Kidney tick is a small arthropod, which is planted on currant bushes and eats freshly opened buds. It feeds on the juice of the kidneys, is able to winter in them, and in the spring continue to parasitize on the plant. If you do not start the fight against the pest, not only the crop, but also the bush itself can die. Therefore, we process tick currants correctly, using biological methods and specialized means.
How to identify a gall tick
The parasite is a microscopic insect whose length does not exceed 0.2 mm. 3-5 thousand parasites can live in 1 kidney. In early spring, they lay their eggs, and after 1-2 weeks, new larvae begin to eat the plant. During flowering, ticks move to currants and neighboring plants. Timely recognition of infection will help preserve the crop and the bush itself. When spring care for the plant, you need to pay attention to the size of the buds. Infected conception shoots will be increased, they can reach the size of a large pea.
Ticks are carriers of viruses and infections, so affected plants change the color of leaves and shoots. At the currant, the young shoots become lighter, the leaves on them are coarser, and the new stems become thin and acquire a reddish tint. They do not bloom and bear fruit, and they draw all the nutritious juices from the bush. The fungus and viral infection that the insects brought is very difficult to remove, often the issue is solved by pruning most of the bush.
After the detection of parasites, it is necessary to carefully examine neighboring plants, because the tick is carried by birds and with the help of wind.
How to deal with a kidney tick
First of all, it is necessary to determine at what phase of development insects are. Biological and chemical effects will be ineffective for laying eggs, so you need to wait until they hatch. This is considered the most suitable time to destroy the entire population from the bush. The younger generation is still weak and amenable to the effects of insect acaricides.
To enhance the therapeutic effect and guarantees for the removal of pests, it is recommended to combine different methods of control.
Pruning shoots and buds
In the spring, when the buds begin to bloom, the infected shoots are cut and burned to prevent the infection from spreading to healthy plants and trees. During this period, the currant manages to put forth new strong stems that will continue the life of the bush. Ticks and larvae do not remain in the soil.
Treatment of bushes with drugs
Chemicals are used immediately after removing the affected kidneys of currants or instead of pruning. Insectoacaricides, such as Apollo and Kontos, are used every 10 days before the flowering of the bush begins. Blooming flowers can not be processed. Spraying with the drug should be carried out on warm and calm days, when the temperature is above + 5 … + 7 ° C. The compound, which contains phosphorus, can be used only in the fall, after harvesting. Even in this period, it is allowed to use any acaricidal agents.
Biological preparations are allowed to be used during flowering and fruit setting. They do not contain hazardous chemicals that will harm the plant or human. The most popular among them are Actofit and Fitoverm.
Spraying is carried out once a week for a month. For processing, choose calm, dry days with an air temperature above + 20 ° C.
An effective remedy for ticks is hot water. The procedure is carried out before the buds open. Water temperature should be + 75 … + 80 ° C. For 1 adult plant, about 10 liters of fluid will be required. High temperatures affect adult parasites and eggs. If ticks are found when the currant has already blossomed, then a solution of sulfur and lime or colloidal sulfur can be used. A bucket of water will require 60-75 g of powder. Such a composition is allowed to be used for fruiting, it does not affect the quality of berries.
At any stage of growth and development of currants, infusion of garlic, mustard or dandelion is allowed. Take 200 g of the ingredient in a bucket of water and insist for 2 to 8 hours.