Product Name

Phenmedipham

CAS No

40487-42-1

Appearance

white powder or liquid

Formulations

30%EC, 330g/l EC

Target crops

It is mainly used to control annual gramineous weeds in wheat field. The results of indoor activity test and field efficacy test
show that it has good control effect on annual gramineous weeds such as Avena, Setaria Setaria and barnyard grass in barley field.

Use

Control of most annual grasses and many annual broad-leaved weeds, at 0.6-2.4 kg/ha, in cereals, onions, leeks, garlic, fennel,
maize, sorghum, rice, soya beans, peanuts, brassicas, carrots, celery, black salsify, peas, field beans, lupins, evening primrose,
tulips, potatoes, cotton, hops, pome fruit, stone fruit, berry fruit (including strawberries), citrus fruit, lettuce, aubergines,
capsicums, established turf, and in transplanted tomatoes, sunflowers, and tobacco. Applied pre-plant incorporated, pre-emergence,
pre-transplanting, or early post-emergence. Also used for control of suckers in tobacco.

Mode of action

Selective herbicide, absorbed by the roots and leaves. Affected plants die shortly after germination or following emergence from
the soil.

Toxicity

Oral: Acute oral LD50 for rats >10 250, mice >5000 mg/kg.
Skin and eye: Acute percutaneous LD50 for rabbits >4000 mg/kg. Not a skin sensitiser.
Inhalation: LC50 (4 h) for rats >7.4 mg/l.