Content
Fungal diseases of crops are very common and difficult to treat. But if the disease is not stopped in time, you can not count on the planned harvest.
Domestic fungicide Ordan is considered one of the best drugs of its kind. Among other drugs, it stands out for its effectiveness against pathogens of a number of known diseases of grapes and other crops. According to the reviews of grateful gardeners and gardeners, the use of the drug Ordan helped them save their plants and crops from death. Let's take a look at what you need to use it for and how to do it right.
Appointment
Ordan is used against a number of common diseases of grapes, tomatoes, onions, potatoes, cucumbers, strawberries, garden and indoor flowers. Diseases that are treated with this drug are peronosporosis, mildew, late blight, alternaria. Suitable for use in open-type beds and in greenhouse conditions, both on personal backyards and summer cottages, and on industrial plantings.
Composition of the preparation
According to the instructions, the Ordan fungicide contains 2 active ingredients with different properties. Together they make up a unique formula for the drug:
- Copper oxychloride. Contact fungicide. The substance has a powerful fungicidal and bactericidal effect. Being on the surface of plant tissues, it stops the process of mineralization of compounds of organic origin, the spores of the fungus remain without nutrition and die after a while.
- Cymoxanil. This contact-systemic fungicide has a curative and protective effect. It quickly penetrates into plant tissues, destroys the spores of the fungus that are in the incubation stage, and at the same time restores cells damaged by them. Validity period - no more than 4-6 days.
Thanks to 2 components with different properties, Ordan has a complex effect: it prevents the penetration of infection into plant tissues, heals infected plants, inhibits and kills pathogens of various diseases. The instructions for the use of Ordan indicate that its therapeutic effect lasts 2-4 days, the preventive action, preventing diseases - 7-14 days.
Release form and shelf life
Ordan's manufacturer is the Russian company "August". The fungicide is available in powder form. It is a white or cream-colored powder, readily soluble in water. It is packed in small packages weighing 12.5 and 25 g, in boxes of 1 kg and 3 kg and bags containing the largest volume of the drug - 15 kg. Small packages are intended for use in private household plots, larger containers - for industrial use.
Ordan's shelf life is 3 years, starting from the date of issue. The storage environment is a dark and dry place out of reach of children or animals. It is forbidden to store Ordan near food, medicine and animal feed.
Toxicity and characteristics
In the treated plants it is destroyed quickly, does not accumulate. In solutions, the half-life is approximately 2 days, in the soil of open beds - 2 weeks, in greenhouse conditions - 3 weeks. Being in the ground, it does not move into groundwater and does not have an overwhelming effect on the soil microflora. It is destroyed by the action of soil microorganisms to the simplest substances in 1-6 months.
For people, warm-blooded animals, it is low-toxic or moderately toxic (hazard class 2 or 3). It does not irritate the skin and does not increase its sensitivity, but it can irritate the eyes and respiratory tract if it enters them, and if it enters the stomach it causes inflammation.
Not dangerous or not very dangerous for bees, but for reliability during spraying and for the next 5-6 hours, insects must be removed from the fungicide treatment zone. Does not affect the taste of fresh grapes, the fermentation of grape juice when getting wine from it and the taste of the finished product.
Theoretically, it is allowed to use it in conjunction with pesticides that have a neutral reaction, but nevertheless, before mixing, both drugs must be checked for compatibility. If a precipitate forms in the common solution, they cannot be used together. It is forbidden to dissolve Ordan with alkaline agents.
Advantages and disadvantages
The drug Ordan has the following advantages:
- Multifunctionality, its application is possible on many agricultural crops: vegetables, berries, as well as indoor and garden flowers.
- It has a triple complex effect on the treated plants: prevents infection, destroys pathogens, heals and restores damaged tissues.
- Does not inhibit or damage the treated plants.
- It is highly effective due to its simple but optimal composition.
- Does not contribute to the formation of resistance to it in pathogenic microorganisms.
- It is not toxic to humans if all processing rules are followed.
Cons of the fungicide: it is inconvenient to store the drug in large packaging - bags - the powder can spill out and become dusty. Dust entering the air becomes hazardous to breathing. The fungicide is uneconomical; rather large volumes of the drug are required to manufacture the working fluid. Harmful to fish, so you need to use it away from water bodies or fish farms.
Method of application and precautions
For use, the Ordan working solution is prepared just before the treatment of plants. Why take a certain amount of the drug: as much as indicated in the instructions and dissolve it in a small amount of water. Then everything is mixed well, the mixture is dissolved in such a volume of water, which is necessary to obtain a liquid of the desired concentration. They continue to stir the liquid during the treatment of diseased plants.
Spraying is carried out necessarily on a sunny and calm day. The best time to process Ordan is in the morning or evening, when the intensity of solar radiation is low. This will protect the plants from sunburn. Spray with the preparation both leaves and stems of plants until they are completely wetted. The fungicide solution must be consumed on the day of use, do not store the rest of the product and do not use it in the future.
The treatment is carried out in protective clothing covering all exposed parts of the body. They put on glasses, a respirator or cover their face with a bandage, protect their hands with rubber gloves. During spraying, do not drink water or smoke. If drops of solution suddenly get on the skin, these areas should be thoroughly rinsed with water. In case of accidental ingestion of the drug, you need to drink water, induce vomiting, then take activated charcoal. If it becomes bad, immediately call a doctor.
For grapes
The vine is treated with Ordan against mildew. Spraying is done for prophylaxis and therapeutic at the initial stage of infection with fungi. For the best effect, the treatment is repeated with a break of 1-2 weeks. The Ordan consumption rate for grapes according to the attached instructions for use is 100 ml of working fluid per 1 sq. m of the cultivated area. The number of sprays is 3 per season, the last one is carried out 3 weeks before grape harvest in order to exclude the accumulation of fungicide substances in the fruits.
Ordan for tomatoes and cucumbers
According to vegetable growers, Ordan helps well against phytophthora, peronosporosis and alternariosis of tomato and peronosporosis of cucumbers. According to the instructions, the volume of Ordan's solution for these crops is 60-80 ml per sq. m (open beds) and 100-300 ml per sq. m (hotbeds and greenhouses). The first treatment is carried out when 6 leaves appear on the plants, the subsequent ones - after 1-1.5 weeks. You can harvest tomatoes already 3 days after the last treatment.
For potatoes and onions
Ordan SP is also effective against diseases of these important garden crops: peronosporosis, powdery mildew, spotting of white and brown, gray rot. At the initial stages of development, the culture is treated with a drug for the prevention of infection, then every 1-1.5-2 weeks. The consumption rate of the drug is 40 ml per sq. m, for onions - 40-60 ml per sq. m. The last fungicide treatment is carried out 3 weeks before harvesting.
For roses
The fungicide shows excellent results on garden roses. Plants are treated with them from rust at the first signs of this disease, the spraying is repeated after a while. The concentration of the solution is 5 g per 1 liter of water.
Reviews of summer residents
Conclusion
Fungicide Ordan is an effective remedy for diseases of garden and garden plants. It is great at fighting common serious infections by preventing and treating them.
