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Department of Plant Pathology

Chris Little

chris Associate Professor
1712 Claflin Rd
4723 Throckmorton Ctr.
Kansas State University
Manhattan, KS 66506
Phone: 785-532-1395
Fax: 785-532-5692

View My Curriculum Vitae


Lab website address



Ph.D. Plant Pathology, Texas A&M University, 2002

B.S. Microbiology, University of Kentucky, 1996

Staff and Students

*Graduate Research Assistant


Sorghum and soybean diseases; seedling, root, stalk and seed diseases; fungal pathogens of row crops.


PLPTH 500 - Principles of Plant Pathology (3 cr.) Spring semesters

PLPTH 845 - Plant Pathogenic Fungi (3 cr.) Even Fall semesters

Publications (last 10 years)


Bandara, Y.M.A.Y., Weerasooriya, D.K., Liu, S., and Little, C.R. 2018. The necrotrophic fungus Macrophomina phaseolina promotes charcoal rot susceptibility in grain sorghum through induced host cell wall-degrading enzymes. Phytopathology 108: In press.

Little, C.R. and Perumal, R. 2018. The biology and control of sorghum diseases. In: Sorghum: State of the Art and Future Perspectives (Ciampitti, I., and Prasad, P.V.V., eds.). Agronomy Monographs, No. 58. ASA and CSSA, Madison, WI. In press.

Perumal, R., Magill, C.W., Prom, L.K., Peterson, G.C., Bashir, E.M., Tesso, T.T., Serba, D., and Little, C.R. 2018. Sorghum breeding for biotic stress tolerance. In: Achieving Sustainable Cultivation in Sorghum (Rooney, W.L., ed.). Burleigh Dodds Science Publishing, Ltd. In press.

Bandara, Y.M.A.Y., Tesso, T.T., Zhang, K., Wang, D., and Little, C.R. 2018. Charcoal rot and Fusarium stalk rot diseases influence sweet sorghum sugar attributes. Industrial Crops and Products 112: 188-195. (Abstract + Links)



Bandara, Y.M.A.Y., Tesso, T.T., Bean, S.R., Dowell, F.E., Little, C.R., 2017. Impacts of fungal stalk rot pathogens on physicochemical properties of sorghum grain. Plant Disease 101: 2059-2065. (Abstract + Links)

Pedrozo, R., and Little, C.R. 2017. Fusarium verticillioides inoculum potential influences soybean seed quality. European Journal of Plant Pathology 148: 749-754. (Abstract + Links)

Bandara, Y.M.A.Y., Weerasoriya, D.K., Tesso, T.T., Prasad, P.V.V., and Little, C.R. 2017. Stalk rot fungi affect grain sorghum yield components in an inoculation stage-specific manner. Crop Protection 94: 97-105. (Abstract + Links)

Perumal, R., Rajendrakumar, P., Maulana, F., Tesso, T., and Little, C.R. 2017. Genetic changes in sorghum. In Sorghum: State of the Art and Future Perspectives, Agronomy Monographs No. 58. American Society of Agronomy and Crop Science Society of America, Inc. Madison, WI. (doi:10.2134/agronmonogr58.2014.0053) (Abstract + Links)

Bandara, Y.M.A.Y., Weerasooriya, D.K., Tesso, T.T., and Little, C.R. 2017. Stalk rot diseases affect sweet sorghum biofuel traits. BioEnergy Research 10: 26-35. (Abstract + Links)



Bandara, Y.M.A.Y., Weerasooriya, D.K., Tesso, T.T., and Little, C.R. 2016. Stalk rot fungi affect leaf greenness (SPAD) of grain sorghum in a genotype- and growth stage-specific manner. Plant Disease 100: 2062-2068. (Abstract + Links)

Adeyanju, A., Yu, J., Little, C., Rooney, W., Klein, P., Burke, J., and Tesso, T. 2016. Sorghum recombinant inbred lines segregating for stay-green QTLs and leaf dhurrin content show differential reaction to stalk rot diseases. Crop Science 56: 2895-2903. (Abstract + Links)

Adee, E., Ruiz Diaz, D.A., and Little, C.R. 2016. Effect of soil test and phosphorus fertilization on soybean sudden death syndrome severity. Crop, Forage, & Turfgrass Management 2: Online (https://dl.sciencesocieties.org/publications/cftm/abstracts/2/1/cftm2015.0193/preview)



Pedrozo, R., Fenoglio, J.J. and Little, C.R. 2015. First report of seedborne Fusarium fujikuroi and its potential to cause pre- and post-emergent damping-off of soybean (Glycine max) in the United States. Plant Disease 99: 1865. (Link)

Bandara, Y.M.A.Y., Perumal, R., and Little, C.R. 2015. Integrating resistance and tolerance for improved evaluation of sorghum lines against Fusarium stalk rot and charcoal rot. Phytoparasitica 43: 485-499. (Abstract + Links)

Adeyanju, A., Little, C., Yu, J. and Tesso, T. 2015. Genome-wide study on resistance to stalk rot diseases in grain sorghum. G3: Genes, Genomes, Genetics: Online (doi:10.1534/g3.114.016394). (Link)

Perumal, R., Tesso, T., Kofoid, K.D., Prasad, P.V.V., Aiken, R.M., Bean, S.R., Wilson, J.D., Herald, T.J. and Little, C.R. 2015. Registration of nine sorghum seed parent (A/B) lines. Journal of Plant Registrations 9: 244-248. (Abstract + Links)

Prom, L.K., Perumal, R., Montes-Garcia, N., Isakeit, T., Medina-Ocegueda, S., Odvody, G.N., Rooney, W.L., Little, C.R., and Magill, C.W. 2015. Evaluation of Gambia and Mali sorghum germplasm against the downy mildew pathogen, Peronosclerospora sorghi in Mexico and the USA. Journal of General Plant Pathology 81: 24-31. (Link)



Pedrozo, R. and Little, C.R. 2014. First report of Fusarium thapsinum and its pathogenicity on soybean (Glycine max) in the United States. Plant Disease 98: 1745. (Link)

Prom, L.K., Perumal, R., Cisse, N. and Little, C.R. 2014. Evaluation of selected sorghum lines and hybrids for grain mold and long smut fungi in Senegal, West Africa. Plant Health Progress: Online (doi:10.1094/PHP-RS-13-0128). (Summary + Links)

Brzostowski, L.F., Schapaugh, W.T., Rzodkiewicz, P.A., Todd, T.C. and Little, C.R. 2014. Effect of host resistance to Fusarium virguiliforme and Heteroderaglycines on sudden death syndrome disease severity and soybean yield.  Plant Health Progress: Online (doi:10.1094/PHP-RS-13-0100). (Summary + Links)



Kapanigowda, M.H., Perumal, R., Djanaguiraman, M., Aiken, R.M., Tesso, T., Prasad, P.V.V., and Little, C.R. 2013. Genotypic variation in sorghum (Sorghum bicolor (L.) Moench) exotic germplasm collections for drought and disease tolerance. SpringerPlus 2: 650 (Online, Open Access) (doi:10.1186/2193-1801-2-650) (Abstract + Links)

Kapanigowda, M.H., Perumal, R., Aiken, R.M., Herald, T.J., Bean, S.R., and Little, C.R. 2013. Analysis of sorghum (Sorghum bicolor (L.) Moench) lines and hybrids in response to early season planting and cool conditions. Canadian Journal of Plant Science 93: 773-784. (Abstract + Links)

Schneider, S.J., da Graca, J.V., Skaria, M., Little, C.R., Setamou, M., and Kunta, M. 2013. Quantification of greasy spot in grapefruit using computer image analysis and development of a disease severity index. International Journal of Fruit Science 13: 459-465. (Abstract + Links)



Carris, L.M., Little, C.R., and Stiles, C.M. 2012. Introduction to fungi. The Plant Health Instructor: Online (doi:10.1094/PHI-I-2012-0426-01).

Prom, L.K., Perumal, R., Errattaimuthu, S.R., Little, C.R., No, E.G., Erpelding, J.E., Rooney, W.L., Odvody, G.N., and Magill, C.W. 2012. Genetic diversity and pathotype determination of Colletotrichum sublineolum isolates causing anthracnose in sorghum. European Journal of Plant Pathology 133: 671-685.

Tesso, T., Perumal, R., Little, C.R., Aduyanju, A., Radwan, G., Prom, L.K. and Magill, C.W. 2012. Sorghum pathology and biotechnology - A Fungal disease perspective: Part II. Anthracnose, stalk rot and downy mildew. The European Journal of Plant Science and Biotechnology 6: 31-44.

Little, C.R., Perumal, R., Tesso, T., Prom, L.K., Odvody, G.N. and Magill, C.W. 2012. Sorghum pathology and biotechnology - A fungal disease perspective: Part I. Grain Mold, Head Smut and Ergot. The European Journal of Plant Science and Biotechnology 6: 10-30.

Mengistu, A., Arelli, P.A., Bellaloui, N., Bond, J.P., Shannon, G.J., Wrather, A.J., Rupe, J.C., Chen, P., Little, C.R., Canaday, C.H., Newman, M.A. and Pantalone, V.R. 2012. Evaluation of soybean genotypes for resistance to three seed-borne diseases. Plant Health Progress: Online (doi:10.1094/PHP-2012-0321-02-RS).

Seifers, D.L., Perumal, R. and Little, C.R. 2012. New sources of resistance in sorghum (Sorghum bicolor) germplasm are effective against a diverse array of Potyvirus spp. Plant Disease 96: 1775-1779.



Liu, P., Guo, W., Jiang, Z., Pu, H., Feng, C., Zhu, X., Peng, Y., Kuang, A., and Little, C.R. 2011 Effects of high temperature after anthesis on starch granules in grains of wheat (Triticum aestivum L.). Journal of Agricultural Science 149: 159-169.

Yousef, S., Summy, K.R., and Little, C.R. 2011. Detection of salt toxicity and nitrogen deficiency in Cucumis sativus L. using spectroradiometry and CIR imagery. Journal of Plant Nutrition 34:1236-1244. (http://www.tandfonline.com/doi/abs/10.1080/01904167.2011.558164)

Mengistu, A., Arelli, P.A., Bond, J.P., Shannon, G.J., Wrather, A.J., Rupe, J.B., Chen, P., Little, C.R., Canaday, C.H., Newman, M.A., and Pantalone, V.R. 2011. Evaluation of soybean genotypes for resistance to charcoal rot. Plant Health Progress: Online (doi:10.1094/PHP-2010-0926-01-RS). (http://www.plantmanagementnetwork.org/sub/php/research/2011/charcoal/)

Brady, C.R., Noll, L.W., Saleh, A.A., and Little C.R. 2011. Disease severity and microsclerotium properties of the sorghum sooty stripe pathogen, Ramulispora sorgi. Plant Disease 95:853-859.

Radwan, G., Perumal, R., Isakeit, T., Magill, C.W., Prom, L.K., and Little, C.R. 2011. Screening exotic sorghum germplasm, hybrids and elite lines for resistance to a new virulent pathotype (P6) of Peronoslerospora sorghi causing downy mildew. Plant Health Progress: Online (doi: 10.1094/PHP-2011-0323-01-RS).



Noll, L.W., Butler, D.N., and Little, C.R. 2010. Tetrazolium violet staining of naturally and artificially molded sorghum (Sorghum bicolor (L.) Moench) caryopses. Seed Science and Technology 38: 742-757.

Tesso, T.T., Ochanda, N., Little, C.R., Claflin, L., and Tuinstra, M.R. 2010. Analysis of host plant resistance to multiple Fusarium species associated with stalk rot disease in sorghum [Sorghum bicolor (L.) Moench]. Field Crops Research 118: 177-182.

Summy, K.R., Little, C.R., Everitt, J.H., Mazariegos, R.A., French, J.V., Setamou, M. and Mata, J. 2010. Detection of incipient pest infestations on glasshouse crops using multispectral imagery and a common vegetation index. Subtropical Plant Science 62: 56-62.



Perez, J.L., French, J.V., Summy, K.R., Davelos Baines, A., and Little, C.R. 2009. Fungal phyllosphere communities are altered by indirect interactions among trophic levels. Microbial Ecology 57: 766-774.

Little, C.R., and Magill, C.W. 2009. The grain mold pathogen, Fusarium thapsinum, reduces caryopsis formation in Sorghum bicolor. Journal of Phytopathology 157: 518-519.



Summy, K.R. and Little, C.R. 2008. Using color infrared imagery to detect sooty mold and fungal pathogens of glasshouse-propatated plants. HortScience 43: 1485-1491.



Adee, E., Diaz, D.R., and Little, C.R. 2017. Soybean sudden death syndrome influenced by macronutrient fertility on irrigated soybeans in a corn/soybean rotation. Kansas Agricultural Experiment Station Research Reports, Vol. 3 (doi.org/10.4148/2378-5977.7431). (Abstract + Links)

Sassenrath, G., Little, C.R., Hsiao, C.J., and Shoup, D.E. 2017. Cover crop systems to control charcoal rot in soybeans. Kansas Agricultural Experiment Station Research Reports, Vol. 3 (doi:10.4148/2378-5977.1383). (Abstract + Links)

Adee, E., Little, C.R., and Ciampitti, I. 2016. Sudden death syndrome and soybean planting date. Kansas Agricultural Experiment Station Research Reports, Vol. 2 (doi:10.4148/2378-5977.1225). (Abstract + Links)