Action thresholds for managing apple scab with fungicides and sanitation

Acta Horticulturae

Volumn 525, Issue , 2000, Pages 123-131

  MacHardy, William E ^a  

^a UNIVERSITY OF NEW HAMPSHIRE   (United States)

Author keywords

Integrated crop production; Integrated pest management; Leaf shredding; Potential ascospore dose; Urea; Venturia inaequalis

Indexed keywords

MALUS X DOMESTICA; VENTURIA INAEQUALIS;

EID: 84856221572     PISSN: 05677572     EISSN: None     Source Type: Book Series    
DOI: 10.17660/actahortic.2000.525.14     Document Type: Conference Paper

References (7)

1. Gadoury, D. M., and MacHardy, W. E. 1986. Forecasting ascospore dose of Venturia inaequalis in commercial apple orchards. Phytopathology 76:112-118.
2. MacHardy, W. E. 1994. A "PAD" action threshold: the key to integrating practices for managing apple scab. Pages 75-82 in: Integrated Control of Pome Fruit Diseases. Denis J. Butt, ed. Norw. J. Agric. Sci. Suppl. 17.
3. MacHardy, W. E. 1996. Apple Scab: Biology, Epidemiology, and Management. APS Press. St.. Paul, MN. 545 pp.
4. MacHardy, W. E., and Sutton, D. K. 1995. Integrating sanitation practices with fungicide applications to reduce fungicide dose in controlling apple scab. Abstract No. 3011/0523 in: Proceedings, XIII International Plant Protection Congress. The Hague. 2-7 July, 1995.
5. MacHardy, W. E., Gadoury, D. M., and Rosenberger, D. A. 1993. Delaying the onset of fungicide programs for control of apple scab in orchards of low potential ascospore dose of Venturia inaequalis. Plant Dis 77: 372-375.
6. Sutton, D. E. 199Z. A potential role for orchard sanitation in the management of apple scab (Venturia inaequalis (Cke.) Wint.) M.S. Thesis. University of New Hampshire, Durham, NH., 91 pages.
7. Sutton, D. K., and MacHardy, W. E. 1993. The reduction of ascosporic inoculum of Venturia inaequalis by orchard sanitation. (Abstr.) Phytopathology 83:247.