Publications - Dr. Larry Duncan
Abd-Elgawad, M., Duncan, L., Hammam, M. M. A., El-Borai Kora, F., and Shehata, I. 2024. Effect of Mulching Manures and Use of Heterorhabditis Bacteriophora on Strawberry Fruit Yield Temnorhynchus baal and Meloidogyne javanica Under Field Conditions. Arab Journal for Plant Protection 42. https://doi.org/10.22268/AJPP-001262
Duncan, L., and Malan, A. P. 2024. Entomopathogenic Nematodes in Citrus Integrated Pest Management in South Africa and Florida. CABI Books: 274–296. https://doi.org/10.1079/9781800620322.0016
Filgueiras, C. C., Kim, Y., Wickings, K. G., El Borai, F., Duncan, L. W., and Willett, D. S. 2023. The Smart Soil Organism Detector: An instrument and machine learning pipeline for soil species identification. Biosensors and Bioelectronics 221:114417. https://doi.org/10.1016/j.bios.2022.114417
Dritsoulas, A., Wu, S. Y., Regmi, H., and Duncan, L. W. 2022. Arthropod Community Responses Reveal Potential Predators and Prey of Entomopathogenic Nematodes in a Citrus Orchard. Agronomy-Basel 12. https://doi.org/10.1016/j.jip.2021.107655
Wu, S. Y., and Duncan, L. W. 2022. Entomopathogenic nematode species combinations alter rates of dispersal, host encounter and insecticidal efficiency. Journal of Pest Science 95:1111-1119. https://doi.org/10.1016/j.jip.2021.107655
Baniya, A., Joseph, S., Duncan, L., Crow, W., and Mengistu, T. 2021a. The role of Caenorhabditis elegans sex-determination homologs, Mi-sdc-1 and Mi-tra-1 in Meloidogyne incognita. European Journal of Plant Pathology 161:439-452. https://doi.org/10.1007/s10658-021-02335-3
Dritsoulas, A., El-Borai, F. E., Shehata, I. E., Hammam, M. M., El-Ashry, R. M., Mohamed, M. M., Abd-Elgawad, M. M., and Duncan, L. W. 2021. Reclaimed desert habitats favor entomopathogenic nematode and microarthropod abundance compared to ancient farmlands in the Nile Basin. Journal of Nematology 53:13. https://doi.org/10.21307/jofnem-2021-047
Wu, S. H., Blackburn, M. B., Mizell, R. F., Duncan, L. W., Toews, M. D., Sparks, M. E., El-Borai, F., Bock, C. H., and Shapiro-Ilan, D. I. 2021. Novel associations in antibiosis stemming from an insect pupal cell. Journal of Invertebrate Pathology 184:9. https://doi.org/10.1016/j.jip.2021.107655
Dritsoulas, A., and Duncan, L. W. 2020. Optimizing for taxonomic coverage: a comparison of methods to recover mesofauna from soil. Journal of Nematology 52: e2020-104. https://doi.org/10.21307/jofnem-2020-104
Dritsoulas, A., Campos-Herrera, R., Blanco-Perez, R., and Duncan, L. W. 2020. Comparing high throughput sequencing and real time qPCR for characterizing entomopathogenic nematode biogeography. Soil Biology & Biochemistry 145: 107793. https://doi.org/10.1016/j.soilbio.2020.107793
Shehata, I. E., Hammam, M. M. A., El-Borai, F. E., Duncan, L. W., and Abd-Elgawad, M. M. M. 2020. Traits of the entomopathogenic nematode, Heterorhabditis bacteriophora (Hb-EG strain), for potential biocontrol in strawberry fields. Egyptian Journal of Biological Pest Control 30:107781. https://doi.org/10.1186/s41938-020-00233-0
Wu, S.-Y., and Duncan, L. W. 2020. Recruitment of an insect and its nematode natural enemy by olfactory cues from a saprophytic fungus. Soil Biology & Biochemistry 144. https://doi.org/10.1016/j.soilbio.2020.107781
Campos-Herrera, R., Stuart, R. J., Pathak, E., El-Borai, F. E., and Duncan, L. W. 2019. Temporal patterns of entomopathogenic nematodes in Florida citrus orchards: Evidence of natural regulation by microorganisms and nematode competitors. Soil Biology & Biochemistry 128:193-204. https://doi.org/10.1016/j.soilbio.2018.10.012
Hassani-Kakhki, M., Karimi, J., El Borai, F., Killiny, N., Hosseini, M., Stelinski, L. L., and Duncan, L. 2019. Drought Stress Impairs Communication Between Solanum tuberosum (Solanales: Solanaceae) and Subterranean Biological Control Agents. Annals of the Entomological Society of America Volume 113, Issue 1, Pages 23–29,. https://doi.org/10.1093/aesa/saz050
Shehata, I. E., Hammam, M. M. A., El-Borai, F. E., Duncan, L. W., and Abd-Elgawad, M. M. M. 2019. Comparison of virulence, reproductive potential, and persistence among local Heterorhabditis indica populations for the control of Temnorhynchus baal (Reiche & Saulcy) (Coleoptera: Scarabaeidae) in Egypt. Egyptian Journal of Biological Pest Control 29: 32. https://doi.org/10.1186/s41938-019-0137-5
Stock, S. P., Campos-Herrera, R., El-Borai, F. E., and Duncan, L. W. 2019. Steinernema khuongi n. sp. (Panagrolaimomorpha, Steinernematidae), a new entomopathogenic nematode species from Florida, USA. Journal of Helminthology 93:226-241. https://doi.org/10.1017/S0022149X18000081
Wu, S. Y., El-Borai, F. E., Graham, J. H., and Duncan, L. W. 2019. Geospatial relationships between native entomopathogenic nematodes and Fusarium solani in a Florida citrus orchard. Applied Soil Ecology 140:108-114. https://doi.org/10.1016/j.apsoil.2019.04.009
Heve, W. K., El-Borai, F. E., Carrillo, D., and Duncan, L. W. 2018a. Increasing entomopathogenic nematode biodiversity reduces efficacy against the Caribbean fruit fly Anastrepha suspensa: interaction with the parasitoid Diachasmimorpha longicaudata. Journal of Pest Science 91:799-813. https://doi.org/10.1007/s10340-017-0942-0
Heve, W. K., El-Borai, F. E., Johnson, E. G., Carrillo, D., Crow, W. T., and Duncan, L. W. 2018b. Responses of Anastrepha suspensa, Diachasmimorpha longicaudata, and Sensitivity of Guava Production to Heterorhabditis bacteriophora in Fruit Fly Integrated Pest Management. Journal of Nematology 50. https://doi.org/10.1007/s10340-017-0942-0
Stock, S. P., Campos-Herrera, R., El-Borai, F. E., and Duncan, L. W. 2018. Steinernema khuongi n. sp. (Panagrolaimomorpha, Steinernematidae), a new entomopathogenic nematode species from Florida, USA. Journal of Helminthology:1-16. https://doi.org/10.1017/S0022149X18000081
Wu, S.-Y., El-Borai, F. E., Graham, J. H., and Duncan, L. W. 2018. The saprophytic fungus Fusarium solani increases the insecticidal efficacy of the entomopathogenic nematode Steinernema diaprepesi. Journal of Invertebrate Pathology 159:87-94. https://doi.org/10.1016/j.jip.2018.10.004
Heve, W. K., El-Borai, F. E., Carrillo, D., and Duncan, L. W. 2017a. Biological control potential of entomopathogenic nematodes for management of Caribbean fruit fly, Anastrepha suspensa Loew (Tephritidae). Pest Management Science 73:1220-1228. https://doi.org/10.1002/ps.4447
Heve, W. K., El-Borai, F. E., Carrillo, D., and Duncan, L. W. 2017b. Increasing entomopathogenic nematode biodiversity reduces efficacy against the Caribbean fruit fly Anastrepha suspensa: interaction with the parasitoid Diachasmimorpha longicaudata. Journal of Pest Science 91: 799–813. https://doi.org/10.1007/s10340-017-0942-0
Pathak, E., Campos-Herrera, R., El-Borai, F. E., and Duncan, L. W. 2017. Spatial relationships between entomopathogenic nematodes and nematophagous fungi in Florida citrus orchards. Journal of Invertebrate Pathology 144:37-46. https://doi.org/10.1016/j.jip.2017.01.005
Campos-Herrera, R., El-Borai, F. E., Martin, J. A. R., and Duncan, L. W. 2016a. Entomopathogenic nematode food web assemblages in Florida natural areas. Soil Biology & Biochemistry 93:105-114. https://doi.org/10.1016/j.soilbio.2015.10.022
Campos-Herrera, R., Rodríguez Martín, J. A., Escuer, M., García-González, M. T., Duncan, L. W., and Gutiérrez, C. 2016b. Entomopathogenic nematode food webs in an ancient, mining pollution gradient in Spain. Science of The Total Environment 572:312-323. https://doi.org/10.1016/j.scitotenv.2016.07.187
El-Borai, F., Killiny, N., and Duncan, L. W. 2016. Concilience in Entomopathogenic Nematode Responses to Water Potential and Their Geospatial Patterns in Florida. Frontiers in Microbiology 7:356. https://doi.org/10.3389/fmicb.2016.00356
Filgueiras, C. C., Willett, D. S., Pereira, R. V., Moino Junior, A., Pareja, M., and Duncan, L. W. 2016a. Eliciting maize defense pathways aboveground attracts belowground biocontrol agents. Scientific Reports 6:36484. https://doi.org/10.1038/srep36484
Filgueiras, C. C., Willett, D. S., Moino, A., Pareja, M., El Borai, F., Dickson, D. W., Stelinski, L. L., and Duncan, L. W. 2016b. Stimulation of the Salicylic Acid Pathway Aboveground Recruits Entomopathogenic Nematodes Belowground. Plos One 11(5): e0154712. https://doi.org/10.1371/journal.pone.0154712
Heve, W. K., El-Borai, F. E., Carrillo, D., and Duncan, L. W. 2016. Biological control potential of entomopathogenic nematodes for management of Caribbean fruit fly, Anastrepha suspensa Loew (Tephritidae). Pest Management Science: Jun;73(6):1220-1228. https://doi.org/10.1002/ps.4447
Moore, S. D., and Duncan, L. W. 2017. Chapter 19 - Microbial Control of Insect and Mite Pests of Citrus A2 - Lacey, Lawrence A. Pages 283-298 in: Microbial Control of Insect and Mite Pests. Academic Press. https://doi.org/10.1016/B978-0-12-803527-6.00019-6
Troccoli, A., Subbotin, S. A., Chitambar, J. J., Janssen, T., Waeyenberge, L., Stanley, J. D., Duncan, L. W., Agudelo, P., Uribe, G. E. M., Franco, J., and Inserra, R. N. 2016. Characterisation of amphimictic and parthenogenetic populations of Pratylenchus bolivianus Corbett, 1983 (Nematoda: Pratylenchidae) and their phylogenetic relationships with closely related species. Nematology 18:651-678. https://doi.org/10.1163/15685411-00002981
Campos-Herrera, R., El-Borai, F. E., and Duncan, L. W. 2015. Modifying soil to enhance biological control of belowground dwelling insects in citrus groves under organic agriculture in Florida. Biological Control 84:53-63. https://doi.org/10.1016/j.biocontrol.2015.02.002
Willett, D. S., Alborn, H. T., Duncan, L. W., and Stelinski, L. L. 2015. Social Networks of Educated Nematodes. Scientific Reports 5:14388. https://doi.org/10.1038/srep14388
Campos-Herrera, R., J. G. Ali, B. M. Diaz, L. W. Duncan. 2013. Analyzing spatial patterns linked to the ecology of herbivores and their natural enemies in the soil. Frontiers in Plant Science 4: 378 . https://doi.org/10.3389/fpls.2013.00378
Duncan, L. W. and M. Moens. 2013. Migratory ectoparasites. In: Plant Nematology 2nd Edition. R. Perry and M. Moens, Eds. CAB International, St. Albans, UK, (In press).
Ali 2013 Sending mixed messages: A trophic cascade produced by a belowground herbivore induced signal. Journal of Chemical Ecology 39: 1140-1147. https://doi.org/10.1007/s10886-013-0332-x
Kamali, S., J. Karimi, M. Hosseini, R. Campos-Herrera, L.W. Duncan. 2013. Biocontrol potential of the entomopathogenic nematodes Heterorhabditis bacteriophora and Steinernema carpocapsae on Cucurbit fly, Dacus ciliatus (Diptera: Tephritidae). Biocontrol Science and Technology. 23: 1307-1323. https://doi.org/10.1080/09583157.2013.835790
Campos-Herrera, R., Pathak E., El-Borai, F.E., Stuart, R.J., Gutiérrez, C., Rodríguez-Martín, J.A., Graham, J.H., Duncan, L.W. 2013. Geospatial patterns of soil properties and the biological control potential of entomopathogenic nematodes in Florida citrus groves. Soil Biology and Biochemistry 66: 163-174. https://doi.org/10.1016/j.soilbio.2013.07.011
Campos-Herrera, R., Pathak E., El-Borai, F.E., Arnold Schumann, PhD; Mahfouz M Abd-Elgawad, Duncan, L.W. 2013. New citriculture system suppresses native and augmented entomopathogenic nematodes. Biologial Control 66: 183-194. https://doi.org/10.1016/j.biocontrol.2013.05.009
Duncan, L.W., R.J. Stuart, F.E. El-Borai, R. Campos-Herrera, E. Pathak and J.H. Graham. 2013. Modifying orchard planting sites conserves entomopathogenic nematodes, reduces weevil herbivory and increases citrus tree growth, survival and fruit yield. Biological Control 64: 26-36. https://doi.org/10.1016/j.biocontrol.2012.09.006
De Luca, F. et al. 2012. Pratylenchus speijeri n. sp. root-lesion nematode pest of plantain in West Africa. Nematology 14: 987-1004. https://doi.org/10.1163/156854112X638424
Campos.Herrera, R., El-Borai, F.E., Duncan, L.W. 2012. Real-time PCR as an effective technique to assess the impact of phoresy by Paenibacillus sp. bacteria on Steinernema diaprepesi nematodes in nature. Molecular Ecology Resources 12, 885-893. https://doi.org/10.1111/j.1755-0998.2012.03159.x
Campos–Herrera, R., F.E. El–Borai and L.W. Duncan. 2012. Wide interguild relationships among nematodes and fungi in soil as measured by real time qPCR. Journal of Invertebrate Pathology 111:126-135. https://doi.org/10.1016/j.jip.2012.07.006
Ali, J.G., H.T. Alborn, R.Campos-Herrera, F. Kaplan, L.W. Duncan, C. Rodriguez-Saona, A.M. Koppenhöfer and L.L. Stelinski. 2012. Subterranean, herbivore-induced plant volatile increases biological control activity of multiple beneficial nematode species in distinct habitats. PLoS ONE 7: e38146. doi:10.1371/journal.pone.0038146 https://doi.org/10.1371/journal.pone.0038146
Dolinski, C., H.Y. Choo, and L.W. Duncan. 2012. Grower acceptance of entomopathogenic nematodes: Case studies on three continents. Journal of Nematology 44: 226-235.
Gaver, T.P., A. Truszkowski, and L.W. Duncan. 2012. A summary of nematode soil sampling results from the Indian River area in 2010-2011Proceedings of the Florida State Horticultural Society 124: 93-95.
Pathak, E., F. E. El–Borai, R. Campos–Herrera, E.G. Johnsona, R.J. Stuart, J.H. Graham and L.W. Duncan. 2012. Use of real-time pcr to discriminate parasitic and saprophagous behavior by nematophagous fungi. Fungal Biology 116: 563-573. https://doi.org/10.1016/j.funbio.2012.02.005
El–Borai, F.E., R.J. Stuart, R. Campos–Herrera, E. Pathak, L.W. Duncan. 2012. Entomopathogenic nematodes, root weevil larvae, and dynamic interactions among soil texture, plant growth, herbivory, and predation. Journal of Invertebrate Pathology 109: 134-142. https://doi.org/10.1016/j.jip.2011.10.012
Campos-Herrera, R., El-Borai, F., Stuart, R.J., Graham, J.H., and Duncan, L.W. 2011. Entomopathogenic nematodes, phoretic Paenibacillus spp, and the use of real time quantitative PCR to explore soil food webs in Florida citrus groves. Journal of Invertebrate Pathology 108: 30-39. https://doi.org/10.1016/j.jip.2011.06.005
El–Borai, F.E., Campos–Herrera, R., R.J. Stuart, and Duncan, L.W. 2011. Substrate modulation, group effects and the behavioral responses of entomopathogenic nematodes to nematophagous fungi. Journal of Invertebrate Pathology 106: 347-356. https://doi.org/10.1016/j.jip.2010.12.001
Campos–Herrera, R., Johnson, E., El–Borai, F.K., Stuart, R.J., Graham, J.H., and Duncan, L.W. 2011. Long-term stability of entomopathogenic nematode spatial patterns measured by sentinel insects and real-time PCR assays. Annals of Applied Biology 158: 55-68. https://doi.org/10.1111/j.1744-7348.2010.00433.x
De Luca, F., A. Troccoli, L. W. Duncan, S. A. Subbotin, L. Waeyenberge, M. Moens, and R. N. Inserra. 2010. Characterization of a population of Pratylenchus hippeastri from bromeliads and description of its related new species, P. floridensis n. sp. and P. parafloridensis n. sp. from grasses in Florida. Nematology 12: 847-868. https://doi.org/10.1163/138855410X495809
Campos-Herrera, R., Duncan, L.W. , Stuart, R.J., El-Borai, F. and Gutierrez, C. 2010. Entomopathogenic Nematode Ecology and Biological Control in Florida Citrus Orchards. In, Integrated Management of Arthropod Pests and Insect Borne Diseases, A. Ciancio & K. G. Mukerji, eds. Springer Science+Business Media B.V., p. 97-126. https://doi.org/10.1007/978-90-481-8606-8_5
Duncan, L. W. 2009. Managing nematodes in citrus orchards. In, Integrated Management of Fruit Crops and Forest Nematodes, A. Ciancio & K. G. Mukerji, eds. Springer Science+Business Media B.V., p.135-173. https://doi.org/10.1007/978-1-4020-9858-1
Duncan, L.W., R. J. Stuart, and S. L. Lapointe. 2009. Use of landscape fabric to manage Diaprepes root weevil in citrus groves. Florida Entomologist 92: 74-79. https://doi.org/10.1653/024.092.0112
El-Borai, F.E. D.B. Bright, J.H. Graham, R.J. Stuart, J. Cubero, and L.W. Duncan. 2009. Differential Susceptibility of Entomopathogenic Nematodes to Nematophagous Fungi from Florida Citrus Orchards. Nematology 11: 233-243. https://doi.org/10.1163/156854109X429565
Duncan, L. W. and M. S. Phillips. 2009. Sampling root-knot nematodes. In, Root-knot nematodes, R. N. Perry, M. Moens, J. L. Starr. CAB International, St. Albans, UK, p.275-300. https://doi.org/10.1079/9781845934927.0275
Stuart, R. J., F. E. El-Borai, L. W. Duncan. 2008 From augmentation to conservation of entomopathogenic nematodes. Trophic cascades, habitat manipulation and enhanced biological control of Diaprepes abbreviatus in Florida citrus groves. Journal of Nematology 40: 73-84.
Futch, S. H., Graham, J. H., and Duncan, L. W. 2008. Citrus tree removal does not affect performance of reset trees. Horticulture Technology 18: 559-562. https://doi.org/10.21273/HORTTECH.18.4.559
McCoy, C. W., R. J. Stuart, D. I. Shapiro-Ilan, and L. W. Duncan. 2007. Application and evaluation of entomopathogens for citrus pest control. In: Field Manual of Techniques in Invertebrate Pathology: Application and Evaluation of Pathogens for Control of Insects and Other Invertebrate Pests, 2nd Edition (L. A. Lacey and H. K. Kaya, eds.). Kluwer Academic Publishers, Dordrecht, Netherlands (in press).
Duncan, L.W., J.H. Graham, J. Zellers, D. Bright, D. C. Dunn, F.E. El-Borai, and D.L. Porazinska. 2007. Food web responses to augmenting the entomopathogenic nematodes in bare and animal manure–mulched soil. Journal of Nematology 39:176-189.
Grosser, J.W., J.L. Chandler, and L.W. Duncan. 2007. Production of mandarin + pummelo somatic hybrid citrus rootstocks with potential for improved tolerance/resistance to sting nematode. Scientia Horticulturae 113: 33-36. https://doi.org/10.1016/j.scienta.2007.01.033
F. E. El-Borai, C. F. Brentu, and L. W. Duncan. 2007. Augmenting entomopathogenic nematodes in soil from a Florida citrus orchard: Non-target effects of a trophic cascade. Journal of Nematology 39: 203-210.
F.E. El-Borai and L.W. Duncan. 2007. Suppression of Diaprepes abbreviatus in Potted Citrus by Combinations of Entomopathogenic Nematodes with Different Lifespans. Nematropica 37: 33-41.
Duncan, L. W. and M. Moens. 2006. Migratory ectoparasites. In: Plant Nematology. R. Perry and M. Moens, eds. CAB International, St. Albans, UK, p. 123-153. https://doi.org/10.1079/9781845930561.0000
Inserra, R. N., R. Trocolli, U. Gozel, E. Bernard, D. Dunn, and L. W. Duncan. 2006. Pratylenchus hippeastri n.sp. from amaryllis in Florida with notes on Pratylenchus scribneri and P. hexincisus. Nematology 8:1-18. https://doi.org/10.1163/156854107779969754
Gozel, U., F. Lamberti, L. W. Duncan, A. Agostinelli, L. Rosso, K. Nguyen, and B. Adams. 2006. Molecular and morphological consilience in the characterization and delimitation of five nematode species from Florida belonging to the Xiphinema americanum group. Nematology 8:521-532. https://doi.org/10.1163/156854106778613958
Gozel, U., L. Duncan, B. Adams, K. Nguyen, R. Inserra, R. Giblin-Davis. 2006. A phylogeny of Belonolaimus populations in Florida inferred from DNA sequences. Nematropica 36:155-171.
Georgis, R., G. Belair, L. W. Duncan, P. S. Grewal, A. M. Koppenhöfer, L. A. Lacey, M. Samish, P. Torr, R. W. H. M. van Tol. 2006. Successes and failures of entomopathogenic nematodes. Biological Control 38:103-123.
Inserra, R. N., L. W. Duncan, D. Dunn, Z. A. Handoo, A. Troccoli, and J. Rowe. 2006. Pratylenchus jordanensis a junior synonym of P. zeae. Nematropica 35:161-170.
Shapiro-Ilan, D. I., L. W. Duncan, L. A. Lacey, and R. Han. 2005. Orchard crops. In: Nematodes as Biological Control Agents. P. Grewal, R.-U. Ehlers, and D. Shapiro-Ilan, eds. CAB International, St. Albans, UK, p. 215-230.
Elborai, F. E. and L. W. Duncan. 2005. Nematode parasites of subtropical and tropical fruit trees. In: Plant‑Parasitic Nematodes in Tropical & Subtropical Agriculture. Michel Luc, Richard Sikora, and John Bridge, eds. CAB International, St. Albans, UK, p. 467-491.
Duncan, L. W. 2005. Nematode parasites of citrus. In: Plant‑Parasitic Nematodes in Tropical & Subtropical Agriculture. Michel Luc, Richard Sikora, and John Bridge, eds. CAB International, St. Albans, UK, p. 437-466.
El-Borai, F. E., L. W. Duncan, and J. F. Preston. 2005. Bionomics of a phoretic association between Paenibacillus sp. and the entomopathogenic nematode Steinernema diaprepesi. Journal of Nematology 37:18-25.
Barbercheck M. and L. W. Duncan. 2004. Abiotic factors. In: Nematode Biology. R. Gaugler and B. Bilgrami, eds. CAB International, St. Albans, UK, p. 309-343.
Duncan, L. 2004. Prevalent problems. In: Encyclopedia of Plant & Crop Science. R. M. Goodman, ed. Marcel Dekker, New York, p. 800-804.
McSorley, R. and L. W. Duncan. 2004. Population dynamics. In: Nematology, Advances and Perspectives. Z. X. Chen, S. Y. Chen, and D. W. Dickson, eds. CAB International, Wallingford, UK, p. 469-492.
Molinari, S., F. Lamberti, L. W. Duncan, J. Halbrendt, J. Kotcon, G. S. Abawi, R. T. Robbins, A. P. Nyczepir, M. McHenry, J. C. Magunacelaya, R. Crozzoli, R. M. Lemos, P. Nagy, M. Moens, and D.J. F. Brown. 2004. SOD polymorphism in Xiphinema americanum-group (Nematoda: Longidoridae). Nematology 6:867-876. https://doi.org/10.1163/1568541044038579
Duncan, L. W., D. C. Dunn, and J. D. Zellers. 2003. Hydraulic lift and the fate of subterranean organisms in dry soil in the citrus rhizosphere. Proceedings of the International Citriculture IX Congress, Vol. II, p. 918-920.
McCoy, C. W., R. J. Stuart, L. W. Duncan, J. H. Graham, and H. N. Nigg. 2003. Soil arthropod pest management for citrus: Future solutions to a growing problem. Proceedings of the International Citriculture IX Congress, Vol. II, p. 733-735.
El-Borai, F. E., L. W. Duncan, J. H. Graham, and E. Dickstein. 2003. Tylenchulus semipenetrans alters the microbial community in the citrus rhizosphere. Journal of Nematology 35:167-177.
Duncan, L. W., D. C. Dunn, G. Bague, and K. Nguyen. 2003. Competition between entomopathogenic and free-living bactivorous nematodes in larvae of Diaprepes abbreviatus. Journal of Nematology 35:187-193.
Duncan, L. W., J. H. Graham, D. C. Dunn, J. Zellers, C. W. McCoy, and K. Nguyen. 2003. Incidence of endemic entomopathogenic nematodes following application of Steinernema riobrave for control of Diaprepes abbreviatus. Journal of Nematology 35:178-186.
Nigg, H. N., S. E. Simpson, R. J. Stuart, L. W. Duncan, C. W. McCoy, and F. G. Gmitter, Jr. 2003. Abundance of Diaprepes abbreviatus (L.) (Coleoptera, Curculionidae) neonates falling to the soil under tree canopies in Florida citrus groves. Journal of Economic Entomology 96:835-843. https://doi.org/10.1093/jee/96.3.835
Inserra, R. N., D. Achor, L. W. Duncan, and A. Troccoli. 2003. Ultrastructure of the attachment and feeding sites of Gracilacus latescens Raski, 1976 in timber bamboo roots. Nematology 5:307-312. https://doi.org/10.1163/156854103767139770
Macchia, E. T., R. McSorley, L. W. Duncan, and J. S. Syvertsen [sic]. 2003. Effects of perennial peanut (Arachis glabrata) ground cover on nematode communities in citrus. Journal of Nematology 35:450-457.
Nguyen, K. B. and L. W. Duncan. 2002. Steinernema diaprepese n. sp. (Rhabditida: Steinernematidae) a parasite of the citrus root weevil Diaprepes abbreviatus (L). Journal of Nematology 34:159-170.
McCoy, C. W., R. J. Stuart, L. W. Duncan, and K. Nguyen. 2002. Field efficacy of two commercial preparations of entomopathogenic nematodes against larvae of Diaprepes abbreviatus (Coleoptera: Curculionidae) in alfisol type soil. Florida Entomologist 85:537‑544. https://doi.org/10.1653/0015-4040(2002)085[0537:FEOTCP]2.0.CO;2
Lamberti, F., F. De Luca, S. Molinari, L. W. Duncan, A. Agostinelli, M. I. Coiro, D. Dunn, and V. Radici. 2002. Xiphinema chambersi and Xiphinema naturale sp.n., two monodelphic longidorids (Nematoda, Dorylaimida) from Florida. Nematologia Mediterranea 30:3-10.
Lamberti, F., F. De Luca, S. Molinari, L. W. Duncan, A. Agostinelli, M. I. Coiro, D. Dunn, and V. Radici. 2002. Studies on some species of the Xiphinema americanum group (Nematoda, Dorylaimida) occurring in Florida. Nematologia Mediterranea 30:31-44.
Corio, M. I., F. Lamberti, N. Sasanelli, L. W. Duncan, and A. Agostinelli. 2002. Reproduction and longevity of Xiphinema vulgare (Nematoda). Nematologia Mediterranea 30:91-95.
El-Borai, F. E., L. W. Duncan, and J. H. Graham. 2002. Eggs of Tylenchulus semipenetrans inhibit growth of Phytophthora nicotianae and Fusarium solani in vitro. Journal of Nematology 34:267-272.
El-Borai, F. E., L. W. Duncan, and J. H. Graham. 2002. Infection of citrus roots reduces root infection by Phytophthora nicotianae. Journal of Nematology 34:384-389.
Duncan, L. W. and C. W. McCoy. 2001. Hydraulic lift increases herbivory by Diaprepes abbreviatus larvae and persistence of Steinernema riobrave in dry soil. Journal of Nematology 33:142-146.
McCoy, C. W., L. W. Duncan, and D. I. Shapiro. 2001. Effect of Enzone as a soil fumigant on larval survival of Diaprepes abbreviatus in container-grown citrus. Florida Entomologist 84:147-150.
Inserra, R. N., L. W. Duncan, A. Troccoli, D. Dunn, J. Maia Sos Santos, and N. Vovlas. 2001. Pratylenchus jaehni sp.n. from citrus in Brazil and a redescription of P. coffeae. Nematology 3:653-665.
Duncan, L. W., C. W. McCoy, P. A. Stansly, J. H. Graham, and R. F. Mizell. 2001. Estimating the relative abundance of citrus root weevils with modified Tedders traps. Environmental Entomology 30:939-946. https://doi.org/10.1603/0046-225X-30.5.939
Lamberti, F., L. W. Duncan, F. DeLuca, S. Molinari, A. Agostinelli, D. Dunn, M. Coiro, V. Radicci. 2001. Biometric and molecular characterization and juvenile development stages of Xiphinema vulgare Tarjan 1964 (Nematode, Dorylaimida). Nematologia Mediterranea 29:137-144.
McKenzie, C. L., S. L. Lapointe, and L. W. Duncan. 2001. Landscape fabric as a physical barrier to neonate Diaprepes abbreviatus (Coleoptera: Curculionidae). Florida Entomologist 84:721-722.
McCoy, C. W., D. I. Shapiro, and L. W. Duncan. 2000. Application and evaluation of entomopathogens for citrus pest control. In: Manual of Techniques in Insect Pathology, Field Techniques. L. Lacey and H. Kaya, eds., p. 577-596. https://doi.org/10.1007/978-94-017-1547-8_25
Duncan, L. W. 2000. Burrowing nematodes. In: Encyclopedia of Plant Pathology. Otis C. Maloy and Timothy D. Murray, eds. John Wiley and Sons, Inc., New York, NY, p. 167-168.
Duncan, L. W. 2000. Citrus slow decline. In: Encyclopedia of Plant Pathology. Otis C. Maloy and Timothy D. Murray, eds. John Wiley and Sons, Inc., New York, NY, p. 119-220.
Duncan, L. W. 2000. Citrus spreading decline. In: Encyclopedia of Plant Pathology. Otis C. Maloy and Timothy D. Murray, eds. John Wiley and Sons, Inc., New York, NY, p. 220-222.
Ling, P., L. W. Duncan, Z. Deng, D. Dunn, X. Hu, S. Huang, and F. G. Gmitter, Jr. 2000. Inheritance of citrus nematode resistance and its linkage with molecular markers. Theoretical and Applied Genetics 100:1010-1017. https://doi.org/10.1007/s001220051382
McCoy, C. W., D. I. Shapiro, L. W. Duncan, and K. Nguyen. 2000. Entomopathogenic nematodes and other natural enemies as mortality factors for larvae of Diaprepes abbreviatus (Coleoptera: Curculionidae). Biological Control 19:182-190. https://doi.org/10.1006/bcon.2000.0852
Lehman, P. S., N. Vovlas, R. N. Inserra, L. W. Duncan, and D. T. Kaplan. 2000. Colonization of foliar tissues of an aquatic plant Anubias barteri Schott by Radopholus similis. Nematropica 30:63-75.