Content
Fungal diseases of agricultural 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.
The 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 reviews from grateful gardeners and gardeners, the use of the drug Ordan helped them save their plants and crops from death. Let's look at what you need to use it for and how to do it correctly.
Purpose
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 peronospora, mildew, late blight, alternaria. Suitable for use in open-type beds and in greenhouse conditions, both in personal gardens and summer cottages, and in industrial plantings.
Composition of the drug
According to the instructions, the Ordan fungicide contains 2 active ingredients with different properties. Together they make up the unique formula of 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 fungal spores are left without nutrition and die after some time.
- Cymoxanil. This contact-systemic fungicide has a healing and protective effect. It quickly penetrates plant tissue, destroys fungal spores 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, treats infected plants, inhibits and kills pathogens of various diseases. The instructions for use of Ordan indicate that its therapeutic effect lasts 2-4 days, its prophylactic effect, preventing diseases, lasts 7-14 days.
Release form and shelf life
The manufacturer of Ordan is the Russian company “August”. The fungicide is produced in powder form. It is a white or cream-colored powder, highly soluble in water. It is packaged 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. Packages with small packaging are intended for use in private household plots, larger containers are for industrial use.
The shelf life of the Order is 3 years, starting from the date of issue. Storage conditions: dark and dry place, out of the reach of children or animals. It is prohibited to store Ordan near food, medicine and feed intended for animals.
Toxicity and characteristics
In treated plants it is destroyed quickly and 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 a suppressive effect on soil microflora. It is destroyed under the influence of soil microorganisms to the simplest substances in 1-6 months.
For people and warm-blooded animals, it is slightly toxic or moderately toxic (hazard class 2 or 3). Does not irritate the skin and does not increase its sensitivity, but may irritate the eyes and respiratory tract if it gets into them, and if it gets into the stomach it causes inflammation.
Not dangerous or slightly dangerous for bees, but to be safe, insects must be removed from the fungicide treatment area during spraying and for the next 5-6 hours. Does not affect the taste of fresh grapes, the fermentation of grape juice when producing wine from it, or the taste of the finished product.
Theoretically, it is allowed to use it together with pesticides that have a neutral reaction, but 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 alkali-containing products.
Advantages and disadvantages
The drug Ordan has the following advantages:
- Multifunctional, its use can be used on many 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 tissue.
- Does not oppress or damage treated plants.
- 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.
Disadvantages of the fungicide: storing the drug in large packaging - bags - is inconvenient, the powder can spill out and generate dust. When dust gets into the air, it becomes dangerous to breathe. The fungicide is not economical; rather large volumes of the drug are required to produce the working fluid. Harmful to fish, so it should be used away from water bodies or fish farms.
Directions for use and precautions
For use, Ordan's working solution is prepared before processing the 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 mix everything well, dissolve the mixture in such a volume of water as is necessary to obtain the liquid of the desired concentration. Continue stirring the liquid while treating diseased plants.
Spraying must be carried out on a sunny and windless day. The best time for treatment with Ordan is morning or evening, when the intensity of solar radiation is low. This will protect the plants from sunburn. Spray the preparation on both the leaves and stems of plants until they are completely wetted. The fungicide solution should be used on the day of use; the remaining product should not be stored or used in the future.
The treatment is carried out wearing protective clothing that covers all exposed parts of the body. Wear goggles, a respirator, or cover the face with a bandage, and protect hands with rubber gloves. Do not drink water or smoke while spraying.If droplets of the solution suddenly get on the skin, these areas should be thoroughly rinsed with water. If the drug is accidentally ingested, drink water, induce vomiting, and then take activated charcoal. If you feel unwell, call a doctor immediately.
For grapes
The vine is treated with Ordan against mildew. Spraying is done for prevention and treatment at the initial stage of infection with fungi. For the best effect, treatments are repeated with a break of 1-2 weeks. The consumption rate of Ordan for grapes according to the attached instructions for use is 100 ml of working fluid per 1 sq. m of cultivated area. The number of sprayings is 3 per season, the last one is carried out 3 weeks before the grape harvest to prevent the accumulation of fungicide substances in the fruits.
Ordan for tomatoes and cucumbers
According to reviews from vegetable growers, Ordan helps well against late blight, downy mildew and Alternaria blight in tomatoes and downy mildew in cucumbers. According to the instructions, the volume of Ordan's solution for these crops is 60-80 ml per square meter. m (open beds) and 100-300 ml per sq. m (greenhouses and greenhouses). The first treatment is carried out when 6 leaves appear on the plants, subsequent ones - after 1-1.5 weeks. Tomatoes can be harvested 3 days after the last treatment.
For potatoes and onions
Ordan SP is also effective against diseases of these important garden crops: downy mildew, powdery mildew, white spot, brown and gray rot. At the initial stages of development, the crops are treated with a drug to prevent infection, after which - every 1-1.5-2 weeks. The consumption rate of the drug is for potatoes 40 ml per square meter. m, for onions - 40-60 ml per square meter. 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 it against rust at the first signs of this disease, spraying is repeated after some time. The concentration of the solution is 5 g per 1 liter of water.
Reviews from summer residents
Conclusion
Fungicide Ordan is an effective remedy for diseases of garden and garden plants. It perfectly fights common serious infections, preventing and curing them.
