Herbicide Trials

The Renz Lab conducts herbicide field trials with the goal of improving management outcomes in natural areas, pollinator plantings, pastures, and perennial crops. These trials study new ways of minimizing injury to desired vegetation, maximizing injury to targeted vegetation, reducing the spread of terrestrial invasive plant species, and reducing time to successful establishment of desired vegetation.

The results of these trials are published here in a trial-by-trial format. They are intended to help farmers, restoration ecologists, landowners, and researchers stay up to date on the latest and most effective herbicides for their land management goals.

ID #Crop & GoalTarget Species Common NamePrimary Control MethodReports
12-3Alfalfa Annual WeedsHerbicides (Warrant, Weathermax, Select Max, Raptor)PDF
12-4AlfalfaAnnual and Perennial WeedsHerbicides (glyphosate, Chateau, Raptor, Pursuit, Prowl, Warrant)PDF
12-5Alfalfa Annual WeedsHerbicides (Warrant, Weathermax, Select Max, Raptor)PDF
16-3AlfalfaAnnual WeedsHerbicides (Alion as compared to recommended standards)PDF
16-6AlfalfaAnnual WeedsSeeding Rates,
Herbicide (Glyphosate)
PDF
16-7AlfalfaAnnual and Perennial WeedsHerbicides (Warrant, glyphosate, Raptor, Select Max)PDF
17-12AlfalfaAnnual WeedsHerbicides (glyphosate, Warrant)PDF
18-12AlfalfaWinter Annual WeedsHerbicides (Warrant as compared to recommended standards)
PDF
19-9AlfalfaAlfalfa (medicago sativa)Plant Growth Regulator (Kudos)PDF
12-1Corn
Alfalfa
Herbicides (Apogee)PDF
16-4 Corn
Alfalfa
Annual WeedsHerbicides (Warrant, Dual Magnum, Buctril)PDF
16-5Corn
Alfalfa
Annual WeedsHerbicides (Warrant, Dual Magnum, Buctril)PDF
18-15Corn-Plant Growth Regulator (Kudos)
PDF
18-16Corn
Alfalfa
-Plant Growth Regulator (Kudos), Fungicide (Priaxor)
PDF
18-17Corn
Alfalfa
-Plant Growth Regulator (Kudos), Fungicide (Priaxor), Insecticide (Warrior II)
PDF
11-1Invasive Plant Controlbirdsfoot trefoil (Lotus corniculatus)Herbicides (AMCLO-GF-2791, Milestone, Transline)PDF
12-2Invasive Plant ControlJapanese knotweed (Fallopia japonica)Herbicides (Milestone as compared to recommended standards)PDF
12-6Invasive Plant ControlCanada thistle (Cirsium arvense)Herbicides (DPX-MAT28, Milestone)PDF
12-7Invasive Plant Controlspotted knapweed (Centaurea biebersteinii)Herbicides (Perspective, DPX-MAT28, Milestone, 2, 4-D-Dimethylamine salt)PDF
12-8Invasive Plant ControlCanada thistle (Cirsium arvense)Herbicides (Milestone, Transline, Telar, Opensight, Perspective)PDF
12-9Invasive Plant Controlsweet clover (Melilotus officinalis)Herbicides (Amclo-GF-2791, Milestone, Transline)PDF
12-10Invasive Plant Controltall fescue (Lolium arundinaceum)Herbicides (Opensight, Milestone, Powerflex)PDF
12-11Invasive Plant Controlleafy spurge (Euphorbia esula)Herbicides (Perspective, DPX-MAT28, Overdrive, Tordon)PDF
14-1Invasive Plant ControlJapanese knotweed
(Fallopia japonica)
Herbicide (Milestone)PDF
14-2Invasive Plant ControlJapanese knotweed
(Fallopia japonica)
Herbicide (Milestone)PDF
15-2Invasive Plant Controlbohemian knotweed
(Fallopia X bohemica)
Herbicide (Milestone)PDF
16-1Invasive Plant Controlhoneysuckle (Lonicera sp.)Herbicides (Method as compared to recommended standards)PDF
16-2Invasive Plant Controlwild parsnip (Pastinaca sativa)Herbicides (Method as compared to recommended standards)PDF
17-2Invasive Plant Controlautumn olive (Elaeagnus umbellata)Herbicides (Method as compared to recommended standards)PDF
17-3Invasive Plant Controlwild parsnip (Pastinaca sativa)Herbicides (Method as compared to recommended standards)PDF
17-4Invasive Plant Controlcommon tansy (Tanacetum vulgare)Herbicides (Method as compared to recommended standards)PDF
17-5Invasive Plant Controlbush honeysuckles (Lonicera sp.), buckthorn (Rhamnus sp.)Herbicides (triclopyr)
Goat Grazing
PDF
17-9Invasive Plant Controlgarden valerian (Valeriana officinalis)Herbicides (2,4-D, Clarity, Escort, Remedy, Transline, Chaparral, Milestone)
PDF
17-13Invasive Plant Controlcommon tansy (Tanacetum vulgare)Herbicides (Method as compared to recommended standards)PDF
17-14Invasive Plant Controlwild parsnip (Pastinaca sativa)Herbicides (Method as compared to recommended standards)PDF
18-1Invasive Plant ControlJapanese barberry (Berberis thunbergii)Herbicide (Maleic Hydrazide)PDF
18-2Invasive Plant Controlcrown vetch (Coronilla varia)Herbicides (Method as compared to recommended standards)PDF
18-3Invasive Plant ControlJapanese barberry (Berberis thunbergii)Herbicides (Method as compared to recommended standards)PDF
18-5Invasive Plant Controlwild parsnip (Pastinaca sativa)Herbicides (florpyrauxifen as compared to recommended standards)PDF
18-14Invasive Plant Controlphragmites (Phragmites australis) Herbicides (fluazifop-p-butyl)PDF
19-1Invasive Plant Controlgarlic mustard (Alliaria petiolata)Herbicides (Esplanade, glyphosate)PDF
19-10Invasive Plant ControlManchu tubergourd / golden creeper (Thladiantha dubia)Herbicides (glyphosate, Arsenal, Escort)PDF
19-11Invasive Plant ControlManchu tubergourd / golden creeper (Thladiantha dubia)Herbicides (glyphosate, Arsenal, Escort, Garlon 4, Method, Milestone)PDF
19-12Invasive Plant ControlReed manna grass (glyceria maxima)Herbicides (fluazifop, glyphosate)PDF
19-13Invasive Plant Controlphragmites (Phragmites australis) Herbicides (fluazifop, glyphosate)PDF
10-3Pasturen/aHerbicides (Ryzup)PDF
15-1PastureInvasive Shrubs (Multiflora Rose, Bush Honeysuckle, Prickly Ash)Herbicides (Crossbow, Pasturegard, Forefront, Remedy, Chaparral)PDF
15-3Pasturewhorled milkweed (Asclepias verticillata)Herbicides (Pasturegard HL, Weedmaster)PDF
17-6Pasturewild carrot (Daucus carota), red clover (Trifolium pratense)Herbicides (ProClova / GF-3731)PDF
17-7Pasturewild carrot (Daucus carota)Herbicides (aminopyralid, XDE-848 BE, GrazonNext HL, Chaparral)PDF
17-8Pasturewild carrot (Daucus carota)Herbicides (aminopyralid, XDE-848 BE, GrazonNext HL, Chaparral)PDF
18-4Pastureperennial weedsDry fertilizer impregnated with herbicides (aminopyalid + florpyrauxifen, GrazonNext, Chaparral)PDF
09-1Prairie/Grassland/CRPAnnual WeedsHerbicides (Journey as compared to recommended standards)PDF
10-2Prairie/Grassland/CRPAnnual and Perennial WeedsHerbicides (glyphosate, Journey, Drive, Accent)PDF
10-4Prairie/Grassland/CRPAnnual WeedsHerbicides (glyphosate, Journey, Drive, Accent)PDF
13-1Prairie/Grassland/CRPNative ForbsHerbicides (aminopyralid, clopyralid)PDF
16-8Prairie/Grassland/CRPAnnual WeedsHerbicides (Dual Magnum, Atrazine, Weedmaster)PDF
17-1Prairie/Grassland/CRPAnnual WeedsHerbicides (Esplanade, indaziflam + rimsulfuron, glyphosate, CleanTraxx, Prowl H20)
PDF
17-10Prairie/Grassland/CRPBare GroundHerbicides (glyphosate, Esplanade, indaziflam + rimsulfuron)PDF
18-9Prairie/Grassland/CRPAnnual WeedsCover Cropping, Mowing, Herbicides (Journey, Milestone, glyphosate, Esplanade, Prowl H2O)PDF
18-11Prairie/Grassland/CRPAnnual WeedsCover Cropping, Mowing, Herbicides (Journey, Milestone, glyphosate, Esplanade, Prowl H2O)PDF
19-14Prairie/Grassland/CRPTimothy (Phleum pratense)Herbicides (bicyclopyrone, Moxy 2, Starane Ultra, Huskie)PDF