LibertyLink Liberty Integrated Pest Management_2013 Seed Trait Technology Manual Part 2
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LibertyLink Liberty Integrated Pest Management_2013 Seed Trait Technology Manual Part 2

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Liberty® Herbicide paired with LibertyLink® trait is the only nonselective alternative to glyphosate-tolerant systems in weeds. Liberty® Herbicide provides efficient weed management that enables ...

Liberty® Herbicide paired with LibertyLink® trait is the only nonselective alternative to glyphosate-tolerant systems in weeds. Liberty® Herbicide provides efficient weed management that enables nonselective and selective herbicide rotation.

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LibertyLink Liberty Integrated Pest Management_2013 Seed Trait Technology Manual Part 2 LibertyLink Liberty Integrated Pest Management_2013 Seed Trait Technology Manual Part 2 Presentation Transcript

  • LI B E RT Y H E R B I C I D E LIBERTY HERBICIDE after application will not be controlled. A herbicide Mixing Instructions: In cotton: If environmental conditions prevent tankmix partner may be added to provide residual 1.  tart with properly calibrated and S timely applications, a single burndown application •  iberty herbicide paired with the LibertyLink L or enhance efficacy. Carefully follow the use clean equipment. of Liberty up to 43 fl oz/A may be made. trait is the only nonselective alternative to directions and label of the selected tankmix partner. glyphosate-tolerant systems. 2. Fill spray tank half full with water. Liberty can be used as a burndown or applied For best results, apply to young, actively growing •  iberty is a contact herbicide with a unique L 3. Start agitation. with a hooded sprayer to non-LibertyLink cotton weeds. Warm temperatures, high humidity and mode of action (Group 10) that provides for the control of glyphosate-resistant weeds, bright sunlight improve the performance of 4. Add AMS to spray tank. postemergence control of broadleaf and such as Palmer amaranth and marestail. Properly Liberty. In dry climates, take advantage of early 5. Add tankmix partner. grass weeds, including weeds resistant to adjust hooded spray equipment and regulate morning humidity by making spray applications glyphosate and multiple herbicide classes. 6. Complete filling spray tank with water. tractor speed to avoid bouncing or exposing the during that time. Additionally, spraying Liberty • Liberty kills weeds in days vs. weeks. 7. Add Liberty herbicide and continue agitation. cotton to the spray application. The spray hoods within two hours of sunset could result in reduced must be operated on the ground or skimming •  iberty herbicide with the LibertyLink trait L velvetleaf and lambsquarters control. Liberty 8. If foaming occurs, use a silicone-based  across the ground. Avoid operation on rough or provides efficient weed management that activity is optimized when daytime temperatures antifoam agent. sloping ground where the spray hoods might be enables nonselective and selective reach at least 60 degrees and relative humidity is raised off the ground. Raised hoods can cause herbicide rotation. 30 percent. Apply Liberty at 15 gallons per acre Liberty For Use In A injury or destruction of the crop. As with over-the- (GPA) with nozzles and pressure that produce a Burndown Application Liberty herbicide with the LibertyLink trait is top applications, use nozzles that provide uniform medium-size spray droplet to ensure maximum designed to be rotated with glyphosate-tolerant Liberty can be applied as a burndown treatment coverage of the treated area. herbicide performance. systems or as part of a LibertyLink/glyphosate- prior to planting or emergence of canola, corn, stacked program, making it an ideal option in cotton, soybeans or sugarbeets. modern cropping systems where glyphosate is How to Spray Apply a minimum of 29 fl oz/A of Liberty used extensively. Unlike glyphosate, Liberty is a As a contact herbicide, follow application for burndown of existing weeds prior to contact material and requires different application guidelines to ensure adequate coverage and crop emergence. For best results, apply to methods and timings. The efficacy of Liberty in maximum weed control. emerged, young, actively growing weeds with a season-long weed management program is 1. Use nozzles and pressure that generate  a recommended application window of 14 days similar to glyphosate. Growers should practice medium-size spray droplets. preplant to just before crop emergence. Biennial responsible product stewardship by rotating 2.  pply Liberty at 15 GPA of water; increase A weeds, such as marestail, are easiest to control modes of action to reduce the risk of herbicide water if dense weed canopy exists. once they move out of the rosette growth stage resistance. A variety or hybrid containing both and start to bolt (6 inches to 12 inches in height). LibertyLink and glyphosate-tolerant traits offers 3. Apply at groundspeed of less than 15 mph  In both conventional and glyphosate-tolerant an opportunity to use two different herbicides to attain adequate coverage. crops, Liberty is an effective burndown treatment during and between crop years as part of an 4. Do not apply when wind speeds are greater  for weed control prior to crop emergence. Warm Integrated Weed Management program. than 10 mph. temperatures, high humidity and bright sunlight Liberty is labeled for use on all LibertyLink crops, 5.  dd ammonium sulfate (AMS) at 1.5 lb/A A improve the performance of Liberty. Weed including LibertyLink soybeans, corn, cotton and (8.5 lb per 100 gal) to 3 lb/A (17 lb per 100 gal)*. control may be reduced when applications are canola. Visual effects and control of weeds occur made to weeds under stress due to drought or 6. Add tankmix partner, if needed. within two to four days after application under cool temperatures. typical growing conditions. Weeds that emerge In canola, corn, soybeans and sugarbeets: If environmental conditions prevent timely applications, a single burndown application Side-by-side comparison of glyphosate (left) and Liberty (right) * esearch has consistently shown AMS improves weed control with Liberty herbicide. AMS is especially needed for difficult-to-control weeds like velvetleaf and R for use as burndown on glyphosate-resistant marestail. lambsquarters under difficult environmental conditions (low relative humidity) or hard water. of Liberty up to 36 fl oz/A may be made.9 10
  • LI B E RT Y H E R B I C I D E ROTATIONAL CROP RESTRICTIONS Nozzle Type Recommendations NOZZLE CALIBRATION AND NOZZLE FLOW RATE TABLE The following examples of nozzles from four SELECTION STEPS The following table contains the calculated Plant Back manufacturers are capable of delivering medium Rotational Crop 1.  etermine desired travel speed, nozzle D value of GPM for the indicated GPA, MPH and Interval sprays when properly selected and operated. spacing and application volume based upon W = 20 inches when using the aforementioned Canola, corn, cotton, rice, • Spraying Systems: TeeJet® Visiflo® Flat, equipment available, crop or weed size, and equation. Use the GPM calculated in the nozzle Anytime soybeans and sugarbeets XR TeeJet® Extended Range Flat or Turbo field conditions. flow rate table and refer to nozzle manufacturer TwinJet® Flat spray tips 2.  se the equation below to calculate the nozzle U resources for nozzle selection. Root and tuber vegetables, leafy vegetables, brassica leafy • Greenleaf Technologies: TurboDrop XL, ® flow rate required to deliver the required GPA. vegetables and small grains 70 days TurboDrop TwinFan® or AirMix® spray tips (barley, buckwheat, oats, rye, Gallons per minute per nozzle •  ypro: Guardian , Variable Pressure , Total H GPM = GPA x MPH x W ™ ™ teosinte and wheat) Range™ or Albuz® AXI spray tips 5940 GPA All other crops 180 days • Delavan AgSpray: VariTarget™ GPM =  ozzle flow rate (gallons per minute per nozzle) N 15 16 17 18 19 20 Refer to nozzle manufacturers’ catalogs, tech NOZZLE SELECTION GPA = Gallons per acre sheets or websites for additional guidance. 8 0.40 0.43 0.46 0.48 0.51 0.54 Nozzle Selection vs. Drop Size Category MPH =  ehicle speed (miles per hour) V • Spraying Systems: www.teejet.com W = Nozzle spacing (inches) Nozzle selection is a process that maximizes 9 0.45 0.48 0.52 0.55 0.58 0.61 •  reenleaf Technologies: www.turbodrop.com G 5940 = Constant product performance by managing the interaction between application volume (GPA), nozzle flow •  ypro: www.hypropumps.com H 10 0.51 0.54 0.57 0.61 0.64 0.67 rate (GPM), nozzle type, operating pressure, travel Example: What size (GPM) flat fan nozzle is • Delavan AgSpray: www.delavanagspray.com MPH speed (MPH), nozzle spacing (W) and droplet required to deliver 15 GPA when each nozzle is 11 0.56 0.59 0.63 0.67 0.70 0.74 size category. spaced on 20-inch centers and the sprayer is traveling at 10 MPH? What operating pressure is 12 0.61 0.65 0.69 0.73 0.77 0.81 recommended to deliver medium spray droplets? 13 0.66 0.70 0.74 0.79 0.83 0.88 Key points to remember: 15 x 10 x 20 = 0.505 = 0.51 GPM ✔  horough coverage is essential to achieve maximum herbicide performance. T 5940 14 0.71 0.75 0.80 0.85 0.90 0.94 ✔  elect nozzles and operating pressure that produce medium spray droplets and deliver at least S Use GPM = 0.51 to select the appropriate size 15 0.76 0.81 0.86 0.91 0.96 1.01 15 GPA. If a dense canopy is present, increasing the water volume and maintaining a medium nozzle from nozzle catalog, tech sheet or spray droplet will also increase efficacy. website. Below are some nozzles that will deliver 0.51 GPM to produce medium spray droplets. ✔  ozzle manufacturers provide recommendations for nozzles that meet the medium specifications N of ASABE S-572 standard. •  isiflo Flat Fan TP8005 nozzle operated V at ~41 PSI. •  winJet Twin Fan TJ60 – 8006 operated T at ~29 PSI. •  urboDrop XL TDXL11004 operated T at ~66 PSI. • AirMix AM11004 operated at ~66 PSI. • Guardian 120-04 operated at ~66 PSI.11 12
  • LI B E RT Y H E R B I C I D E BROADLEAF WEEDS CONTROLLED WITH LIBERTY GRASS WEEDS CONTROLLED WITH LIBERTY Maximum Weed Height Maximum Weed Height Maximum Weed Height Maximum Weed Height 22 fl oz/A 29 fl oz/A 22 fl oz/A 29 fl oz/A 22 fl oz/A 29 fl oz/A 22 fl oz/A 29 fl oz/A Amaranth, Palmer2 NR 4” Morningglory, sharppod2 2” 4” Barnyardgrass 3” 5” Millet, proso volunteer 6” 7” Anoda, spurred 3” 5” Morningglory, smallflower 2 4” 6” Barley, volunteer 3 3” 4” Millet, wild proso 6” 7” Beggarweed, Florida 4” 5” Morningglory, tall 2 6” 8” Bluegrass, annual 3” 5” Oat, wild 2 3” 4” Black medic 5” 7” Mustard, wild 4” 6” Corn, volunteer1 10” 12” Panicum, fall 3” 5” Blueweed, Texas 5” 7” Nightshade, black 4” 6” Crabgrass, large 2 3” 5” Panicum, Texas 4” 6” Buckwheat, wild 6” 7” Nightshade, eastern black 6” 8” Crabgrass, smooth2 3” 5” Rice, red 4” 6” Buffalobur 6” 7” Nightshade, hairy 6” 8” Cupgrass, woolly 6” 12” Rice, volunteer1 4” 6” Burcucumber 6” 10” Pennycress 4” 6” Foxtail, bristly 6” 8” Sandbur, field2 suppression 2” Carpetweed 4” 6” Pigweed, prostrate2 3” 4” Foxtail, giant 6” 12” Shattercane 6” 8” Chickweed, common 6” 8” Pigweed, redroot 2 3” 4” Foxtail, green 6” 12” Signalgrass, broadleaf 3” 5” Catchweed bedstraw (cleavers) 2” 4” Pigweed, smooth2 3” 4” Foxtail, robust purple 6” 8” Sorghum, volunteer 6” 8” Cocklebur, common 6” 14” Pigweed, spiny2 3” 4” Foxtail, yellow2 3” 4” Sprangletop 4” 6” Copperleaf, hophornbeam 4” 6” Pigweed, tumble2 3” 4” Goosegrass3 2” 3” Stinkgrass 4” 6” Cotton, volunteer1 6” 8” Puncturevine 4” 6” Johnsongrass, seedling 3” 5” Wheat, volunteer2 4” 5” Croton, tropic 3” 5” Purslane, common 2” 4” Junglerice 3” 5” Witchgrass 4” 6” Croton, woolly 2” 4” Pusley, Florida Sii 3” 1 V  olunteer LibertyLink crops from the previous season will not be controlled. A timely cultivation seven to 10 days after an application and/or retreatment 10 to 21 days after the first application is recommended for controlling dense clumps of volunteer corn or rice. Devil’s claw 2” 4” Ragweed, common 6” 10” 2 For best control, treat prior to tiller initiation. 3 May require sequential applications for control. Eclipta 4” 6” Ragweed, giant 6” 12” Fleabane, annual 6” 8” Senna coffee 4” 6” Biennial and perennial weed control Galinsoga, hairy 6” 8” Sesbania, hemp 6” 8” For control of the biennial and perennial weeds listed below, sequential applications of Liberty are Galinsoga, small flower 6” 7” Shepherdspurse 6” 8” recommended (29 fl oz/A followed by 29 fl oz/A no later than 10 days after first application)1. Geranium, cutleaf 4” 6” Sicklepod 4” 6” Controlled Controlled Controlled Groundcherry, cutleaf 4” 5” Sida, prickly 4” 5” Sequentially Sequentially Sequentially Hempnettle 4” 6” Smartweed, Pennsylvania 6” 14” Alfalfa ✔ Clover, Alsike ✔ Nutsedge, purple2 ✔ Horsenettle, Carolina3 2” 4” Smellmelon 4” 6” Artichoke, Jerusalem ✔ Clover, red ✔ Nutsedge, yellow2 ✔ Jimsonweed 6” 10” Sowthistle, annual 6” 8” Bermudagrass ✔ Dandelion ✔ Orchardgrass ✔ Knotweed 3” 5” Soybeans, volunteer1 6” 8” Bindweed, field ✔ Dock, smooth ✔ Poinsettia, wild ✔ Kochia2 4” 6” Spurge, prostrate 2” 4” Bindweed, hedge ✔ Dogbane, hemp 2 ✔ Pokeweed ✔ Ladysthumb 6” 14” Spurge, spotted 2” 4” Bluegrass, Kentucky ✔ Goldenrod, gray 2 ✔ Quackgrass 2 ✔ Lambsquarters, common2 4” 6” Starbur, bristly 4” 6” Blueweed, Texas ✔ Johnsongrass, rhizome ✔ Sowthistle ✔ Mallow, common 4” 6” Sunflower, common 6” 14” Bromegrass, smooth ✔ Milkweed, common 2 ✔ Thistle, bull ✔ Mallow, Venice 6” 8” Sunflower, prairie 3” 5” Burdock ✔ Milkweed, honeyvine2 ✔ Thistle, Canada ✔ Marestail3,4 Sii 6” – 12” Sunflower, volunteer 6” 10” Bursage, woollyleaf ✔ Muhly, wirestem 2 ✔ Timothy 2 ✔ Marshelder, annual 4” 6” Thistle, Russian3,4 Sii 6” – 12” Chickweed, mouseear ✔ Nightshade, silverleaf ✔ Wormwood ✔ Morningglory, entireleaf2 6” 8” Velvetleaf2 3” 4” Sequential applications should be made 10 days after first application. 1 Morningglory, ivyleaf2 6” 8” Waterhemp, common2 NR 5” Indicates suppression. 2 Morningglory, pitted2 6” 8” Waterhemp, tall2 NR 5” S= Suppression NR= Not recommended 1 Volunteer LibertyLink crops from the previous season will not be controlled. 2 For applications to corn, tankmixing with atrazine may enhance weed control of this species. 3 May require sequential applications for control of populations of weeds with mixed heights. 4 For best control, do not apply before weeds reach 6 inches tall.13 14
  • LI B E RT Y H E R B I C I D E LIBERTY HERBICIDE quick facts LibertyLink InVigor canola, LibertyLink corn, LibertyLink cotton Apply when weeds are no more than 3 inches to 4 inches tall and: Labeled Crops for In-Season Use and LibertyLink soybeans Soybeans: emergence to bloom Application Timing Corn: emergence up to corn in the V7 stage of growth Active Ingredient Glufosinate-ammonium Cotton: emergence up to 70 days prior to harvest Glutamine synthetase inhibitor Canola: emergence up to early bolting growth stage Mode of Action WSSA Group 10 Spray Volume 15 GPA Formulation 2.34 lb/gal SL (280 g/l) Rainfast 4 hours Package Size 2.5 gal jugs, 270 gal shuttles and bulk Anytime: canola, corn, cotton, rice, soybeans and sugarbeets. Cotton: 29 or 43 fl oz/A 1 Crop Rotation 70 days: root and tuber vegetables, leafy vegetables, brassica Use Rate for Burndown leafy vegetables and small grains. 180 days: all other crops. Canola, corn and soybeans: 29 or 36 fl oz/A 2 Corn and canola: 22 fl oz/A Canola3: 65 days Use Rate In-Season Cotton and soybeans: 29 fl oz/A no later than 10 to 14 days Corn forage: 60 days after crop emergence Pre-Harvest Interval Corn grain and fodder: 70 days Cotton: 70 days Soybeans: 65 fl oz/A Soybeans3: 70 days Cotton: 87 fl oz/A Max. Season Use Rate Canola: 44 fl oz/A Restricted Entry Interval 12 hours Corn: 44 fl oz/A Signal Word Warning Adjuvant AMS at 1.5 lb/A to 3.0 lb/A In cotton, if environmental conditions prevent timely applications resulting in large weeds or heavy infestation, a single application of Liberty at up to 43 fl oz/A may be made up 1 to a season maximum of 72 fl oz/A, including all application timings. The use of additional surfactants or crop oils may increase the risk Surfactants/Oils 2 In soybeans, if environmental conditions prevent timely applications resulting in large weeds or heavy infestation, a single application may be made of up to 36 fl oz/A of Liberty. of crop response. If more than 29 to 36 fl oz/A is used in a single burndown application, one additional in-season application may be made of up to 29 fl oz/A. The season total may not exceed 65 fl oz/A, including all application timings. 3 Do not graze treated canola or soybeans, or cut for hay. “ iberty herbicide came along as we started to see resistance L to different weeds. The bottom line is we have to protect it. We need to include it as a part of the best program that we put together. You just can’t have one thing or one direction for everything – you have to mix it up.” -Rick Schwennen, retailer from Wyoming, Iowa15 16