Herbicide Primadonna: instructions for use, composition and release form

Weed control is an indispensable element of work aimed at growing agricultural plants. Summer residents understand how difficult it is to get rid of weeds. There are many methods for eliminating weeds. One of the most effective is to spray crops with herbicides. Having become acquainted with the features of the herbicide Primadonna, you can effectively use this tool for the destruction of weeds.

Composition and form of release Primadonna

The preparation includes 200 grams per liter of 2-ethylhexyl ether, 3.7 grams per liter of florasulam. Primadonna is produced in the form of an emulsion suspension, packaged in five-liter canisters.

How does the remedy work?

Florasulam slows down the production and synthesis of amino acids in weeds. Acting inside the acetolactate synthase enzyme, it perfectly performs this task. The 2nd element - 2-ethylhexyl ether - contributes to the suppression of weed growth hormone.

Thanks to the well-coordinated work of 2 elements, the effect of using the product can be noticed after a few days. During this time, the elements of the herbicide are distributed over all parts of the grass, do not allow cells to develop in young tissues. Weeds finally die after 2-3 weeks.

Advantages and disadvantages

The benefits of the funds are as follows:

• is an effective two-element preparation that protects grain crops from various types of dicotyledonous weeds;
• high effectiveness of the product due to the synergy of 2 active elements;
• destruction of even the grass that is considered difficult to eradicate (field thistle, yellow thistle);
• possibility of use in different phases of plant development, from tillering to booting;
• quick effect;
• resistance to precipitation. Rain can weaken the effect of the drug only if it falls within an hour after spraying the crops;
• selectivity for all types of cereal crops;
• no restrictions on crop rotation;
• compatibility with insecticides and fungicides.

The only drawback of the drug is its high danger to humans and animals.

Indications for use

Prima donna should be used to control annual and perennial dicotyledonous weeds growing near cereal crops.

Impact speed

Weed grass stops growing within 24 hours after spraying. The first signs of herbicide action may be noticed after 3 days.

Weed grass is completely destroyed after a maximum of 21 days.

Calculation of consumption for different plants

Prima Donna's spending rates are as follows (values are in kilograms per hectare):

• for spring and winter wheat, barley in the tillering phase; for corn in the phase of 3-5 leaves - 0.6-0.9;
• for corn in the phase of 5-7 leaves - 0.75-0.9;
• for spring and winter wheat, barley in the booting phase - 0.9.

Instructions for use

Fill the sprayer tank halfway with water. Carefully pour the desired amount of product into the tank, stir. Rinse the canister with the remnants of the drug with water, add this water to the sprayer container.

Start spraying crops. Stir the contents of the tank from time to time. The processing of crops is required to be carried out once every 56 days.

Herbicide Safety

It is required to prepare the solution and refuel the sprayer in a fenced area. Otherwise, people around you can inhale the toxic compounds of the herbicide. It is required to spray crops strictly according to the instructions, using boom sprayers.

Compatible with other pesticides

The herbicide works well with different types of pesticides. The prima donna works especially well with the following pesticides:

• Singer;
• Express;
• Ovsyugen;
• Garnet;
• Tivitus.

Plant toxicity

The drug is toxic to dicot plants. Primadonna has no effect on cereal plants.

Possibility of resistance

Florasulam inhibits the enzyme acetolactate synthase, 2-ethylhexyl ether triggers an auxin type reaction. This dual effect of the drug reduces the chance that weeds will develop resistance to Primadonna.

Transportation and storage conditions

Storage Primadonna is required at a temperature of minus 10 to plus 35 degrees. It must be stored in a facility that is intended to accommodate various chemicals. The period during which the product can be stored is 2 years. It is necessary to transport the herbicide in polyethylene canisters with a volume of 5 or 10 liters.

Analogues

The following herbicides are considered analogues of Primadonna:

1. Assoluta. A two-element drug that allows you to destroy a wide range of dicotyledonous weeds on grain and corn crops. Especially effective against tenacious bedstraw and various types of chamomile with thistle.
2. Asterix. An effective two-element preparation that protects grain and corn from weeds. Produced by FMRus.
3. Ballerina. Systemic herbicide for the control of annual dicots. Produced by August, can be stored for 36 months.
4. Prima. Almost no different from the Prima Donna, but contains 1.5 times more active elements.
5. Prichance. It can be used to control both annual and perennial dicotyledons. Manufactured by Agro-Alliance. Represents an average danger to humans. Hazard class for bees - 3 (small danger).

Prima Donna is the best remedy for those who want to protect their grain crops from weeds. The herbicide works as quickly as possible, but is quite toxic to humans, so be sure to use protective equipment.

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