factors in relation to plant disease. Plant Disease 68, 78-84.
227. Sutton, T.B. (1996) Changing options for the control of deciduous fruit tree diseases. Annual Review of Phytopathology 34, 527-547.
228. Sutton, T.B., Brown, E.M., Anas, O. and Meister, C.W. (2006) Efficacy of phosphoruscontaining fungicides on summer diseases of apples, 2005. Fungicide and Nematicide Tests. Report 61. DOI:10.1094/FN61.
229. Sutton, T.B., Brown, E.M. and Anas, O. (2007) Summer disease control with reduced risk fungicides, 2006. Plant Disease Management Reports. Report 1 PF007. DOI:10.1094/ PDMR01.
230. Szkolnik, M. (1969) Maturation and discharge of ascospores of Venturia inaequalis. Plant Disease Reporter 53, 534-537.
231. Tenzer, I., degli Ivanissevich, S., Morgante, M. and Gessler, C. (1999) Identification of microsatellite markers and their application to population genetics of Venturia inaequalis. Phytopathology 89, 748-753.
232. Thies, W.H. (1947) Announcing the 'Red Apple Club'. Fruit Notes 12 (4 May), 2-3.
233. Thomson, S.V., Schroth, M.N. and Reil, W.O. (1982) A forecasting model for fire blight of pear. Plant Disease 66, 576-579.
234. Travis, J.W., Halbrendt, N.O., Anderson, E., Wilson, C., Norelli, J.L. and Burchard, E. (2004) Evaluation of biological agents for control of fire blight on apple, 2003. Biological and Cultural Tests for Control of Plant Diseases. Report 19 N001. DOI: 10.1094/BC19.
235. Travis, J.W., Halbrendt, N.O., Rytter, J., Lehman, B. and Jarjour, B. (2006a) Evaluation of alternative fungicide programs for control of flyspeck and sooty blotch on Golden Delicious and Cortland apples in PA, 2005. Biological and Cultural Tests for Control of Plant Diseases. Report 21 1-2. DOI:10.1094/BC21.
236. Travis, J.W., Halbrendt, N.O., Rytter, J., Lehman, B. and Jarjour, B. (2006b) Evaluation of organic alternatives for control of apple scab, 2005. Biological and Cultural Tests for Control of Plant Diseases. Report 21 1-3. DOI:10.1094/BC21.
237. Tuttle, A.F., Bergweiler, C., Hall, J., Reisner, L., Christle, S., Autio, W.R. and Cooley, D.R. (2002) Development of a model for predicting flyspeck risks in blocks of apple trees. Fruit Notes 67(1), 5-8.
238. Urbanietz, A. and Dunemann, F. (2005) Isolation, identification and molecular characterization of physiological races of apple powdery mildew (Podosphaera leucotricha). Plant Pathology 54, 125-133.
239. Vallad, G.E. and Goodman, R.M. (2004) Systemic acquired resistance and induced systemic resistance in conventional agriculture. Crop Science 44, 1920-1934.
240. Vanneste, J.L. and Eden-Green, S. (2000) Migration of Erwinia amylovora in host plant tissue. In: Vanneste, J.L. (ed.) Fire Blight: The Disease and Its Causative Agent, Erwinia amylovora. CAB International, New York, pp. 73-83.
241. Vincent, C., Rancourt, B. and Carisse, O. (2004) Apple leaf shredding as a non-chemical tool to manage apple scab and spotted tentiform leafminer. Agriculture Ecosystems and Environment 104, 595-604.
242. Warner, J. (1990) Field susceptibility of scabresistant apple cultivars and selections to cedar apple rust, quince rust and hawthorn rust. Fruit Varieties Journal 44, 216-225.
243. Werner, N.A., Heidenreich, G. and Aldwinckle, H.S. (2005) Field evaluation of materials for control of fire blight infection of apple, 2004. Fungicide and Nematicide Tests. Report 60 PF030. DOI:10.1094/FN60.
244. Werner, N.A., Heidenreich, G. and Aldwinckle, H.S. (2006a) Field evaluation of biological and chemical control of fire blight of apple, 2005. Fungicide and Nematicide Tests. Report 61 PF020. DOI:10.1094/FN61.
245. Werner, N.A., Heidenreich, G. and Aldwinckle, H.S. (2006b) Field evaluation of antibiotics, SAR inducers and copper for control of fire blight of apple, 2005. Fungicide and Nematicide Tests. Report 61 PF021. DOI: 10.1094/FN61.
246. Wilcox, W.F., Wasson, D.I. and Kovach, J. (1992) Development and evaluation of an integrated, reduced-spray program using sterol demethylation inhibitor fungicides for control of primary apple scab. Plant Disease 76, 669-677.
247. Williams, P.R.D. and Hammitt, J.K. (2001) Perceived risks of conventional and organic produce: pesticides, pathogens, and natural toxins. Risk Analysis 21, 319-330.
248. Williamson, S.M. and Sutton, T.B. (2000) Sooty blotch and flyspeck of apple: etiology, biology, and control. Plant Disease 84, 714-724.
249. Wisniewski, M., Wilson, C., El Ghaouth, A. and Droby, S. (2001) Non-chemical approaches to postharvest disease control. Acta Horticulturae 553, 407-412.
250. Xu, X.M. (1999) Modelling and forecasting epidemics of apple powdery mildew (Podosphaera leucotricha). Plant Pathology 48, 462-471.
251. Xu, X.M., Butt, D.J. and VanSanten, G. (1995) A dynamic model simulating infection of apple leaves by Venturia inaequalis. Plant Pathology 44, 865-876.
252. Xu, X.M., Yang, J.R., Thakur, V., Roberts, A. and Barbara, D.J. (2008) Population variation of apple scab (Venturia inaequalis) isolates from Asia and Europe. Plant Disease 92, 247-252.
253. Yoder, K., Byers, R., Cochran, A.E., DeMarsay, A., Royston, W.S. and Kilmer, S.W. (1999) Evaluation of bloom treatments for fire blight suppression on Golden Delicious and Rome Beauty apples, 2000. Fungicide and Nematicide Tests 56, PF36.
254. Yoder, K., Cochran, A.E., Royston, W.S. and Kilmer, S.W. (2003) Fire blight blossom treatments on Golden Delicious and Rome Beauty apples, 2002. Fungicide and Nematicide Tests 58, PF025.
255. Yoder, K., Cochran, A.E., Royston, W.S. and Kilmer, S.W. (2004) Evaluation of fire blight blossom treatments on Golden Delicious and Rome Beauty apples, 2003. Fungicide and Nematicide Tests 59, PF030.
256. Yoder, K., Cochran, A.E., Royston, W.S. and Kilmer, S.W. (2007) Integrated biological and streptomycin treatments for fire blight control on Idared apples, 2006. Plant Disease Management Reports 1, PF028.
257. Yoshimura, M.A., Luo, Y., Ma, Z.H. and Michailides, T.J. (2004) Sensitivity of Monilinia fructicola from stone fruit to thiophanatemethyl, iprodione, and tebuconazole. Plant Disease 88, 373-378.
258. Ypema, H.L. and Gold, R.E. (1999) Modification of a naturally occurring compound to produce a new fungicide. Plant Disease 83, 4-19.
259. Zasso, R., Moskovitch, R., Pertot, I. and Gessler, C. (2006) Integrated forecasting systems for monitoring fire blight in Trentino. Acta Horticulturae 704, 191-196.
260. Zhou, T., Northover, J., Schneider, K.E. and Lu, X.W. (2002) Interactions between Pseudomonas syringae MA-4 and cyprodinil in the control of blue mold and gray mold of apples. Canadian Journal of Plant Pathology 24, 154-161.
261. Zuck, M.G. and MacHardy, W.E. (1981) Recent experience in timing sprays for control of apple scab-equipment and test results. Plant Disease 65, 995-998.