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    Everglades Research and Education Center

    Everglades Research and Education Center

    Weeds of the EAA

    Welcome to the weed science website of the Everglades Research and Education Center, Institute of Food and Agricultural Sciences, at the University of Florida. The Everglades Research and Education Center is located in the city of Belle Glade within the Everglades Agricultural Area (EAA).

    The EAA is a dynamic agriculturally diverse region with major production of sugarcane, rice, commercial sod, and winter vegetables located on the southern edge of Lake Okeechobee in south Florida . Today, the EAA covers 700,000 acres dominated by organic or muck soils (Histosols).

    This website is intended to help county extension faculty, growers, consultants, agribusiness personnel, and other stakeholders with information on sustainable weed management practices in the EAA and surrounding areas of south Florida. Weed management in sugarcane and vegetables, herbicide stewardship, proper sprayer calibration, and correct weed identification are the major focus of the extension program. The research program focuses on solving current and potential weed management problems in sugarcane and vegetables. Management of potential bioenergy crop escapes in sugarcane and vegetables is also pursed by the research program.


    • Extension
      WEED - INSECT INTERACTIONS
      Extension activities center on a proactive program to deliver the latest information on weed control and related topics to county extension faculty, growers, consultants, agribusiness personnel, and other stakeholders.Modes of delivery include traditional hard-copy publications, grower meetings, field days, and web-based Electronic Data Information Source (EDIS) of the University of Florida-IFAS Extension. See our home page for the Events Calendar.

      EDIS Publications (Extension Bulletins)

      EDIS Publications (Extension Bulletins)

      Sugarcane

      Florida Crop/Pest Profile: Sugarcane

      Weed Management in Sugarcane

      Sugarcane Ripeners in Florida

      Fall Panicum: Biology and Control in Sugarcane

      Sugarcane Yellow Leaf Disease

      Napiergrass: Biology and Control in Sugarcane

      Weedy Hosts of the Diaprepes Root Weevil in Florida Sugarcane

      Managing Against the Development of Herbicide Resistant Weeds: Sugarcane

      Plantback Restrictions for Herbicides Used in South Florida Sugarcane

      Biology and Control of Coast Cockspur in Sugarcane

      Biology and Control of Goosegrass in Sugarcane

      Biology and Control of Horse Purslane and Common Purslane in Sugarcane

      Biology and Control of Sorghum-Almum in Sugarcane

      Maturity Curves and Harvest Schedule Recommendations for CP Sugarcane Varieties

      Nutrient Requirements for Sugarcane Production on Florida Muck Soils

      Sugarcane Botany: A Brief View

      Sugarcane Yellow Leaf Disease

      Rice

      Weed Management in Rice

      Biology and Control of Sedges Associated with Sugarcane and Rice in Florida

      Biology and Control of Amazon Sprangletop and Bearded Sprangletop in Florida Rice

      Weeds in Florida Sugarcane as Rice Stink Bug Hosts

      Vegetables

      Bacterial Leaf Spot of Lettuce: An Unpredictable Enemy to the Florida Lettuce Industry

      La Macha Foliar Bacteriana: Un Enemigo Impredecible para la Industria de la Lechuga de Florida

      Strategies for Improving Phosphorus Use Efficiency in Lettuce Grown on Histosols

      Nitrogen Cycling and Management for Romaine and Crisphead Lettuce Grown on Organic Soils

      Weeds and Epidemiology of Bacterial Leaf Spot of Lettuce in the Everglades Agricultural Area

      Weed Control for Winter Faba Bean Cover Crop in South Florida

      Weed Management in Leafy Greens (Lettuce, Endive, Escarole and Spinach)

      Nitrogen Cycling and Management for Romaine and Crisphead Lettuce Grown on Organic Soils

      Noncrop Areas

      Biology and Control of Common Ragweed along Ditch and Canal Banks

      Biology and Control of Ragweed Parthenium in Non-Cropland

      Bioenergy Crops

      Production of Giant Reed for Biofuel

      Giant Reed (Arundo donax): Biology, Identification, and Management

      Sprayer Calibration

      Calibration of Herbicide Applicators

      Single-nozzle Backpack or ATV Sprayer Calibration

       

       

       

       

       

      PowerPoint Presentations

      An Introduction to Herbicides

      Basic Principles of Weed Management

      Best Management Practices for Atrazine and Ametryn

      Dissipation of Soil-Applied Sugarcane Herbicides on Organic Soils

      Florida Sugarcane Production and Weed Control Strategies

      Herbicides Used in Florida Sugarcane

      Grass and Grasslike Weed Identification Key

      Identification and Management of Grass Weeds in Florida Sugarcane

      Identification of Common Broadleaf Weeds Associated with Sugarcane

      Identification of Seedlings of Grasses and Sedges associated with Sugarcane

      Meet the New Weed Scientist

      Ragweed Parthenium Control Programs in South Florida

      Sweet Corn Weed Management

      Sugarcane in the EAA

      Sugarcane Weed Control - NFREC

      Weed Control and Herbicides used in Florida Sugarcane

      Weed Management in Sugarcane

      Weed Management in Rice

      Weed Management in Snap Beans

      Weed Management in Celery

      Weed Biology and Management

      Weed Identification and Common Weeds Associated with Sugarcane

      Weeds Commonly Found in Sugarcane

      Weed Management Systems in Florida Sugarcane

      Vegetable Weed Management

      Weeds and Epidemiology of Bacterial Leaf Spot of Lettuce

      Weed Management in Landscapes

      Sprayer Calibration and Herbicide Stewardship

      Nozzle Selection for Spraying Herbicides

      Pesticide Drift Management

      Impact of Water Quality on Herbicide Efficacy

      Spray Smart Calibration Worksheets (1), (2)

      Spray Rodeo Calibration Sheet

      Weed Identification Links

      Weeds of Southern Turfgrass

      Interactive Encyclopedia of North American Weeds

      Florida Wetland Plants

      General Information

      Herbicides: How Toxic Are They?

      International Survey of Herbicide Resistant Weeds

      Herbicide Resistance Modules

      WSSA Factsheets

      WSSA Herbicide SOA Classification List

      Extension Weed Scientist Contacts

      Rainfast Time for Postemergence Herbicides Commonly Used in the Everglades Agricultural Area: Quick Reference Sheet

       

       

    • Research
       

      Research focuses on development of effective integrated weed management programs for sugarcane, rice, and commercial sod in both organic and mineral soils of southern Florida. Other crop responsibilities include weed management programs for vegetables and biofuel crops grown in the region. Specific research areas include biology of weed-crop interactions, weed ecology, soil-herbicide interactions, evaluation of herbicides, and interaction between pest management strategies.

      Research Areas

      • Weed Biology, Ecology and Management
      • Soil-Herbicide Interactions
      • Weed-Insect Interactions
      • Weed-Plant Pathogen Interactions
      • Sugarcane Ripeners
      • Bioenergy Crops

      Publications

      Google Scholar Link

      Book Chapters

      • Odero C (2018) Integrated weed management in sugarcane cultivation. Pages 421-440. In Rott P, ed. Achieving sustainable cultivation of sugarcane, Volume 2. Cambridge, UK: Burleigh Dodds Science Publishing.

      • Leon RG, Odero DC (2018). Weed management in sugarcane. Pages 455-469. In Korres NE, Burgos NR, Duke SO, eds. Weed control: sustainability, hazards and risks in cropping systems worldwide, 1st edition. CRC Press/Taylor & Francis Group.

         

      Refereed Journal Publications

      • Madala HV, Lesmes-Vesga RA, Odero CD, Sharma LK, Sandu HS (2023) Effects of planting pre-germinated buds on stand establishment in sugarcane. Agronomy 13:1001. https://doi.org/10.3390/agronomy13041001
      • Chiruvelli VSDKS, Sandhu HS, Cherry R, Odero DC (2023) Effect of depth of flooding on growth and fecundity of fall panicum (Panicum dichotomiflorum). Weed Technology https://doi.org/10.1017/wet.2023.2
      • Sandhu SS, Chiluwal A, Brym ZT, Irey M, McCray JM, Odero DC, Daroub SH, Sandhu HS (2022) Evaluating growth, biomass and cannabinoid profiles of floral hemp varieties under different planting dates in organic soils of Florida. Agronomy 12:2845; doi.org/10.3390/agronomy12112845
      • Chiruvelli VSDKS, Sandhu HS, Cherry R, Odero DC (2022) Influence of soil water content on growth and panicle production of fall panicum (Panicum dichotomiflorum). Weed Technology 36:678-684
      • Odero DC, Wright AL (2022) Preemergence and postemergence spiny amaranth (Amaranthus spinosus) and common lambsquarters (Chenopodium album) control in lettuce on organic soils. Weed Technology 36:531-536
      • Poudyal C, Costa LF, Sandhu H, Ampatzidis Y, Odero DC, Arbelo OC, Cherry RH (2022) Sugarcane yield prediction and genotype selection using unmanned aerial vehicle-based hyperspectral imaging and machine learning. Agronomy Journal 114:2320-2333
      • Hincapie M, Sood S, Mollov D, Odero DC, Grisham M, Rott P (2021) Eight species of Poaceae are hosting different genetic and pathogenic strains of Sugarcane Mosaic Virus in the Everglades Agricultural Area. Phytopathology 111:1862-1869
      • Cherry R, Odero C (2021) Weeds in Florida sugarcane as hosts for three species of rice stink bugs (Hemiptera: Pentatomidae). Journal of Entomological Science 56:101-105
      • Cherry R, Odero C (2021) Organic insecticides for control of the rice stink bug, Oebalus pugnax, (Hemiptera: Pentatomidae). Journal of Entomological Sciences 56:561-565
      • Fernandez JV, Odero DC, MacDonald GE, Ferrell JA, Sellers BA, Wilson PC (2020) Field dissipation of S-metolachlor on organic and mineral soils in south Florida. Weed Technol 34:362-370
      • Negrisoli RM, Odero DC, MacDonald GE, Sellers BA, Laughinghouse DH (2020) Fall panicum (Panicum dichotomiflorum) control and sugarcane response to topramezone applied alone or in tank-mixes with triazines herbicides. Weed Technol 34:241-249
      • Saha D, Marble SC, Pearson BJ, Pérez H, MacDonald G, Odero D (2020) Emergence of garden spurge (Euphorbia hirta) and large crabgrass (Digitaria sanguinalis) in response to different physical properties and depths of common mulch materials. Weed Technol 34:172-179
      • Cherry R, Odero C (2020) Effect of spray volume and active ingredient rates on insecticidal control of a rice stink bug (Hemiptera: Pentatomidae) complex in Florida rice. J Agric Urban Entomol 36:78-83
      • Saha D, Marble SC, Pearson BJ, Pérez HE, MacDonald GE, Odero DC (2019) Mulch type and depth, herbicide formulation, and post application irrigation volume influence on control of common landscape weed species. HortTechnology 29:65-77
      • Karounos M, Cherry R, Odero D, Sandhu H, Beuzelin J (2019) Host plant preference of Melanotus communis (Coleoptera: Elateridae) among weeds and sugarcane varieties found in Florida sugarcane fields. Fla Entomol 102:403-407
      • Fernandez JV, Odero DC, MacDonald GE, Ferrell JA, Sellers BA, Wilson PC (2018) Differential response of fall panicum (Panicum dichotomiflorum) populations in Florida sugarcane to asulam. Weed Technol 32:762-767
      • Odero DC, Wright AL (2018) Critical period of weed control in snap bean on organic soils in South Florida. HortScience 53:1129-1132
      • Pearsaul DG, Leon RG, Sellers BA, Silveira ML, Odero DC (2018) Evaluation of verticutting and herbicides for tropical signalgrass (Urochloa subquadripara) control in turf. Weed Technol 32:392-397
      • Cherry R, Odero C, Karounos M, Fernandez J (2018) Insecticidal control for the rice stink bug (Hemiptera: Pentatomidae) complex found in Florida rice. J Entomol Sci 53:372-378 
      • Karounos M, Cherry R, Sandhu H, Odero C (2018) Feeding behavior of Melanotus communis (Coleoptera: Elateridae) in Florida sugarcane. J Entomol Sci 53:242-250
      • ElSayed A, Rafudeen M, El-hamahmy M, Odero DC, Sazzad Hossain M (2018) Enhancing antioxidant systems by exogenous spermine and spermidine in wheat (Triticum aestivum L.) seedlings exposed to salt stress. Funct Plant Biol 45:745-759
      • ElSayed AI, Boulila M, Odero DC, Komor E (2018) Phylogenetic and recombination analysis of sorghum isolates of Sugarcane yellow leaf virus. Plant Pathol 67:221-232
      • ElSayed AI, Boulila M, Odero DC, Omar AA, Gomaa AM, Viswanathan R (2017) Characterization of ORF0 and ORF1 and their roles in recombination and replication of Sugarcane yellow leaf virus. Am J Biochem Mol Biol 7:41-52
      • El-hamahmy MAM, ElSayed AI, Odero DC (2017) Physiological effects of hot water dipping, chitosan coating and gibberellic acid on shelf-life and quality assurance of sugar snap peas (Pisum sativum L. var. macrocarpon). Food Pack Shelf Life 11:58-66
      • Abe DO, Sellers BA, Ferrell JA, Ramon RG, Odero DC (2016) Bahiagrass tolerance to aminocyclopyrachlor in Florida. Weed Technol 30:943-948
      • Abe DO, Sellers BA, Ferrell JA, Ramon RG, Odero DC (2016) Tolerance of bermudagrass and stargrass to aminocyclopyrachlor. Weed Technol 30:499-505
      • Abe DO, Sellers BA, Ferrell JA, Ramon RG, Odero DC (2016) Weed control in Florida pastures using aminocyclopyrachlor. Weed Technology 30:271-278
      • Odero DC, Fernandez J, Havranek N (2016) Weed control and radish (Raphanus sativus) response to S-metolachlor in organic soils. HortScience 51:79-83
      • Odero DC, Duchrow M, Havranek N (2016) Critical timing of fall panicum removal in sugarcane. Weed Technol 30:13-20
      • Odero DC, Fernandez JV, Sandhu HS, Singh MP (2015) Response of energycane to preemergence and postemergence herbicides. Weed Technol 29:810-820
      • ElSayed AI, Komor E, Boulila M, Viswanathan R, Odero DC (2015) Biology and management of sugarcane yellow leaf virus: An historical overview. Arch Virol 160:2921-2934
      • Fernandez JV, Odero DC, MacDonald GE, Ferrell J, Gettys LA (2015) Confirmation, characterization and management of glyphosate-resistant ragweed parthenium (Parthenium hysterophorus L.) in the Everglades Agricultural Area of south Florida. Weed Technol 29:233-242
      • Fernandez JV, Odero DC, Wright AL (2015) Effects of Parthenium hysterophorus L. residue on early sugarcane growth in organic and mineral soils. Crop Prot 72:31-35
      • Odero DC, Cherry RH, Wright AL, Sandhu HS, Luo Y (2015) Woody host plants of the sugarcane root weevil (Coleoptera: Curculionidae) in Florida sugarcane. J Entomol Sci 50:3-13
      • Fernandez JV, Odero DC, MacDonald GE, Ferrell J (2014) Parthenium hysterophorus L. control in response to pyraflufen-ethyl application. Crop Prot 57:35-37
      • Odero DC, Shaner DL (2014) Field dissipation of atrazine and metribuzin in organic soils in Florida. Weed Technol 28:578-586
      • Odero DC, Shaner DL (2014) Dissipation of pendimethalin in organic soils in Florida. Weed Technol 28:82-88
      • Odero DC, Wright AL, Fernandez JV (2014) Sweet corn response and weed control to saflufenacil plus dimethenamid-P in organic soils. Weed Technol 28:281-285
      • Bhadha JH, Lang TA, Alvarez OM, Giurcanu MC, Johnson JV, Odero DC, Daroub SH (2014) Allelopathic effects of Pistia stratiotes (Araceae) and Lyngbya wollei Farlow ex Gomont (Oscillariaceae) on seed germination and root growth. Sustain Ag Res 3:121-130
      • Odero DC, Wright AL (2013) Response of sweet corn to pyroxasulfone in high organic soils. Weed Technol 27:341-346
      • Odero DC, Wright AL (2013) Phosphorus application influences the critical period of weed control in lettuce. Weed Sci 61:410-414
      • Odero DC, Cherry RH, Hall DG (2013) Weedy host plants of the sugarcane root weevil (Coleoptera: Curculionidae) in Florida sugarcane. J Entomol Sci 48:81-89
      • Odero DC, Wright AL (2013) Comparison of pyroxasulfone, S-metolachlor, and mesotrione for weed control in sweet corn on organic soils. Online. Crop Manag doi:10.1094/CM-2013-0227-01-RS
      • Kniss AR, Odero DC (2013) Interaction between preemergence ethofumesate and postemergence glyphosate spray retention on common lambsquarters. Weed Technol 27:47-53
      • Odero DC, Gilbert RA (2012) Dose-response of newly-established elephantgrass (Pennisetum purpureum) to postemergence herbicides. Weed Technol 26:691-698
      • Odero DC (2012) Response of ragweed parthenium (Parthenium hysterophorus) to saflufenacil and glyphosate. Weed Technol 26:443-448 
      • Odero DC, Gilbert RA (2012) Response of giant reed (Arundo donax) to asulam and trifloxysulfuron. Weed Technol 26:71-76
      • Odero DC, Mesbah AO, Miller SD, Kniss AR (2011) Interference of redstem filaree (Erodium cicutarium) in sugarbeet. Weed Sci 59:310-313
      • Odero DC, Mesbah AO, Miller SD, Kniss AR (2010) Lanceleaf sage (Salvia reflexa) interference in sugarbeet. Weed Technol 24:557-561
      • Odero DC, Mesbah AO, Miller SD, Kniss AR (2010) Wild buckwheat (Polygonum convolvulus) interference in sugarbeet. Weed Technol 24:59-63
      • Odero DC, Mesbah AO, Miller SD, Kniss AR (2009) Venice mallow (Hibiscus trionum) interference in sugarbeet. Weed Technol 23:581-585
      • Odero DC, Mesbah AO, Miller SD (2008) Economics of weed management systems in sugarbeet. J Sugar Beet Res 45:49-63

      Refereed Proceedings

      • Madala HV, Sandhu HS, Odero C, Sharma L, Laborde C, Baucum L (2023) Effects of planting method and fungicide seed-application on sugarcane growth and yield. Proceedings of International Society of Sugar Cane Technologists 31:298-304
      • Odero DC, Negrisoli RM (2023) Effect of asulam and trifloxysulfuron on seed production of fall panicum (Panicum dichotomiflorum). Proceedings of the International Society of Sugar Cane Technologists 31:428-435
      • Rodriguez AG, Odero DC, Negrisoli RM (2023) Effect of dew and spray volume on the efficacy of control of asulam on fall panicum (Panicum dichotomiflorum). Proceedings of the International Society of Sugar Cane Technologists 31:436-442

      Manuscripts Under Review

      • Rodriguez AG, Sandhu HS, Wright AL, Odero DC (2023) Preemergence and postemergence weed control in sweet corn on organic soils. Weed Technology
    • About Us

      Lab PI: Calvin Odero
      Extension Weed Specialist, Associate Professor and Associate Center Director

      Phone: 561-993-1509

      Email: dcodero@ufl.edu

      Education:

      2008 Ph.D. Agronomy - University of Wyoming

      2005 M.S. Agronomy - University of Wyoming

      1997 B.S. Horticulture - Jomo Kenyatta     University of Agriculture and Technology

      Memberships:

      Weed Science Society of America

      Southern Weed Science Society

      Florida Weed Science Society

      Agronomy Society of America

      American Society of Sugar Cane Technologists

      International Society of Sugar Cane Technologists

       

     

    Weed ID 

    Alligator Weed 

    (Alternanthera Philoxeroides) 

    Livid Amaranth 

    (Amaranthus Blitum)

    Spiny Amaranth

    (Amaranthus Spinosus)

     

     

     

     

     Common Ragweed

    (Ambrosia Artemisifolia)

     

    Redstem

    (Ammania Latifolia)

     

    Mexican Prickle Poppy

    (Argemone Mexicana)

     

    Bidens Alba

    (Common Beggarticks)

     

     

    Texasweed

    (Caperonia Palustris)

    Southern Sandbur

    (Cenchus Echinaturs)

    Asthma Plant

    (Chamaesyce Hirta)

    Common Lambsquarters

    (Chenopodium Album)

    Rice Flatsedge

    (Cyperus Iria)

    Crowfoot Grass

    (Dactyloctenium Aegyptium)

    Goosegrass

    (Eleusine Indica)

    Hyssop Spurge

    (Chamaesyce Hyssopifolia)

    Possom Grape (or Season Vine)

    (Cissus Verticillata)

    Speading Dayflower

    (Commelina Diffusa)

    Marsh Parsley

    (Cyclospermum Leptophylum)

    Bermudagrass

    (Cynodon Dactylon)

    Flatsedge

    (Cyperus Oderatus)

    Yellow Nutsedge

    (Cyperus Esculentus)

    Purple Nutsedge

    (Cyperus Rotundas)

    Texas Sedge

    (Cyperus Polystachyos)

    Annual Sedge

    (Cyperus Compressus)

    Southern Crabgrass

    (Digitaria Cilaris)

    Coast Cockspur

    (Echinochloa Walteri)

    False Daisy

    (Eclipta Prostrata)

    Dogfennel

    (Eupatorium Capillifolium)

     

    Toothed Spurge

    (Europhobia Dentata)

    Carolina Geranium

    (Geranium Carolinianum)

    Wandering Cudweed

    (Gnaphalium Pensylvanicum)

    Sweet Potato

    (Ipomea Batatas)

    Green Kyllinga

    (Kyllinga Brevifolia)

    Lantana

    (Lantana Camara)

    Virginia Pepperweed

    (Lepidium Virginicum)

    Bearded Sprangletop

    (Leptochloa Fusca)

    Mexican Primrose Willow

    (Ludwigia Octovalvis)

    Balsam Apple

    (Momordica Charantia)

    Amazon Sprangletop

    (Leptochloa Panicoides)

    Creeping Cucumber

    (Melothria Pendula)

    Climbing Hempweed

    (Mikania Scandens)

    Carpetweed

    (Mollugo Verticillata)

    Yellow Woodsorrel

    (Oxalis Stricta)

    Butterweed

    (Packera Glabella)

    Fall Panicum

    (Panicum Dichotomiflorum)

    Guineagrass

    (Panicum Maximum)

    Torpedograss

    (Panicum Repens)

    Florida Pellitory

    (Parietaria Floridana)

    Ragweed Parthenium

    (Parthenium Hysterophorus)

    Elephantgrass

    (Pennisetum Purpureum)

    Match-head

    (Phyla Nodiflora)

    Saltmarsh Fleabane

    (Pluchea Odorata)

    Pennsylvania Smartweed

    (Polygonum Pennsylvanicum)

    Common Purslane 

    (Portulaca Oleracea)

    Mock Bishop's Weed

    (Ptilimnium Capillaceum)

     

    Brazil Pusley

    (Richardia Brasiliensis)

    Curley Dock

    (Rumex Crispus)

    Elderberry

    (Sambucus Canadensis)

    Coffee Senna

    (Senna Occidentalis)

    Giant Bristlegrass

    (Setaria Magna)

    Southern Sida

    (Senna Obtusifolia)

    Sicklepod

    (Senna Obtusifolia)

    Spiny Sowthistle

    (Sonchus Asper)

    American Black Nightshade

    (Solanum Americanum)

    Columbus Grass

    (Sorghum Almum)

    Horse Purslane

    (Trianthema Portulacastrum)

    Southern Cattail

    (Typha Domingensis)

     

    Broadleaf Panicum

    (Urochloa Adspersa)

    Paragrass

    (Urochloa Adspersa)

    Alexander Grass

    (Urochloa Plantaginea)

    Cowpea 

    (Vigna unguiculata)

     


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    Everglades Research and Education Center
    3200 East Canal St South, Belle Glade, FL 33430-4702
    (561) 993-1500

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