Bi 58 is a contact and systemic insecticide designed to kill gnawing and sucking pests. The drug penetrates the skin of insects and poisons them, and is also absorbed by the plant, protecting it from damage for up to 3 weeks. The active substance is a phosphoric acid ester - dimethoate.
Advantages of the insecticide "Bi 58"
The drug has long established itself in the market due to its universal application. It is worth noting some aspects that distinguish it from other substances with a similar effect:
- The drug "Bi 58" fights a wide range of pests, such as: aphids, spider mites, bedbugs, cicadas, thrips and others.
- Compatible with fungicides and fertilizers, excluding alkaline.
- It is applied at various temperatures.
- Not phytotoxic.
- The result of exposure is noticeable almost instantly.
- Protects plants from several types of insects and ticks for a long time.
- The undoubted advantage of "Bi 58" is the price, which is noticeably lower than that of similar drugs with a similar spectrum of action.
- It is possible to process plants throughout the entire growing season, but only 21-29 days before harvest.
Disadvantages of the insecticide "Bi 58"
The minus of the active substance of dimethoate is a strong, pungent odor. Often, gardeners ask themselves a question about the Bi 58 preparation instructions for use, how to breed it so as not to harm the plants? Although the hazard class of this poison is positioned as 3rd, some experienced gardeners classify this product as class 2 and do not recommend using the increased dosage in enclosed spaces, for example, when processing indoor plants.
Precautions for working with the drug
- When working with such poisons, you need to be careful and use protective equipment: a respirator, goggles, rubber gloves.
- After treatment, wash and change clothes.
- The remaining solution must be disposed of.
- The drug is poisonous to bees, animals and fish, so you can not pour the rest of the solution into water, as well as spray it during the flowering period of plants.
- Keep the emulsion out of the reach of children and animals. Do not allow them to the drug solution.
- It is possible to consume parts of the treated plants only a month after spraying.
- With symptoms of poisoning (nausea, dizziness, drowsiness), a medical team should be called immediately.
Scope of the drug "Bi 58"
In fact, you can use this insecticide over the entire area of the garden plot.
The drug "Bi 58" is equally effective for:
- cucumbers, beets, potatoes and other vegetable crops,
- currant bushes, raspberries,
- legumes and crops,
- fruit trees such as plum, apple tree,
- indoor plants.
Previously, "Bi 58" was produced by Basf and was widely known in Russia among farmers, as it had no analogues. With the advent of many similar pesticides, the substance that is part of the drug has become considered obsolete. Then the formula was improved, as a result of which appeared "Bi 58-New." You can learn how to breed this tool for use on individual crops by reading the instructions below.
"Bi 58" - instructions for use: how to breed and what to use
"Bi 58" is usually sold in the form of two ampoules with a dark blue liquid with a volume of 5 ml. Shake them a bit before using. After that, the drug will darken a little. But there are other packaging, including - 10 liter cans. They may contain an unpainted milky emulsion. This product can also be sold in the form of a spray and tablets. For large tanks with Bi 58, the price may seem high, but such a purchase will be much more profitable for work on an industrial scale. Estimated cost: 750 rubles. for 1 liter The application instruction will tell you the proportions for treating various plants with the "Bi 58" preparation.
How to breed this sprayer
Recommended proportion for solution preparation: 3 ml of emulsion per 10 l of water. It is permissible to use a stronger solution: 1 ml per liter of water. But it should be borne in mind that the treated bushes can discard the foliage and die when using too much concentration of the Bi 58 drug.
Instructions for use: how to breed the drug for various crops (per 1 hectare):
- 1.5-1.6 l of the drug is recommended for spraying wheat to destroy the bug, cereal flies, aphids.
- Other cereals are processed at the rate of 1.0-1.3 liters against aphids, thrips and cereal flies.
- Seed potatoes are treated twice using 1.6–2.0 L against moths, nematodes, wireworms and aphids.
- Beets are sprayed twice with 0.5–1 L of the drug against ticks, thistles.
- The grapes are processed twice using 1.2–3 liters to combat spider mites and mealybugs.
- Bushes of raspberries and currants are sprayed twice, using 0.6-1.3 liters to destroy gall midges and spider mites.
- Plantings of tobacco are treated twice with 0.8–1 L against aphids, worms and thrips.
"Bee 58" is a well-known drug that has proven to be an effective and inexpensive means to kill pests. Subject to basic rules for working with pesticides, it is safe for humans.