In the search for a better answer to the question, what to process the grapes in the spring after the opening, you need to consider the application of various means on the site. To protect the vines are now used, both modern systemic fungicides, and time-proven effective copper-containing preparations.
Grape processing in spring
At the solar vine after the opening, there are many enemies in the form of pathogens of fungal infections and harmful insects, so to get an excellent harvest without preventive spraying of bushes with special medications the gardener can not do now. Processing of grapes in spring from diseases and pests is a mandatory agrotechnical technique that allows to effectively destroy fungal spores and wintering parasite larvae at an early stage of development.
The basic rules of processing vines in the spring:
- Iron vitriol, 3% Bordeaux mixture and some other concentrated products can burn blooming buds and leaves, it is necessary to strictly observe the terms of work with these preparations.
- Try to remove the flowering weeds on the site so that in the process of processing chemicals do not harm the bees pollinating in the spring your gardens.
- Use correct sprayers, apply a thin layer.
- It is advisable to spray fungicides and insecticides after opening the bushes from a distance of 50-60 cm from the vine.
- Make a plan for several years than to process the grapes in the spring after opening, alternate chemical means to prevent pests from getting used to the active substance.
- It is undesirable to store diluted drugs in a tank or bucket for a long time, treat the treatment immediately after the preparation of the solution.
- Choose for processing grapes after opening a dry and maximum windless weather, it is better to spray the bushes after sunset.
Grape processing in spring with ferrous vitriol
Iron vitriol is a potent remedy, it is forbidden to apply it after opening on blossoming leaves. If the kidneys are swollen and covered with fuzz, they begin to burst, the green tips of the future shoot appear, then it is too late to use this fungicide. For the destruction of pests, the treatment of grapes with iron vitriol in the spring in the proportion of 300-400 g of this fungicide per 10 liters of a bucket of water is effective. It is desirable to spray together with the vine and the surrounding soil in order to inflict the maximum impact on pests. The recommended flow rate is up to 15 liters of dilute vitriol per 100 m 2 .
Processing of grapes with copper sulfate in spring
Quality spraying of grapes in spring with copper sulfate is carried out on a bare vine immediately after the end of wintering with a 3% solution. There are simple rules how to work with this old and time-tested product:
- Blue-blue crystals are prohibited from breeding in metal containers, try to purchase for this purpose separate plastic or enameled buckets.
- It is better to prepare the fungicide in a liquid heated to 50 ° C.
- Try to filter through the filter.
- The period of protective action of copper sulfate is up to 30 days.
- A solution bucket of 10 liters is sufficient for an average processing of 100 m 2 .
- Copper sulfate can effectively disinfect the soil in the garden, greenhouses or greenhouses.
Processing of grapes Bordeaux mixture in spring
After opening at 3% concentration Bordeaux mixture for grapes in spring is applied over the bare vine, 1% concentration is effective when spraying foliage from various diseases. Make a fungicide of two elements - copper sulfate and quicklime, which acts as a neutralizer, which protects the green mass from burns. The main condition is to dilute the components in different containers, and then the blue vitriol solution is poured neatly into the lime milk, obtaining a liquid with a safe neutral or slightly alkaline reaction.
Processing of urea grape in spring
To solve a problem, than to process a grape in the spring right after opening, it is possible by means of the widespread fertilizer under the name urea . It should be used, without waiting for the pecking of the kidneys, immediately after the extraction of the vine from under the ground or tunnel cover. Spraying grapes in the spring from urea diseases is a good way to defeat the scab, weevil, honeycomb, caterpillars and aphids. To work 500-700 g of loose carbamide dissolved in 10 liters of water.
Processing of Topaz in the spring
Choosing which preparations to spray grapes in the spring after opening the vine, it is worth paying attention to Topaz, created on the basis of penconazole, which deserved a considerable number of gardeners excellent reviews. It helps from rust, rot, dangerous powdery mildew. Topaz cures infections, can penetrate into the cells of the grapes and sustainably tolerate atmospheric influences. Initially, penconazole disinfects bushes and destroys mushrooms, and then helps to strengthen the protective system. When spraying foliage and fruits, you need to remember that Topaz has a waiting period of at least 20 days.
Terms of processing of grapes Topaz after opening:
- 1st treatment - immediately after bud blossoming;
- 2nd treatment - immediately after the flowering process is over.
Grape treatment with Nitrofen in spring
Nitrofen is used for grape in spring on the bare vine immediately after opening, on green foliage this pesticide is undesirable to apply because of high toxicity. It is supplied as a paste-like dark-brown substance. It thoroughly disinfects wounds on wood, effectively against a huge list of pests, mildew, oidium, mites and anthracnose. Due to the long period of decomposition, Nitrofen in the gardens began to be replaced by less toxic pesticides.
Working concentration of Nitrofen:
- Processing of shrubs after opening - 150-200 g / 10 l.
- Disinfection of wounds - 200 g / 10 l.
- Treatment of soil from insects, fungus and mold - 300 g / 10 liters.