Herbicides Flashcards

1
Q

Phenoxy Herbicides

A

Auxin Mimics - 2,4-D, mecoprop - mcpp, mcpb, MCPA, 2, 4-DB

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2
Q

Phenoxy Uses

A

Auxin Mimics - Corn, turf, sorghum

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3
Q

Benzoics Herbicide

A

Auxin Mimics - Dicamba

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4
Q

Benzoics Uses

A

Auxin Mimics - Turf, small grains

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5
Q

Benzoics Control

A

Auxin Mimics - Controls broadleaf weeds, Post-foliar uptake

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6
Q

Trifluralin

A

Mitotic inhibitor - PPI, preplant herbicide

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7
Q

Pendamethaline

A

Mitotic inhibitor - works with sweet corn, preemergent

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8
Q

Prodiamine

A

Mitotic inhibitor - nursery, preemergent

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9
Q

Ethalfluralin

A

Mitotic inhibitor - fruit orchard, watermelons, preemergent

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10
Q

Oryzalin

A

Mitotic inhibitor - peaches, apples, muscavines, preemergent

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11
Q

Dinitroanilines Crops

A

Mitotic inhibitor - Veggies, fruit, nut, small, ornamental, landscape, preemergent

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12
Q

Dinitroanilines Weeds

A

Mitotic inhibitor - SSBL/AG - small seeded broad leaves

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13
Q

Dinitroanilines Use

A

Mitotic inhibitor - Water activated, start orange/yellow, and turn milky white with water.

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14
Q

Picloram

A

Growth regulator - kill trees, broadleaf foliar applied, Chinese private, greenbriar.

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15
Q

Triclopyr

A

Growth regulator - not as hot, movement

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16
Q

Amino Pyralid

A

Growth regulator - tomatoes

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17
Q

Glyphosate/roundup

A

Amino Acid inhibitor - Shikimic acid pathway - aromatics

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18
Q

Use/application

A

Amino Acid inhibitor - PostAll weeds, annualsadd ammonia sulfate to heat it up and activate it more.Noncropland

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19
Q

glufosinate

A

Ammonia detox - noncroplandpost broadleaf onlygrasssicklepod

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20
Q

MSMA

A

ATP synthesis inhibitors

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21
Q

DSMA

A

ATP synthesis inhibitors

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22
Q

Crops

A

ATP synthesis inhibitors - bermuda turf, zoysia, cotton, golf, sod

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23
Q

Weeds/application

A

ATP synthesis inhibitors - Post Bahiagrass

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24
Q

Fluazifop

A

Lipid synthesis inhibitors

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25
Q

Diclofop

A

Lipid synthesis inhibitors

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26
Q

Crops

A

Lipid synthesis Inhibitors - Ornamentals, veggy, fruit, nut, broad leaves

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27
Q

Weeds/application

A

Lipid synthesis Inhibitors - Post emergent only grassesMainly annual grasses- Must add a crop oil concentrate

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28
Q

Paraquat Rup

A

Cell membrane disruptor

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29
Q

Diquat < hot

A

Cell membrane disruptor

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30
Q

Crops

A

Cell membrane disruptor - Noncropland

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31
Q

Use/application:

A

Cell membrane disruptor - PostBurndownGrassBroadleafNon-selective

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32
Q

S - metolachlor (duel magnum)

A

Lipid synthesis inhibitor - vegetables, tomato, sweet corn

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33
Q

Weeds/application

A

Lipid synthesis inhibitor - Annual grasses, yellow nutsedge, some broadleaf controlPreemergence only!

34
Q

Cole Crops Pre’s

A
  1. Trifluralin - PPI, for turnip greens2. Dacthal3. Deverinol
35
Q

Cole Crops Post - Turnip greens

A
  1. Sethydin2. Clethodin
36
Q

Cucurbits Pre’s

A
  1. Ethalfluralin - annual grasses, small seeded broad leaves, good on pigweed.2. Clomazone - weak on pigweed.3. Terbacil “Sinbar” - water
37
Q

Cucurbits Post

A
  1. Seth2. Cleth3. Halosulfuron - damage, pigweed, yellow nutsedge
38
Q

Clethodim (arrow)

A

Lipid synthesis Inhibitors - annual grasses and bermudagrass

39
Q

Sethoxydim

A

Lipid synthesis inhibitors

40
Q

Crops

A

Lipid synthesis Inhibitors - Ornamentals, veggy, fruit, nut, broad leaves

41
Q

Weeds

A

Lipid synthesis Inhibitors - Post emergent only grassesMainly annual grasses, bahiah grass, johnson grass

42
Q

Fruit Crops Pre

A
  1. Simazine2. Oryzalin - DNA3. Pendamethalin4. Norflurazon - good on troublesome broad leaves5. Indazaflam6. Diuron
43
Q

Fruit Crops Post

A
  1. Glyphosate2. Paraquat3. Glufosinate4. Halosulfuron5. 2,4-D
44
Q

Ocra Pre

A

Trifluralin

45
Q

Ocra Post

A

Sethoxadim add crop oil concentrate for grass control

46
Q

Peppers Pre

A
  1. Trifluraline2. Clomazone
47
Q

Peppers Post

A
  1. Sethoxydim2. Clethodim
48
Q

Flumioxizon/valor

A

Protox inhibitors - nursery crops, sweetpotatoes (pre only, no post activity) Broadleaves, particularly morning glories

49
Q

Oxyflurofen -

A

Protox inhibitors - vegetables, (some pre and post activity) Use on sicklepod, morning glory, and pigweeds

50
Q

Carfentrazone/AIM

A

Protox inhibitors - non-cropland, good on escape broadleaf weeds, not good on sicklepod

51
Q

Sulfentrazone

A

Protox inhibitors - non-croplandmainly broadleaf.

52
Q

Clomazone

A

Pigment Inhibitors - Cartenoid synthesis inhibitors (pre with continued post)

53
Q

Norflurazone

A

Pigment Inhibitors - Cartenoid synthesis inhibitors (pre with continued post) fruit, nuts (good as broadleaf pre)

54
Q

Crops

A

Pigment Inhibitors - CucurbitsSweetpotatoes

55
Q

Use/application

A

Pigment Inhibitors - annual grassesBroadleavesPre

56
Q

Small Fruits Pre

A
  1. Simazine2. Oryzalin - DNA3. Pendamethalin4. Diuron
57
Q

Small Fruits Post

A
  1. Glyphosate2. Paraquat3. Glufosinate4. Halosulfuron5. dims/fops
58
Q

Halosulfuron

A

ALS inhibitor - tomatoes, turf, cucurbits, 1 oz per acre

59
Q

Trifloxysulfuron

A

ALS inhibitor - tomatoes, low application rates 3 oz per acre

60
Q

Rimsulfuron

A

ALS inhibitor - Turf

61
Q

Application

A

ALS inhibitor - Require non-ionic surfactant- You can’t mix with insecticides, multiplies efficacy

62
Q

Weeds

A

ALS inhibitor - Pre and post - Broad leavesYellow nutsedge - post

63
Q

Sweet Corn Pre’s

A
  1. Atrazine2. S-metolachlor3. Pendamethalin4. Simazine
64
Q

Sweet Corn Post

A
  1. Atrazine - Broad leaves2. 2,4-D - Amine, Ester (higher vapor pressure and volatilizes faster)3. Halosulfuron - yellow nutsedge, little broad leaf control.4. Tembotrine “Laudis” - post annual grasses on corn5. Carfentrazon
65
Q

Sweet Potatoes Pre

A
  1. Flumioxizin - bed sweet potatoes 2-5 days before slips2. Clomazone - 5 days within transplanting.
66
Q

Sweet Potatoes Post

A
  1. Dims2. Fobs
67
Q

Tomatoes Pre

A
  1. Trifluraline2. Clomazone3. S-Metolachlor - underneath plastic4. Halosulfuron - not very good
68
Q

Tomatoes Post

A
  1. Sethoxydim2. Clethodim3. Halosulfuron - yellow nut sedge4. Trifloxysulfuron - yellow nut sedge, broadleaves
69
Q

Tomatoes Row middle only with plastic

A

Pre1. Fomesefan - yellow nut sedge, pigweed, other broadleaves

70
Q

Indazaflam

A

Cellulose Biosynthesis inhibitor - citrus, Pome, peaches, pecans, landscape, Right of way, turf

71
Q

Triazine Uses

A

Cellulose Biosynthesis inhibitor - Pre, broad leaf large seeded, some small seeded, 3 - 8 month effectiveness.

72
Q

Atrazine

A

Photosynthesis inhibitor - corn, turf - restricted use in high concentrations, high water solubility and koc

73
Q

Simazine

A

Photosynthesis inhibitor - corn, fruit, turf, ornamentals, sod

74
Q

Weeds

A

Photosynthesis inhibitor - Broadleaves and annual grasses

75
Q

Preemergent use

A

Photosynthesis inhibitor - both broadleaf and grass

76
Q

post emergent

A

Photosynthesis inhibitor - broadleaf only

77
Q

Bentazone (Basagran)

A

Unclassified Post - Broadleaf, nutsedge,turf and ornamentals.

78
Q

Vegetables Burn down

A
  1. Paraquate2. glyphosate - don’t use on plastic mulch.3. carfentrazone4. glufosinate
79
Q

Vegetables Pre’s - controls annual grasses and braodleaves

A
  1. Trifluralin - PPI incorporated2. Pendamethalin3. Clomazone - weak pigweed4. S-metolachlor - yellow nutsedge, small seeded broad leaf, annual grasses, broadleaves.
80
Q

Vegetables Post

A
  1. Clethodim2. Sethoxydim3. “Basagran, Trade Name” - fair broadleaf and nutsedge