Herbicide "Lontrel Grand": method of application and consumption rates

For several decades, along with mechanical weed control, chemical preparations, such as herbicides, have been used in the fields and gardens.

Among them, one of the most popular is the Lontrel Grand herbicide.

Composition, release form, packaging

"Lontrel Grand" - a herbicide of selective (selective) action. Its composition is as the main substance. clopyralid 75% in the form of potassium salt. The drug is produced in packs of 2 kg. Vacuum aluminum foil packaging. Also in specialized stores and on the market you can buy ready-made water concentrate. The volume is different - from 1.5 ml vials to 5 l cans.

Also popular is the drug "Lontrel 300", which is characterized by a lower content of the active substance.

Drug benefits

The quality of the herbicide "Lontrel Grand" is appreciated worldwide by agricultural technicians, because The drug has several advantages:

  • selectivity of action (the planted crop is unharmed - weeds die);
  • all parts of weed shoots die: flowers, stems, leaves, root;
  • begins to act after 12 hours;
  • very economical to use;
  • requires one-time processing, with rare exceptions;
  • does not require special conditions of storage and transportation;
  • can be used with other types of herbicides;
  • weeds can not adapt to the drug (no resistance);
  • not dangerous to humans, animals, fish, bees, burrow animals, etc .;
  • safe for the environment, etc.

For the destruction of weeds are also used such drugs: "Puma Super", "Dual Gold", "Caribou", "Doublon Gold", "EuroLighting", "Galera", "Harmony", "Estheron", "Agritox", "Axial" , "Lancelot", "Dialen Super", "Pivot", "Prima", "Gezagard", "Stomp", "Titus".

Mechanism of action

Herbicide "Lontrel Grand" is intended to combat certain types of weeds: thistle and all its species, creeping gorchak, chamomile, dandelion, buckwheat, convolvulidae, etc. By type it is perennial weedy weeds, annual dicots. Effective during the period of active growth of exterminated plants. When sprayed, the drug penetrates into all parts of the plant, blocks growth points and causes necrosis. The plant begins to dry from the leaves, then the stem dies, and later the root. There are no points of growth. The first signs of weed death appear in 12-15 hours, complete lodging - in a couple of weeks.

Did you know? "Lemon ants" - a natural herbicide. They in the Amazonian forests kill all greens, except for foolish, squirting formic acid into the leaves. As a result, so-called "devil's gardens" are formed - areas where only fool grows and nothing more.

How to prepare a working solution

The treatment liquid is prepared directly in the spray tank. Half of the estimated fluid is poured into the tank. The necessary amount of the drug is filled up and mixed well. Fill up with water to the desired volume.

Important! Prepare the working solution immediately before use.
The solution can be used within 4-5 hours after dilution. Further, it becomes unusable.

When and how to process

Processing should be carried out then when the weeds go into active growth, reached a height of 10-12 cm. Mandatory before use weather monitoring. If it is predicted to freeze, rain, strong wind, processing should be postponed until more favorable conditions.

Spray crops in the morning or evening, at a wind speed of not more than 4-5 m / s. If there are a lot of weeds, then the concentration of the solution can be increased to the specified maximum limit.

Treat the areas with a slit sprayer with medium drops. Apply the drug on the leaf part of the plant. Consumption of dry product - from 40 to 120 g per 1 ha. Naturally, for amateur gardeners such volumes are useless. Therefore, you need to count very carefully, preparing for the processing of crops in your area.

Calculated per square meter, the norm ranges from 4 to 12 mg. For example, for gardens and plots the consumption is as follows:

  • for sugar beet and cabbage - 8-12 mg;
  • for onions and garlic - 10-15 mg;
  • for lawns - 12 mg, etc.

"Lontrel Grand" is also used for the treatment of crops of winter and fertile barley, wheat, corn, lavender, rape against ragweed, sunflower, cornflowers, nightshade black.

Since 300 liters of working solution are needed per 1 ha, this means 1 square meter. m need 30 ml.

Impact speed

Affects the drug quickly enough. The first signs appear on the treated leaves. They change color and begin to wither and dry. This occurs after 12-15 hours after treatment. Later the plant twists, the stem thickens, growth stops. After the leaves, the entire terrestrial part of the plant dies, and later the root. Until the complete disappearance of the weeds will take about 14-18 days.

Important! Before using the drug, be sure to read the instructions for use.

Period of protective action

All plants are processed once. The only exception is sugar beets, which require re-processing. This is due to the fact that the harvest of beets is collected in the autumn, later than other crops.

Toxicity and precautions

The instructions for use of the herbicide "Lontrel Grand" said that for humans, insects, animals, the drug is harmless. But handling precautions still need to be performed:

  1. When spraying work in a respirator, be sure to wear gloves.
  2. Avoid contact with food.
  3. After contact with skin, wash off with soap and water.
  4. In case of contact with eyes, rinse with clean running water. In case of burning, go to the hospital.

Compatibility with other pesticides

Often happens that it is necessary to process a site on which there are various weeds. Here one type of herbicide will not help. Lontrel Grand can be combined with other types of herbicides, if necessary. Participates in various herbicidal programs, combining with "Fusilad", "Zellekom" and others.

Did you know? Herbicides began to be applied in the 50s of the last century.

Term and storage conditions

Herbicide does not require special storage conditions. It should be stored, as any water-soluble preparations, in a dry cool place. Expiration date - 3 years from the date of production. The working solution is suitable for use, as already mentioned, for several hours.

Herbicide "Lontrel Grand" is deservedly popular with farmers. Gardeners use it if the mechanical destruction of weeds on the plot is difficult.

Watch the video: How to Use Herbicides (April 2024).