Publications

Articles published, in press, or accepted

Li, X., Yang, X. B. Mo, J., and Guo, T. 2008. Estimation of soybean rust urediospore terminal velocity, dry deposition, and the wet deposition associated with rainfall. European Journal of Plant Pathology, In Press. DOI 10.1007/s10658-008-9374-2.

Li, X., Engelbrecht, C. J., Mueller, D. S., and Yang, X. B. 2008. First report of soybean rust caused by Phakopsora pachyrhizi in Iowa and its statewide occurrence. Plant Disease, 92:975.

Li, X., Sun, P., Hu, B. H., and Yang, X. B. Changes in disease prevalence in association with temperature changes in China from 1952 to 2002. Phytopathology, Accepted with revision.

Del Ponte, E. M., Godoy, C. V., Li, X., and Yang, X. B. 2006. Predicting severity of Asian soybean rust epidemics with empirical rainfall models. Phytopathology 96:797-803.

Li, X., Xiao, Y. Y., Tang, J. Y., and Liu, W. C. 2002. Geographic spatial distribution attributes of wheat powdery mildew. Acta Phytophylacica Sinica. 29(1): 41-46.

Manuscripts in submission

Li, X., Yang, X. B. Mo, J., and Guo, T. Effects of light on the urediospore pre-infection process and infection efficiency of soybean rust caused by Phakopsora pachyrhizi Sydow. Submitted to Plant Disease.

Dias, A.P.S. Li, X. and Yang, X. B. Regional development of Asian soybean rust related to solar radiation patterns in Brazil and the United States. In preparation for submission to Phytopathology.

Dias, A.P.S. Li, X. and Yang, X. B. Modeling the effects of cloudy weather on regional epidemics of Asian soybean rust. In preparation for submission to Phytopathology.

Extension articles

Yang, X. B., Dias, A. P., and Li, X. 2007. Soybean rust: A research update. Integrated Crop Management Newsletter, IC498(2), Feb 26, 2007.

Yang, X. B., Dias, A. P., and Li, X. 2006. Update of soybean rust research: What we have learned in the last two seasons and how to position for the future in soybean rust risk management. Iowa State University Extension 18th Annual Integrated Crop Management Conference. Nov 2006, Ames, Iowa.

Published abstracts

Li, X. and Yang, X. B. 2007. Analysis of the occurrence and the western pathway of soybean rust in 2007. 2007 National Soybean Rust Symposium. Dec 2007. Louisville, Kentucky.

Pan, Z. T., Xue, L., Li, X., and Yang, X. B. 2007. Medium-range forecasts of soybean rust spore dispersal in 2007. 2007 National Soybean Rust Symposium. Dec 2007. Louisville, Kentucky.

Li, X. and Yang, X. B. 2007. Assessing effects of temperatures on occurrence of Asian soybean rust with biogeography information of rust diseases in North America. APS North Central Division annual meeting. Jun 2007. Lafayette, Indiana.

Mo, J., Guo, T., Li, X., and Yang, X. B. 2007. Effects of light intensity and darkness period on infection of soybean rust in controlled conditions. 2007 Southern Soybean Disease Workers annual meeting. Jan 2007. St. Louis, Missouri.

Dias, A. P. S., Yang, X. B. and Li, X. Modeling light intensity patterns to estimate soybean rust outbreaks: Comparative analysis in Brazil and South Africa. 2007 Southern Soybean Disease Workers annual meeting. Jan 2007. St. Louis, Missouri.

Xue, L., Li, X., Yang, X. B., Andrade, D., and Pan, Z. 2006. Soybean rust prediction and analysis in the United States for the 2006 growing season. 2006 National Soybean Rust Symposium. Nov 2006. St. Louis, Missouri.

Dias, A. P. S., Yang, X. B., and Li, X. 2006. Analysis of cloud effects on the development of Asian soybean rust in Brazil and South Africa. 2006 National Soybean Rust Symposium, Nov 2006. St. Louis, Missouri.

Li, X., Mo, J., and Yang, X. B. 2006. Frequency distribution of soybean rust urediospore clumps collected from naturally infected kudzu leaves in Nanning, China. 2006 National Soybean Rust Symposium. Nov 2006. St. Louis, Missouri.

Del Ponte, E. M., Li, X., and Yang, X. B. 2005. Assessing the rainfall suitability of Asian soybean rust epidemics in the US soybean regions. 2005 National Soybean Rust Symposium. Nov 2005. Nashville, Tennessee.

Pan, Z. T., Xue, L., Del Ponte, E. M., Andrade, D., Li, X., Pasken, R. & Yang, X. B. 2005. Soybean rust dispersal prediction and analysis in the U.S. for 2005 growing season. 2005 National Soybean Rust Symposium. Nov 2005. Nashville, Tennessee.

Li, X. and Yang, X. B. 2005. Estimation of deposition efficiency of airborne urediospores of soybean rust by rainfall. Phytopathology 95:S60.

Del Ponte, E. M., Li, X., and Yang, X. B. 2005. A critical monthly rainfall model for prediction of Asian soybean rust outbreaks. 2005 Southern Soybean Disease Workers annual meeting. Mar 2005, Scottsdale, Arizona.

Li, X., Yang, X. B., Hu, B. H., and Sun, P. 2004. Disease changes associated with climate changes in China from 1952 to 2002. Phytopathology 94:S60.

Li, X. and Yang, X. B. 2003. Study of geographical patterns of disease occurrence with long-term climatologic data. Phytopathology 93:S51.

Li, X., Yang, X. B., Tang, J. Y., and Liu, W. C. 2003. Study of regional-scale seasonal distribution pattern of wheat powdery mildew in China with geostatistics. APS North Central Division annual meeting. Jun 2003. East Lansing, Michigan.