The library · Herbicide
Diquat
A pure contact desiccant. Used pre-harvest to dry down crops and green weeds.
- Group
- Herbicide Group 22
- Family
- Bipyridyliums
- Formula
- C12H12N2+2
- Molar mass
- 184.24 g/mol
Structure: PubChem CID 6795
How it kills
Photosystem I electron diverters
Steals electrons at photosystem I and creates compounds that destroy cell membranes.
Leaves and stems dry down very quickly in sunlight.
Works where the droplet hits, with little or no movement through the plant. Coverage decides how well it works.
Where it fits
In the season.
Commonly used on
- Dry-down
- Canola
- Pulses
Good to know
- Coverage and water volume matter, and it needs a surfactant.
- It does not kill perennials, because it does not move to the roots.
- Crop stage and timing are critical. Check the label.
- A true contact product. It does not move to the roots, so it will not kill perennials.
On Dean's list
Products with Diquat.
| Product | Similar to | Strength |
|---|---|---|
| Diquat | Reglone® | Diquat dibromide |