Influence of spore dose and interrupted wet periods on the development of pear scab caused by Venturia pirina on pear (Pyrus communis) seedlings

Australasian Plant Pathology

Volumn 29, Issue 4, 2000, Pages 255-262

  Villalta, O ^a   Washington, W S ^a   Rimmington, G M ^b   Taylor, P A ^b  

^a Institute for Horticultural Development   (Australia)

^b UNIVERSITY OF MELBOURNE   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

BACTERIA (MICROORGANISMS); PYRUS COMMUNIS; VENTURIA PIRINA;

EID: 0034555612     PISSN: 08153191     EISSN: None     Source Type: Journal    
DOI: 10.1071/ap00048     Document Type: Article

References (27)

1. Arauz, L.F. and Sutton, T.B. (1990) - Effect of interrupted wetness periods on spore germination and apple infection by Botryosphaeria obtusa. Phytopathology 80: 1218-1220.
2. Aylor, E.D. and Sanogo, S. (1997) - Germinability of Venturia inaequalis conidia exposed to sunlight. Phytopathology 87: 628-633.
3. Becker, C.M. and Burr, T.J. (1994) - Discontinuous wetting and survival of conidia of Venturia inaequalis on apple scab. Phytopathology 84: 372-378.
4. 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.
5. nd N.Z. Weed and Pest Control Conference, New Zealand, pp. 159-164.
6. 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.
7. Hill, S.A. (1975) - The importance of wood scab caused by Venturia inaequalis (Cke.) Wint. as a source of infection for apple leaves in the spring. Phytopathologische Zeitschrift 82: 216-223.
8. Jenkins, P.T. (1966) - Black spot twig infection. Victorian Horticulture Digest 10 (3), p.i., August-October (frontispiece).
9. Jones, A.L., Lillevik, S.L., Fisher, P.D. and Stebbings, T.C. (1980) - A microcomputer-based instrument to predict primary apple scab infection periods. Plant Disease 64: 69-72.
10. MacHardy, W.E. (1996) - Apple Scab Biology, Epidemiology, and Management. APS Press, American Phytopathological Society, St. Paul, MN.
11. MacHardy, W.E., and Gadoury, D.M. (1989) - A revision of Mill's criteria for predicting apple scab infection periods. Phytopathology 79: 304-310.
12. 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.
13. Mills, W.D. and La Plante, A.A. (1951) - Control of diseases and insects in the orchard. New York Agricultural Experiment Station (Ithaca) Extension Bulletin 711: 18-22.
14. Moore, M.H. (1964) - Glasshouse experiments in apple scab. I. Foliage infection in relation to wet and dry periods. Annals of Applied Biology 53: 423-435.
15. Roosje, G.S. (1959) - Research on apple and pear scab in the Netherlands from 1938 until 1961. Netherlands Journal of Plant Pathology 69: 132-137.
16. Shabi, E. (1973) - Physiological races of Venturia pirina on pear. Phytopathology 63: 41-43.
17. Schwabe, W.F.S. (1980) - Wetting and temperature requirements for apple leaf infection by Venturia inaequalis in South Africa. Phytophylactica 12: 69-80.
18. Spotts, R.A. and Cervantes, L.A. (1991) - Effect of temperature and wetness on infection of pear by Venturia pirina and the relationship between preharvest inoculation and storage scab. Plant Disease 75: 1204-1207.
19. Stanton, W.R. (1953) - Breeding pears for resistance to the pear scab fungus Venturia pirina Aderh. Annals of Applied Biology 40: 184-191.
20. 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.
21. Sutton, T.B., Jones, A.L., and Nelson, L.A. (1976) -Factors affecting dispersal of conidia of the apple scab fungus. Phytopathology 66: 1313-1317.
22. Villalta, O.N., Washington, W.S., Rimmington, G. and Taylor, P.A. (2000) - The effect of leaf wetness duration and temperature on pear leaf infection by Venturia pirina. Australian Journal of Agricultural Research 51: 97-106.
23. Washington, W.S., and Villalta, O.N. (1995) - Epidemiology and control of pear scab. Horticultural Research and Development Corporation Report Project No. AP 218.
24. Washington, W.S., Villalta, O.N., and Appleby, M. (1998a) - Control of pear scab with hydrated lime alone or in schedules with other fungicides sprays. Crop Protection 17: 569-579.
25. Washington, W.S., Villalta, O.N., Bardon, D.A., Washbourne, J., Pierce, P. and McGregor, G. (1998c) - Report on pear scab screening during 1997. In Pear Breeding Report. National Pear Breeding Project HRDC AP96028.
26. Washington, W.S., Villalta, O.N., Ingram, J., and Bardon, D. (1998b) - Susceptibility of apple cultivars to apple scab and powdery mildew in Victoria, Australia. Australian Journal of Experimental Agriculture 48: 625-629.
27. Williams, D., Washington W., Holmes, R., Bates, V., James, P. and Ranford, T. (1996) - Orchard pest and disease handbook, 8th edition, 1996-98, Northern Victorian Fruitgrowers Association Ltd.