Host status of sweetpotato cultivars and germplasm to Rotylenchulus reniformis
By: Timothy S. Miller and Tristan T. Watson
References
- Abel, C. A., Adams, L. C., and Stetina, S. R. 2007. Sweetpotato yield reduction caused by reniform nematode in the Mississippi Delta. Plant Health Progress 8:2. https://doi.org/10.1094/PHP-2007-1115-01-RS.
- Agudelo, P., Robbins, R.T., Stewart, J.M., and Szalanski, A.L., 2005. Intraspecific variability of Rotylenchulus reniformis from cotton-growing regions in the United States. Journal of Nematology: 37 105–114.
- Alam, M. S., Khanal, C., Roberts, J., Rutter, W., and Wadl, P. 2024. Enhancing reniform nematode management in sweetpotato by complementing host-plant resistance with non-fumigant nematicides. Plant Disease 108:2000–2005. https://doi.org/10.1094/PDIS-07-23-1412-RE.
- Baermann, G. 1917. Eine einfache methode zur auffindung von Ancylostomum (Nematoden) larven in erdproben. Geneeskd Tijdschr Ned Indie 57:131–137.
- Baker, K., Carter, C., and Sasser, J. 1985. An advanced treatise on Meloidogyne. II.
- Bharti, O., Tiwari, S. P., Patidar, S. L., and Birla, D. 2015. Evaluation of inoculums level of Rotylenchulus reniformis on soybean cultivars. Annals of Plant and Soil Research. 17:269–271.
- Clark, C., Ferrin, D., Smith, T., and Holmes, G. 2013. Compendium of sweetpotato diseases, Pests, and disorders, Second, The American Phytopathological Society.
- Day, B., Langenbaker, R., Wright, C., Bobby, J., Cobon, J., Firrell, M., Hughes, M., O’Neill, W., Shuey, T., and Dennien, S. 2023. The effects of Rotylenchulus reniformis on two sweetpotato cultivars. Queensland Australia: Department of Agriculture and Fisheries.
- Diez, A., Lawrence, G. W., and Lawrence, K. S. 2003. Competition of Meloidogyne incognita and Rotylenchulus reniformis on cotton following separate and concomitant inoculations. Journal of Nematology. 35:422–429.
- Eisenback, J. 2000. Techniques for measuring nematode development and egg production. In T. Wheeler (Eds.), Laboratory Techniques in Nematode Ecology 16–19. Society of Nematologists.
- FAS Cairo. 2025. Overview of the Egyptian Sweetpotato Market - 2025. USDA. https://apps.fas.usda.gov/newgainapi/api/Report/DownloadReportByFileName? fileName = Overview%20of%20the%20Egyptian%20Sweetpotato%20Market%20-%202025_Cairo_Egypt_EG2025-0022.pdf
- Faske, T. R., Watson, T., Desaeger, J., Duffeck, M., Eisenback, J., Floyd, C., Grabau, Z. J., Hajihassani, A., Kelly, H., Kemerait, R., Lawrence, K., Mueller, J., Smith, M., Wheeler, T., and Ye, W. 2024. Summarized distribution of the reniform nematode, Rotylenchulus reniformis, in field crops in the United States. Plant Health Progress 25:506–508.
- Fraher, S., Schwarz, T., Heim, C., De Siqueira Gesteira, G., Mollinari, M., Da Silva Pereira, G., Zeng, Z.-B., Brown-Guedira, G., Gorny, A., and Yencho, G. C. 2024. Discovery of a major QTL for resistance to the guava root-knot nematode (Meloidogyne enterolobii) in ‘Tanzania’, an African landrace sweetpotato (Ipomoea batatas). Theoretical Applied Genetics. 137:234. https://doi.org/10.1007/s00122-024-04739-1.
- Francis, S., Stoddard, S., Mussoline, W., Gregorie, C., Harvey, L., and Schultheis, J. 2025. 2024 Sweetpotato Progress Report. National Sweetpotato Collaborators Group.
- Galo, D., Villordon, A., and Watson, T. T. 2025. Variations in root system architecture responses to Meloidogyne enterolobii and Meloidogyne incognita parasitism in sweetpotato genotypes. HortScience 60:741–749. https://doi.org/10.21273/HORTSCI18398-24.
- Jing-Wen, Y., Ling-Wei, W., Huan-Huan, H., Wen-Cui, W., Ya-Qin, L., Xi-Yue, Y., De-Liang, P., Peng, H., Shi-Ming, L., Ling-An, K., Hou-Xiang, K., and Wen-Kun, H. 2025. Advances of QTL Localization and GWAS Application in crop resistances against plant-parasitic nematodes. Agronomy 15, 2370. https://doi.org/10.3390/agronomy15102370.
- Jones, A., Dukes, P. D., Schalk, J. M., Hamilton, M. G., Mullen, M. A., Baumgardner, R. A., Paterson, D. R., and Boswell, T. E. 1985. ‘Regal’ Sweet Potato. HortScience 20:781–782. https://doi.org/10.21273/HORTSCI.20.4.781.
- Khanal, C., McGawley, E. C., Overstreet, C., and Stetina, S. R. 2018. The elusive search for reniform nematode resistance in cotton. Phytopathology® 108:532–541. https://doi.org/10.1094/PHYTO-09-17-0320-RVW.
- Kiarie, L., Price, P. P., and Watson, T. T. 2025. Evaluation of resistance in soybean varieties to Rotylenchulus reniformis in Louisiana fields. Journal of Nematology 57:20250039. https://doi.org/10.2478/jofnem-2025-0039.
- Li, R., Rashotte, A. M., Singh, N. K., Lawrence, K. S., Weaver, D. B., and Locy, R. D. 2015. Transcriptome analysis of cotton (Gossypium hirsutum L.) genotypes that are susceptible, resistant, and hypersensitive to reniform nematode (Rotylenchulus reniformis). PLOS ONE 10:e0143261. https://doi.org/10.1371/journal.pone.0143261.
- Lindhout, P. 2002. The perspectives of polygenic resistance in breeding for durable disease resistance. Euphytica. 124:217-226. https://doi.org/10.1023/A:1015686601404.
- Lindqvist-Kreuze, H., Bonierbale, M., Grüneberg, W. J., Mendes, T., De Boeck, B., and Campos, H. 2023. Potato and sweetpotato breeding at the International Potato Center: approaches, outcomes and the way forward. Theoretical Applied Genetics 137:12. https://doi.org/10.1007/s00122-023-04515-7.
- Martin, W. J. 1960. The reniform nematode may be a serious pest of the sweetpotato. Plant Disease Reporter 44:216.
- Matsuo, É., Ferreira, P. A., Sediyama, T., Ferraz, S., Borém, A., and Fritsche-Neto, R. 2012. Breeding for Nematode Resistance. In Plant Breeding for Biotic Stress Resistance, eds. Roberto Fritsche-Neto and Aluízio Borém. Berlin, Heidelberg: Springer, pp. 81–102. https://doi.org/10.1007/978-3-642-33087-2_5.
- Miller, T. S., and Watson, T. T. 2025. A review of the reniform nematode’s impact on sweetpotato production. Plant Health Progress 26:252–254. https://doi.org/10.1094/PHP-03-25-0098-MR.
- Moore, S. R., Lawrence, K. S., Arriaga, F. J., Burmester, C. H., and van Santen, E. 2010. Natural migration of Rotylenchulus reniformis in a no-till cotton system. Journal of Nematology 42:307–312
- Roberts, P. A. 2002. Concepts and consequences of resistance. In Plant resistance to parasitic nematodes, CABI Publishing, pp. 23–41.
- Robinson, A. F. 2007. Reniform in U.S. cotton: when, where, why, and some remedies. Annual Review of Phytopathology. 27, 45:263–288. https://doi.org/10.1146/annurev.phyto.45.011107.143949.
- Robinson, A. F., Inserra, R. N., Caswell-Chen, E. P., Vovlas, N., and Troccoli, A. 1997. Review: Rotylenchulus species: identification, distribution, host ranges, and crop plant resistance. Nematropica 127–180.
- Ruiz, R. S., Seepaul, R., Small, I. M., and Grabau, Z. J. 2025. Rotylenchulus reniformis management and vertical distribution in summer-winter crop rotations including carinata. Journal of Nematology 57:20250052. https://doi.org/10.2478/jofnem-2025-0052.
- Rutter, W. B., Wadl, P. A., Mueller, J. D., and Agudelo, P. 2021. Identification of sweetpotato germplasm resistant to pathotypically distinct isolates of Meloidogyne enterolobii from the Carolinas. Plant Disease 105:3147–3153. https://doi.org/10.1094/PDIS-02-20-0379-RE.
- Singh, B., Chastain, D., Kaur, G., Snider, J. L., Stetina, S. R., and Bazzer, S. K. 2023. Reniform nematode impact on cotton growth and management strategies: A review. Agronomy Journal 115:2140–2158. https://doi.org/10.1002/agj2.21368.
- Slonecki, T. J., Rutter, W. B., Olukolu, B. A., Yencho, G. C., Jackson, D. M., and Wadl, P. A. 2023. Genetic diversity, population structure, and selection of breeder germplasm subsets from the USDA sweetpotato (Ipomoea batatas) collection. Frontiers in Plant Science 13:1022555. https://doi.org/10.3389/fpls.2022.1022555.
- Stetina, S. R., Young, L. D., Pettigrew, W. T., and Bruns, H. A. 2007. Effect of corn-cotton rotations on reniform nematode populations and crop yield. Nematropica 37:237–248.
- Thomas, R. J., and Clark, C. A. 1983. Population dynamics of Meloidogyne incognita and Rotylenchulus reniformis alone and in combination, and their effects on sweetpotato. Jounral of Nematology 15:204–211.
- Tridge. 2024. Sweet Potato global exports and top exporters 2024. https://www.tridge.com/intelligences/sweet-potato/export (accessed 6 Nov 2024).
- Villordon, A., and Clark, C. 2018. Variation in root architecture attributes at the onset of storage root formation among resistant and susceptible sweetpotato cultivars infected with Meloidogyne incognita. HortScience 53:1924–1929.
- Watson, T. T. 2024. Cotton host resistance as a tool for managing Rotylenchulus reniformis in Louisiana. Journal of Nematology 56:20240014. https://doi.org/10.2478/jofnem-2024-0014.
- Watson, T. T., Hamm, C. S., and Gregorie, C. J. 2023. Evaluation of fumigant and non-fumigant nematicides for management of Rotylenchulus reniformis on sweetpotato. Journal of Nematology 55:20230061. https://doi.org/10.2478/jofnem-2023-0061.
Language: English
Page range: 532 - 540
Submitted on: Mar 2, 2026
Accepted on: Jul 13, 2026
Published on: Oct 19, 2026
Published by: Society of Nematologists, Inc.
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year
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© 2026 Timothy S. Miller, Tristan T. Watson, published by Society of Nematologists, Inc.
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.