CCA Exam Part II

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    • Barnyardgrass
    • panicle/spike, chickenfoot seed head
    • No ligual no aurile, no hairs
    • summer annual
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    barnyardgrass seed
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    • Crabgrass
    • memberous ligual
    • no aricles
    • mostly annual
    • panicle head
    • seed: 2.4 mm long grass like
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    • Fall Panicum
    • fibrious ligual, no aricles
    • annual
    • smooth swollen nodes
    • basal against the ground
    • lance shaped leaf blades
    • panicale
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    fall panicum seed
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    liguale = row of short hair
    ariclues = none
    fine hairs on upper side of leaf
    • giant foxtail
    • summer annual
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    Giant foxtail seed
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    Slender seedlings
    hairy ligual and sheath
    upper leaf surface is smooth
    little spike
    • Green Foxtail
    • Summer annual
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    Green foxtail seeds
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    Spike
    • Yellow foxtail
    • Annual
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    Yellow foxtail seeds
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    rhizoms
    membranous ligual
    • Johnsongrass
    • Perenial
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    Johnsongrass Seed
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    membranous ligual
    aricles
    rhizoms
    • Quack grass
    • perenial
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    Quackgrass seed
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    no aricles
    No rhizohums
    • shatter cane
    • summer annual
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    short ligual
    • Wooly Cupgrass
    • summer annual
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    • Yellow nutsedge seed
    • perennial
    • also repro by tubers
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    • field bind weed
    • perennial
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    Field bind weed seed
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    • Burcucumber
    • summer annual
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    • Canada thistle seed
    • perennial
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    • Common chickweed seed
    • Winter annual
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    • Cocklebur
    • summer annual
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    • Milk weed
    • perennial
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    • Common Ragweed seed
    • Summer Annual
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    • Giant ragweed
    • summer annual
  28. Dandelion
    perennial
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    • Eastern black nightshade
    • summer annual
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    • hemp dogbane
    • perennial
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    • henbit
    • winter annual
  32. marestail
    summer annual or biennial broadleaf plant.
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    • jimsonweed
    • summer annual
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    • Kochia
    • summer annual
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    • Lambsquarter
    • Summer annual
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    • Morningglories
    • summer annual / perennial
  37. Palmer Ameranth
    Summer annual
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    • Poison Hemlock
    • Biennial
  39. Pokeberry / pokeweed
    Annual
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    • purple deadnettle
    • annual/biennial
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    • smartweed
    • summer annual
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    • summer annual
    • velvet leaf
  43. water hemp
    • summer annual
    • looks like pigweed with oblong leaves
  44. Wild carrot
    biennial
  45. wild mustard
    winter annual
  46. Wild onion
    perennial
  47. effects of herbicde group 5, 6, and 7 on corn and beans
    • photosystem II inhibitors
    • necrotic and rolling edges
    • beans will drop leaves
    • systemic
  48. effects of herbicde group 3 and 15 on corn and beans
    • seeding root and shoot inhibitors
    • root= stunting and discoloration, roots are prunned clubbed or calused
    • shoot = heart shaped leaves or buggy whipped
  49. effects of herbicde group 4 on corn and beans
    • synthetic auxins
    • cupping / twisting
    • like 2,4-d
  50. effects of herbicde group 14 and 22 on corn and beans
    • membrane disrupters and photosystem I inhibitors
    • splotchy leaf burn
  51. effects of herbicde group 27 and 28 on corn and beans
    • pigment inhibitors
    • white
    • command/balance
  52. effects of herbicde group 1 on corn and beans
    • grass growning point disintegrates
    • doesn't affect broadleaves
  53. effects of herbicde group 2 and 9 on corn and beans
    • Ammino acid sythesis inhibitor
    • purple soybean veins
    • bottle brush corn roots
    • Corn: node stacking, rippleing and chlorosis
  54. effects of herbicde group 10 on corn and beans
    • Nitrogen metabolism inhibitors
    • necrotic (old leaves), pale green (new leaves), spots where herbicide hit
  55. R1 in Corn
    Silk
  56. R2 in Corn
    blister
  57. R3 in Corn
    Milk
  58. R4 in Corn
    Dough
  59. R5 in Corn
    Dent
  60. R6 in Corn
    Black layer
  61. VC in beans
    unrolled unifoliates
  62. V1 in beans
    first trifoliate
  63. R1 in beans
    • beginning flowering
    • one open flower at any node on the main stem
  64. R2 in beans
    • Full flowering
    • open flower at one of the two¬† uppermost nodes on the main stem with a fully developed trioliolate leaf node
  65. R3 in beans
    • Beginning pod
    • pod is 3/16 inch long on one of four uppermost nodes
  66. R4 in beans
    • Full pod
    • pod is 3/4 inch long on one of four uppermost nodes on the main stem
  67. R5 in beans
    • Beginning seed
    • seed is 3mm long in the pod at one of the four uppermost nodes
  68. R6 in soybeans
    • Full seed
    • pod containing green seed that fills the pod cavity at one of the four uppermost nodes
  69. R7
    • Beginning maturity
    • one normal pod on the main stem that has reached its mature pod color (brown or tan)
  70. R8
    • Full Maturity
    • 95% of pods are tan or brown
    • need 5-10 drying days before harvest at 15% moisture
  71. Feeke's 1
    emergence
  72. Feeke's 2 and 3
    tillering
  73. Feeke's 4 and 5
    Green up
  74. Feeke's 6
    • jointing
    • first node visible at the base of the shoot
  75. Feeke's 10
    • the boot stage
    • when you can see the head develop just below the flag leaf
  76. Feeke's 8
    Flag leaf emergence
  77. Feeke's 10.5.1
    beginning flowering
  78. Feeke's 10.5.3
    flowering ends
  79. Feeke's 11.3
    kernals harden
  80. Feekes 11.4
    maturatiy
  81. Carbon
    CO2
  82. Hydrogen
    H20
  83. Oxygen
    CO2 H20 O2
  84. Nitrogen
    NO3- NH4+
  85. Phosphourus
    H2PO4- HPO42-
  86. Sulfur
    SO42-
  87. Molybdenum
    MoO4-
  88. Boron
    H3BO3 H2BO3-
  89. Potassium
    K+
  90. Calcium
    Ca2+
  91. Magnesium
    Mg2+
  92. Iron
    Fe2+ Fe3+
  93. Manganese
    Mn2+
  94. Copper
    Cu2+
  95. Zinc
    Zn2+
  96. Nicole
    Ni2+
Author:
MRK
ID:
293518
Card Set:
CCA Exam Part II
Updated:
2015-01-29 15:57:59
Tags:
weeds herbicide injury stages fertility
Folders:

Description:
weeds soil fertility
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