Research Project: Biology and Management of Herbicide-Resistant Weeds

Location: Crop Production Systems Research

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

Interactions and effects on cysteine synthase activity of aminooxyacetate and boc-aminooxyacetate on the bioherbicides collectrotrichum truncatum and alternaria cassia and their weed hosts - (Peer Reviewed Journal)
Hoagland, R.E., Hirase, K., Boyette, C.D. 2021. Interactions and effects on cysteine synthase activity of aminooxyacetate and boc-aminooxyacetate on the bioherbicides collectrotrichum truncatum and alternaria cassia and their weed hosts. American Journal of Plant Sciences. https://doi.org/10.4236/ajps.2021.125052.

The role of extrachromosomal DNA in rapid adaption in pigweed - (Popular Publication)
Saski, C., Molin, W.T. 2021. The role of extrachromosomal DNA in rapid adaption in pigweed. Research Outreach. 120:30-33. https://doi.org/10.32907/RO-120-3033.

Homogeneity among glyphosate-resistant Amaranthus palmeri in geographically distant locations - (Peer Reviewed Journal)
Molin, W.T., Saski, C.A., Patterson, E.L. 2020. Homogeneity among glyphosate-resistant Amaranthus palmeri in geographically distant locations. PLoS ONE. 15(9):e0233813. https://doi.org/10.1371/journal.pone.0233813.

Target site-based resistance to ALS inhibitors, glyphosate, and PPO inhibitors in an Amaranthus palmeri accession from Mississippi - (Peer Reviewed Journal)
Nandula, V.K., Giacomini, D.A., Molin, W.T. 2020. Target site-based resistance to ALS inhibitors, glyphosate, and PPO inhibitors in an Amaranthus palmeri accession from Mississippi. American Journal of Plant Sciences. 11:1206-1216. https://doi.org/10.4236/ajps.2020.118085.

Comparison of WeatherMax® and Engame™ formulations of glyphosate on cotyledon surface structure, chlorophyll A fluorescence and shikimate levels in isogenic cotton cultivars differing in Roundup resistance - (Peer Reviewed Journal)
Molin, W.T., Bowling, A.J., Vaughn, K.C. 2020. Comparison of WeatherMax® and Engame™ formulations of glyphosate on cotyledon surface structure, chlorophyll A fluorescence and shikimate levels in isogenic cotton cultivars differing in Roundup resistance. American Journal of Plant Sciences. 11:1193-1205. https://doi.org/10.4236/ajps.2020.118084.

Resistance to acetolactate synthase inhibitors is due to a W 574 to L amino acid substitution in the ALS gene of redroot pigweed and tall waterhemp - (Peer Reviewed Journal)
Nandula, V.K., Giacomini, D.A., Ray, J.D. 2020. Resistance to acetolactate synthase inhibitors is due to a TRP 574 to LEU amino acid substitution in the ALS gene of redroot pigweed and tall waterhemp from Mississippi. PLoS ONE. 15:6. https://doi.org/10.1371/journal.pone.0235394.

Herbicide resistance in weed populations of Mississippi: A Review - (Review Article)
Nandula, V.K. 2020. Herbicide resistance in weed populations of Mississippi: A Review. Journal of the Mississippi Academy of Sciences. 65(3).

The EccDNA Replicon: A heritable, extranuclear vehicle that enables gene amplification and glyphosate resistance in Amaranthus palmeri - (Peer Reviewed Journal)
Molin, W.T., Yaguchi, A., Blenner, M., Saski, C.A. 2020. The EccDNA Replicon: A Heritable, Extranuclear Vehicle That Enables Gene Amplification and Glyphosate Resistance in Amaranthus palmeri. The Plant Cell. 32:2132-2140. https://doi.org/10.1105/tpc.20.00099.

Effects of Myrothecium verrucaria on two glyphosate-resistant Amaranthus palmeri biotypes differing in Betacyanin content - (Peer Reviewed Journal)
Hoagland, R.E., Boyette, C.D., Jordan, R.H., Stetina, K.C. 2020. Effects of Myrothecium verrucaria on two glyphosate-resistant Amaranthus palmeri biotypes differing in Betacyanin content. American Journal of Plant Sciences. 11:214-225.

Early growth and development of Horseweed (Conyza canadensis (L.) Cronq.) - (Peer Reviewed Journal)
Molin, W.T., Parys, K.A., Beck, C.L. 2020. Early growth and development of Horseweed (Conyza canadensis (L.) Cronq.). American Journal of Plant Sciences. 11:40-50.

Variation in 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) coding sequences and glyphosate response among Cyperus rotundus L. populations - (Peer Reviewed Journal)
Molin, W.T., Bryson, C.T. 2019. Variation in 5-enolpyruvylshikimate-3-phosphate synthase (EPSPS) coding sequences and glyphosate response among Cyperus rotundus L. populations. American Journal of Plant Sciences. 10(12):2366-2381. https://doi.org/10.4236/ajps.2019.1012164.

Resistance to clethodim in Italian ryegrass (Lolium perenne ssp. multiflorum) from Mississippi and North Carolina - (Peer Reviewed Journal)
Nandula, V.K., Giacomini, D.A., Lawrence, B.H., Molin, W.T., Bond, J.A. 2020. Resistance to clethodim in Italian ryegrass (Lolium perenne ssp. multiflorum) from Mississippi and North Carolina. Pest Management Science. 76:1378-1385.

Herbicide resistance traits in corn and soybean: Current status and future outlook - (Review Article)
Nandula, V.K. 2019. Herbicide resistance traits in corn and soybean: Current status and future outlook. Plants. 8(9):337. https://doi.org/10.3390/plants8090337.

How Amaranthus palmeri evolved from an obscure plant of North America to become the biggest weed problem in the US corn and soybean belt - (Review Article)
Molin, W.T. 2019. How Amaranthus palmeri evolved from an obscure plant of North America to become the biggest weed problem in the US corn and soybean belt. Outlooks on Pest Management. pp. 1-4.

Multiple herbicide resistance in California Italian ryegrass (Lolium perenne ssp. multiforum) I: Characterization of ALS-inhibiting herbicide resistance - (Peer Reviewed Journal)
Tehranchian, P., Nandula, V.K., Matzrafi, M., Jasieniuk, M. 2019. Multiple herbicide resistance in California Italian ryegrass (Lolium perenne ssp. multiforum) I: Characterization of ALS-inhibiting herbicide resistance. Weed Science. 67:273-280.

Herbicide metabolism: Crop selectivity, bioactivation, weed resistance mechanisms, and regulation - (Review Article)
Nandula, V.K., Riechers, D.E., Ferhatoglu, Y., Barrett, M., Duke, S.O., Dayan, F.E., Goldberg-Cavalleri, A., Tetard-Jones, C., Wortley, D.J., Onkokesugn, N., Brazier-Hicks, M., Edwards, R., Gaines, T., Iwakami, S., Jugulam, M., Ma, R. 2019. Herbicide metabolism: Crop selectivity, bioactivation, weed resistance mechanisms, and regulation. Weed Science. 67:149-175.

Interaction of glufosinate and Colletotrichum truncatum on ammonia levels and glutamine synthetase activity in Hemp sesbania - (Peer Reviewed Journal)
Hoagland, R.E., Boyette, C.D., Jordan, R.H., Stetina, K.C. 2018. Interaction of glufosinate and Colletotrichum truncatum on ammonia levels and glutamine synthetase activity in Hemp sesbania. American Journal of Plant Sciences. 9:2320-2337.

Interaction of the bioherbicide Myrothecium verrucaria with technical-grade glyphosate on glyphosate-susceptible and -resistant Palmer amaranth - (Peer Reviewed Journal)
Hoagland, R.E., Boyette, C.D., Jordan, R.H., Stetina, K.C. 2018. Interaction of the bioherbicide Myrothecium verrucaria with technical-grade glyphosate on glyphosate-susceptible and -resistant Palmer amaranth. American Journal of Plant Sciences. 9:2306-2319.

Influence of water quality, formulation, adjuvant, rainfastness, and nozzle type on efficacy of fomesafen on Palmer Amaranth (Amaranthus palmeri) control - (Peer Reviewed Journal)
Nandula, V.K., Molin, W.T., Bond, J.A. 2018. Influence of water quality, formulation, adjuvant, rainfastness, and nozzle type on efficacy of fomesafen on Palmer Amaranth (Amaranthus palmeri) control. American Journal of Plant Sciences. 9:1660-1676.

Glyphosate-resistant junglerice (Echinochloa colona) from Mississippi and Tennessee: Magnitude and resistance mechanisms - (Peer Reviewed Journal)
Nandula, V.K., Montgomery, G.B., Vennapusa, A.R., Jugulam, M., Giacomini, D.A., Ray, J.D., Bond, J.A., Steckel, L.E., Tranel, P.J. 2018. Glyphosate-resistant junglerice (Echinochloa colona) from Mississippi and Tennessee: Magnitude and resistance mechanisms. Weed Science. 66:603-610.

Recent advances in deciphering metabolic herbicide resistance mechanisms - (Book / Chapter)
Nandula, V.K. 2018. Recent advances in deciphering metabolic herbicide resistance mechanisms. In: Jugulam, Mithila, editor. Biology, Physiology and Molecuar Biology of Weeds. CRC Press, Taylor and Francis Group. p. 144-155.

Extrachromosomal circular DNA-based amplification and transmission of herbicide resistance in crop weed Amaranthus palmeri - (Peer Reviewed Journal)
Koo, D., Molin, W.T., Saski, C.A., Jiang, J., Putta, K., Jugulam, M., Friebe, B., Gill, B.S. 2018. Extrachromosomal circular DNA-based amplification and transmission of herbicide resistance in crop weed Amaranthus palmeri. Proceedings of the National Academy of Sciences. hppts://doi.10.1073/pnas.1719354115.

Multiple herbicide-resistant Junglerice (Echinochloa colona): Identification of genes potentially involved in resistance through differential gene expression analysis - (Peer Reviewed Journal)
Wright, A.A., Rodriguez-Carres, M., Sasidharan, R., Koski, L., Peterson, D.G., Nandula, V.K., Ray, J.D., Bond, J.A., Shaw, D.R. 2018. Multiple herbicide-resistant Junglerice (Echinochloa colona): Identification of genes potentially involved in resistance through differential gene expression analysis. Weed Science. 66:347-354.

Comparative metabolomic analyses of two Ipomoea lacunosa biotypes with contrasting glyphosate tolerance elucidates glyphosate-induced differential perturbations in cellular physiology - (Peer Reviewed Journal)
Maroli, A.S., Nandula, V.K., Duke, S.O., Gerard, P., Tharayil, N. 2017. Comparative metabolomic analyses of two Ipomoea lacunosa biotypes with contrasting glyphosate tolerance elucidates glyphosate-induced differential perturbations in cellular physiology. Journal of Agricultural and Food Chemistry. (66):2027-2039.

Extending the shelf-life of Myrothecium verrucaria, a bioherbicide - (Peer Reviewed Journal)
Hoagland, R.E., Boyette, C.D., Stetina, K.C. 2017. Extending the shelf-life of Myrothecium verrucaria, a bioherbicide. American Journal of Plant Sciences. 8:3272-3284.

Multiple resistance to glyphosate, paraquat and ACCase-inhibiting herbicides in Italian ryegrass populations from California: Confirmation and mechanisms of resistance - (Peer Reviewed Journal)
Tehranchian, P., Nandula, V.K., Jugulam, M., Putta, K., Jasieniuk, M. 2017. Multiple resistance to glyphosate, paraquat and ACCase-inhibiting herbicides in Italian ryegrass populations from California: Confirmation and mechanisms of resistance. Pest Management Science. 74:868-877.

Sustainable weed control in cotton - (Book / Chapter)
Reddy, K.N., Molin, W.T. 2019. Sustainable weed control in cotton. In: Korres, N.E., Burgos, N.R., and Duke, S.O., editors. Weed Control Sustainability, Hazards and Risks in Cropping Systems Worldwide. Boca Raton, Florida, CRC Press: Taylor and Francis Group. p. 306-324.

Transcriptomic changes in Echinochloa colona in response to treatment with the herbicide imazamox - (Peer Reviewed Journal)
Wright, A.A., Sasidharan, R., Koski, L., Rodriguez-Carres, M., Peterson, D.G., Nandula, V.K., Ray, J.D., Bond, J.A., Shaw, D.R. 2018. Transcriptomic changes in Echinochloa colona in response to treatment with the herbicide imazamox. Planta. 247:369-379.

Survey of the genomic landscape surrounding the EPSPS gene in glyphosate resistant Amaranthus palmeri from geographically distant populations in the United States - (Peer Reviewed Journal)
Molin, W.T., Wright, A.A., Vangessel, M.J., McCloskey, W.B., Jugulam, M., Hoagland, R.E. 2018. Survey of the genomic landscape surrounding the EPSPS gene in glyphosate resistant Amaranthus palmeri from geographically distant populations in the United States. Pest Management Science. 74:1109-1117.

Morphological characterization of Amaranthus palmeri x A. spinosus hybrids - (Peer Reviewed Journal)
Molin, W.T., Nandula, V.K. 2017. Morphological characterization of Amaranthus palmeri x A. spinosus hybrids. American Journal of Plant Sciences. 8:1499-1510.

Glyphosate resistance in common ragweed (Ambrosia artemisiifolia L.)from Mississippi, USA - (Peer Reviewed Journal)
Nandula, V.K., Tehranchian, P., Bond, J.A., Norsworthy, J.K., Eubank, T.W. 2017. Glyphosate resistance in common ragweed (Ambrosia artemisiifolia L.)from Mississippi, USA. Weed Biology and Management. 17:45-53.

Effect of new auxin herbicide formulations on control of herbicide resistant weeds and on microbial activities in the rhizosphere - (Peer Reviewed Journal)
Nandula, V.K., Tyler, H.L. 2016. Effect of new auxin herbicide formulations on control of herbicide resistant weeds and on microbial activities in the rhizosphere. American Journal of Plant Sciences. 7:2429-2439.

Bioherbicidal efficacy of a Myrothecium verrucaria-sector on several plant species - (Peer Reviewed Journal)
Hoagland, R.E., Boyette, C.D., Stetina, K.C., Jordan, R.H. 2016. Bioherbicidal efficacy of a Myrothecium verrucaria-sector on several plant species. American Journal of Plant Sciences. 7:2376-2389.

The unique genomic landscape surrounding the EPSPS gene in glyphosate resistant Amaranthus palmeri: A repetitive path to resistance - (Peer Reviewed Journal)
Molin, W.T., Wright, A.A., Lawton-Rauh, A., Saski, C.A. 2017. The unique genomic landscape surrounding the EPSPS gene in glyphosate resistant Amaranthus palmeri: A repetitive path to resistance. BMC Genomics. doi:10.1186/s12864-016-3336-4.

Controlling herbicide-susceptible, -tolerant and -resistant weeds with microbial bioherbicides - (Review Article)
Hoagland, R.E., Boyette, C.D. 2016. Controlling herbicide-susceptible, -tolerant and -resistant weeds with microbial bioherbicides. Outlooks on Pest Management. 27:256-266.

Weed hosts and relative weed and cover crop susceptibility to Rotylenchulus reniformis in the Mississippi Delta - (Peer Reviewed Journal)
Molin, W.T., Stetina, S.R. 2016. Weed hosts and relative weed and cover crop susceptibility to Rotylenchulus reniformis in the Mississippi Delta. Nematropica. 46:121-131.

Stable isotope resolved metabolomics reveals the role of anabolic and catabolic processes in glyphosate-induced amino acid accumulation in Amaranthus palmeri biotypes - (Peer Reviewed Journal)
Maroli, A.S., Nandula, V.K., Duke, S.O., Tharayil, N. 2016. Stable isotope resolved metabolomics reveals the role of anabolic and catabolic processes in glyphosate-induced amino acid accumulation in Amaranthus palmeri biotypes. Journal of Agricultural and Food Chemistry. 64:7040-7048.

Characterization of Fenoxaprop-P resistant Echinochloa colona from Mississippi - (Peer Reviewed Journal)
Wright, A.A., Nandula, V.K., Grier, L., Showmaker, K.C., Bond, J.A., Peterson, D.G., Ray, J.D., Shaw, D.R. 2017. Characterization of Fenoxaprop-P resistant Echinochloa colona from Mississippi. Weed Science. 61,4:588-595. https://doi.org/10.1614/WS-D-16-00024.1.

Herbicide resistance in weeds: Survey, characterization, and mechanisms - (Review Article)
Nandula, V.K. 2016. Herbicide resistance in weeds: Survey, characterization, and mechanisms. Indian Journal of Weed Science. 48(2):128-131.