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Herbicide Operations QUICK REFERENCE TABLE Target/Type of Control Optimum Herbicide Application Rate Comments Desired Treatment Period Complete control (bare ground) beneath Roundup PROMAX® Apply after ® 8 + 1 + guardrails, under delineators and + Escort XP + wildflowers seed around sign supports is not Guardrails, delineators, ® 1.33 ounces per st Outrider & before July 31 . recommended. Vista® XRT at the rate of mailboxes, signage 10 ounces per acre can be combined (removal of tall weeds) Roundup PROMAX® 8 ounces + 1.33 Can be applied with the three way or two way mixtures + Outrider® ounces per acre until October 15th. for the control of Giant Ragweed without the need of a surfactant. Roundup PROMAX® EsplAnade® 200 SC is replacing Edge of Pavement, 3 per acre + ® with EsplAnade® 200 Landmark XP Add 2 ounces of (Bare Ground edge of 4 ounces per acre ® SC Landmark XP with 3 quarts of pavement application, March through Roundup PROMAX® to provide short no more than 6 October term control of edges and 3 ounces for Roundup PROMAX® 3 quarts per acre + from edge of road extended control of vegetation in Edge with Landmark® XP 2-3 ounces per acre ® surface) of Pavement. Do not use Landmark XP if the wind is above 10 MPH. Spot treatment during growing 1.5 % Solution Apply while Switchgrass Roundup PROMAX® season. actively growing 25 % Solution Rotowiper® application. ® Fixture or Flex-5. For use in Bahiagrass Roundup PROMAX 8 ounces + 1.33 ® ® . Do not use Outrider after + Outrider ounces per acre October 15th. Fixture or Flex-5 booms. In areas of Roundup PROMAX® 8 ounces + 1 ounce + good wildflowers, do not continue use of + Escort® XP + Escort® XP in wide patterns (overspray) ® 1.33 ounces per acre st ® Outrider Early boot to early after July 31 and Outrider after Johnsongrass Control th seedhead October 15 . 1.33 ounces per acre Fixture or Flex-5. Where Roundup ® ® + 2 qts. surfactant PROMAX brownout has been a Outrider ® per 100 of problem. Do not use Outrider after th water October 15 . 2 parts water, 1 part Roundup PROMAX® Ropewick. chemical

Roadside Vegetation Management 105 TxDOT 2018 Herbicide Operations QUICK REFERENCE TABLE (cont.) Target/Type of Control Optimum Herbicide Application Rate Comments Desired Treatment Period Hard to Control 1.5 quarts per acre Apply while Temp needs to be at least 85º. Target® 6.6 Two applications, 30-60 days Johnsongrass + ½ % Surfactant active growing apart are needed. Apply while Spot treatment during growing Roundup 1.5 % Solution Guinea Grass actively growing season. PROMAX® 16 ounces per acre Fixture or Flex-5 booms. Roundup Spot treatment during growing 1.5 % Solution PROMAX® season. Apply while Overspray with Roundup Itchgrass Roundup ® ® 12 ounces plus 4 ounces actively growing PROMAX at 12 ounces plus PROMAX + ® ® per acre EsplAnade 200 SC at 2 ounces EsplAnade 200 SC per acre. Flex-5 or Turbo-Drop. Wildoats or Jointed Roundup 10 ounces per acre Late March Spray before seed mature. Goatgrass PROMAX® Riprap, Paved Roundup 3 quarts per acre Overspray Operations. Medians, Raised ® PROMAX 1.5 % Solution Medians and Retaining Year Round Handgun Operations 4 oz per 100 plus 3 quarts Walls EsplAnade® 200 SC (Bare Ground) Roundup PROMAX® Aquatic Vegetation Approved Aquatic When vegetation 8 quarts per 100 gallons of Handgun operations. Add (standing or running Herbicide (54% is actively surfactant at the rate of 2 water water present) Glyphosate) growing quarts/100 gallons of water. Fixture or Flex-5 boom. Apply 10 fluid ounces per acre Late Spring / before plants mature. Do not use Sunflower Transline® ® Early Summer Transline after July 31st. 10 fl ounces per 100 gallons Handgun operations. Fixture or Flex-5 boom. Do not 10 fluid ounces per acre. ® Musk Thistle Transline® Early Spring use Transline after July 31st. 10 fl ounces per 100 gallons. Handgun operations.

Roadside Vegetation Management 106 TxDOT 2018 Herbicide Operations

QUICK REFERENCE TABLE (cont.) Optimum Target/Type of Control Herbicide Application Rate Treatment Comments Desired Period Fixture or Flex-5 spray boom. Apply before plants mature. 10 fluid ounces per acre + 2 qts. Vista® XRT can be combined with the Giant Ragweed surfactant per 100 gallons of water Late Spring / three way or two way mixtures without Vista® XRT (Bloodweed) Early Summer the need of a surfactant. Do not use Vista® XRT in the ROW after July 31st. 10 fl ounces per 100 gallons + 2 qts. Handgun operations. Do not use Vista® surfactant per 100 gallons of water XRT in the ROW after July 31st. 10 fluid ounces per acre Add ® Kochia Vista XRT surfactant at the rate of 2 qts. per 100 When gallons of water. vegetation is Fixture or Flex-5 boom. Do not use 10 fluid ounces per acre + actively Vista® XRT in the ROW after July 31st. Vista® XRT + Russian Thistle 1 ounce per acre + 2 qts. of surfactant growing Escort® XP per 100 gallons of water. Overspray operations with Flex-5 boom. 21 oz/ac + 2 qts. surfactant per 100 Mid-Summer / Mesquite & Huisache Transline® Do not use Transline® after October gallons of water Early Fall 15th. Mesquite & Huisache, Transline® - ½% + Mid-Summer / Use low X6 tip. 25 Poly Transline® Low Volume Foliar Spray 2 qts. surfactant /100 gallons of water Early Fall Tank with 12 volt electric pump 10 ounces per acre + 2 qts. surfactant Mid-Summer / Do not use if wind exceeds 10 per Huisache Streamline® per 100 gallons of water. Early Fall hour June- Bindweed 1 ounce per acre September Spray when 2-3 Common Sunflower 1 ounce per acre feet in height Add surfactant at the rate of ¼% (1 Western Bitterweed 1 ounce per acre March-April per 100 gallons of water). Do not ® ® st Escort XP February- use Escort XP after July 31 . Turnip Weed 1 ounce per acre March African Rue 3 ounce per acre September 1 ounce per acre June- All Other Applications; see above Morning Glory Vine 2 ounce per acre September Cable Fence Applications; see above

Roadside Vegetation Management 107 TxDOT 2018 Herbicide Operations QUICK REFERENCE TABLE (cont.) Target/Type of Control Optimum Herbicide Application Rate Comments Desired Treatment Period Rate to be added to two-way, three-way or four-way mixture. Other Broadleaf Weeds Escort® XP 1 ounce per acre May-July 31st Overspray use. ). Do not use Escort® XP after July 31st. Chemical Pruning (overhanging trees and 6 per acre When vegetation Overspray operations with Flex- 5 boom. Used for chemically brush encroaching on Capstone® + 2 quarts surfactant per 100 is actively pruning overhanging trees and right-of-way or covering gallons of water growing brush. roadway signage) Chemical Pruning in 6 pints per acre + 10 ounces When vegetation Overspray operations with Flex- areas where there are a Capstone® + per acre 5 boom. Used for chemically is actively lot of undergrowth and Vista® XRT + 2 quarts surfactant per 100 pruning overhanging trees and growing Hackberry trees gallons of water brush. Year Around Cone Jet #5500 X2 nozzle (Fall least Brush * required. Spray lower 12”-15” of Pathfinder II® Basal Bark Treatment preferable-As stem. Complete coverage (Mesquite, Huisache, etc) long as ground is required. Do not spray to point NOT frozen) of runoff. *Optional Basal Bark and cut stump applications with Pathfinder II® can be used at any time during the year, as long as ground is not frozen.

21 fluid ounces per acre When vegetation Kudzu *** Transline® + 2 quarts surfactant per 100 is actively Handgun operations. gallons of water growing

Approved 8 quarts per 100 gallons Georgia Cane or Aquatic September - + 2 quarts surfactant per 100 Handgun operations. Giant Reed Herbicide (54% October gallons of water Glyphosate) ***Please Note: Transline® at 21 ounces per acre is the maximum use rate per year. Kudzu is a very aggressive vine and additional treatments will need to be planned and scheduled for future years to gain total eradication of this noxious weed.

Roadside Vegetation Management 108 TxDOT 2018