DuPont Authentication H - 65190 manual General Information, Application Information, Tank Mixtures

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GENERAL INFORMATION

•Weed spectrum and size at time of application

•Environmental conditions at and following treatment

DuPont™ VELPAR® DF herbicide is a water-dispersible granule that is mixed in water and applied as a spray for weed control in certain crops, Christmas trees, forestry site preparation and release areas, and industrial areas. It may also be applied as a basal soil treatment for brush control in reforestation areas, rangeland, pastures and noncrop areas.

VELPAR® DF is an effective general herbicide providing both contact and residual control of many annual and biennial weeds and woody plants. It is also effective for control of most perennial weeds.

VELPAR® DF is noncorrosive to equipment.

Caution should be exercised when applying VELPAR® DF near desirable trees or shrubs as they can absorb VELPAR® DF through roots extending in to treated areas.

This product may be applied on conifer plantations and non- crop sites that contain areas of temporary surface water caused by collection of water between planting beds, in equipment ruts, or in other depressions created by management activities. It is permissible to treat intermittent drainage, intermittently flooded low lying sites, seasonally dry flood plains and transitional areas between upland and lowland sites when no water is present. It is also permissible to treat marshes, swamps and bogs after water has receded, as well as seasonally dry flood deltas. DO NOT make applications to natural or man-made bodies of water such as lakes, reservoirs, ponds, streams and canals.

Where a rate range is shown, use the higher levels of the dosage range on hard-to-control species, fine-textured soils, or soils containing greater than 5% organic matter or carbon. Use the lower levels of the dosage range on coarse-textured soils and/or on soils low in organic matter. Refer to specific uses for rate ranges.

APPLICATION INFORMATION

VELPAR® DF may be applied by ground equipment and, where permitted, aerial equipment. Use rates, minimum spray gallonage, and other application information are described for various uses.

Dispose of the equipment washwater by applying it to a use- site listed on this label or in accordance with directions given in the “Storage and Disposal” section of this label.

Before spraying, calibrate equipment to determine the quantity of water necessary to uniformly and thoroughly cover the vegetation and soil in a measured area to be treated. Make sure the volume of water is sufficient to completely suspend the VELPAR® DF.

TANK MIXTURES

VELPAR® DF herbicide may be tank mixed with other herbicides and /or adjuvants registered for the uses (crops) specified in the label.

Refer to the label of the tank mix partner(s) for any additional use instructions or restrictions.

ENVIRONMENTAL CONDITIONS AND BIOLOGICAL ACTIVITY

VELPAR® DF is absorbed through the roots and foliage. Moisture is required to activate VELPAR® DF in the soil. Best results are obtained when the soil is moist at the time of application and 1/4–1/2 inches of rainfall occurs within 2 weeks after application.

For best results, apply VELPAR® DF preemergence or postemergence when weeds are less than 2 inches in height or diameter. Herbicidal activity is most effective under conditions of high temperature (above 80 °F), high humidity, and good soil moisture. Herbicidal activity may be reduced when vegetation is dormant, semi-dormant, or under stress(e.g. temperature or moisture).

Herbicidal activity will usually appear within 2 weeks after application to susceptible plants under warm, humid conditions; while 4–6 weeks may be required when weather is cool or dry, or when susceptible plants are under stress. If rainfall after application is inadequate to activate VELPAR® DF in the soil, plants may recover from contact effects and continue to grow.

On woody plants, symptoms usually appear within 3–6 weeks after sufficient rainfall has carried the herbicide into the root zone during periods of active growth. Defoliation and subsequent refoliation may occur, but susceptible plants are killed.

The degree and duration of control will depend on the following:

• Use rate

RESISTANCE

When herbicides that affect the same biological site of action are used repeatedly over several years to control the same weed species in the same field, naturally-occurring resistant biotypes may survive a correctly applied herbicide treatment, propagate, and become dominant in that field. Adequate control of these resistant weed biotypes cannot be expected. If weed control is unsatisfactory, it may be necessary to retreat the problem area using a product affecting a different site of action.

To better manage herbicide resistance through delaying the proliferation and possible dominance of herbicide resistant weed biotypes, it may be necessary to change cultural practices within and between crop seasons such as using a combination of tillage, retreatment, tank-mix partners and/or sequential herbicide applications that have a different site of action. Weed escapes that are allowed to go to seed will promote the spread of resistant biotypes.

It is advisable to keep accurate records of pesticides applied to individual fields to help obtain information on the spread and dispersal of resistant biotypes. Consult your agricultural dealer, consultant, applicator, and/or appropriate state agricultural extension service representative for specific alternative cultural practices or herbicide recommendations available in your area.

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Contents DuPont Velpar DF Table of Contents Precautionary Statements Hazards to Humans Domestic Animals User Safety RecommendationsKeep OUT of Reach of Children First AIDGeneral Information Application InformationTank Mixtures Environmental Conditions and Biological ActivityDirections for USE AlfalfaIntegrated Pest Management Agricultural Uses Agricultural USE RequirementsUSE Rates Weeds ControlledSpray Equipment Dormant VarietiesChemigation Alfalfa Flood Irrigated Alfalfa Replanting Following AlfalfaPosting of Areas to be Treated USE Precautions Alfalfa BlueberryHigh Bush Blueberries ApplicationUSE Precautions USE PrecautionsLOW Bush Blueberries High Bush BlueberriesEastern US Christmas TreesWestern US Pineapple USE Precautions Christmas TreesTreatments to field edges and roadsides Apply Sugarcane USE Precautions Sugarcane ForestrySite Preparation Eastern US and Lake StatesHerbaceous Plants Plants ControlledWoody Plants USE Precautions Site Preparation Forestry ReleaseGrid Application Basal Soil Single Stem TreatmentsBrush Controlled Eastern US Velpar DFCrop Species Soil Description Established Trees Soil Description Lb/AcreBasal Soil Single Stem Treatment USE Precautions Release Grid & Single StemRelease Herbaceous Weed Control USE Precautions Impregnated Fertilizer for Forestry Forestry Impregnation on DRY Bulk FertilizerUSE Precautions Forestry USE Precautions Yellow Poplar PlantingsPasture / Rangeland Yellow Poplar PlantingsUSE Precautions Pasture Pasture / Rangeland Brush ControlWeeds Controlled USE Rates Spray EquipmentUSE Precautions Pasture / Rangeland NON-AGRICULTURAL UsesNoncrop Industrial Sites NON-AGRICULTURAL USE RequirementsSpecific Weed Problems Application Timing3 6 2/3 Lb/Acre 10 2/3 Lb/AcreUSE Precautions Industrial Unimproved Turf NON-CROP Brush ControlBroadcast 3 to 10 2/3 Lb/AcreAdditional USE Information USE Precautions NON-CROPSpray Drift Management Spray Tank Clean OUT Surface Temperature InversionsStorage and Disposal Shielded SprayersSL 1066 041706

H - 65190 specifications

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