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Aphelenchoides besseyi (rice leaf nematode )
Aphelenchoides besseyi
rice leaf nematode
Aphelenchoides oryzae, Asteroaphelenchoides besseyi
Worldwide in rice cultivation
AR, CA, FL, HI, LA, TX
2025-08-18
nematode
Korea
Main: strawberry, rice; Other: onion, soyabean
APLOBE
Aphelenchoides besseyi is a plant-parasitic nematode that can survive inside seeds, allowing it to be spread through seed transmission. It can also move via water, contaminated tools, or handling, infecting new plants during early growth stages.
2 Known Hosts
Oryza sativa
rice
Yes
CABI CPC, ALOBE-1, APLOBE-2, APLOBE-3, APLOBE-4, APLOBE-5, APLOBE-6
Seed as a pathway is well established and accepted.
Yes
Sieve method, Dehulling
Both methods have been standardized by ISTA
ISTA
chemical, cultural
Aphelenchoides besseyi management relies on nematode-free seeds, resistant varieties, hot water or chemical seed treatments, timely field chemical applications, and cultural practices like sowing in dry soil before flooding to reduce infection.
CABI CPC, APLOBE-3, APLOBE-5
2025-08-18 12:35:46
CABI CPC
Crop Protection Compendium. Wallingford, UK: CAB International. www.cabi.org/cpc.
ALOBE-1
Ferris, H. 2019. Aphelenchoides besseyi. Nemaplex. www.nemaplex.ucdavis.edu.
APLOBE-2
Khan MR, et.al., 2012. Observations on the Foliar Nematode, Aphelenchoides besseyi, Infecting Tuberose and Rice in India. J. Nematol. 44: 391–398
APLOBE-3
Nemaplex.UCDavis.edu; Revision Date: 20-December-2024; Accessed 18-August-2025
APLOBE-4
Hoshino, S. and Togashi, K. 2020. Effects of temperatures on survival of Aphelenchoides besseyi in prolonged storage of rice grains. Nematology 22:1169-1177.
APLOBE-5
Taylor, A.L. 1969. "Nematode parasites of rice." Pp. 264-268, J.E. Peachey (ed.), Nematodes of Tropical Crops. Albans, Herts, England: Commonwealth Bureau of Helminthology.
APLOBE-6
Subbotin, S.A., Oliveira, C.J., Alvarez-Ortega, S., Desaeger, J., Crow, W., Overstreet, C., Leany, R., Vau, S. and Inserra, R.H. 2021. The taxonomic status of Aphelenchoides besseyi Christie, 1942 (Nematoda: Aphelenchoididae) populations from the Southeastern USA, and description of Aphelenchoides pseudobesseyi sp. n. Nematology 23: 381-413
ISTA
International Rules for Seed Testing. International Seed Testing Association; www.seedtest.org
Zea mays
corn
Not a host
ALOBE-1
Corn as a host is cited in several publications; however, these publications cite the reference above as indicating corn can be a host. This reference concludes that corn is not a host for this nematode.
2025-08-18 12:36:30
ALOBE-1
Ferris, H. 2019. Aphelenchoides besseyi. Nemaplex. www.nemaplex.ucdavis.edu.
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