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Labels. triclopyr herbicide remedy ultra garlon killer brush generic gallon label frequently bought together 75DF. Balance Flexx and Corvus Balance Flexx and Corvus contain the herbicide isoxaflutole. An "active ingredient" for a pesticide is one that prevents, destroys or hinders a targeted pest. The first two columns are products that contain a single active ingredient. domyown Active Ingredient: 42.6 - Atrazine Find Similar Products. Alite 27 probably has a broader spectrum that any other single active ingredient product. herbicide Corvus herbicide is a premium in-can mixture for full spectrum weed control that is recommended to use with atrazine for long season residual control. for barley, sorghum, oats and alfalfa. Corvus is an excellent tool to control more than 50 grass and broadleaf weeds. Powered by mesotrione and an HPPD site of action, Callisto controls annual broadleaf weeds in field corn, seed corn, yellow popcorn, sweet corn and other labeled crops. Systemic, absorbed by roots and leaves, contact and residual action. Cobra controls over 54 problem weeds faster than other herbicides, with no (active ingredient in Corvus herbicide and Balance Flexx herbicide) restrictions. Now that weed resistance is becoming a greater issue in corn and soybeans, turn to the one-two punch of a Cadet Herbicide / glyphosate tank mix. Product Active Ingredient Company EPA Number Private Commercial AATREX 4L HERBICIDE Atrazine SYNGENTA CROP PROTECTION LLC 100-497 1, 3, 4, 7 2C, 4A, 6A CORVUS Corvus offers growers three levels of control to fight weeds: burndown, residual and reactivation of control with rain. For selective control of broadleaf weeds in wheat and barley not underseeded with a legume, fallow cropland, grasses grown for seed, rangeland and permanent grass pastures, Conservation Reserve Program (CRP) acres and noncropland. Active Ingredient(s) Duration Species Value Units Sulfentrazone 72 h EC50 Algae 32.8 mg/L 48 h EC50 Crustacea 60.4 mg/L 96 h LC50 Fish 94 mg/L Usage Rate Recommendations : 1.5-5.6 Fl. CORVUS Herbicide is formulated as a suspension concentrate containing 2.63 pounds of active ingredients per gallon [0.75 lbs Thiencarbazone-methyl a.i., 1.88 lbs isoxaflutole a.i. x (0.25) = 75 gal. Corvus and Acuron herbicides and atrazine are Restricted Use Pesticides. 2) how sensitive the weed specie is to the specific active ingredient, 3) what stage the weed seedling is when exposed to the herbicide, 4) did the weed seedling receive a high enough dose to overcome any natural herbicide tolerance or metabolism mechanisms, 5) how moist was the soil when the herbicide was applied. Two products containing the active ingredient isoxaflutole are currently pending renewal from the Environmental Protection Agency (EPA) for use in Wisconsin and are not permitted in Wisconsin. A row of soybean sprayed with an overlap rate (twice the labelled rate) of Flexstar GT. Thiencarbazone-methyl is a new ALS inhibitor, while tembotrione is an HPPD inhibitor. The generic product name may vary. In other words, it is the chemical that takes "action" to control the pest. Corvus contains two active ingredients and two modes of action, with one mode of action that has shown to be ineffective against ALS-resistant weeds. CORVUS HERBICIDE 2/11 Version 1.0 / USA Revision Date: 06/16/2017 102000031432 Print Date: 06/16/2017 IF exposed or concerned: Get medical advice/ attention. The chemical list below contains some of the most commonly used active ingredients for conventional corn. Corn. herbicide corteva selective Acetochlor (Harness/Degree) 0.25 to 0.75 inches within 7 days after application. What growers will really find exciting about Corvus is that it provides three levels of defense Product Overview. Strike weeds dead with the powerful control of Cobra. The included product (s) contains the active ingredient listed, and are labeled for use on conventional corn. opensight corteva herbicide specialty Built-in burndown control of weeds like dandelion, foxtail, marestail and ragweed. With almost 10 years of proven Label Version: 042513 V1D 11P16. Injury: Lower leaves go from chlorotic to necrotic, fall off of stem, and in severe cases, complete death of plant. On February 15, 2020, the following registrations expired for these isoxaflutole products produced by Bayer CropScience: Corvus (EPA Reg No. Long-lasting residual control is also determined by a herbicides active ingredients. WSSA mode of action 27 Bleaching: Inhibition of 4-hydroxyphenyl-pyruvate-dioxygenase (4-HPPD) Registration EPA: HERBICIDE. Longer residual control Rimsulfuron; thifensulfuron-methyl. Editors Note: Many of you are already aware of the projected scarcity of two major herbicide active ingredients glyphosate (RoundUp, Makaze, OLF) and glufosinate (Liberty) in 2022. Herbicides, Formulations, Manufacturers, and Crops Trade Name* MOA Group Active Ingredient Manufacturer Crops AAtrex 4WDL 90 WDG Group 5 atrazine Syngenta corn (field, popcorn), grain sorghum Corvus 2.63L Group 2 Group 27(28) thiencarbozone (0.75 lb) + isoxaflutole (1.88 lb) + Active ingredients Thiencarbazone-methyl Tembotrione. HerbicideSites(ofAction (!!!!!Herbicides!kill!plants!by!binding!to!a!specific!protein!and!inhibiting!that!proteins!function.! concentrate weed qt pulverize killer grass pricing availability log Looking for similar or complementary products? Formulation Type: Water-Soluble Liquid. CORVUS GROUP . A liquid premix of sulfentrazone and pyroxasulfone, two highly effective active ingredients. Lambsquarters, morningglory, 1 2 15 44 North Dakota Herbicide Chart Repeated use of herbicides with the same site of action alone can result in the development of herbicide-resistant weed populations. These new herbicides do not have an active ingredient with a new mode of action, but they are tank mixtures of existing herbicides. And the last two columns contain at least one Group 2 herbicide plus another herbicide chemistry. Published: December 15, 2008 I. Download scientific diagram | Average glyphosate use (kg/base ha active ingredient) by crop. The middle column is a list of premixes that contain multiple Group 2 herbicides. herbicide container herbicide for wheat, 10 mo. Iowa State University. In fields where corn was the previous crop, triazine herbicides are of the greatest concern in terms of herbicide carryover injury to wheat. It's also shown to suppress white mold. Thus, you will need to add 75 gallons of water and 15 Nothing delivers postemergence control over a broad spectrum of weeds better than Cobra Herbicide. oz. INSECTICIDE. "With a new active ingredient and two modes of action, Corvus will be dynamite against the toughest glyphosate- and triazine-resistant weeds," Springsteen says. Although it inhibits the same enzyme as sulfonylurea and imidazolinone herbicides, it is from a distinct chemical family. Example Product. By Mode of Action Repeated use of herbicides Pendimethalin is classified as a root inhibitor herbicide. to Gramoxone to increase burndown activity. This is expected to provide the growers new options of controlling weeds in Minnesota corn fields. These include atrazine or any of the many prepackaged herbicide mixtures that contain atrazine as one of the active ingredients (Bicep II Magnum, Degree Xtra, Guardsman Max, Harness Extra, Lumax, Lexar, etc. Active ingredient: tembotrione + thiencarbazone. a rs l s e s 4 2,4-D ester 4L 2,4-D NCS 7 9 7 - 9 1 14 Aim carfentrazone-ethyl AT 6 9 - 7-8 6 1 Contains four active ingredients and three effective modes of action (Group 15, 27 and 5) for multi-targeted control of the most difficult weeds in corn. Verdict herbicide, powered by Kixor herbicide technology, provides corn growers with exceptional broadleaf control and a strong foundation for clean fields. methyl halosulfuron (active.ingredient) Basis. Clopyralid. Example: The amounts of water and herbicide needed to band spray the 15-acre field are: Amount of water needed = (300 gal.) turflon ester herbicide corteva dow Replanting corn may be the best option for some fields. Corvus also includes an ALS-herbicide called thiencarbazone. active ingredient loading. Corvus herbicide is a premium in-can mixture for full spectrum weed control that is recommended to use with atrazine for long season residual control. CORVUS Herbicide is formulated as a suspension concentrate containing 2.63 pounds of active ingredients per gallon [0.75 lbs Thiencarbazone-methyl a.i., 1.88 lbs isoxaflutole a.i. Both products Normal Rate/acre Half life (days) Cash crop restrictions OK (Fall Cover Crops) Corvus 2.63SC. Product Name: CORVUS HERBICIDE EPA Registration No. More than 800 trials show Other. Corvus (Balance + Thiencarbazone) Rate: 5.6 ounces per acre Positives Balance will provide residual control of Palmer amaranth and horseweed. S-metolachlor in Acuron provides better, long-lasting and more consistent grass control compared to the grass components in Corvus and Verdict herbicides.. Oz per acre : BAYER CROPSCIENCE LP Click here to show Active Ingredients in this Product. Product Types: Herbicide. HERBICIDE CLASSIFICATION byACTION MODE OF CORVUS thiencarbazone Varro isoxaflutole Balance Flexx CURTAIL clopyralid Stinger 2,4-D 2,4-D active ingredients. glyphosate pro roundup ingredient active gal herbicide same razor Use these herbicides as setup programs (1/2 - 2/3X) prior to post herbicides. This Herbicide Classification Guide is an important step in the program. identify the premix's component herbicides and their respective site of action groups. Corvus, Status). interaction with certain herbicides and does have labeled herbicide use restrictions in corn. Label SDS SDS. herbicide corn cropwatch herbicides weeds unl efficacy control scrutiny mounts resistant spread trial tweet email edu x (0.25) = 15 lbs. Repeated use of herbicides with the same site of action can result in the development of herbicide-resistant weed populations. Corvus has a narrow application window up to V2 corn, while Verdict has HERBICIDE. Label/SDS. Spring wheat, durum, winter wheat and barley producers get a new postemergence herbicide in Wolverine. Pre-Emergence Herbicide Options Acuron Defeats tough weeds current products are missing Full rate: 2.5-3.0 qt/A Active ingredients: Bicyclopyrone, Mesotrione, S-metolachlor, Atrazine + safener Application timing: 28 days pre-plant up to 12-inch corn Purpose: Delivers a step change in control of tough broadleaf weeds and grasses. Herbicides, Formulations, Manufacturers, and Crops Trade Name* MOA Group Active Ingredient Manufacturer Crops AAtrex 4WDL 90 WDG Group 5 atrazine Syngenta corn (field, popcorn), grain sorghum Abundit Extra [3 lb ae/gal] Corvus 2.63L Group 2 Group 27(28) thiencarbozone (0.75 lb) + Atrazine is a common component of many pre-plant and pre-emergence herbicide premixes for corn. Take Action Before It Costs You Herbicide resistance costs U.S. farmers an estimated $2 billion a year mancozeb fungicide concentrate 15 inches of cumulative precipitation required from application to Company officials say Corvus combines two active ingredients to control 50+ broadleaf weeds and grasses from burndown through early postemergence. Pendimethalin is classified as a root inhibitor herbicide. Refer to the Site-of-Action chart on the left for more information. Corn growers now have access to a new one-pass, full-season weed control tool, as the U.S. Environmental Protection Agency recently approved Corvus herbicide from Bayer It is the ingredient in a Cadet herbicide fights tough, resistant weeds with superior knockdown chemistry, offering growers exceptional application flexibility in both corn and soybeans plus excellent burndown activity to enhance preplant tank-mix programs. Active Ingredient(s) Duration Species Value Units Sulfentrazone 72 h EC50 Algae 32.8 mg/L 48 h EC50 Crustacea 60.4 mg/L 96 h LC50 Fish 94 mg/L With its rapid burndown of weeds, the one-pass herbicide is perfect for any tillage program, including no-till and minimum-till. Both rates of Corvus and Hornet, and the 2x rate of Balance Flexx, significantly injured hairy vetch, lentil, and tillage radish compared to these cover crops controls. CORVUS Herbicide is a selective herbicide for the control of important broadleaf and grass weeds in field corn, seed corn, corn grown for silage. TMOther formulations powered by Rinskor active containing additional Dow AgroSciences herbicides, such as penoxsulam and cyhalofop, will be available to offer tools to support broader spectrum weed control and Balance Flexx is a new herbicide from Bayer CropSciences that contains the same active ingredient as Balance Pro (isoxaflutole) but this CORVUS Herbicide is formulated as a suspension concentrate containing 2.63 pounds of active ingredients per gallon [0.75 lbs Thiencarbazone-methyl a.i., 1.88 lbs isoxaflutole a.i.]. CORVUS Herbicide also contains 1.25 pounds per gallon of the new corn safener Cyprosulfamide. Thiencarbazone will provide good residual control of many weeds, particularly morninglory species. 3 fl. The product combines tembotrione (the active ingredient in Laudis) and thiencarbazone-methyl (an active ingredient in Corvus). After searching, click on the chemical ingredients tab or the link for the most recent label to find Active Ingredients. 3/27/2009. Some products may not be registered Group 4. Chart data adopted from Weed Science Society of America Herbicide Site of Action (WSSA) classification list and current product labels. Refer to the Mode of Action chart on the left for more information. Active ingredient: tembotrione + thiencarbazone. Approved Use. Herbicides in the Injury unlikely category can be used at normal (1X) rates and should allow Corvus is a pre-emergence corn herbicide. Corvus and Balance Corvus Herbicide should be tank mixed with additional herbicides labeled for use in fallow or eco-fallow Herbicide used at 2.25 fl. A second mode of action aids in resistance management. pro glyphosate gal herbicide roundup 2x2 razor active ingredient same navius weatherpro herbicide so you can identify the premixs component herbicides and their respective site-of-action groups. Active ingredient: nicosulfuron / nicosulfuron + rimsulfuron. herbicide landscaping Amount of herbicide needed = (60 lbs.) : 264-1066 Expiration Date: 12/31/2023 Registration Status Date: 12/6/2021 Registration Status: Approved Company Name and Reg. intervals. This multiple group resistance can make developing an effective herbicide program for corn more difficult. Common corn and soybean herbicides, estimated half-lives, cash crop restrictions and their potential to injure fall cover crops. Where weed pressure is light, a March application of atrazine with insect control conserve organic spinosad insecticide insecticides ingredient active pint Hazards Not Otherwise Classified (HNOC) No physical hazards not otherwise classified. Cobra controls over 54 problem weeds faster than other herbicides, with no concerns to rotated crops. oz. The product carries 19% isoxaflutole and 7.6% thiencarbazone- Incident report number (20165127): a lady has chicken coop near to a field, where a pesticide called (Bayer Corvus Herbicide) was applied in the field. A close up of Flexstar injury. quik percentage full-season weed control tool, as the U.S. Environmental Protection Agency (EPA) recently approved Corvus herbicide from Bayer CropScience, according to a company report. Length of residual control . Find the products you use on the chart, then write down Photo: Penn State Weed Science. Active Ingredient(s) SOA group(s) Water for Activation. Nothing delivers postemergence control over a broad spectrum of weeds better than Cobra Herbicide. The broadest-spectrum weed and brush herbicide Stays on the job several weeks after application Broadleaf general weed control 1.5 to 2.5 ounces per acre; The cost of Refer to the Site-of-Action chart on the left for more information. This pesticide contains active ingredients with 19% concentration of ISOXAFLUTOLE and THIENCARABAZONE-METHYL. Capture LFR insecticide is a next-generation, liquid, in-furrow insecticide that offers proven performance against costly yield-robbing pests from day one. AUTHORITY 480 HERBICIDE SDS # : 1466-8-A Revision date: 2019-01-25 Format: NA Version 2.02 1. Branched chain amino acid synthesis inhibitor. AUTHORITY SUPREME Herbicide is a suspension concentrate containing 4.16 lb active ingredient per gallon (containing 2.08 lb ai of pyroxasulfone and 2.08 lb ai of *(CAS Number 317815-83-1) Protected by U.S. Patent No 6,486,096 The injury potential can also increase depending on tank-mix partner with herbicides, such as 2,4-D, dicamba and pendimethalin (Prowl), sometimes increasing the severity of injury. The included product (s) contains the active ingredient listed, and are labeled for use on conventional corn. It's also shown to suppress white mold. Application flexibility. The chemical list below contains some of the most commonly used active ingredients for conventional corn. It delivers the first line of defense against soil pests in corn, soybeans and certain vegetables, controlling insects before they get a chance to feed on seeds and roots. Herbicides used, active ingredients, application time and product use rate in two experiments, C -2007 Herbicide CORVUS Isoxaflutole + Thiencarbazone PRE 0.41, 0.82 VERDICT Dimethenamid + Saflufenacil PRE 1.1, 2.2 LAUDIS Tembotrione In fields where corn was the previous crop, triazine herbicides are of the greatest concern in terms of herbicide carryover injury to wheat. Transport Information: 2.5 GA Package (s) (2 / Case), Bulk CARGOTK, 55 GA Package (s), 265 GA Package (s) Compounds, tree or weed killing, NOI, other than poison; having a density of 20 Read more about. Acuron offers built-in corn weed resistance management. Half life (days) Cash crop restrictions. herbicide nufarm reinders label glyphosate favorites list roundup quickpro herbicide jug quikpro dallisgrass 8lb glyphosate monsanto diquat quik percentage jugs 8lbs concentrate 1126 highlight 3 fl. Dicamba is the active ingredient in Clarity, Engenia, Xtendimax and a component of Status and Yukon, as well as many generic products. Note the leaf distortion and leaf tissue necrosis (browning) Normal Rate/acre. for wheat, 10 mo. Balance Contains 1,2 benzisothiazolin- 3-one at 0.034% and 5 -chloro-2-methyl-4-isothiazolin-3-oneat 0.0009% Nothing delivers postemergence control over a broad spectrum of weeds better than Cobra Herbicide. from publication: Glyphosate use in Asia and implications of possible restrictions on its use | F2. Corvus has performed well in University trials across the North Central region, and it appears expectations Hansjoerg Kraehmer, Bayer's head of herbicide profiling and support in Frankfurt, says bringing a new active ingredient to market is no small task. Corvus Herbicide; Corvus Herbicide (DE) Corvus Herbicide (MI) Corvus Herbicide (NJ) Corvus Herbicide (WV) herbicide confront gallon triclopyr herbicides emergent ingredient active agroscience dow Dimethenamid-P (Outlook) Nothing about precipitation amounts mentioned. per acre or less and the total of Thiencarbazone-methyl from all sources is 0.014 pounds active ingredient per acre or less, sorghum can be planted at the 9 month or longer interval. !This!protein!is!referred!to!as! Step B: Reduce both the amount of water and the amount of herbicide to the proportion calculated in Step A above. ). Herbicide. Isoxaflutole has been used as a residual herbicide in corn for quite a while, but mostly in Corvus now, where its combined with thiencarbazone and cyprosulfamide. While it is important to manage your herbicide program carefully when using COUNTER, many corn herbicides may be applied prior to or following COUNTER at-planting with crop safety. Growth Stage. Pests Plus Status Herbicide tank mixture for improved control of broadleaf weeds in seed corn (various states) To Allow Aerial Application in Field and Silage Corn, Seed Corn, and White Corn (KS) Other products. ACTIVE INGREDIENT: thiencarbazone-methyl .. 90 g/L . Corvus combines the power of two active ingredients (isoxaflutole + thiencarbazone + safener) to provide excellent control over more than 50 broadleaf weeds and grasses from burndown through early postemergence. Where weed pressure is light, a March application of atrazine with CORVUS Herbicide also contains 1.25 pounds per gallon of the new corn safener Cyprosulfamide. CORVUS Herbicide is a selective herbicide for control of important broadleaf and grass weeds infesting field corn and corn grown for silage. GrazonNext HL Herbicide is applied at 19-34 fl oz per acre (43,560 sq ft). Many active ingredients with rotational restrictions are also in pre-packed herbicide mixes with various trade names (Table 1). ]. Only corn herbicide in its class labeled for weeds over 6 inches for a wider application window Because of the synergistic active ingredient in Status herbicide it is more effective than other Corvus controls tough weeds and grasses, such as Palmer amaranth, waterhemp, woolly cupgrass and yellow foxtail, which are increasingly found to show resistance to glyphosate and triazine-based products. oz. Product Name: CORVUS HERBICIDE EPA Registration No. corn herbicide injury dicamba soybeans weeds mode application purdue symptoms buggy regulator growth btny extension edu Minnesota has restrictions for using certain weed control products containing the active ingredient isoxaflutole in corn. Corn growers now have access to a new one-pass, full-season weed control tool, as the U.S. Environmental Protection Agency recently approved Corvus herbicide from Bayer CropScience. Corvus contains a new active ingredient, thiencarbazone-methyl, which is an ALS-inhibitor that controls grass weeds. Atrazine (5) is a common component of many pre-plant and pre-emergence herbicide premixes for corn. oz Key information for selected herbicides that can be applied postemergence to corn. Both the NeoEC and SC formulations have been developed for primary use in post-emergence applications. Registration EPA: 264-1063. Applied as an early-season preplant application to corn, cotton or soybeans, LeadOff herbicide helps maintain a clean seedbed, allowing the soil to warm up faster and enabling improved stand establishment. glyphosate, Ignite) or the herbicide contains a safener (e.g. Half life (days) Cash crop restrictions. corvus bayer herbicides herbicide cropscience weed control Corvus Herbicide is a selective herbicide for the control of important broadleaf and grass weeds in field corn, seed corn, corn grown for silage. It is designed to be the most effective New Active Ingredient Review May 2015 PESTICIDE TYPE Herbicide CHEMICAL CLASS Isoxazole COMMON TRADE NAMES Balance Flexx, Corvus MAJOR DEGRADATE RPA 202248 (DKN), RPA 203328 CorvusTM (EPA Reg. Low use rate Authority Supreme herbicide combines a leading Group 14 PPO herbicide with the MOA. No.264-1066) a SC formulation registered for weed control in field corn. Preplant/Burndown Herbicides for Weed Management in Field Corn Herbicide Rate/Acre Broadcast Mode of Action Preharvest , do not use CORVUS on soils where the subsoil is loamy sand or sand (i.e., no clay subsoil). Corvus contains two active ingredients to control grass and broadleaf weeds. The U.S. Environmental Protection Agency (EPA) announced the registration of the use of isoxaflutole on genetically engineered soybeans that tolerate the herbicide. Bayer CropScience plans to introduce early next decade a new postemergence corn herbicide called Capreno. Enhanced control of 70+ grass and broadleaf weeds, including cocklebur, common ragweed, giant ragweed, kochia, marestail, morningglory, Palmer amaranth, waterhemp and Russian thistle. From 1992 to 2002, US application of atrazine increased 6 % nationwide to nearly 35 million kg (Gianessi and Reigner 2006a). Always read and follow all label directions, precautions and restrictions for use. PREMIX ACTIVE INGREDIENT TRADE NAME PREMIX ACTIVE INGREDIENT CORVUS thiencarbazone Varro 2 isoxaflutole Balance Flexx 27 COYOTE s-metolachlor Dual II Magnum 15 mesotrione Callisto 27 CRUSHER rimsulfuron Resolve 2 HERBICIDE CLASSIFICATION by MODE OF ACTION (MOA) (effect on plant growth) Axiom 68DF Herbicide 10 oz Balance Flexx Herbicide 4 fl oz Capreno Herbicide 3 fl oz Corvus Herbicide 4 fl oz DiFlexx Herbicide 8 fl oz DiFlexx DUO Herbicide 24 fl oz Huskie Isoxaflutole By better knowing herbicides by their sites of action groups, you can diversify your herbicide programs to reduce your risk for herbicide resistance. 15. SUSPENSION HERBICID E FOR WEED CONTROL IN FIELD AND SEEDCORN FOR USEIN EASTERN CANADA ONLY AGRICULTURAL . Active ingredient indicates the amount of non-acid herbicide in a formulation. The formulation of the pesticide may break down and a precipitate of flakes, crystals or sludges may form, making it impossible to mix or use in sprayers. sistently ranks as one of the most commonly used herbicides in the US. Acuron yield advantage Do not apply more Formulation Active Ingredient Entry Interval Sharpen 2.85SC (saflufenacil) 2.03.0 fl oz 0.0450.067 lb 14 Check labels and consult locally with experts for a local tailored solution. Balance Flexx controls more than 50 grass and broadleaf weeds in corn from burndown through early postemergence. Active Ingredient. Preplant/Burndown Herbicides for Weed Management in Field Corn Herbicide Rate/Acre Broadcast Mode of Action Preharvest , do not use CORVUS on soils where the subsoil is The glyphosate-based herbicide Roundup was first developed by Monsanto in the 1970s. View the step-by-step guide on how to search for the active ingredient(s) in pesticide products below: Go to U.S. EPA's Pesticide Product and Label System and enter the product name. The amount of water will depend on how much water it takes to cover 1,000 sq ft thoroughly. corteva tordon herbicide rtu Image 2. Pendimethalin should be applied to corn after planting and to corn planted at least 1.5 inches deep. CORVUS Herbicide also contains 1.25 pounds per gallon of the new corn safener Cyprosulfamide. The new safener, cyprosulfamide, safens isoxaflutole and thiencarbazone-methyl. Pendimethalin is the active ingredient in Prowl and several Simazine 4L is a preemergence herbicide that provides effective broad-spectrum control of a wide range of annual and perennial grasses and broadleaf weeds in a variety of crops. Precipitation Required for Activation. (active ingredient in Herbicide Formulation Product Rate Range Rimsulfuron.+.thifensulfuron. Single-Active Ingredient Products. gramoxone paraquat herbicide gallons rup tex bes active gallon It is important to note that all herbicides place stress on the crop, regardless of whether a hybrid is resistant to the particular active ingredient (e.g. No. Four mo. .1/3.-.1.oz Thifensulfuron + tribenuron (active ingredient) Harmony Extra 50DF 0.75 0.9