Description
Mode of action
Pinoxaden belongs to the chemical class of phenylpyrazolines. It is a selective systemic herbicide that is efficiently absorbed by the aerial organs of weed plants after spraying.
The active ingredient inhibits the enzyme acetyl-CoA carboxylase (ACCase), which plays a crucial role in fatty acid synthesis. Blocking this enzyme leads to an immediate cessation of weed growth.
In the cells of sensitive plants, lipid synthesis stops, which destroys the integrity of the membranes. As a result, metabolic processes come to a halt, leading to the inevitable death of the weed.
The product demonstrates high speed of action, allowing weed competition for light, water, and nutrients with the crop to stop almost immediately after application.
This substance exhibits excellent selectivity towards wheat and other cereal crops, which is due to their ability to rapidly metabolize pinoxaden into non-toxic compounds.
What it targets
Pinoxaden is used exclusively for controlling annual grass weeds in agricultural crops.
The spectrum of action includes hard-to-control species such as wild oat (Avena fatua), various species of foxtail (Setaria spp.), barnyard grass, and black-grass.
The product is effective against weeds at early growth stages, ensuring clean fields during the critical vegetation period of cereals.
It does not exhibit herbicidal activity against broad-leaved weed species, which is why it is often combined in tank mixes with herbicides against broad-leaved plants.
The use of this product allows for a significant reduction in field weed infestation and increases crop yield by relieving stress on cultivated plants.
Rates and timing
The application rate of the product is determined by the type of formulation (concentration of the active ingredient) and the specific weed composition in a given field.
The optimal application time is during the period of active weed growth, typically from the two-leaf stage to the end of tillering, when weeds are most vulnerable.
For maximum biological efficiency, it is recommended to perform the treatment at air temperatures between +5°C and +25°C, provided there is sufficient soil moisture.
The working solution must be evenly distributed across the field using a calibrated sprayer to ensure complete coverage of the weeds.
Pre-harvest intervals and the maximum number of applications are strictly regulated by the instructions for each specific product containing pinoxaden.
Restrictions
It is not recommended to apply pinoxaden to crops that are under stress due to drought, frost, or pest damage.
It is critical to avoid spray drift onto neighboring fields sown with sensitive grass crops, such as barley, unless the product is labeled for such use.
When working with the substance, it is necessary to use personal protective equipment to prevent the concentrate from coming into contact with skin, mucous membranes, or respiratory tracts.
After using the product, spraying equipment must be thoroughly cleaned in accordance with environmental safety regulations.
Products based on pinoxaden should be stored in dry, cool warehouse facilities out of the reach of children and pets, and away from food products.