category 6

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  1. four stages of weed development
    • seedling
    • vegetative
    • reproductive
    • maturity
  2. weeds most easily controlled in this stage why
    seedling because of thin leaf cuticle and fewer leaf hairs, roots near soil surface, kill before reproduction development
  3. annuals
    complete all 4 stages in less than a year

    control before they produce seed
  4. bienniels
    complete cycle in 2 years

    control at first year plants
  5. perennials
    all 4 stages in first  year then repeat for several years
  6. 3 types of perrenials
    • simple - don't spread unless cut into parts
    • creeping - spread by stolons
    • bulbous -
  7. stolons
    horizontal stems running on soil surface
  8. rhizomes
    underground horizontal stems
  9. perennial plants best controlled as
  10. broadleaf that doesn't produce woody tissue
  11. ferns spread by
  12. herbicides most effective when
    weed  is actively growing
  13. ideal soil moisture for herbicide
  14. most import factor affecting plant growth
    • temperature
    • growth increases 70 to80
  15. herbicides will not work if temps are
    too low or too high for plant growth
  16. foliage applied herbicide - post emergent examples
    • 2, 4 D
    • Garlon
    • Roundup
    • Krenite
    • Reward
  17. soil applied herbicide examples, pre - emergent
    • Spike
    • Karmex
    • Surflan
    • Hyvar
    • Endurance
    • Pendulum
  18. foliage or soil applied
    • Tordon
    • Arsenal
    • Oust
    • Velpar
    • Escort
    • Transline
  19. contact herbicides kill only foliage examples
    • Reward
    • Finale
  20. Selective herbicides examples grasses only
    • Fusilade
    • Poast
  21. selective herbicides ex broadleaf only
    • Garlon
    • Milestone
    • 2 4 D
    • Tordon
    • Transline
  22. non selective herbicides
    • Oust
    • Spike
    • Arsenal
    • Roundup
    • Hyvar
  23. persistent herbicides ex
    • Hyvar
    • Karmex
    • Spike
    • Oust
    • Tordon
    • Arsenal
  24. growth regulator herbicide ex
    • 2 4 D
    • Garlon
    • Transline
    • Tordol
    • Vanquish
  25. non persistent amino acid inhibitor herbicide ex
  26. persistent amino acid inhibitor herbicides ex
    • Oust
    • Escort
    • Arsenal
  27. photosynthesis inhibitor herbicides
    • Spike
    • Karmex
    • Hyvar
    • Velpar
  28. Cell membrane disruptors are non selective ex
    • Speed Zone
    • Echelon
    • Reward
    • Finale
  29. root inhibitor herbicide ex
    • Pendulum
    • Surflan
  30. Bud inhibitor herbicide ex
  31. girdling
    cutting band around entire stem to stop flow of sugar
  32. frilling
    series of overlapping, downward cuts around stem
  33. herbicide injection
    spaced cuts made around the stem into which herbicide is applied
  34. total vegetation control without soil activity
    cell membrane disruptors on annuals and non persistent amino acid inhibitors on perennials.
  35. total vegetation control with selective residual activity
    foliage applied non selective with root inhibitor
  36. right of way herbicide application treatments include 3
    • liquid broadcast applications
    • liquid directed applications
    • dry applications
  37. delivers uniform swath of herbicide spray to soil and vegetation across large area
    liquid broadcast system
  38. the spray swath by a boom sprayer is confined to __________
    area directly underneath the boom
  39. regular flat fan nozzles make this pattern
  40. regular flat fan nozzles operate at this psi
    10 - 40 psi
  41. flood nozzles deliver this pattern
    - operate at this pressure
    • wide angle fan spray pattern at 115 to 125 degrees
    • - 25 psi
  42. whirl chamber nozzles produce this pattern
    wide angle hollow cone spray at low pressures
  43. raindrop nozzles produce this pattern at what psi
    hollow cone, 20 - 40 psi
  44. nozzle often used for railroad and roadside boomless spray

    • off center nozzle
    • flat fan spray
  45. boom buster nozzle
    similar to off center but larger droplets
  46. straight stream nozzles produce this pattern
    solid stream
  47. radiarc nozzles
    straight stream nozzles aligned on single plane
  48. Directa spra
    cluster of straight stream nozzles that rotate around a center point
  49. liquid directed applications
    basal treatments, cut stump treatments, selective spray of vegetation, spot spraying
  50. directed applications are made using one of the following 3
    • handheld spray guns
    • backpack sprayers
    • trigger pumps
  51. two types of herbicide formulation applied dry
    pellets and granules
  52. ideal wind conditions for spraying
    3- 5 mph
  53. mist  lying close to the ground indicates a
    temperature inversion
  54. water soluble herbicides dispersed as droplets in oil carries called
    invert emulsions
  55. anti drift agents work by
    increasing viscosity of spray thicker, limiting formation of small droplets
  56. use caution when applying to soils
    • prone to erosion
    • saturated soils
    • clays
    • steep slopes
  57. in Indiana if a spill threatens state waterways it must be reported to
    Indiana department of environmental management
  58. indiana pesticide control laws administered by
    OISC office of indiana state chemist
  59. certification and licensing requirements for category 6 applicators are stipulated under the
    indiana pesticide use and application law
  60. businesses that apply restricted use herbicide or general use herbicide  for hire to rights of way and related sites must employ a
    certified licensed category 6 applicator
  61. certification term for category 6 is
    5 years
  62. category 6 can re cert by
    testing at end of term or accrue 15 CEU
  63. certified licensed category 6 applicators may supervise the use of restricted us herbicides or the for hire use of general use products by a non certified employee if,
    • - the certified licensed supervisor is physically on site with the non certified applicator
    • - the non certified applicator is a registered  tech, supervisor does not have to be on site
  64. certified licensed applicator may not supervise more than
  65. PPE requirements for herbicides labeled for use on rights of way and related industrial sites are typically found under what of label
    precautionary statements
  66. if no re entry statement on lablel
    wait until sprays have dried and dust have settled before entering unless wearing label PPE
  67. category 6 certified and licensed applicators must maintain records of all application involving restricted us herbicides for at least
    2 years form date of application
  68. recorded recordkeeping information shold include
    • applicators name
    • cert number
    • location and type of treatment site
    • weeds controlled
    • date of treatment
    • number of acres treated
    • chemical brand name and formulation
  69. recordkeeping, final record must be made within
    30 days of application
  70. do records need to be kept on special form
  71. records must be kept available up request of
  72. indiana allows applicators to transfer diluted or undiluted  herbicides to service containers for the purpose of
    transporting product from storage site to application site
  73. applicators must attach labeling to the service container that includes the following info 4
    • brand name
    • EPA registration number
    • name of active ingredient
    • percentage of active ingredient
  74. when transporting in service container, applicator must have in their possession
    a copy of entire product label
  75. when to clean sprayer
    as soon as practical between jobs
  76. abrasive formulations can wear nozzles are those that form
  77. a worn nozzle will have a flow rate _________ than that of a new nozzle of same size and type
  78. nozzles with flow rates in excess of ______ of that of a new nozzle should be replaced
    10 percent
  79. the most accurate way to check flow rate during calibration
    measuring each nozzles output with either a flow meter or a graduated collection container and timing device
  80. best way to protect nozzles
    matching them with adequate strainers to prevent clogging
  81. if nozzle gets clogged
    use a soft bristle to clean it never a metal object
  82. herbicide formulations that require constant agitation
    emulsions, wettable powders, liquid or dry flowables
Card Set
category 6
category 6
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