Currant bushes are very susceptible to various diseases. Often appear unsightly red blisters on the currant leaves, which can be the cause of athlete's foot or the white invasion of aphids. Fungal disease anthracnose develops in the defeat leaves bitter rot or copperhead. The disease is contagious and is spreading rapidly not only to the neighboring currant bushes, but also other cultures.
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Control measures
Red bulging spots look unpleasant and frightening their views. Because it is quite a serious problem, you need to immediately begin to solve it. If you run a disease, brown spots will be distributed across the crown of the bush, gradually destroying the green mass. This can lead to death of the plant.
The first thing to do - cut off all infected branches and leaves from the wreck spots. You can not leave foci of infection, subject to destruction, even the young shoots. Then you need to carefully loosen the soil around the currant and remove all weeds. The radius should be equal treatment with the shape of the crown bush.
At the initial stages of the disease gives good results spraying Bordeaux mixture fitosporin or regular vodka. The first 2 of the drug should be diluted in accordance with the standards set out in the instructions, and treat diseased plants. it is not necessary to prepare a solution of alcohol.
Vodka poured into the container with spray and carefully sprayed leaves on the inside. Then the treated soil around the bush. Manipulation can be carried out even during the flowering currant and when there are already the ovary. After 1-2 weeks of the procedure is repeated. Sprinkle vodka is suitable for all varieties of currants: black, red and white.
In advanced cases, will have to apply more aggressive means. Optimal variant - Treatment of affected plants a solution of potassium chloride. To prepare the agents must dissolve 25 g of substance in 5 L distilled water or defended.
Gall aphid is harder to methods of struggle. Pest feeds on young leaves only. In mid-summer foliage becomes more rigid, and insects move on plants with tender leaves. In early autumn, the females grow wings, and they return to the popular among the bush.
Wintering gall aphid is taken into the plant buds. There and lay eggs. Simultaneously with the blooming of the first leaves appear on the surface and harmful insects and their larvae. They colonize currants, eating juice plants, herbs and buds. If time does not take action, the plant will die, and the aphids migrate to neighboring plantations.
First bush pluck all the leaves with signs of defeat. Also removed fallen leaves. Next, the processing chemicals. Satisfactory results are obtained by spraying the Bordeaux mixture or solution of copper sulfate. Some gardeners use a complex preparation "Spark". From folk methods use solutions based on tomato foliage, dandelion and celandine. It gives good results processing and infusion of onion or garlic husk. To a solution of staying longer on the leaves, in the means of a small amount of grated soap.
To prevent spread of the fungus or re aphids must periodically resort to prevention measures. To long to treat plants from swollen red spots, novice gardeners recommend that you choose to grow plants disease-resistant varieties.
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