Various diseases of the red currant and their control
Red currant berries can be called a sourcehealth, since the content of pectin in them is very high. Red currant is used in the treatment of gastrointestinal diseases, as well as to reduce the risk of various neoplasms and inflammatory processes. That is why most gardeners consider her a queen of berries and are happy to grow on their plots.
With proper care, the bush reaches a height1,5 m, it can bear fruit up to 25 years. The plant is not particularly demanding for irrigation, but it refers to photophilous bushes, it needs constant thinning and circumcision. Like other garden crops, red currant is susceptible to many diseases. The fight against currant disease should be conducted in a timely manner. Otherwise, shrubbery may occur.
Fungal red currant diseases and control
Spheroteka (powdery mildew) develops afterThe way the shrub buds. The tops of shoots, leaves and still immature berries are affected. They have a characteristic white coating, then drying and dying of the affected areas occurs. As soon as the first signs of this disease appear, the plant should be sprayed with the following solution: 50 g of soda ash and 50 g of soap per 10 l of water.
Septoria (white spotting) affects shoots andleaves. On them appear round spots of gray color, in the middle of spots - dark dots. The affected plant must be treated with a Bordeaux mixture (1% concentration). The first treatment is done before flowering, and the second - immediately after harvesting. The causative agents of the disease can safely spend the winter on fallen leaves, so they should also be collected and burned.
Anthracnose affects the stems, leaves and shoots, which then dry up and crumble. Fight this disease should be the same as with septoriosis.
Viral diseases of red currant and their control
Reversion (max) - this disease inmostly exposed to black currant, but recently it is observed on the red currant. In diseased plants, the leaves become shallow, narrow, purple. In addition, they lose their characteristic odor. Makhrovost can be brought in by infected saplings, it is also carried by aphids and a mite. The most effective method of fighting this disease is prevention. To do this, in spring, before the buds are dissolved, the plant should be carefully inspected. If the kidneys are infected with a tick, they are enlarged in size and round in shape. Such kidneys must be cut off and burned. But if there are too many of them, then the whole escape is cut off and destroyed. After that, the bush is sprinkled with colloidal sulfur (50-100 g per 10 liters of water), it should be done before the flowering begins. The second spraying takes place after the flowering of the currant. Another excellent effect is the treatment with carbophos (75 g per 10 liters of water), tinctures of tobacco, garlic and dandelion.
Pests that cause red currant diseases, and control them
Spider mite - another cause of the diseaseshrub. They are quite often affected by red currants. Diseases and pests in general are very closely interrelated, since the latter are direct pathogens. The spider mite lives in the lower part of the mature leaf. Especially actively it multiplies in a dry, hot weather. The leaves affected by this pest are covered with cobwebs on the underside, and light points appear on the upper side of them. To fight apply infusions of tobacco, garlic or onion husks. Spraying is carried out before the flowering begins. Pay special attention to the inside of the sheet. In autumn all the fallen leaves should be removed and destroyed, and the ground around the plant to dig.
Aphids are another pest of red currant. If you find that the currant leaves are affected by aphids, then they need to be cut off and burned. And with a strong defeat completely removed and destroyed shoots. To avoid attacks of aphids, it is necessary in the spring, even before bud blossoming, to process the plant with tinctures of garlic or tobacco. The procedure must be repeated after 10 days.
Currant glass and narrow-bodied grass - moresome pests of red currants. If you notice that shoots on the bushes dry for no reason, then most likely your plants are affected by these insects. This is easily seen by cutting dry shoots along. Discover the presence of larvae - then the bushes are affected by pests. To get rid of them, you need to spray the shoots with emulsion of carbofos (emulsifying concentrate). This should be done 20 days after the currant blossoms.
After all this, you might think,that red currant disease and fighting with them - too troublesome occupation. But in fact, everything is much simpler. Currant is a unpretentious and productive crop. Pay attention to it in the spring and autumn, treat for prevention, and your plants will please you with a constant, abundant harvest.
