2005-2008 Publications

Yang, X.B., Navi, S.S., Pecinovsky, K., and Shriver, J. 2008. Use of fungicides to control soybean foliar diseases in Iowa: a 6-year study. Pages 161-176 in Proceedings of 2008 Integrated Crop Management Conference, Iowa state University.

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 X. B. Yang, 2008. First Report of Soybean Rust Caused by Phakopsora pachyrhizi in Iowa and its Statewide Occurrence. DOI: 10.1094/PDIS-92-6-0975C. Plant disease 92(6):975

Navi, S. S., and Yang, X. B. 2008. Foliar symptom expression in association with early infection and xylem colonization by Fusarium virguliforme (formerly F. solani f. sp. glycines), the causal agent of soybean sudden death syndrome. Online. Plant Health Progress doi:10.1094/PHP-2008-0222-01-RS.

Mila, A. L., and Yang, X. B. 2008. Effects of fluctuating soil temperature and water potential on sclerotia germination and apothecial production of Sclerotinia sclerotiorum. Plant Dis. 92:78-82.

Covert, S.F., Aoki, T., O’Donnell, K., Starkey, K., Holliday, A., Geiser, D.M., Cheung,F., Town,C., Strom,A., Juba, J., Scandiani,M., Yang, X.B. 2007. Sexual reproduction in the soybean sudden death syndrome pathogen Fusarium tucumaniae. Fungal Genetics and Biology 44 (2007) 799–807

Yang, X.B. and Navi, S.S. 2007. Stop SDS- Prioritizing management approaches that best fit your fields. In Proceedings of the 19th Annual Integrated Crop Management Conference, November 28-29, 2007, Iowa State University, Ames, Iowa, Pp 109–113.

Ralph von Qualen and X. B. Yang, 2007. Monitoring soybean rust. IC-498(14) 178, June 11, 2007 issue.

Yang, X.B. 2007. Scouting seedling diseases and making replanting decisions. IC-498(13) 168, June 4, 2007 issue.

Yang, X.B. and Zaitao P. 2007. Soybean rust update and outlook, June 2007. IC-498(14) 174 June 11, 2007 issue.

Yang, X.B. 2006. Framework Development in Plant Disease Risk Assessment and its Application. European Journal of Plant Pathology 115: 25-34

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

Pivonia, S. and Yang, X.B. 2006. Relating epidemic progress from a general disease model to seasonal appearance time of rusts in the United States: Implications for soybean rust. Phytopathology, 96:400–407

Pan, Z., Yang, X.B., Pivonia S. Xue, L., Pasken, R., and Roads, J. 2006. Long-term prediction of soyeban rust entry into the continental United States. Plant Disease 90:840-846.

Yang, X.B. and Navi, S.S. 2006. Strategies for management of soybean sudden death syndrome and white mold. In Proceedings of the 18th Annual Integrated Crop Management Conference, November 29-30, 2006, Iowa State University, Ames, Iowa, Pp105–112.

Yang, X.B., Dias, A.P.,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. In Proceedings of the 18th Annual Integrated Crop Management Conference, November 29-30, 2006, Iowa State University, Ames, Iowa, Pp119–124.

Kim, K.S., Wang, T.C., and Yang, X.B. 2005. Simulation of apparent infection rate to present severity of soybean rust using fuzzy logic system. Phytopathology 95: 1122–1131.

Pivonia S. and Yang, X.B. 2005. Assessment of epidemic potential of soybean rust in the United States. Plant Disease 89: 678-682.

Navi, S.S., Bandyopadhyay, R. Reddy, R.K., Thakur, R.P. and Yang, X.B. 2005. Effect of wetness duration and grain development stages on sorghum grain mold infection. Plant Dis. 89:872-878 DOI: 10.1094/PD-89-0872.

Wegulo, S.N., Yang, X.B., Martinson, C.A. and Murphy, P.A. 2005. Effects of wounding and inoculation with Sclerotinia sclerotiorum on isoflavone concentrations in soybean. Can. J. Plant Sci. 85: 749-760.

Yang, X.B. and Navi, S.S. 2005. First report of charcoal rot (Macrophomina phaseolina) epidemics in soybean (Glycine max) in Iowa. Plant Dis. 89:526.