DuPont Authentication H - 65190 manual Plants Controlled, Herbaceous Plants, Woody Plants

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APPLICATION INFORMATION

EASTERN US

Apply DuPont™ VELPAR® DF from early spring to early summer after hardwoods have broken bud and before the foliage has hardened off.

VELPAR® DF (Lb/Acre)

SoilsEastern US

Coarse Texture

Sand, loamy sand,

 

sandy loam

2 2/3 - 4

Medium Texture

 

Loam, silt loam,

 

sandy clay loam

4 - 5 1/3

Fine Texture

 

Silty clay loam,

 

clay loam, sandy clay,

 

silt, silty clay, clay

5 1/3 - 6 2/3

The rates listed are for broadcast application. Use the lower rates on coarse textured soils and soils low in organic matter. Use the higher rates on fine textured soils and soils high in organic matter. Use the higher rates where weeds identified with an * in the Weeds Controlled list predominate.

WESTERN US

For SITE PREPARATION, VELPAR® DF may be applied at 1.3 to 4 pounds per acre. Use the lower rates on coarse textured soils and soils low in organic matter. Use the higher rates on fine textured soils and soils high in organic matter. Use the higher rates where weeds identified in this label as “suppression” predominate.

In areas where other conifer species may be mixed in with the conifers listed above, VELPAR® DF may be applied if the user has prior experience with VELPAR® DF on the other conifer species. With no prior experience, it is recommended that either a small area of plantings be tested for conifer safety prior to treating larger areas, or make no application of VELPAR® DF in these areas within the site preparation area. Conifer species that are sensitive to VELPAR® (hexazinone) DF, such as, sugar pine and western larch, require 18 months before interplanting on treated sites.

Applications made to shelter wood sites may also result in mortality to over-story conifers. Factors that may influence conifer sensitivity in these sites could include application rate, conifer species, soil characteristics, uniformity of spray distri- bution across the treatment swath and environmental stress.

Rain Belt (areas of high spring rainfall): For best results, apply in late winter or spring when weeds and brush are actively growing.

Snow Belt (areas of low spring rainfall): For best results, apply in the fall before soil freezes, or in the spring after snow cover melts in anticipation of rainfall. Weed and brush control results from spring applications will be dependent on sufficient rainfall following application to activate VELPAR® DF.

PLANTS CONTROLLED

VELPAR® DF is recommended for the control or suppression of the following species in site preparations for forestry crops:

HERBACEOUS PLANTS

Asters

 

Aster, heath*

Aster ericoides

Barnyardgrass

Echinochloa crus-galli

Bentgrass

Agrostis spp

Bluegrass, annual

Poa annua

Bromegrass

Bromus spp

Carrot, wild

Daucus carota

Crabgrass*

Digitaria spp

Daisy, oxeye

Chrysanthemum leucanthemum

Dandelion, common*

Taraxacum officinale

Dandelion, false*

 

(spotted catsear)

Hypochaeris radicata

Dock, curly*

Rumex crispus

Elksedge

Carex geyeri

Fescue*

Festuca spp

Fireweed*(willowweed)

Epilobium angustifolium

Fleabane

Conyza spp

Foxtail

Setaria spp

Goldenrod*

Solidago spp

Groundsel, common

Senecio vulgaris

Horseweed/marestail

Conyza canadensis

Orchardgrass *

Dactylis glomerata

Pinegrass

Calamagrostis rubescens

Quackgrass*

Agropyron repens

Ragweed, common

Ambrosia elatior

Ryegrass, Italian (annual)

Lolium multiflorum

Ryegrass, perennial*

Lolium perenne

Smartweed,

 

Pennsylvania

Polygonum pensylvanicum

Squawcarpet

Ceanothus prostratus

Thistle, Canada*

Cirsium arvense

Velvetgrass, common

Holcus lanatus

WOODY PLANTS

 

Ash

Fraxinus spp

Aspen, big tooth

Populus grandidentata

Aspen, trembling

Populus tremuloides

Birch

Betula spp

Blackgum

Nyssa sylvatica

Cherry, black

Prunus serotina

Deerbrush

Ceanothus integerrimus

Dogwood, flowering*

Cornus florida

Elm

Ulmus spp

Hawthorn

Crataegus spp

Hazel

Corylus spp

Hickory

Carya spp

Honeysuckle*

Lonicera spp

Manzanita, Greenleaf

Arctostaphylos patula

Maple, red*

Acer rubrum

Oaks

Quercus spp

Poplar, balsam

Populus balsamifera

Snowbrush (varnishleaf)

Ceanothus velutinus

Sourwood*

Oxydendrum arboretum

Sweetgum

Liquidambar spp

Willows

Salix spp

*Suppression is a visible reduction in plant competition (reduced population and/or vigor) as compared to an untreated area. Degree of suppression will vary with rate applied, size of plants at application and environmental conditions following treatment. Species indicated above, especially resprouts of these species, may require a follow up treatment for acceptable control. Burning, as a follow up treatment, will enhance control of resprouts.

Within several weeks after VELPAR® DF activation by rainfall, affected vegetation may be burned, if desired. This burn may further enhance control of vegetation. Burn the

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Contents DuPont Velpar DF Table of Contents First AID Precautionary Statements Hazards to Humans Domestic AnimalsUser Safety Recommendations Keep OUT of Reach of ChildrenEnvironmental Conditions and Biological Activity General InformationApplication Information Tank MixturesAgricultural Uses Agricultural USE Requirements Directions for USEAlfalfa Integrated Pest ManagementDormant Varieties USE RatesWeeds Controlled Spray EquipmentChemigation Alfalfa Replanting Following Alfalfa Flood Irrigated AlfalfaPosting of Areas to be Treated Application USE Precautions AlfalfaBlueberry High Bush BlueberriesHigh Bush Blueberries USE PrecautionsUSE Precautions LOW Bush BlueberriesChristmas Trees Eastern USWestern US USE Precautions Christmas Trees PineappleTreatments to field edges and roadsides Apply Sugarcane Eastern US and Lake States USE Precautions SugarcaneForestry Site PreparationPlants Controlled Herbaceous PlantsWoody Plants Basal Soil Single Stem Treatments USE Precautions Site PreparationForestry Release Grid ApplicationSoil Description Lb/Acre Brush ControlledEastern US Velpar DF Crop Species Soil Description Established TreesUSE Precautions Release Grid & Single Stem Basal Soil Single Stem TreatmentRelease Herbaceous Weed Control Forestry Impregnation on DRY Bulk Fertilizer USE Precautions Impregnated Fertilizer for ForestryYellow Poplar Plantings USE Precautions ForestryUSE Precautions Yellow Poplar Plantings Pasture / RangelandSpray Equipment USE Precautions PasturePasture / Rangeland Brush Control Weeds Controlled USE RatesNON-AGRICULTURAL USE Requirements USE Precautions Pasture / RangelandNON-AGRICULTURAL Uses Noncrop Industrial Sites10 2/3 Lb/Acre Specific Weed ProblemsApplication Timing 3 6 2/3 Lb/Acre3 to 10 2/3 Lb/Acre USE Precautions Industrial Unimproved TurfNON-CROP Brush Control BroadcastUSE Precautions NON-CROP Additional USE InformationSpray Drift Management Shielded Sprayers Spray Tank Clean OUTSurface Temperature Inversions Storage and DisposalSL 1066 041706

H - 65190 specifications

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