Table 8.6. Herbicide mode of action/site of
action and chemical families for site of action GROUPS.
|
|
Site of Action
GROUP
|
Mode of Action - Site of Action
|
Chemical Families
|
|
1
|
Lipid synthesis inhibitors - ACCase Inhibitors
|
Aryloxyphenoxy propionate
Cyclohexanedione
|
|
2
|
Amino acid synthesis inhibitors - ALS inhibitors
|
Imidazolinone
Sulfonylurea
Triazolopyrimadine
|
|
3
|
Seedling root inhibitors - Microtubule assembly
inhibitors
|
Dinitoaniline
|
|
4
|
Growth regulators - Synthetic auxins
|
Phenoxy
Benzoic acid
Carboxylic acid
|
|
5
|
Mobile photosynthesis inhibitors - Photosystem II site
A
|
Triazine
Triazinone
Uracil
|
|
6
|
Non-mobile photosynthesis inhibitors - Photosystem II
site B
|
Benzothiadiazole
Nitrile
|
|
7
|
Mobile photosynthesis inhibitors
- Photosystem II site A
(different binding than 5)
|
Urea
|
|
8
|
Lipid synthesis inhibitors – not ACCase inhibitors
|
Thiocarbamate
|
|
9
|
Amino acid synthesis inhibitors – EPSP inhibitors
|
Glycine
|
|
10
|
Glutamine synthetase inhibitor
|
None
|
|
14
|
Cell membrane disrupters – PPO inhibitors
|
Diphenylether
N-phenylphthalimide
Triazinone
|
|
15
|
Seedling shoot inhibitors - inhibit synthesis of
long-chain fatty acids
|
Chloroacetamides
|
|
22
|
Cell membrane disrupters – Photosystem I electron
diverters
|
Bipyridilium
|
|
27
|
Pigment inhibitors – 4-HPPD inhibitors
|
Pyrazole
Triketone
|