Fungicides for tomatoes: instructions for use, mechanism of action, selection criteria

Fungicides for tomatoes are used to combat diseases, the instructions for the substances contain detailed recommendations for use. Before processing, you must correctly determine the type of problem.

Purpose of fungicides and their varieties

Depending on the types of substances for tomatoes are divided into the following types.

Division by composition

The following types of fungicides are distinguished:

• inorganic substances - contain chemical elements that have a positive effect on the plant (copper, iron, sulfur);
• organic species - implies the presence of organic compounds, the action of which is aimed at increasing the immunity of the culture;
• biological varieties - substances that contain strains of beneficial bacteria, such products do not harm the plant and can be applied 3 times a season.

Determine the complexity of the problem when choosing the type of tomato product.

Division by purpose

Substances can have different purposes. Fungicides are divided into the following varieties:

• substances for seed treatment during planting in the ground;
• antiseptics - used to treat seedlings before planting;
• drugs used to treat seeds during storage;
• substances for the treatment of adult bushes.

The latter type of fungicide is often used. Since the symptoms of the disease occur only after the emergence of seedlings.

The principle of action and function of fungicides

Fungicides may have the following effects on tomatoes:

• suppression of fungal infections and diseases on tomatoes by contact method;
• complex substances penetrate into cells and spread throughout the culture, this contributes to the development of natural immunity to diseases.

You can find complex substances that have a positive effect on the culture and are used for all types of diseases.

The most effective preparations for tomatoes

Among the variety of drugs, it is necessary to highlight the means for caring for tomatoes.

Quadris

Has a complex effect on the plant. Suitable for all kinds of diseases on tomatoes. Does not affect plant development and yield.

"Acrobat"

The remedy is suitable against fungal types of disease, destroys fungal strains and prevents their re-formation.

Ridomil

This drug is effective against late blight. It is often used as a prophylactic agent when planting seedlings in open ground. Can be applied once a season without harm to the plant.

Important. The drug may interact with other types of fungicides to achieve the desired result.

"Agate 25K"

The product contains beneficial bacteria that inhibit the development of a fungal infection. During application, it has a positive effect on tomatoes and can be used as an immunity booster.

"Maxim"

The mixture has a contact effect, to obtain the result, it is necessary to soak the seed material. Used before planting seeds in the ground.

Fundazol

The substance in the form of a powder is used to treat seedlings and adult bushes. Negatively affects fungal types of diseases.

Bordeaux Blend

The mixture is used to treat adult bushes against diseases such as late blight and scab. Contains copper sulphate and slaked lime. Applied 3 times a season. Can be used for disease prevention.

"Barrier"

The solution has a complex effect on tomato diseases. Removes the symptoms of the disease and promotes the development of immunity in an adult plant.

Thanos

The drug promotes the formation of immunity in the plant. Can be used in all weather conditions, does not wash off with water. It is used for all kinds of diseases.

Ridomil Gold

Complex mixture against late blight and other types of fungal infections. After application, it penetrates the plant and has a detrimental effect on fungal spores. Forms a protective film and prevents re-infection.

Fitosporin-M

Contains biological particles that favorably affect the growth of bushes. Can be used as a spray to control disease and prevent recurrence of the problem.

Tranquility Moon

Combined remedy that eliminates diseases in a short period and prevents their reappearance. Contains additional components that increase yield and promote the emergence of new ovaries on the bushes.

"Azoxystrobin"

Fungicide is used to treat late blight and powdery mildew. Has a contact effect on tomatoes. Can be applied 3 times per season. When used, it is addictive and negatively affects the culture. Not used for seedlings.

Kresoxim-methyl

Used to suppress spores of fungal diseases. Accumulative properties, which contributes to the development of immunity. Used 2 times a season.

"Triadimephon"

Means of complex action. It is used to protect tomatoes from diseases. After application, a positive result is maintained for 20 days. Can be used in combination with other types of fungicides.

Sulfur

Colloidal sulfur is used to prepare solutions against scab, powdery mildew on tomatoes. May be applied every 10 days. Sulfur is used against pests.

Which is better to choose

When choosing a drug, the following criteria should be considered:

1. Type of disease - some drugs are directed against one type of tomato disease, when buying, you must carefully study the instructions and select the desired type.
2. Plant age - for seedlings, it is recommended to use gentle preparations that do not affect the development of the crop.
3. Complexity of the disease - when most plants are infected, it is necessary to use potent agents. Such drugs eliminate the infection immediately after the treatment of the bushes.

Gardeners recommend processing planting material before planting tomatoes. This will reduce the risk of diseases on the bushes. When symptoms of the disease appear, preparations with biological strains of beneficial microbes are used.Such products further improve plant growth and eliminate the problem.

How to use it correctly

When using fungicides, follow the instructions for use. It is also important to consider the rules for use for tomatoes:

1. For complex diseases, treatment should be carried out every 10 days. If there is no result, the drug must be replaced with another type.
2. It is necessary to treat seeds after drying, this reduces the risk of rot and damage to planting material in the ground.
3. Seedlings should be treated with biological preparations before planting in the ground. In a greenhouse, seedlings tolerate the effects of the product more easily.
4. When processing tomatoes, it is additionally necessary to cultivate the soil. Diseases arise from the soil in which the strains were previously stored. Diseases can tolerate frost and infect the crop immediately after planting in the ground.
5. When spraying, all bushes are processed. A plant with no visible symptoms could be the source of the infection.
6. It is necessary to spray with a spray bottle.
7. It is necessary to prepare a working solution immediately before processing tomatoes. Ready solution cannot be stored.
8. During processing, it is necessary to use protective equipment for the body from the ingress of particles of the solution.
9. After spraying with the solution for 3 days, the tomatoes are not eaten.

Processing is carried out in the evening, as direct sunlight can cause burns.

Result

The use of fungicides for tomatoes is necessary to preserve the he alth of the plant and obtain a crop. An improperly selected product can adversely affect tomato bushes and lead to death. Before using the substance, you must carefully study the recommendations on the package. Solution not stored.

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