Advice

Instructions for the use of the herbicide Corsair, consumption rates and analogues

Instructions for the use of the herbicide Corsair, consumption rates and analogues


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Contact herbicides inhibit the aerial parts of weeds, so they are evenly sprayed with shoots and leaves. The substances of contact action include bentazone - the main active substance in the composition of the herbicide Corsair. The drug is used on crops of cereals, legumes, industrial, forage crops to combat weed dicotyledonous annuals.

Composition, release form and purpose of the herbicide Corsair

Corsair is an effective contact type herbicide against dicotyledonous weeds. It is used in areas planted with cereals, legumes, forage, industrial crops, copes with weeds that are resistant to MCA and chemicals based on 2,4-dichlorophenoxyacetic acid.

The active substance is bentazone. The drug is available in the form of a concentrated, water-soluble liquid, poured into 10-liter canisters. The concentration of the solution is 480 g / l. The manufacturer is the Russian company "August".

The mechanism of action of the agent

Bentazone enters plant tissues through the surface of leaves and stems. Inhibits the reactions of photosynthesis in cells. As a result, the green mass dies off.

Impact speed

Noticeable signs of dying are noted after 3-4 days. The complete extinction of weeds on the site occurs in 10-12 days.

Protective period

The treated area remains clean until the second weed wave of the season.

Main advantages and disadvantages

The herbicide Corsair is popular with farmers as it has the following benefits:

  • does not have a toxic effect on cultivated plants, regardless of weather conditions;
  • effective against almost all types of dicotyledonous weeds;
  • does not imply strict terms of application;
  • can be used on cereal crops with the inclusion of forage grasses;
  • does not cause immunity in weed species.

Farmers do not notice any particular disadvantages when using the herbicide Corsair.

Consumption rate of funds

The consumption rate is determined by which crop is being treated for weeds.

CultureRecommended consumption of funds, l / ha
Winter and spring cereals2-4
Spring cereals with clover inclusion2-4
Spring cereals with the inclusion of alfalfa2
Rice2-4
Legumes2-3
Linen2-4
Soy1-3

Rice plantation processing is carried out when the cereal produces 2 leaves, and weeds - 3-5. To prevent the herbicide solution from being washed off the surface of the leaves, before the treatment, the water level in the flood field is lowered to 1-2 cm.

2 days after spraying, the field is filled with water again as standard.

Preparation of working solution and instructions for its use

Treatment with herbicide Corsair is carried out by spraying. The optimal time for work is the appearance of 3-5 true leaves in weeds. One-time treatment is permissible during the growing season. Consumption of working solution - 200-300 liters per hectare of sown area.

The working solution is made before performing work. Before opening the canister, the concentrate is thoroughly shaken in it. The tank of the spraying device is filled with water by a quarter, the required amount of concentrate is poured into it. Stir the liquid well. During stirring, add water until the volume is filled.

Prepare the working solution on a protected site. After filling the tank, the site is cleaned.

The processing is carried out at an air temperature of 10-25 ° C and a wind speed of no more than 5 m / s. In cool and windy weather, the herbicide is less effective. Peas and some other cultivated species are more susceptible to the effects of the drug, therefore, spraying is carried out on a cloudy day at an air temperature of up to 20 ° C. You cannot use the Corsair if there is a high probability of frost at night.

Precautions

The herbicide Corsair belongs to chemicals of the 3rd hazard class for humans, that is, it is a moderately toxic substance. Therefore, it is impossible to start cultivating the cultivated area without using standard eye protection, respiratory system, and skin.

First aid to a chemical victim:

  • the substance gets on the skin - wipe it off with a piece of cloth or cotton swab, wash the body area with soapy water;
  • in the eyes - spread the eyelids with your fingers and gently rinse the eyeballs with plenty of water;
  • the herbicide is accidentally swallowed - rinse the mouth with water, provoke vomiting, then immediately take activated charcoal (1 g of the drug per 1 kg of the victim's weight), drink plenty of water.

After the first aid measures, even if the state of health is normal, you should visit a medical specialist.

For fish, the 4th hazard class is a low-hazard substance. Therefore, the herbicide can be used to treat crops in the sanitary zone of reservoirs belonging to the fish farm.

Phytotoxicity, crop tolerance

If you follow the instructions and rules for use, then phytotoxicity is excluded.

It is not necessary to process cultures that are oppressed due to pathologies, unfavorable weather conditions and other negative factors.

Possibility of emergence of resistance

The emergence of resistance to herbicide in weeds is excluded.

Is it compatible with other products?

Corsair can be combined in a tank with chemicals with neutral or alkaline composition. Mixing with preparations with acidic composition is inadmissible.

Storage conditions of the drug

The herbicide Corsair is stored in the canister in which it was purchased. For storage, a separate place is chosen where the chemical will be harmless to nature objects. The herbicide does not deteriorate at temperatures from -5 to +40 ° C. Shelf life is 3 years if the canister is not depressurized.

Are there any analogues?

The drug Corsair has analogues - contact herbicides based on bentazone:

  • Buffalo;
  • Bentogram;
  • Bentasil;
  • Granbaz;
  • Basagran;
  • Bentus.

All of these drugs are effective against dicotyledonous weeds. Well tolerated by cultivated vegetation, characterized by a wide spectrum of action, used on crops of cereals, legumes, fodder plants.


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