Herbicides

AIM (Carfentrazone-ethyl)

Weeds Controlled
Controls small weeds less than 4 inches tall or rosettes less than 3 inches wide.

When to Apply
Used as a pre-plant or pre-emerge burn down as a stand-alone or tank mixed. Also labeled for hooded sprayer application between rows.

Remarks:
Tank mix with Glyphosate, paraquat, Express* for broad spectrum weed control. Addition of AMS and MSO adjuvants will enhance weed control.

*Express pre-plant for ExpressSun varieties only.

Anthem® Flex (pyroxasulfone + carfentrazone)

Weeds Controlled
Pre-emerge weed control: Palmer amaranth, tall and common pigweed, waterhemp, giant, green and yellow foxtails, redroot and smooth pigweed, barnyardgrass. Suppression of kochia, Russian thistle, downy brome and cheat grass.

Pre-emerge control: May give six to eight weeks of residual weed control for small susceptible weeds such as pigweeds, waterhemp, palmer amaranth green foxtail, yellow foxtail, barnyardgrass

When to Apply
Early preplant, Preplant or pre-emergence up to 3 days after planting, if seedlings have not broken the soil surface. Will control small emerged susceptible broadleaf weeds when used as a pre-plant or pre-emerge burndown as a stand-alone or tank mix.

Remarks:
Adjust rate to soil type and soil OM by rate chart on label. Requires 0.75 to 1 inch of moisture for herbicide activation. Provide adequate furrow closure at planting. Tank mix with Aim herbicide, glyphosate, Express* or paraquat for broad spectrum burndown weed control.

*Express pre-plant for ExpressSun varieties only.

Assure II and Targa (Quizalofop)

Weeds Controlled
Annual grasses and quackgrass

When to Apply
Postemergence. For most foxtail, apply when plants are 2-4 inches tall. For other grassy weeds, apply when plants are 2-6 inches

Remarks: Good control of quackgrass.

Authority® Supreme (sulfentrazone + pyroxasulfone)

Weeds Controlled
Pre-emerge weed control: glyphosate, ALS, and triazine-resistant weeds, including kochia, giant, green and yellow foxtails, redroot and smooth pigweed, common lambsquarters, ivyleaf and tall morningglory, eastern black and black nightshade, barnyardgrass, palmer amaranth, Russian thistle, common and tall waterhemp.

Pre-emerge control: May give six to eight weeks of residual weed control for small susceptible weeds such as pigweeds, kochia, green foxtail, Russian thistle and common lambsquarters.

When to Apply
Fall or spring, Early preplant, Preplant or pre-emergence up to 3 days after planting, if seedlings have not broken the soil surface. Will control small emerged susceptible broadleaf weeds when used as a pre-plant or pre-emerge burndown as a stand-alone or tank mix.

Remarks:
Adjust rate to soil type, soil OM and soil pH by rate chart on label. Requires 0.5 to 1 inch of moisture for herbicide activation. Provide adequate furrow closure at planting. For soils with pH greater than 7.2 use the lowest rate for that specific soil texture and organic matter. Tank mix with Aim herbicide, glyphosate, Express* or paraquat for broad spectrum burndown weed control.

*Express pre-plant for ExpressSun varieties only.

Authority® Edge (sulfentrazone + pyroxasulfone)

Weeds Controlled

Pre-emerge weed control: glyphosate, ALS, and triazine-resistant weeds, including kochia, giant, green and yellow foxtails, redroot and smooth pigweed, common lambsquarters, ivyleaf and tall morningglory, eastern black and black nightshade, barnyardgrass, palmer amaranth, Russian thistle, common and tall waterhemp.

Pre-emerge control: May give six to eight weeks of residual weed control for small susceptible weeds such as pigweeds, kochia, green foxtail, Russian thistle and common lambsquarters.

When to Apply
Fall or spring, Early preplant, Preplant or pre-emergence up to 3 days after planting, if seedlings have not broken the soil surface. Will control small emerged susceptible broadleaf weeds when used as a pre-plant or pre-emerge burndown as a stand-alone or tank mix.

Remarks:
Authority® Supreme is a 1:1 ratio of sulfentrazone:pyroxasulfone while Authority® Edge is 1.8:1 ratio of sulfentrazone:pyroxasulfone. Adjust rate to soil type, soil OM and soil pH by rate chart on label. Requires 0.5 to 1 inch of moisture for herbicide activation. Provide adequate furrow closure at planting. For soils with pH greater than 7.2 use the lowest rate for that specific soil texture and organic matter. Tank mix with Aim herbicide, glyphosate, Express* or paraquat for broad spectrum burndown weed control.

*Express pre-plant for ExpressSun varieties only.

Beyond/Beyond Xtra (imazamox use on CLEARFIELD Sunflower)

Weeds Controlled
Wild beet, chickweed, cocklebur, jimsonweed, kochia*, lambsquarter, mustard spp., marshelder, nightshade, pigweed, puncturevine*, purslane,c.*, radish, w., smartweed, spurge, vol. sunflower, tansy mustard, velvetleaf, wild barley, barnyardgrass*, blackgrass, bromus, spp., canarygrass, crabgrass, spp.*, cupgrass, wooly*, darnel, persian, foxtail, spp., goosegrass, goatgrass, J., millet, proso, oats, wild, panicum spp., sandbur, field*, shattercane, signalgrass, stinkgrass, vol.cereals, witchgrass*
*asterisk indicates a sequential treatment of Prowl followed by Beyond is needed for complete control

When to Apply
Apply Beyond early postemergence from the V2 stage of growth up to and including the V8 growth stage.
Apply before broadleaf weeds exceed a height or width of 3". Apply before grass weeds exceed 4-5 leaves.

Remarks:
Beyond is part of the CLEARFIELD Production System for use on CLEARFIELD sunflower hybrids only.

Dual MAGNUM (S-metolachor)

Weeds Controlled
Grasses and some broad leaf weeds:
barnyardgrass, red rice, yellow nutsedge, carpetweed (watergrass), robust foxtails, common waterhemp, bristly foxtail (purple, white), Eastern black nightshade, crabgrass, signalgrass, (Brachiaria) Florida pusley, crowfootgrass, southwestern cupgrass, galinsoga, fall panicum, wild proso millet*, pigweed, foxtail millet, witchgrass, Powell amaranth, giant foxtail, woolly cupgrass* Palmer pigweed, goosegrass, yellow foxtail, tall waterhemp, green foxtail, tropical spiderwort, prairie cupgrass

*Partial Control

When to Apply
Dual MAGNUM may be applied either as a preplant incorporated broadcast treatment or as a pre-emerge broadcast treatment. Apply 1-2 pts/A to soil and incorporate in top 3" using finishing disk, harrow, rolling cultivator, etc., within 14 days before planting. Do not bring untreated soil to surface with cultivation.

Premergence applications should be made at or shortly after planting but before weeds emerge. Dual MAGNUM will not control emerged weeds.

Remarks:
To avoid possible illegal residues: (1) Do not allow livestock to graze or feed in treated area. (2) Do not exceed the maximum label rates given above for sunflowers for the soil type.

Eptam (EPTC)

Weeds Controlled
ANNUAL GRASSES
Annual Bluegrass, Annual Ryegrass, Barnyardgrass, Bermudagrass, Crabgrass, Giant Foxtail, Goosegrass, Green Foxtail, Johnsongrass, Lovegrass, Fall Panicum, Texas Panicum*, Rescuegrass, Field Sandbur, Shattercane**, Signalgrass, Volunteer Grains*, Wild Oats*, Witchgrass*, Yellow Foxtail
*May not be controlled at less than 3 1/2 pints of EPTAM per acre.
**May not be controlled at less than 7 pints of EPTAM per acre.

ANNUAL BROADLEAF WEEDS
Tall Morningglory, Black Nightshade*, Carpetweed, Common Chickweed, Corn Spurry, Cutleaf Nightshade*, Deadnettle, Fiddleneck, Florida Pusley, Hairy Nightshade*, Common Lambsquarters*, Nettleleaf Goosefoot, Common Purslane, Prostrate Pigweed*, Prickly Sida*, Redroot Pigweed*, Sicklepod, Tumble Pigweed

The annual broadleaf weeds listed above will be controlled only if treatment is made when conditions are favorable for weed germination and growth.
Broadleaf weeds may only be suppressed at less than 3 1/2 pints EPTAM per acre in heavier soils or under very cold soil conditions.
*May not be controlled at less than 4 1/2 pints of EPTAM per acre.

When to Apply
The new supplemental label directs post-emergent use after the V2 stage and prior to R1 reproductive stage and not after the sunflower plant has reached 8 inches in height.

Remarks:
Eptam may be used as a postemergence application in sunflower. The post application is best suited with irrigation water. For more information go to www.gowanco.com.

Express SG (tribenuron use on EXPRESS sunflower)

Weeds Controlled
Broadleaf weeds controlled or suppressed:
Buckwheat, wild*, Chamomile, mayweed, Chamomile, wild, Chickweed, common, Dandelion, Falseflax, smallseed, Flixweed, Lambsquarters: common, slimleaf, Lettuce, miner's, Lettuce, prickly**, Marsh elder †, Mustard: black, blue (purple mustard), wild, Nightshade, hairy*, Pineapple-weed, Pigweed: redroot†, tumble (0.5 oz.), Puncturevine, Purslane, common shepherd’s purse, Smartweed, Pennsylvania*, Sowthistle, annual*, Tansymustard, Thistle: Canada, Russian**, Vetch*: common, hairy
Wallflower, bushy (treacle mustard)

* Partial control. For better results, use 0.5 oz. Express herbicide per acre.
**See the specific Weed Instructions section of this label for more information
† Naturally occurring resistant biotypes are known to occur.

When to Apply
Apply Express herbicide using a minimum spray volume of 5 GPA using flat-fan nozzles or 2 GPA by air to provide good weed control. See label for GPA instructions for other nozzles and for specific state instructions. When tank mixing with a grass herbicide, use the higher spray volume recommended for those products, usually 10 GPA by ground.

• Apply Express herbicide from the two-leaf stage up to but not including bud formation.

• Depending on environmental conditions, a second application may be needed 14 or more days after the
first application.

•Do not apply within 70 days of sunflower harvest.

Remarks:
For use only on sunflowers with ExpressSun® trait for tolerance to Express® herbicide

Preemergence/Burndown
Express herbicide 0.25-0.5 oz./A. Zero-day interval before planting.

Postemergence
Express herbicide 0.25-0.5 oz./A + MSO 1 gal./100 gal. Do not exceed 1 oz./A postemergence per use season.

Apply 0.5 oz./A rate when weed infestation is heavy or when weeds predominantly consist of weeds partially controlled or when application timing and environmental conditions are marginal.

Temporary crop yellowing may be observed shortly after application of Express. For use on sunflower hybrids with the FMC ExpressSun Trait for tolerance to DuPont Express herbicide with Totalsol Soluable Granules. See label for more details.

Glyphosate

Weeds Controlled
Emerged grass and broadleaf

When to Apply
Preplant or anytime prior to crop emergence.

Remarks:
Nonselective, nonresidual, systemic, foliar herbicide. Apply with AMS fertilizer. Refer to label for adjuvant use.

Paraquat (weed control)

Weeds Contolled
Emerged annual grasses and broadleaf weeds.

When to Apply
Preplant or anytime prior to crop emergence.

Remarks:
Nonselective, nonresidual, foliar herbicide. Apply with nonionic surfactant (NIS) at 0.12 to 0.25% v/v. Good coverage is essential. A residual herbicide may be tank-mixed with paraquat.

Poast (sethoxydim)

Weeds Controlled
Annual grasses

When to Apply
Post-emergence. Grass: two to six inches tall.

Remarks:
Apply with oil adjuvant at 1 qt./acre to actively growing weeds. Allow 70-day preharvest interval.

Prowl/Prowl H2O (pendimethalin)

Weeds Controlled
Grass and some broadleaf weeds

When to Apply
Preplant incorporated

Remarks:
Poor on wild mustard and wild oat. Adjust rate according to soil type. Apply PRE for no-till sunflower only. May be tank mixed with Eptam.

Select, Select Max, or Shadow 3EC, (clethodim)

Weeds Controlled
Annual grasses and quackgrass

When to Apply
Postemergence. Grass: 2 to 6 inches tall

Remarks:
Apply with oil adjuvant a 1 gal/100 gal water but not less than 1.25 pt./acre to actively growing weeds. Refer to label for tank-mix options. Allow a 70-day PHI.

Sonalan (ethalfluralin)

Weeds Controlled
Good to excellent control of: Barnyardgrass, green and yellow foxtail, field sandbur, Lambsquarters, redroot pigweed, Russian thistle
Suppression: Kochia

Remarks:
For use in reduced or conservation tillage. Incorporate twice at two- to three-inch depth using V-blade, undercutter, or rotary hoe. For fall applications, incorporate one in the fall and once in the spring prior to seeding.

Sonalan + Eptam (ethalfluralin + EPTC)

Weeds Controlled
Grass and some broadleaf weeds

When to Apply
Preplant incorporated

Remarks:
Adjust rate according to soil type and organic matter, PPI immediately after application. Poor on mustard.

Spartan (sulfentrazone)

Weeds Controlled
Annual small-seeded broadleaf weeds, including kochia, pigweed, lambsquarter, morningglory, nightshade, palmer amaranth, redstem filaree, Russian thistle, sida waterhemp, and biennial wormwood

When to Apply
Early preplant; preplant incorporated; or pre-emergence

Remarks:
Make EPP application up to 30 days prior to planting. Adjust rate to soil type. Requires precipitation for activation. Provide adequate furrow closure at planting. Temporary sunflower injury may occur in coarse, low-organic-matter soils with pH greater than 8.0. May give six to eight weeks of residual weed control.

Spartan Charge (carfentrazone & sulfentrazone)

Weeds Controlled
Premerge weed control: Annual small-seeded broadleaf weeds, including kochia, pigweed, lambsquarter, morningglory, eastern black and black nightshade, palmer amaranth, Russian thistle, waterhemp.

Post-emerge control: Small susceptible broadleaf weeds such as pigweeds, kochia, and lambsquarters that are less than 4 inches tall or rosettes less than 3 inches wide. Coverage is essential for post-emergence burdown control. The use of MSO type adjuvant increases post-emerge burndown activity.

When to Apply
Early preplant; Preplant or pre-emergence up to three days after planting. Will control small emerged susceptible broadleaf weeds when used as a pre-plant or pre-emerge burn down as a stand-alone or tank mix.

Remarks:
Can be applied up to 30 days prior to planting as an early preplant. Adjust rate to soil type, soil OM and soil pH by rate chart on label. Requires 0.5 to 1 inch of moisture for herbicide activation. Provide adequate furrow closure at planting. Temporary sunflower injury may occur in coarse (sandy), low-organic-matter soils with pH greater than 7.5. May give six to eight weeks of residual weed control. Tank mix with glyphosate, Express* or paraquat for broad spectrum burndown weed control.

*Express pre-plant for ExpressSun varieties only.

Spartan Elite/BroadAxe XC (metolachor & sulfentrazone)

Weeds Controlled
Premerge weed control: glyphosate, ALS, and triazine-resistant weeds, including kochia, giant, green and yellow foxtails, redroot and smooth pigweed, common lambsquarters, ivyleaf and tall morningglory, eastern black and black nightshade, barnyardgrass, palmer amaranth, Russian thistle, common and tall waterhemp.

Pre-emerge control: May give six to eight weeks of residual weed control for small susceptible weeds such as pigweeds, kochia, green foxtail, Russian thistle and common lambsquarters.

When to Apply
Early preplant; Preplant or pre-emergence 14 days prior to 3 days after planting, if seedlings have not broken the soil surface. The addition of AIM will control small emerged susceptible broadleaf weeds when used as a pre-plant or pre-emerge burndown as a stand-alone or tank mix.

Remarks:
Adjust rate to soil type, soil OM and soil pH by rate chart on label. Requires 0.5 to 1 inch of moisture for herbicide activation. Provide adequate furrow closure at planting. For soils with pH greater than 7.2 use the lowest rate for that specific soil texture and organic matter. Tank mix with Aim herbicide, glyphosate, Express* or paraquat for broad spectrum burndown weed control.

*Express pre-plant for ExpressSun varieties only.

Treflan (Trifluralin)

Weeds Controlled
Good to excellent control of: Barnyardgrass, green and yellow foxtail, field sandbur, Lambsquarters, redroot pigweed, Russian thistle
Suppression: Kochia

When to Apply
Preplant incorporated Fall, PPI after Sept. 1; or spring

Remarks:
Poor wild mustard and wild oat control. PPI within 24 hours after application. May be tank-mixed with Eptam.

Trifluralin + Eptam (EPTC)

Weeds Controlled
Grass and some broadleaf weeds

When to Apply
Preplant incorporated

Remarks:
Enhances wild oat and reduces potential carryover or trifluralin.

Valor® SX Herbicide

Weeds Controlled
Valor provides little postemergence weed control
Chamomile: False, Cheatgrass, Chickweed: Common & Mouseear, Cockle: White, Dandelion, Deadnettle: Purple, Groundsel: Cressleaf, Henbit, Kochia, Marestail/Horseweed, Mallow: Common, Prickley Lettuce, Wormwood: Biennial. Canola: Volunteer, Carolina Geranium, Eveningprimrose: Cutleaf, Flixweed, Mustard: Tansy& Wild, Shepherd's-purse.

When to Apply
Fall burndown program Valor can't be used preemergence in Sunflowers

Remarks:
Valor can be used at 3 - 4 oz/Acre with labeled burndown herbicides to enhance the speed of burndown, increase weed spectrum and provide residual weed control until the following spring. Valor should be mixed with 2, 4-D and/or glyphosate formulations labeled for burndown programs (pre-emergence to crop). Do not perform any tillage operation after application or residual weed control will be reduced. Additional preemergence herbicides should be applied at planting and postemergence herbicides in-crop should be planned to achieve optimum weed control.

Zidua® (pyroxasulfone)

Weeds Controlled or Suppressed:
Grasses and Sedges: Bromus spp., Crabgrass spp., Goosegrass, Foxtail spp., Johnsongrass (seedling), Panicum spp., Ryegrass spp., Shattercane, Wild proso millet, Woolly cupgrass, Yellow Nutsedge.

Broadleaf Weeds: Common ragweed, Kochia, Lambsquarters, Marestail (horseweed), Morningglory spp., Nightshade spp., Palmer amaranth, Pigweed spp., Velvetleaf, Waterhemp, Wild Buckwheat.

When to Apply
May be applied preplant surface, preemergence, or early postemergence to sunflower. Do not apply preplant incorporated prior to sunflower planting and do not apply to sunflower at soil cracking or to cotyledon sunflower. Apply Zidua at 1 to 4 fl oz/A depending on soil texture. Zidua may be applied early postemergence from V1 to V8 at 1 to 2 fl oz/A to provide residual weed control. The maximum cumulative amount of Zidua herbicide for sunflowers per crop season by soil type is 1.5 (coarse), and 5.0 (medium and fine) oz/A.

Remarks:
Zidua and Beyond tank mix cannot be applied on Clearfield sunflower but can be applied on Clearfield Plus sunflower varieties. Allow a 60 day PHI. For registered tank mixes, follow the adjuvant recommendations for the tank mix partner of Zidua.

Zidua®SC (pyroxasulfone)

Weeds Controlled or Suppressed:
Grasses and Sedges: Bromus spp., Crabgrass spp., Goosegrass, Foxtail spp., Johnsongrass (seedling), Panicum spp., Ryegrass spp., Shattercane, Wild proso millet, Woolly cupgrass, Yellow Nutsedge.

Broadleaf Weeds: Common ragweed, Kochia, Lambsquarters, Marestail (horseweed), Morningglory spp., Nightshade spp., Palmer amaranth, Pigweed spp., Velvetleaf, Waterhemp, Wild Buckwheat.

When to Apply
May be applied preplant surface, preemergence, or early postemergence to sunflower. Do not apply preplant incorporated prior to sunflower planting and do not apply to sunflower at soil cracking or to cotyledon sunflower. Apply Zidua®SC at 1.75 to 6.5 fl oz/A depending on soil texture. Zidua®SC may be applied early postemergence from V1 to V8 at 1.75 to 3.25 fl oz/A depending on soil texture to provide residual weed control. If a sequential application program is used the maximum cumulative amount of Zidua®SC herbicide for sunflowers per crop season by soil type is 2.5 (coarse), and 8.25 (medium and fine) oz/A.

Remarks:
Zidua®SC and Beyond tank mix cannot be applied on Clearfield sunflower but can be applied on Clearfield Plus sunflower varieties. Allow a 60 day PHI. For registered tank mixes, follow the adjuvant recommendations for the tank mix partner of Zidua®SC.

Directions for Use of These Products
It is a violation of Federal law to use any of these products in manner that is inconsistent with its labeling. For any requirements specific to your State or Tribe contact the State or Tribal agency that is responsible for pesticide regulation.