Characteristics of each chemical group differs from each other so it is important to know to what group a herbicide belongs before applying it to a plant. Active ingredient will also provide an indication of lead time before a crop can he safely harvested. There are so many ways of classifying herbicides that we decided only to use groups and active ingredients. Herbicides can also be classified according to:
- Application to crops
- Danger groups or hazard classification: Ia, Ib, II, III & IV
- Formulation type
- Time of application
- Waiting period
For a complete guide to the use of herbicides in South Africa please contact:
The Directorate: Food Safety & Quality Assurance
Department of Agriculture
Directorate Agricultural Information Services
Private Bag X144
012 319 7141
Group | Active ingredient |
---|---|
Acetanilides | dimethanamid |
Amides | propyzamide |
Aryloxyalkanoic acids | 2,4-D |
Aryloxyalkanoic acids | 2,4-DB |
Aryloxyalkanoic acids | fluroxypyr |
Aryloxyalkanoic acids | MCPA |
Aryloxyalkanoic acids | MCPB |
Aryloxyalkanoic acids | Triclopyr |
Aryloxyphenoxy propionic acids | clodinafop |
Aryloxyphenoxy propionic acids | diclofop |
Aryloxyphenoxy propionic acids | fenoxaprop-P |
Aryloxyphenoxy propionic acids | fluazifop-P |
Aryloxyphenoxy propionic acids | haloxyfop |
Aryloxyphenoxy propionic acids | propaquizafop |
Aryloxyphenoxy propionic acids | quizalofop-P |
Benzoic acids | chlorthal |
Benzoic acids | dicamba |
Bipyridyliums | diquat |
Bipyridyliums | paraquat |
Chloroacetanilides | acetochlor |
Chloroacetanilides | alachlor |
metolachlor | metolachlor |
metolachlor | propachlor |
Cyclohexanedione | cycloxydim |
Cyclohexanedione | tralkoxydim |
Dinitroanalines | benfluralin |
Dinitroanalines | oryzalin |
Dinitroanalines | pendimethalin |
Dinitroanalines | trifluralin |
Diphenyl ethers | bifenox |
Diphenyl ethers | fluroglycofen |
Diphenyl ethers | fomesafen |
Diphenyl ethers | oxyfluorfen |
Fungus | Cylindrobasidium laeve |
Hydroxybenzonitriles | bromoxynil |
Hydroxybenzonitriles | ioxynil |
Imidazolinones | imazamehtabenz |
Imidazolinones | imazamox |
Imidazolinones | imazapyr |
Imidazolinones | imazethapyr |
Methyl isothiocyanate precursors | dazomet |
Methyl isothiocyanate precursors | metam |
Organoarsenic compounds | MSMA |
Phthalimide | flumioxazin |
Pyridazinones | chloridazon |
Pyridazinones | norflurazon |
Pyridinecarbolic acids | clopyralid |
Pyridinecarbolic acids | picloram |
Pyridinecarbolic acids | thiazopyr |
4-Pyridone | fluridone |
Sulfonylureas | chlorimuron |
Sulfonylureas | chlorsulfuron |
Sulfonylureas | ethoxsulfuron |
Sulfonylureas | flazasulfuron |
Sulfonylureas | halosulfuron |
Sulfonylureas | metsulfuron |
Sulfonylureas | nicosulfuron |
Sulfonylureas | prosulfuron |
Sulfonylureas | rimsulfuron |
Sulfonylureas | sulfosulfuron |
Sulfonylureas | thifensulfuron |
Sulfonylureas | triasulfuron |
Sulfonylureas | tribenuron |
Thiocarbamates | EPTC |
Thiocarbamates | pebulate |
Triazines | ametryn |
Triazines | atrazine |
Triazines | cyanazine |
Triazines | hexazinone |
Triazines | prometryn |
Triazines | propazine |
Triazines | simazine |
Triazines | terbuthylazine |
Triazines | terbutryn |
Triazinone | metribuzin |
Triazole | amitrole |
Triazolopyrimidine sulfonanilide | flumetsulam |
Triazolopyrimidine sulfonanilide | metosulam |
Uracils | bromocil |
Uracils | terbacil |
Urea compounds | diuron |
Urea compounds | ethidimuron |
Urea compounds | fluometuron |
Urea compounds | linuron |
Urea compounds | tebuthiuron |
Unclassified compounds | bendioxide |
Unclassified compounds | carfentrazone-ethyl |
Unclassified compounds | clomazone |
Unclassified compounds | diflufenican |
Unclassified compounds | flurochloridone |
Unclassified compounds | glufosinate-ammonium |
Unclassified compounds | glyphosate |
Unclassified compounds | glyphosate trimesium |
Unclassified compounds | oxadiazon |
Unclassified compounds | proprop |
Unclassified compounds | sulcotrione |
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