Swinconos and Bridges Herbicides NXPowerLite

							Herbicides For Tree Plantings
 Presented By :

 Steven Swinconos – Iowa DNR District
 Forester

 David Bridges – Iowa DNR District
 Forester



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Introduction
   Topic will include safety, equipment, and
    products to use.

   By the end of the session you should have
    a basic understanding of the proper types
    of herbicides to use too safely enhance the
    growth and survival of your tree planting.


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Agenda
   Safety

   Equipment

   Products(herbicides)



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Why We Use Herbicides
 Increase the growth and vigor of our trees
 Protect the trees from smothering or
  shading by over topping vegetation
 Promote growth to get trees above the deer
  browse
 Cheap and easy to do




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Herbicide safety
 Labels
 Licensing
 Safety Equipment




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Herbicide Product Label




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Precautionary Hazard Statement




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Mixing Directions




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Pesticide Applicator License




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         Safety Equipment
 Hat
 Long Sleeve Shirt
 Long Pants
 Chemical Gloves
 Rubber Boots
 Chemical Goggles



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Application Equipment
 Hand Sprayers
 Backpack Sprayers
 Ground or Four Wheeler Sprayers




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Hand Spray Equipment




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Back Pack Sprayer




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Ground Sprayer




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Spray Boom




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Calibrating Your Sprayer
 Know Your Sprayer Rate!
 University Extension has handbooks for
  calibrating sprayers




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Products to Use
 Site Preparation Herbicides
 Pre-Emergent Herbicides
 Post-Emergent Herbicides




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    Site Preparation Herbicide
   GLYPHOSATE
   TRADE NAME(S): Roundup,
    Kleenup, Glyphosate, and others
   MANUFACTURER(S): Monsanto Co.,
    Dow and others
   REMARKS: A nonselective
    translocated herbicide with no
    apparent soil activity. Rain within 6
    hours after application may reduce
    effectiveness. Glyphosate
    translocates to roots and rhizomes
    of perennial weeds. Complete
    control may require retreatment.
    Low-volume applications are most
    effective.
   STORAGE CONDITIONS: Store
    between -20° and 120°F.
   ACTION IN PLANT: Inhibits three
    amino acids and protein synthesis.

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Site Preparation Herbicide
                 SULFOMETURON
                 TRADE NAME(S): Oust
                 MANUFACTURER(S): DuPont,
                  Nufarm
                 FORMULATION(S): 75% dispersible
                  granules
                 REMARKS: Broad-spectrum
                  herbicide with preemergence and
                  postemergence activity for
                  noncropland and forestry use.
                 STORAGE CONDITIONS: Stable.
                 ACTION IN PLANT: Interferes with
                  an enzyme, rapidly stopping cell
                  division.




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    Pre-Emergent Herbicides
   SIMAZINE
   TRADE NAME(S): Princep,
    Simazine
   MANUFACTURER(S): Syngenta
   FORMULATION(S): 80% wettable
    powder, 4 lb/gal flowable liquid,
    and 90% water-dispersible
    granules
   REMARKS: A triazine herbicide
    used selectively or as a complete
    vegetation killer. Requires
    considerable moisture to activate
    in soil. Shows long residual
    action.
   STORAGE CONDITIONS: Stable.
   ACTION IN PLANT: Inhibits
    photosynthesis.
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       Pre-Emergent Herbicides
   PENDIMETHALIN
   TRADE NAME(S): Pendulum, Pentagon,
    Prowl, Stomp Repose, Hurdle, Prowl H 2
    O, Stealth, Pendant
   MANUFACTURER(S): BASF, Olympic
    Horticultural
   FORMULATION(S): 3.3, 3.8, and 4 lb/gal
    emulsifiable concentrate; 60% water-
    dispersible granules
   REMARKS: Depending on the crop, this
    is a selective, preplant, preemergence,
    and early postemergence herbicide that
    is used to control annual broadleaf and


    grass weeds.
    STORAGE CONDITIONS: Store above
    40°F. If frozen, redissolve at warm
                                              Pendulum
    temperatures. Avoid flame and
    temperatures above 92°F.
   ACTION IN PLANT: Inhibits mitosis in
    roots and shoots.
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Post-Emergent Herbicides
   CLOPYRALID
   TRADE NAME(S):
    Stinger,Transline
   MANUFACTURER(S): Dow
    AgroSciences
                                   Transline
   FORMULATION(S): 3 lb/gal


    soluble concentrate
    REMARKS: A highly
    translocated, selective
                                   Stringer
    herbicide active primarily
    through foliage of broadleaf
    herbaceous weeds.
   STORAGE CONDITIONS:
    Store above 28°F or warm to
    40°F and agitate before use.

   ACTION IN PLANT: Mimics
    natural plant hormones.
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    Post-Emergent Herbicides
            Goal                              Fusilade
   TRADE NAME(S): Goal                 TRADE NAME(S): Fusilade DX
                                        MANUFACTURER(S):
   MANUFACTURER(S): Dow                 Syngenta
    AgroSciences,
                                        FORMULATION(S): 2 lb/gal
   REMARKS: Selective                   emulsifiable concentrate
    preemergence and                    REMARKS: A selective,
    postemergence control for            postemergence grass
    grass and broadleaf weeds. A         herbicide that controls most
    contact herbicide; requires          annual and perennial grasses
    light for herbicidal activity.       except annual bluegrass and
                                         all fine fescues. Using a
   STORAGE CONDITIONS:                  nonionic surfactant or crop oil
    Store above freezing.                concentrate enhances activity.
   ACTION IN PLANT: Acts as a          STORAGE CONDITIONS: Store
    contact-type herbicide.              at moderate temperatures.
                                        ACTION IN PLANT: Inhibits 26
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Questions???????



      Questions???????



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Where to Get More Information
 Other training sessions
 List books, articles, electronic sources
 Consulting services, other sources




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