Systemic treatments are used to combat powdery mildew, mold, septoria, and other fungal infections. One such treatment is the broad-spectrum chemical "Derozal." It has protective and eradicating properties and is highly systemic. The instructions for use of the fungicide "Derozal" state that it is suitable for treating grain and sunflower seeds.
Composition, existing forms of release and purpose
Belongs to the benzimidazole chemical class. The main active ingredient is carbendazim, at a concentration of 500 grams per liter. The product is available as a suspension concentrate, packaged in 5-liter plastic containers.
The pesticide is intended to combat fungal diseases of cultivated plants transmitted through seeds and soil:
- mold;
- root rot;
- fusarium;
- phomosa;
- powdery mildew and other diseases.
Mechanism of action
The main substance of the drug stops the reproductive capacity of pathogens and blocks the processes of nuclear division.
The product penetrates the roots and foliage, moving upward through the plant. It inhibits the growth and development of the vegetative form of fungi.
In addition to its protective properties, Derosal has a therapeutic effect on vegetation. Once absorbed into the soil, the pesticide remains there for five months. Its effect lasts for several weeks. The duration of action depends on weather conditions.
Pros and cons
"Derosal" is actively used in private farms and large agro-industrial farms.
Calculation of consumption for different plants
The dosage of Derosal is indicated in the table:
| Culture | Application rate of the preparation, l/ha | Harmful object | Processing time |
| Wheat | 0.5 | Powdery mildew | Spraying during the growing season |
| Barley | 0.5 | ||
| Rye | 0.5 | Powdery mildew, septoria | |
| Beet | 0.3-0.4 | Cercospora leaf spot, powdery mildew | |
| Sunflower | 0.5 | Rot, powdery mildew, phomosis |
For seed treatment, 1.5 liters of the solution is used per hectare. The working solution consumption is 300 liters per hectare.
Preparation of the working mixture
Prepare the solution at a rate of 5-7 milliliters per 10 liters of water. For easy measurement, use a syringe. Add the required amount of fungicide to 1-5 liters of water and stir vigorously. Add water until the desired volume is reached.
Instructions for use
Fine-droplet spraying is used to treat crops. The solution is applied using field units with flat-spray nozzles. One spraying per season is sufficient.
Precautionary measures
The fungicide "Derosal" is classified as hazard class 4 and is virtually safe for insects, warm-blooded animals, and humans. When working with it, observe safety precautions and wear personal protective equipment: thick clothing, latex gloves, a mask, and a hat.
If the chemical comes into contact with skin, thoroughly clean the affected area. If it comes into contact with mucous membranes, rinse with plenty of water and seek medical attention. If the victim's condition worsens, call an ambulance immediately.
Phytotoxicity
When the recommended application rates are observed, the pesticide does not have a phytotoxic effect on crops.
Possible compatibility
Derosal is compatible with most chemicals and can be used in conjunction with nitrogen fertilizers and growth regulators. Caution should be exercised when using tank mixes, as it may cause leaf burn. A compatibility test with pesticides is performed before use. Do not use with alkaline solutions.
Storage conditions and shelf life
Store the product in a cool, dry place. Avoid direct sunlight. The shelf life is 2 years from the date of manufacture. The prepared working solution should not be stored.
Similar means
Pesticides have a similar spectrum of action:
- "Topsin-M"
- Ferazim;
- "Vitaros";
- Vitavax.
The fungicide "Derozal" is an effective, universal solution for combating most types of fungal diseases. It effectively combats infection sources and pathogens at an early stage of development.
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