Instructions for the use of herbicide Primadonna

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 herbicide preparations. Having familiarized yourself with the features of the herbicide Prima Donna, you can effectively use this tool to destroy weeds.

The composition and form of release of the Prima Donna

The formulation contains 200 grams per liter of 2-ethylhexyl ether, 3.7 grams per liter of florasulam. Prima Donna 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 fulfills this task. 2nd element - 2-ethylhexyl ether - helps to suppress weed growth hormone.

Thanks to the well-coordinated work of 2 elements, the effect of the use of the product can be noticed already after a few days. During this time, the elements of the herbicide are distributed throughout all parts of the grass, preventing cells from developing in young tissues. Weeds finally die after 2-3 weeks.

Advantages and disadvantages

The advantages of the tool are as follows:

• is an effective two-element drug that protects cereal crops from various types of dicotyledonous weeds;
• high efficiency 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 sow thistle);
• the ability to use in different phases of plant development, from tillering and ending with going into the tube;
• fast 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 cereals;
• no restrictions on crop rotation;
• compatibility with insecticidal and fungicidal agents.

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

Indications for use

The prima donna should be used to combat one- and perennial dicotyledonous weeds that grow near crops of grain plants.

Impact speed

The weed stops growing within 24 hours after spraying. The first signs of herbicide action can be seen after 3 days.

Weeds are completely destroyed after a maximum of 21 days.

Calculation of consumption for different plants

The rates for the Prima Donna are as follows (values ​​are indicated 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 stemming phase - 0.9.

Instructions for use

Fill the sprayer tank halfway with water. Gently pour the required amount of the product into the tank, stir. Rinse the canister with the remains 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. Crop processing is required every 56 days.

Herbicide safety

It is required to prepare the solution and fill the sprayer in a fenced area. Otherwise, others may inhale toxic compounds of the herbicide. It is required to spray crops strictly according to the instructions, using boom sprayers.

Compatibility with other pesticides

The herbicide works well with different types of pesticide products. The prima donna interacts especially well with such pesticides:

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

Plant toxicity

The drug is toxic to dicotyledonous plants. The prima donna does not affect grain plants.

Possibility of emergence of resistance

Florasulam inhibits the enzyme acetolactate synthase, 2-ethylhexyl ether triggers an auxin-type reaction. This double effect of the drug reduces the likelihood that the weed will develop resistance to the prima donna.

Take a look also

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

Transportation and storage conditions

Store Prima Donna is required at temperatures from minus 10 to plus 35 degrees. It must be stored in a structure that is designed 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.

Analogs

The following herbicides are considered analogs of the Prima Donna:

1. Assolut. A two-element preparation that allows you to destroy a wide range of dicotyledonous weeds on grain and corn crops. It is especially effective against the tenacious bedstraw and various types of chamomile with thistle.
2. Astarix. An effective two-element preparation that protects grain and corn from weeds. Manufactured by FMRus.
3. Ballerina. Systemic herbicide for the control of annual dicotyledons. Produced by August, can be stored for 36 months.
4. Prima. Practically no different from the Prima Donna, however, it contains 1.5 times more active elements.
5. Prishans. It can be used to combat both annual and perennial dicotyledonous grass. Manufactured by Agro-Alliance. It represents an average danger to humans. Hazard class for bees - 3 (low hazard).

The prima donna is the best remedy for those who want to protect their grain crops from weeds. The herbicide acts as quickly as possible, but it is quite toxic to humans, so do not forget to use protective equipment.