Red currant: diseases, pests and ways to deal with them

Many gardeners consider red currants the queen of berries, and for good reason. After all, its fruits have healing properties and are considered a source of health.

Due to the high content of pectin, currant berries are still used in folk medicine to cleanse the body of toxins, in the treatment of diseases of the gastrointestinal tract, reduce the development of various kinds of inflammatory processes and neoplasms.

However, like any garden plant, red currant requires a certain care and care. This shrub is a perennial, reaches a height of about 1.5 meters, grows and bears fruit up to 25 years. The flowering period of red currant begins approximately from the second half of May and lasts 6-12 days.

Berry ripening begins in late June or mid-July, and it all depends on weather conditions. It is not very demanding for watering, but is a light-loving shrub, requires regular cutting and thinning. In addition to high yields, red currants are also considered to be frost resistant crops.

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Diseases and pests of red currant

For currant bushes red currant most characteristic fungal and viral diseases. Consider the most common ones:

• currant reversal (terry);
• anthracnose;
• cup rust;
• septoriosis;
• sphere library

Currant reversion refers to viral diseases and is mainly found in black currant bushes, but recently there have been cases of red currant. The causative agent of this disease (kidney mite) is recorded mainly along with infected planting material.

Anthracnose - a sign of the disease is the presence of dark brown spots of indefinite forms. In the running form, the leaves dry out and the yield of the shrub sharply decreases.

Glass rust - fungal disease. Diseased leaves partially change their natural color to an orange color, and then fall off. Fruits become underdeveloped.

Septoria- also applies to fungal diseases. It manifests itself in the first summer month - currant leaves are covered with round gray spots that have a dark brown edging. After some time, traces of black specks appear on the spots (fungi with spores). If at the time not to take measures to combat this disease, all the leaves of the shrub will wither and fall off.

Sphereoteka- this disease covers the entire bush at once, it is covered with a white bloom, which eventually becomes dark brown. As a rule, the plant dies completely.

Pest and disease control of red currant

The most productive way to combat various diseases of the red currant is the effect on the shrub with fungicides, toxic chemicals and garlic solutions.

In severe cases, the treatment is repeated throughout the summer season. Many gardeners in their practice are faced with the appearance of red spots on currant leaves. Therefore, in the following we will take a closer look at what causes the appearance of these spots, and how they can be cured.

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On the leaves of currant red spots. What to do?

Very often, such symptoms determine anthracnose - a common disease of red currant, which is caused by fungi of the genus Gloeosporium. The consequences of this disease are:

• decrease in shoot growth;
• a sharp decrease in sugar content;
• significant yield reduction.

Signs of anthracnose: small red spots, which over time can grow in size and merge. Spots, which eventually changed their color to brown, may indicate a deep stage of the disease. The progression of the disease occurs mainly in the summer rainy season, as it is distributed by raindrops and insects. Favorable environment for the development of the disease is considered to be high humidity - 90% and temperature conditions above 22 ºС.

Immunity to anthracnosis in plants, as a rule, does not exist. As treatment methods, it is necessary to use for spraying before bud break (in early spring): copper sulphate or nitrafen. Also used: homycin, colloidal sulfur, 1% Bordeaux liquid, phthalan.

The subsequent spraying is carried out after a two-week break since the moment of harvesting. It is also desirable for the autumn-winter period to burn all the affected parts of the plant, and to dig up the soil twice: in late autumn and spring. Since it is in the land continue to live spores of fungi. With the reappearance of red spots the following year, the treatment of the scrub needs to be repeated.

As a radical measure, spraying of bushes is carried out with boiling water in the early spring before the budding period. This method has been repeatedly tested in practice by many gardeners and confirms its effectiveness in the fight against anthracnose. In addition to anthracnosis, red spots can also be caused by gall aphids. She settles on the leaves of the shrub and gradually sucks all its juices.

One of the popular methods, effective in combating this phenomenon is the use of a solution of laundry soap. At the same time, be sure to keep in mind that the aphid is mainly located on the back, bottom side of the sheet, so handle these places with the greatest care. Patients shoots and leaves must be cut and burn.

But some gardeners successfully use garlic infusions, which treat the affected areas of red currant. In any case, with careful care, red currant "repay" you with its high yield and large juicy berries.

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