Classification of herbicide
- Based on time of application :
- Pre-plant : Glyphosphate , Paraquat.
- Pre-emergence : Butachlor , Pendimethylin , Pretilachlor
- Post- emergence : Bispyribae sodium , 2,4-D.
- Based on selectivity :
- Selective : Pre-emergence , Post-emergence herbicides.
- Non-selective : Pre-plant herbicides.
- Based on translocation :
- Contact : Paraquat.
- Systemic : Glycophosphate , Bispyribae sodium.
- Method of application :
- Soil applied : Pre-emergence herbicides.
- Foliar applied : Preplant and post emergence herbicides.