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Fungal diseases can completely destroy crops. In the presence of the first signs of damage, the plants are treated with Amistar Extra. Its action is aimed at the destruction of harmful microorganisms. After processing, landings are provided with long-term protection.
Features of the fungicide
Amistar Extra is a contact fungicide with good protective properties. The drug contains two active ingredients: azoxystrobin and cyproconazole.
Azoxystrobin belongs to the class of strobilurins, provides a long-term protective effect. The substance blocks the respiratory function of fungal cells and effectively fights various diseases. Its content in the preparation is 200 g/l.
Cyproconazole has medicinal and protective properties. Within 30 minutes after spraying, the substance penetrates into plant tissues and moves through them. Due to the high speed, the solution is not washed off with water, which reduces the number of treatments. The concentration of the substance in the preparation is 80 g/l.
Fungicide Amistar Extra is used to protect crops from ear and leaf diseases. After treatment, the plants become resistant to adverse conditions: drought, exposure to ultraviolet radiation, etc. In horticulture, the agent is used to protect the flower garden from fungal diseases.
Amistar has an impact on the physiological processes occurring in plant tissues. The active ingredients activate antioxidant protection, help to absorb nitrogen and optimize water metabolism. As a result, the immunity of grown crops is increased.
The drug in the form of a liquid suspension is supplied to the market by the Swiss company Syngenta. The substance is diluted with water to obtain a solution. The concentrate is packaged in plastic canisters of various capacities.
One of the varieties of the drug is the fungicide Amistar Trio. In addition to the two main components, it contains propiconazole. This substance is effective against pathogens of rust, spotting and powdery mildew, and has a powerful healing effect. Maximum efficiency is observed in warm weather.
Fungicide Amistar Trio is used to treat rice, wheat and barley. Spraying improves the quality of the crop. The application rates are the same as for the drug Amistar Extra.
Advantages
The main advantages of the fungicide Amistar:
- comprehensive protection against diseases;
- fight against lesions at various stages;
- crop yield growth;
- increasing plant immunity;
- helps crops absorb nitrogen;
- retains its effect after watering and precipitation;
- suitable for tank mixes.
Disadvantages
The disadvantages of the drug Amistar include:
- the need to adhere to safety rules;
- strict adherence to dosages;
- danger to bees;
- high price;
- pays off only when used in large areas.
The order of application
Suspension Amistar Extra is mixed with water to obtain a solution of the required concentration. First, the drug is diluted in a small amount of water, the remaining water is gradually added.
To prepare the solution, enameled, glass or plastic containers are used. The components are mixed manually or using mechanized equipment. Spraying requires a sprayer with a nozzle or special automated tools.
Wheat
Fungicide Amistar Extra protects wheat from a wide range of diseases:
- pyrenophorosis;
- rust;
- powdery mildew;
- septoria;
- black colossus;
- Fusarium wilt.
Spraying is carried out during the growing season when signs of damage occur. The next treatment is performed after 3 weeks.
To process 1 ha of plantings, 0,5 to 1 liter of Amistar fungicide is required. Instructions for use prescribe to spend 300 liters of solution for the indicated area.
Fusarium head blight is a dangerous disease of wheat. The defeat leads to loss of productivity. To combat the disease, plantings are sprayed at the beginning of flowering.
Barley
Amistar Extra protects barley from the following diseases:
- dark brown and net spotting;
- powdery mildew;
- rhynchosporiosis;
- dwarf rust.
Spraying is started in the presence of symptoms of diseases. If necessary, the procedure is repeated after 3 weeks. Suspension consumption per 1 ha of barley plantings ranges from 0,5 to 1 liter. For spraying this area, 300 liters of solution are required.
Rye
Winter rye is prone to stem and leaf rust, olive mold, rhynchosporia. Plantings are sprayed if there are signs of disease. Re-treatment is carried out after 20 days, if the disease has not receded.
The consumption of Amistar is 0,8-1 l/ha. To process each hectare of fields, 200 to 400 liters of ready-made solution are required.
Rape
Rape can be seriously affected by phomosis, alternariosis and sclerotiosis. Plantings protect against diseases by spraying during the growing season.
When symptoms of diseases appear, a solution of the fungicide Amistar Extra is prepared. According to the instructions for use, 1 ml of the drug is enough to process 10 weave. The consumption of the solution for the indicated area is from 2 to 4 liters.
Sunflower
Sunflower plantings are prone to fungal diseases: septoria, phomosis, downy mildew. During the growing season of plants, one treatment is carried out.
Spraying is necessary when the first signs of lesions are detected. For 1 weave, 8-10 ml of Amistar is required. Then the average consumption of the finished solution will be 3 liters.
Corn
Treatment of corn is necessary in the presence of symptoms of helminthosporiasis, stem or root rot. Spraying is carried out at any stage of vegetation, but no later than 3 weeks before harvesting.
For each hectare of corn planting, 0,5 to 1 liter of fungicide is needed. Then the consumption of the prepared solution will be 200-300 liters. 2 sprays are enough per season.
Sugar beet
Sugar beet plantings suffer from phomosis, cercosporosis, and powdery mildew. Diseases are fungal in nature, so fungicides are used to combat them.
It requires 1-5 ml of Amistar for 10 hundred square meters of plantations. To process this area, 2-3 liters of the resulting solution are required. During the growing season, the fungicide is used no more than 2 times.
Safety Precautions
Amistar Extra has been assigned hazard class 2 for humans and hazard class 3 for bees. Therefore, when interacting with the solution, precautions are taken.
Work is carried out on a cloudy day without rain and strong winds. It is allowed to transfer processing to the morning or evening.
If the solution comes into contact with the skin, wash the contact area with soap and water. In case of contact with eyes, they are washed with clean water for 10-15 minutes.
Fungicide Amistar is kept in a dry place out of the reach of animals and children. Duration of storage – no more than 3 years.
Reviews of gardeners
Conclusion
Amistar Extra acts on pathogens of fungal diseases and helps to preserve the crop. After treatment, the active ingredients penetrate the plants, destroy the fungus and provide long-term protection against new lesions. Take precautions when working with fungicide. The consumption of the drug depends on the type of crop being processed.
