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References

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  2. Arneson, P.A. 2006. Plant disease epidemiology: temporal aspects. The Plant Health Instructor. On-line DOI:10.1094/PHI-A-2001-0524-01.

  3. Bates, D.M., and Watts, D.G. 1988. Nonlinear regression analysis and its applications. John Wiley and Sons. New York.

  4. Bekal, S., and Becker, J.O. 2000. Population dynamics of the sting nematode in California turfgrass. Plant Disease 84:1081-1084

  5. Crow, W.T., and Han, H. 2005. Sting nematode. The Plant Health Instructor. On-line DOI: 10.1094/PHI-I-2005-1208-01

  6. Donovan, T.M. and Weldon, C.W. 2002. Spreadsheet exercises in ecology and evolution. Sinauer Associates, Inc., Sunderland, Massachusetts.

  7. Emge, R.G., and Shrum, R.D. 1976. Epiphytology of Puccinia striiformis at five selected locations in Oregon during 1968 and 1969. Phytopathology 66:1406-1412.

  8. Esker, P.D., Sparks, A.H., Antony, G., Bates, M., Dall' Acqua, W., Frank, E., Huebel, L., Segovia, V., and Garrett, K.A. 2007. Ecology and epidemiology in R: Modeling dispersal gradients. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2007-1226-03

  9. Esker, P.D., Sparks, A.H., Campbell, L., Guo, Z., Rouse, M., Silwal, S.D., Tolos, S., Van Allen, B., and Garrett, K.A. 2008. Ecology and epidemiology in R: Disease Forecasting.. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2008-0129-01

  10. Fondong, V.N., Thresh, J.M., and Zok, S. 2002. Spatial and temporal spread of cassava mosaic virus disease in cassava grown alone and when intercropped with maize and/or cowpea. Journal of Phytopathology. 150:365-374.

  11. Francl, L.F., and D.A. Neher (eds.) 1997. Exercises in Plant Disease Epidemiology. American Phytopathological Society, APS Press St. Paul, Minnesota.

  12. Garrett, K.A., P.D. Esker, and A.H. Sparks. 2007. Introduction to the R Programming Environment.. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2007-1226-02.

  13. Gilligan, C.A. 1990. Comparison of Disease Progress Curves. New Phytologist. 115:223-242.

  14. Gottwald, T.R., Trimmer, L.W., and McGuire, R.G. 1989. Analysis of disease progress of citrus canker in nurseries in Argentina. Phytopathology 79:1276-1283.

  15. Gottwald, T.R. 2000. Citrus canker. The Plant Health Instructor. On-line DOI: 10.1094/PHI-I-2000-1002-01

  16. Harrell, F.E. Jr. 2001. Regression modeling strategies: with applications to linear models, logistic regression, and survival analysis. Springer-Verlag, New York.

  17. Madden, L.V., Hughes, G., and van den Bosch, F. 2007. The Study of Plant Disease Epidemics. The American Phytopathological Society, APS Press St. Paul, Minnesota.

  18. R Development Core Team. 2007. R: A language and environment for statistical computing. R Foundation for Statistical Computing, Vienna, Austria.

  19. Sparks, A..H., P.D. Esker, G. Antony, L. Campbell, E.E. Frank, L. Huebel, M.N. Rouse, B.Van Allen, and K.A. Garrett, 2008. Ecology and epidemiology in R: introduction to spatial analysis. The Plant Health Instructor. On-line: DOI:10.1094/PHI-A-2008-0129-03.

  20. Ratkowsky, D. 1989. Handbook of nonlinear regression models. Marcel Dekker, Inc. New York and Basel.

  21. Vidaver, A.K., and Lambrecht, P.A. 2004. Bacteria as plant pathogens. The Plant Health Instructor. On-line DOI:10.1094/PHI-I-2004-0809-01.