Active ingredient
|
Diquat dibromide
|
||
Classification
|
Herbicide / Agrochemical
|
||
Formulation
|
40%Tech, 10%SL, 15%SL, 20%SL
|
||
Biochemistry
|
During photosynthesis, superoxide is generated, which damages cell membranes and cytoplasm.
|
||
Mode of action
|
Non-selective contact herbicide and desiccant, absorbed by the foliage, with some translocation in the xylem.
|
||
Usage
|
Pre-harvest desiccation of cotton, flax, alfalfa, clover, lupins, oilseed rape, poppies, soya beans, peas, beans, sunflowers, cereals, maize, rice, sugar beet, and other seed crops; destruction of potato haulms; and stripping of hops. Control of annual broad-leaved weeds in vines, pome fruit, stone fruit, bush fruit, strawberries (also control of runners), citrus fruit, olives, hops, vegetables, ornamental plants and shrubs, and other crops. Control of emergent and submerged aquatic weeds. Weed control on non-crop land. Weed control and tassel inhibition in sugar cane. Application rates 400-1000 g/ha.
|
||
Mammalian
Toxicology |
Oral: Acute oral LD50 for rats 408, mice 234 mg/kg.
Skin and eye: Acute percutaneous LD50 for rats >793 mg/kg. Irritating to skin and eyes (rabbits). Absorption through intact human skin is minimal; exposure can cause irritation and a delay in the healing of cuts and wounds. Can cause temporary damage to nails. Inhalation: Extreme exposure to spray droplets may cause nose bleeding. |