A pair - the causative agent of the disease is the casual mushroom "Venturia". Every year thousands of fruit crops suffer from the effects of fungus. The disease is striking the surface tissues of leaves and ripe fruits, destroying the whole harvest plantation. Effective methods and advice of experienced gardeners will help in the fight against fungal disease!
Flash on an apple tree
As a rule, primary infection occurs during the May Blossom of the apple tree. At this time, spring rains are present, smoothly passing in summer morning dew. Humidity contributes to active reproduction of the ride of the fungus. Without applying emergency measures by the end of the season, the pair attacks all apple trees in the garden. How to determine the presence of pasta:
- On the leaves there are black dots in the form of a drop. Reason - Spores The fungus falls on the apple tree in the air, but they are activated only in water. When dragging droplets on a sheet, the fungus immediately begins his life, turning the droplet into a black spot.
- Apples acquire the ugly appearance - wrinkled, black, minor and fall immature on the ground.
It is important to know - fruit body fungus is formed by autumn. If you do not get rid of the tree from the disease until the winter period, the pair perfectly pumps on the inside of the shoots, the soil with fallen foliage or hide in the cortex.
How to deal with a pair on an apple tree - preventive measures
To avoid re-infection, war with any disease begins with prevention.
- Provide a moderate watering and make phosphoric or potash feeding.
- Remove the dried branches with a seedling, wrap the affected leaves and burn.
- At the end of the autumn, wear the top layer of the cortex before the appearance of "lively" fabric.
- The skeletal branches of the apple tree and the trunk must be bred in mid-September.
- Cardinal processing - the passage is dying from drugs containing copper. Spray the tree after harvesting with 1% copper coarsa solution (1 tbsp. Spoon on 1 liter of water).
- Early spring makes a 3% solution of the bordeaux mixture and carry out the full processing of bare branches of the apple tree.
There are only two varieties of apple trees, which are resistant to this disease - Anis and Antonovka. Sorts requiring constant anti-grapple prevention - Ranet Simirenko, fragrant Melba, Calville Snowy, Papro.
How to deal with a pair on an apple tree by folk remedies
To date, there is a huge selection of chemical antifungal drugs, but not every gardener will agree to erect the favorite tree by fungicides. Folk remedies are safer, but help in treatment only in the first year of the appearance of the disease.
- Mustard - spread 90 g of mustard powder in a bucket with warm water, stir up to complete dissolution. Abundantly spray leaves, crown and infected wood barrel. A bitter mixture can be used at any time, the composition of the mustard does not affect the taste of the fetus. For the season it is necessary to produce 4-5 treatments.
- Manganese - Prepare a strong manganese solution of dark red color. Out with a concentrated solution of patients and healthy apples. Special attention is paid to the inside of the leaves and tree bark. Repeat the procedure 3 times, with a frequency of 20 days.
- Salt - In the bucket of water, dissolve a pack of salt and sprinkle the bare branches of trees in early spring. Taking into account the salt slightly delays the growing season, but actively struggles with fungal disputes.
- Dairy serum - fermented milk bacteria "eat" the fungus completely, not leaving him the slightest chance. Natural product skip through the filter, pour into sprayer and coat the buds, twigs and apple tree leaves. According to dachnikov, 1 spraying is enough to destroy pasta.
How to deal with a pair on an apple tree - Chemical attack
When biological preparations and folk remedies are powerless, nothing remains, how to influence the pest to the chemical attack.
- The first treatment of the apple tree is carried out when the first positive temperature appears +5, +7 degrees. Spray the trees with a solution of urea, at the rate of - 1 tbsp. Spoon on 1 liter of water.
- The second processing is performed during the swelling of the kidneys, dissolving on 10 liters of water - 10 Hamai tablets or 30 ml of phytolavine.
- The third processing is carried out after harvesting, spreading preparations - 1 ml strobe on a 3 liter, soon 2 ampoules per 10 liters. No less effectively fights the fungus, as indicated above, the copper sulphate or the Bordeaux mixture.
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