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Flashcards in MOA's Deck (38)
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1

Group 1

ACCase Inhibitors (Fops and Dims)
Mostly used for grass control
Inhibits the ACCase enzyme in the plant

2

Group 2

ALS Inhibitors
Branch Chain Amino Acid (BCAA) Inhibitor
Cross resistance is common within this group

3

Group 3

Root Growth Inhibitor
Applied pre-plant or pre-emergence to control grasses and small-seeded broadleaf weeds.
Inhibit cell division which stops roots from extending
Are yellow in color

4

Group 4

Growth Regulators
Also known as synthetic auxins
Generally selective for broadleaf weed control in grass crops.
Ex. 2,4-D, Dicamba, MCPA, MCPB

5

Groups 5,6,7

Photosynthesis Inhibitors -Photosystem II
Used to control grass and broadleaf weeds.
Inhibit Photosystem II which is a part of the photosynthesis pathway

6

Groups 8 and 15

Shoot Growth Inhibitors
Generally control grass weeds and small-seeded broadleaf weeds.
Soil-applied herbicides and control weeds that have not emerged from the soil surface.

7

Group 9

Aromatic Amino Acid Inhibitors
Only herbicide in this class is Glyphosate.
Non-selective herbicide (kills grass and broadleaves)

8

Group 10

Glutamine Synthesis Inhibitors
Only herbicide in this class is glufosinate.
Non-selective burndown treatment

9

Groups 13 and 27

Pigment Synthesis Inhibitors
Prevent chlorphyll production thus giving plants a “bleached” appearance.
Also referred to as HPPD-inhibitors

10

Group 14

Cell Membrane Inhibitor
Destroy cell membranes.
Activity is delayed in the absence of light.
Also referred to as PPO-inhibitors.
Known as “burner”-type herbicides.

11

Group 22

Photosynthesis Inhibitors—Photosystem I
Cell membrane disruptors.
Non-selective weed control and crop desiccation prior to harvest.

12

Dimension : Active and MOA and Group

Dithiopyr - Pre-Emergent with some post-emergent activity on crabgrass at 5 leaf stage - Group 3

13

Specticle : Active and MOA and Group

Indaziflam - Pre-Emergent - Group 29

14

Gallery : Active and MOA and Group

Isoxaben - Pre-Emergent for broadleaf weeds - Group 21

15

Tenacity : Active and MOA and Group

Mesotrione - Pre and Post emergent activity. Can apply at seeding. Group 27

16

Surflan : Active and MOA and Group

Oryzalin - Pre-emergent - Group 3

17

Pendulum - Active and MOA and Group

Pendimethalin - Pre-emergent - Group 3

18

Barricade - Active and MOA and Group

Prodiamine - Pre-emergent - Group ?

19

Dismiss - Active and MOA and Group

Sulfentrazone - Pre and Post-Emergent - Group 14

20

Quicksilver T&O - Active and MOA and Group

Carfentrazone - Post-Emergent - Group 14

21

Lontrel - Active and MOA and Group

Clopyralid - Post-Emergent - Group 4 (works on hard to kill thistle and clover)

22

Banvel - Active and MOA and Group

Dicamba - Post-emergent - Group 4

23

Fluroxypyr - When, MOA, Group, Other

Post-Emergent, Translocated through Plant, Group 4, avoid shallow tree or shrub roots.

24

MCPA - When, MOA, Group, Other

Post-emergent Broadleaf, Translocated through plant, Group 4

25

Drive - Active and MOA and Group

Quinclorac - Post-emergent - Group 26

26

Turflon Ester - Active and MOA and Group

Triclopyr - Post-emergent - Group 4

27

Trimec - Active and MOA and Group

2,4-D, MCPP, Dicamba - Post emergent - Groups 4,4,4

28

Dithiopyr - When, MOA, Group, Common Name

Pre-emergent, ??, Group 3, Dimension

29

Indaziflam - When, MOA, Group, Common Name

Pre-emergent, ?? , Group 29, Specticle

30

Isoxaben - When, MOA, Group, Common Name

Pre-emergent, ??, Group 21, Gallery