Research Project: Ecologically Sustainable Approaches to Insect Resistance Management in Bt Cotton

Location: Southern Insect Management Research

Publications (Clicking on the reprint icon will take you to the publication reprint.)

Anatomy of a pest control failure: introgression of cytochrome P450 337B3 alleles from invasive old-world bollworm into native corn earworm (Lepidoptera: Noctuidae) - (Peer Reviewed Journal)
Nufer, M., Coates, B.S., Abel, C.A., O'Neill, P., Mckracken, M., Jain, D., Pierce Iii, C.A., Glover, J.P., Towels, T., Reddy, G.V., Perera, O.P. 2024. Anatomy of a pest control failure: Introgression of cytochrome P450 337B3 alleles from invasive Helicoverpa armigera into native corn earworm (Lepidoptera: Noctuidae). Journal of Insect Science. 24:04(1-10). https://doi.org/10.1093/jisesa/ieae094.

Role of endophytic entomopathogenic fungi in mediating host selection, biology, behavior, and management of tarnished plant bug, Lygus lineolaris (Hemiptera: Miridae) - (Peer Reviewed Journal)
George, J., Glover, J.P., Perera, O.P., Reddy, G.V. 2024. Role of endophytic entomopathogenic fungi in mediating host selection, biology, behavior, and management of tarnished plant bug, Lygus lineolaris (Hemiptera: Miridae). Plants. 13(15):1-17. https://doi.org/10.3390/plants13152012.

Relative Expression of Crystalline Proteins among the Fruiting Structures of Transgenic Cotton Over Time and Its Impact on Bollworm Mortality - (Peer Reviewed Journal)
Little, N., Paulk, R.T., Elkins, B.H., Allen, K.C. 2024. Relative Expression of Crystalline Proteins among the Fruiting Structures of Transgenic Cotton Over Time and Its Impact on Bollworm Mortality. Southwestern Entomologist. 49(2):1-14. https://doi.org/10.3958/059.049.0215.

Sublethal effects of a commercial Bt product and Bt cotton flowers on the bollworm (Helicoverpa zea) with impacts to predation from a lady beetle (Hippodamia convergens) - (Peer Reviewed Journal)
Elkins, B.H., Portilla, M., Allen, K.C., Little, N., Mullen, R.M., Paulk, R.T., Read, Q.D. 2024. Sublethal effects of a commercial Bt product and Bt cotton flowers on the bollworm (Helicoverpa zea) with impacts to predation from a lady beetle (Hippodamia convergens). PLOS ONE. 19(5):e0302941. https://doi.org/10.1371/journal.pone.0302941.

Recent advancements in use of entomopathogens and nematophagous mites for management of plant parasitic nematodes - (Book / Chapter)
Sandhi, R.K., Briar, S.S., Reddy, G.V. 2024. Recent advancements in use of entomopathogens and nematophagous mites for management of plant parasitic nematodes. Sustainability in Plant and Crop Production. 02:151-182. https://doi.org/10.1007/978-3-031-52557-5_6.

Host plant resistance to insect pests in wheat - (Book / Chapter)
Sharma, A., Mendu, V., Reddy, G.V. 2024. Host plant resistance to insect pests in wheat. Book Chapter. 1:123-140. https://doi.org/10.1007/978-981-99-7520-4_5.

Acalypha ostryifolia: a natural refuge for Chloridea virescens and Helicoverpa zea (Lepidoptera: Noctuidae) in the Southern United States - (Peer Reviewed Journal)
Allen, K.C., Elkins, B.H., Little, N. 2023. calypha ostryifolia: a natural refuge for Chloridea virescens and Helicoverpa zea (Lepidoptera: Noctuidae) in the Southern United States. Annals of the Entomological Society of America. https://doi.org/10.1093/aesa/saad034.

Profitability of cotton, Gossypium hirsutum (L.), when controlling bollworm, Helicoverpa zea (Boddie), with variable treatment thresholds - (Peer Reviewed Journal)
Calvin, W., Yang, F., Gore, J., Greene, J.K., Kerns, D.L. 2023. Profitability of cotton, Gossypium hirsutum (L.), when controlling bollworm, Helicoverpa zea (Boddie), with variable treatment thresholds. Crop Protection. 173: 106368. https://doi.org/10.1016/j.cropro.2023.106368.

The world’s 100 worst invasive alien insect species differ in their characteristics from related non-invasive species - (Peer Reviewed Journal)
Zhao, Z., Hui, C., Peng, S., Yi, S., Li, Z., Reddy, G.V., Kleunen, M.V. 2023. The world’s 100 worst invasive alien insect species differ in their characteristics from related non-invasive species. Journal of Applied Ecology. 1-10. https://doi.org/10.1111/1365-2664.14485.

Factors affecting population dynamics of Helicoverpa zea (Lepidoptera: Noctuidae) in a mixed landscape with Bt cotton and peanut - (Peer Reviewed Journal)
Dos Santos, I., Paula-Moraes, S.V., Beuzelin, J., Hahn, D., Perera, O.P., Fraisse, C.W. 2023. Factors affecting population dynamics of Helicoverpa zea (Lepidoptera: Noctuidae) in a mixed landscape with Bt cotton and peanut. Insects. 14(4):395. https://doi.org/10.3390/insects14040395.

Evaluating efficacy and chemical concentrations of commonly used insecticides targeting tarnished plant bug in mid-south cotton - (Peer Reviewed Journal)
Smith, J., Crow, W., Catchot, A., Gore, J., Cook, D., Musser, F., Stewart, S., Brown, S., Thrash, B., Lorenz, G., Bateman, N., Studebaker, G., Towles, T., Kerns, D. 2023. Evaluating efficacy and chemical concentrations of commonly used insecticides targeting tarnished plant bug in mid-south cotton. Journal of Cotton Science. 27(2): 74-80.

Wheat long noncoding RNAs from organelle and nuclear genomes carry conserved microRNA precursors which may together comprise intricate networks in insect responses - (Peer Reviewed Journal)
Akpinar, B.A., Muslu, T., Ozturk-Gokce, Z.N., Reddy, G.V., Dogramaci, M., Budak, H. 2023. Wheat long noncoding RNAs from organelle and nuclear genomes carry conserved microRNA precursors which may together comprise intricate networks in insect responses. International Journal of Molecular Sciences. 24(3). Article 2226. https://doi.org/10.3390/ijms24032226.

Residual effects of novaluron and efficacy of subsequent applications to control Mid-South tarnished plant bug (Hemiptera: Miridae) populations - (Peer Reviewed Journal)
Mann, R., Crow, W., Catchot, A., Gore, J., Cook, D., Stewart, S., Thrash, B., Bateman, N. 2023. Residual effects of novaluron and efficacy of subsequent applications to control Mid-South tarnished plant bug (Hemiptera: Miridae) populations. Journal of Cotton Science. 27(1):37-42.

Biology, genetic diversity, and conservation of wild bees in tree fruit orchards - (Peer Reviewed Journal)
Kline, O., Phan, N.T., Porras, M.F., Chavana, J., Little C.Z., Stemet, L., Acharya R.S., Biddinger D.J., Reddy, G.V., Rajotte, E.G., Neelendra K.J. 2022. Biology, genetic diversity, and conservation of wild bees in tree fruit orchards. Biology. 12(1):31. https://doi.org/10.3390/biology12010031.

The contrasting response of crop production and pest damage to ENSO cycles - (Peer Reviewed Journal)
Wang, L., Reddy, G.V., Zhao, Z. 2023. The contrasting response of crop production and pest damage to ENSO cycles. Entomologia Generalis. 43:1-11. https://doi.org/10.1127/entomologia/2022/1688.

Effect of potassium application rate on cotton growth and yield under irrigated and dryland conditions - (Peer Reviewed Journal)
Denton, S., Dodds, D., Kurts, J., Gore, J., Raper, T., Cox, M., Dhillon, J. 2023. Effect of potassium application rate on cotton growth and yield under irrigated and dryland conditions. Agronomy Journal. 115 (1): 395-407. https://doi.org/10.1002/agj2.21245.

Helicoverpa armigera (Hubner) and Helicovera zea (Boddie) (Lepidoptera: Noctuidae) in Puerto Rico: phenology of flight, analysis of hybrid presence, and insecticide performance in field crops - (Peer Reviewed Journal)
Flores-Rivera, X.L., Paula-Moraes, S.V., Johnson, J., Jack, C., Perera, O.P. 2022. Helicoverpa armigera (Hubner) and Helicovera zea (Boddie) (Lepidoptera: Noctuidae) in Puerto Rico: phenology of flight, analysis of hybrid presence, and insecticide performance in field crops. Journal of Pest Science. https://doi.org/10.3389/finsc.2022.1010310.

Efficacy of Bt toxins and foliar insecticides against bollworm, Helicoverpa zea (Boddie), in dried flower corollas of cotton - (Peer Reviewed Journal)
Godbold, R.E., Whitney, C.D., Gore, J., Musser, F., Catchot, A.L., Dodds, .M., Cook, D.R., Little, N. 2023. Efficacy of Bt toxins and foliar insecticides against bollworm, Helicoverpa zea (Boddie), in dried flower corollas of cotton. Journal of Cotton Science. 27(1):28-36. https://doi.org/10.56454/ZNAX3626.

Practical resistance to cry toxins and efficacy of Vip3Aa in bt cotton against helicoverpa zea - (Peer Reviewed Journal)
Yang, F., Kerns, D.L., Little, N., Brown, S., Stewart, S., Catchot, A., Cook, D., Gore, J., Crow, W., Lorenz, G., Towles, T., Tabashnik, B.E. 2022. Practical resistance to cry toxins and efficacy of Vip3Aa in bt cotton against helicoverpa zea. Pest Management Science. 1:1-9. https://doi.org/10.1002/ps.7142.

Flower strips can promote natural enemy biodiversity and biocontrol services, and prevent pest resurgence in cotton crops - (Peer Reviewed Journal)
Yang, Q., Men, X., Zhang, K., Liu, M., Guo, W., Zhu, C., Zhao, W., Reddy, G.V., Ouyang, F., Ge, F. 2022. Flower strips can promote natural enemy biodiversity and biocontrol services, and prevent pest resurgence in cotton crops. Entomologia Generalis. 42:1-12. https://doi.org/10.1127/entomologia/2022/1545.

Standardized field trials in cotton and bioassays to evaluate resistance of tobacco thrips (Thysanoptera: Thripidae) to insecticides in the southern United States - (Peer Reviewed Journal)
Krob, J., Stewart, S., Brown, S., Kern, D., Graham, S., Perkins, C., Huseth, A., Kennedy, G., Reisig, D., Taylor, S., Towles, T., Kerns, D., Thrash, B., Bateman, N., Cook, D., Catchot, A. 2023. Standardized field trials in cotton and bioassays to evaluate resistance of tobacco thrips (Thysanoptera: Thripidae) to insecticides in the southern United States. Journal of Economic Entomology. 115(5):1693–1702. https://doi.org/10.1093/jee/toac136.

The association of the development of the internal reproductive organs of male desert locusts, Schistocerca gregaria (Orthoptera: Acrididae), with age, phase and the effect of exposure to pheromones. - (Peer Reviewed Journal)
Hiroyoshi, S., Mitsunaga, T., Reddy, G.V. 2022. The association of the development of the internal reproductive organs of male desert locusts, Schistocerca gregaria (Orthoptera: Acrididae), with age, phase and the effect of exposure to pheromones.. European Journal of Entomology. 119:300-308. https://doi.org/10.14411/eje.2022.031.

Estimation of resistance allele frequencies to Cry1A.105 and Cry2Ab2 in the corn earworm (Lepidoptera: Noctuidae) with F2 isolines generated from a mass-mating method - (Peer Reviewed Journal)
Yu, W., Head, G.P., Price, P., Brown, S., Cook, D., Ni, X., Reay-Jones, F.P., Dimase, M., Huang, F. 2022. Estimation of resistance allele frequencies to Cry1A.105 and Cry2Ab2 in the corn earworm (Lepidoptera: Noctuidae) with F2 isolines generated from a mass-mating method. Crop Protection. 161: 106054. https://doi.org/10.1016/j.cropro.2022.106054.

Effect of wavelength on development and demographic parameters of Scolothrips longicornis fed on two-spotted spider mites - (Peer Reviewed Journal)
Pakyari, H., Reddy, G.V. 2022. Effect of wavelength on development and demographic parameters of Scolothrips longicornis fed on two-spotted spider mites. Crop Protection. https://doi.org/10.1016/j.cropro.2022.106052.

Capturing wheat phenotypes at the genome level - (Peer Reviewed Journal)
Hussain, B., Akpinar, B.A., Alaux, M., Algharib, A.M., Sehgal, D., Ali, Z., Aradottir, G.I., Batley, J., Bellec, A., Bentley, A.R., Cagirici, H.B., Cattivelli, L., Choulet, F., Cockram, J., Desiderio, F., Devaux, P., Dogramaci, M., Dorado, G., Dreisigacker, S., Edwards, D., El-Hassouni, K., Eversole, K., Fahima, T., Figueroa, M., Galvez, S., Gill, K.S., Govta, L., Gul, A., Hensel, G., Hernandez, P., Herrera, L.C., Ibrahim, A., Kilian, B., Korzun, V., Krugman, T., Li, Y., Liu, S., Mahmoud, A.F., Morgounov, A., Muslu, T., Naseer, F., Ordon, F., Paux, E., Perovic, D., Reddy, G.V., Reif, J.C., Reynolds, M., Roychowdhury, R., Rudd, J., Sen, T.Z., Sukumaran, S., Ozdemir, B.S., Tiwari, V., Ullah, N., Unver, T., Yazar, S., Appels, R., Budak, H. 2022. Capturing wheat phenotypes at the genome level. Frontiers in Plant Science. 13. Article 851079. https://doi.org/10.3389/fpls.2022.851079.

Resistance allele frequency to Cry1Ab and Vip3Aa20 in Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) in Louisiana and three other Southeastern U.S. States - (Peer Reviewed Journal)
Lin, S., Oyediran, I., Niu, Y., Brown, S., Cook, D., Ni, X., Zhang, Y., Reay-Jones, P., Chen, J., Wen, Z., Diamase, M., Huang, F. 2022. Resistance allele frequency to Cry1Ab and Vip3Aa20 in Helicoverpa zea (Boddie) (Lepidoptera: Noctuidae) in Louisiana and three other Southeastern U.S. States. Toxins. 04/02/2022. https://doi.org/10.3390/toxins14040270.

A non-destructive method of calculating the wing area of insects - (Peer Reviewed Journal)
Yu, K., Reddy, G.V., Schrader, J., Guo, X., Li, Y., Jiao, Y., Shi, P. 2022. A non-destructive method of calculating the wing area of insects. Ecology and Evolution. 12:1-10. https://doi.org/10.1002/ece3.8792.

The supercooling responses of the solitary bee osmia excavata (Hymenoptera: Megachilidae) under the biological stress of its brood parasite, sapyga coma (Hymenoptera: Sapygidae) - (Peer Reviewed Journal)
Yan, Z., Wang, L., Reddy, G.V., Gu, S., Men, X., Xiao, Y., Ge, F., Ouyang, F., Su, J. 2022. The supercooling responses of the solitary bee osmia excavata (Hymenoptera: Megachilidae) under the biological stress of its brood parasite, sapyga coma (Hymenoptera: Sapygidae). Insects. 13(3):1-11. https://doi.org/10.3390/insects13030235.

Best management practices to delay the evolution of Bt resistance in lepidopteran pests without high susceptibility to Bt toxins in North America - (Peer Reviewed Journal)
Reisig, D., Difonzo, C., Dively, G., Farhan, Y., Gore, J., Smith, J. 2021. Best management practices to delay the evolution of Bt resistance in lepidopteran pests without high susceptibility to Bt toxins in North America. Journal of Economic Entomology. 115:10-25. https://doi.org/10.1093/jee/toab247.

Implications of experimental design on predicting economic optimum nitrogen rates in rice. - (Peer Reviewed Journal)
Atwill,, R., Krutz, L., Spencer, G., Bond, J., Reddy, K., Gore, J., Walker, T., Boykin, D. 2021. Implications of experimental design on predicting economic optimum nitrogen rates in rice.. Agronomy. 11:2296. https://doi.org/10.3390/agronomy11112296.

Implications of experimental design on predicting economic optimum nitrogen rates in rice. - (Peer Reviewed Journal)
Krutz, L., Spencer, G., Bond, J., Gore, J., Reddy, K., Walker, T., Boykin, D. 2021. Implications of experimental design on predicting economic optimum nitrogen rates in rice.. Agronomy. 11:2296. https://doi.org/10.3390/agronomy11112296.

Feeding behavior and fruiting form damage by bollworm (Lepidoptera: Noctuidae) in bt cotton - (Peer Reviewed Journal)
Godbold, R.E., Crow, W.D., Catchot, A.L., Gore, J., Cook, D.R., Dodds, D.M., Musser, F.M., Little, N. 2021. Feeding behavior and fruiting form damage by bollworm (Lepidoptera: Noctuidae) in Bt cotton. Journal of Economic Entomology. 115:160-167. https://doi.org/10.1093/jee/toab220.

Genetic knockouts indicate that the ABCC2 protein in the bollworm Helicoverpa zea is not a major receptor for the Cry1Ac insecticidal protein - (Peer Reviewed Journal)
Perera, O.P., Little, N., Abdelgaffar, H., Jurat-Fuentes, J., Reddy, G.V. 2021. Genetic knockouts indicate that the ABCC2 gene in the bollworm Helicoverpa zea is not a major receptor for the Cry1Ac insecticidal protein. Genes. 12(10):1522. https://doi.org/10.3390/genes12101522.

Early warning of resistance to Bt toxin Vip3Aa in Helicoverpa zea - (Peer Reviewed Journal)
Yang, F., Kerns, D.L., Little, N., Santiago Gonzalez, J.C., Tabashnik, B.E. 2021. Early warning of resistance to Bt toxin Vip3Aa in Helicoverpa zea. Toxins. 13(9):618. https://doi.org/10.3390/toxins13090618.

Development of economic thresholds toward bollworm (lepidoptera: noctuidae), management in Bt cotton, and assessment of the benefits from treating Bt cotton with insecticide - (Peer Reviewed Journal)
Calvin, W., Yang, F., Brown, S., Catchot, A., Crow, W., Cook, D., Gore, J., Kurtz, R., Lorenz, G., Seiter, N. 2021. Development of economic thresholds toward bollworm (Lepidoptera: Noctuidae), management in Bt cotton, and assessment of the benefits from treating Bt cotton with insecticide. Journal of Economic Entomology. 114:2493-2504. https://doi.org/10.1093/jee/toab173.

Effects of cover crops on beetle assemblages in tea plantations - (Peer Reviewed Journal)
Chen, L., Pozsgai, G., Li, X., Li, L., Reddy, G.V., You, M. 2021. Effects of cover crops on beetle assemblages in tea plantations. Crop Protection. 149:1-11. https://doi.org/10.1016/j.cropro.2021.105783.

Impact of cover crop species on soil physical properties, cotton yield, and profitability - (Peer Reviewed Journal)
Denton, S., Dodds, D., Krutz, L., Varco, J., Gore, J., Miles, B., Raper, T. 2021. Impact of cover crop species on soil physical properties, cotton yield, and profitability. Journal of Cotton Science. 25:67-68. https://doi.org/cotton.org/journal/2021-25/2.

Positional relationships among male reproductive organs in insects - (Book / Chapter)
Hiroyoshi, S., Reddy, G.V. 2021. Positional relationships among male reproductive organs in insects. In: Wu, W., editor. Male reproductive organs in insects. London, United Kingdom: IntechOpen Limited. p. 77407. https://doi.org/10.5772/intechopen.98798.

Quantifying the contribution of seed blended refugia in field corn to Helicoverpa zea (Lepidoptera : Noctuidae) populations - (Peer Reviewed Journal)
Towles, T.B., Buntin, G., Catchot, A.L., Gore, J., Cook, D.R., Caprio, M.A., Daves, C. 2021. Quantifying the contribution of seed blended refugia in field corn to Helicoverpa zea (Lepidoptera : Noctuidae) populations. Journal of Economic Entomology. 114: 1771-1778. https://doi.org/10.1093/jee/toab097.

Sublethal impacts of novaluron on tarnished plant bug, Lygus lineolaris (Palisot de Beauvois), adults - (Peer Reviewed Journal)
Catchot, B., Musser, F., Gore, J., Krishnan, N., Cook, D., Stewart, S., Lorenz, G., Brown, S., Seiter, N., Catchot, A. 2021. Sublethal impacts of novaluron on tarnished plant bug, Lygus lineolaris (Palisot de Beauvois), adults. Journal of Economic Entomology. 114:739-746. https://doi.org/10.1093/jee/toab007.

Rice cultivar response to sublethal concentrations of glyphosate and paraquat late in the season - (Peer Reviewed Journal)
Mccoy, J., Golden, B., Bond, J., Dodds, D., Bararpour, T., Gore, J. 2020. Rice cultivar response to sublethal concentrations of glyphosate and paraquat late in the season. Weed Technology. 35:251-257. https://doi.org/10.1017/wet.2020.112.

Effects of prolonged mass rearing on life history traits of Habrobracon hebetor (Hymenoptera: Braconidae) - (Peer Reviewed Journal)
Badran, F., Fathipour, Y., Bagheri, A., Attaran, M., Reddy, G.V. 2020. Effects of prolonged mass rearing on life history traits of Habrobracon hebetor (Hymenoptera: Braconidae). International Journal of Pest Management. https://doi.org/10.1080/09670874.2020.1830198.

Vertical and temporal distribution of Helicoverpa zea (Lepodoptera: Noctuidae) larvae in determinate and indeterminate soybean - (Peer Reviewed Journal)
Reisig, D., Cook, D., Greene, J., Caprio, M., Gore, J., Musser, F., Reay-Jones, F. 2020. Vertical and temporal distribution of Helicoverpa zea (Lepodoptera: Noctuidae) larvae in determinate and indeterminate soybean. Entomological Research Bulletin of. 111:282-288. https://doi.org/10.1017/S0007485320000619.

Tolerance of rice water weevil, lissorhoptrus oryzophilus kuschel (Coleoptera: Culrulionidae), infestations among hybrid and inbred rice cultivars in the Southern US - (Peer Reviewed Journal)
Villegas, J., Wilson, B., Way, M., Gore, J., Sout, M. 2021. Tolerance of rice water weevil, lissorhoptrus oryzophilus kuschel (Coleoptera: Culrulionidae), infestations among hybrid and inbred rice cultivars in the Southern US. Crop Protection. 139:105368. https://doi.org/10.1016/j.cropro.2020.105368.

Evaluation of cover crop cpecies termination timing prior to cotton production in Mississippi - (Peer Reviewed Journal)
Denton, S., Dodds, D., Krutz, L., Varco, J., Gore, J., Raper, T. 2020. Evaluation of cover crop cpecies termination timing prior to cotton production in Mississippi. Journal of Cotton Science. 24:97-103. https://doi.org/www.cotton.org/journal/2020-24/3/upload/JCS24-097.pdf.

Location of Helicoverpa zea (Lepidoptera: Noctuidae) larvae on different plant parts of determinate and indeterminate soybean - (Peer Reviewed Journal)
Reisig, D., Cook, D., Greene, J., Caprio, M., Gore, J., Musser, F., Reay-Jones, F. 2020. Location of Helicoverpa zea (Lepidoptera: Noctuidae) larvae on different plant parts of determinate and indeterminate soybean. Entomological Research Bulletin of. 110:725-731. https://doi.org/10.1017/S0007485320000280.