Content
Fungicides help fight diseases of garden and field crops, fruit trees, shrubs, and vineyards. One of the popular drugs is Topsin M, produced in the form of a powder or emulsion. Fungicide treatment of cultivated plantings is carried out before flowering, as well as after harvesting.
What you need to know about the drug
Topsin fungicide is produced in the form of an emulsion or powder. The dosage of dry matter is more often found in large packages weighing 1–10 kg. This packaging of Topsin is convenient for farmers, as well as owners of large plots of land. For private use, there is a small dosage of fungicide, 10–25 g. However, the emulsion is more popular. For the drug Topsin M 500 SC, the instructions for use are the same as for the powdered substance. The advantage of the emulsion is that the fungicide is ready for use, as well as a convenient dosage for the private owner. The drug is sold in bottles with a capacity of 10 ml.
The main active ingredient of the drug is a pesticide called theophanate-methyl.The fungicide belongs to the class of drugs of medium toxicity and does not cause chemical burns to the skin or mucous membranes. For the drug Topsin M, the instructions for use provide for the treatment of plantings by spraying. The active substance of the fungicide is quickly absorbed by the entire tree or plant. The pesticide destroys fungal spores, prevents the awakening of mycelium, and heals the affected areas. Additionally, the fungicide protects the green mass from aphids and other leaf beetles.
Main advantages and disadvantages
Thanks to a complex of beneficial actions, Topsin M fungicide has many advantages:
- the drug has a wide spectrum of action, which allows you to effectively combat several types of diseases;
- the effect of the active substance Topsin begins on the first day of treatment;
- the protective period of the fungicide lasts up to 1 month;
- the fungicide is compatible with all preparations that do not contain alkali and copper;
- Along with protective actions, the drug Topsin M is a stimulator of plant cell growth and also improves the process of photosynthesis;
- the fungicide helps save trees and garden crops from mechanical damage from hail;
- The pesticide is slightly toxic, safe for humans, bees and the plants themselves.
The disadvantage of Topsin is the adaptation of fungal pathogens to the active substance. The problem is solved by alternating treatment with the drug with other fungicides.
Action of the active substance
The systemic effect of Topsin fungicide simultaneously consists of the prevention, treatment and destruction of developing fungus.
The disease often occurs in stone fruit tree varieties. The fungus in the spring affects the buds and foliage, appearing on the plates as brown spots. After 10–14 days, the areas dry out and crumble. The foliage becomes covered in small holes.
Over time, the fungus spreads to the fruit. The symptoms are similar. Spots appear first and progress to dry rot. The fruits fall off along with the leaves, preserving fungal spores all winter until next spring. With the onset of heat, the pathogen awakens. Fungal spores are activated at a temperature of +4OC. Infection of neighboring plantings occurs with the help of wind and insects.
The main method of control is burning in the fall of affected fallen leaves and fruits. Dry and diseased shoots are pruned from trees. In the spring, immediately after flowering, the first treatment with Topsin is carried out. Two weeks later the procedure is repeated.
The video talks about fake fungicides, including Topsin:
Instructions for use
If you decide to use Topsin M fungicide, the instructions for use are written on the original packaging and must be followed. Regardless of the use of powder or emulsion, the solution is prepared on the day of use. According to the instructions, the required dose of Topsin is dissolved in water. The prepared fungicide solution is thoroughly mixed, filtered, and then poured into the sprayer tank.
Typically, for Topsin M, the instructions for use state that 10 to 15 g of the drug are dissolved in 10 liters of water.Spraying is recommended to be done during the growing season. The use of fungicide during flowering is not allowed. The best period is before the buds appear or after harvesting. There should be no flowers on a tree or garden crop. During the season, 2 treatments are carried out, otherwise the drug will not bring any benefit.
Spraying with fungicide is carried out in clear, calm weather. Repeated action is performed no earlier than after 2 weeks. It should be noted that Topsin is addictive. From frequent use, fungi adapt to the drug and acquire immunity. For the best effect, adhere to annual rotation using analogues. Cykozin and Peltis have proven themselves well, but in such matters an individual recommendation from a specialist is needed.
Compliance with safety measures when treating plantings with fungicides
Topsin's instructions for use state that when working with the drug, precautions must be taken. In terms of danger to humans, the fungicide belongs to the second class. Topsin will not cause any particular harm to the skin and mucous membrane, but you cannot spray without a respirator and rubber gloves. It is advisable to wear glasses when processing trees. From a height, sprayed mist will settle and may get into your eyes.
A special feature of Topsin is its effective action aimed at almost doubling the yield. Farmers take advantage of this. When processing your plantations, you need to take into account that there will be no particular harm to bees and birds. However, fish have a hard time with the fungicide getting into the water. Topsin should not be used near bodies of water. It is strictly forbidden to pour out the remaining solution and wash the equipment in water.
Application of the drug for different types of crops
Before starting use, read the instructions for use on the packaging of Topsin fungicide, which indicates the recommended dosage. It will differ for different garden crops and trees. If spraying is needed for treatment, the degree of infestation is additionally taken into account.
Dry Topsin powder is dissolved until the crystals completely disappear. The fungicide emulsion can be dissolved in a small amount of water directly inside the sprayer tank. Close the container tightly with a lid, shake it several times, open it and add water to the required amount. The closed tank is shaken again, pumped up and proceed to spraying. During the procedure, shake the balloon periodically to avoid the formation of sediment.
Spraying cucumbers
The fungicide effectively protects cucumbers from powdery mildew. The planting is treated twice a season. With an open growing method, spraying is allowed to be carried out with the emergence of seedlings and before the formation of the ovary. Flowering time is excluded. It is better to spray early. The drug is valid for 1 month, and this period should preferably end at the time of harvesting. At 1 m2 30 ml of solution is usually enough for the beds. The concentration of the active substance reaches approximately 0.12 g/1 l.
Roots
Most often, the fungicide is in demand for beets, but is also suitable for other root crops. The drug protects against powdery mildew, as well as manifestations of cercospora. During the season, 3 treatments are carried out every 40 days. It is during this time that Topsin effectively protects root crops. Consumption of the finished solution per 1 m2 is about 30 ml. The concentration of the active substance is adjusted to 0.08 g/1 l.
Fruit trees
All fruit-bearing trees are sprayed twice per season. The best period is considered to be early spring before the buds begin to appear and the end of flowering, when the young ovary appears. The protective effect lasts for a maximum of 1 month. The consumption of the finished solution depends on the size of the tree and can reach from 2 to 10 liters. The optimal concentration of the active substance is 1.5%. The effect of the drug extends to the destruction of scab and powdery mildew pathogens.
Vineyards and berry bushes
Spraying of berry bushes and grapevines is carried out before the appearance of flower stalks, as well as after harvesting. Processing is prohibited while berries are being poured. Rapid ripening does not make it possible to completely neutralize all substances undesirable for ingestion.
Protective actions extend to the resistance to gray rot, as well as the occurrence of anthracnose. Vineyard fungicide protects against oidium. The consumption of the finished solution depends on the size of the bush and can reach 5 liters. The optimal concentration of the active substance is 1.5%.
Reviews
Reviews from summer residents about the effectiveness of Topsin M are divided. Some gardeners claim it is useful, while others are wary of chemicals.
