Currant mite is a major pest of this culture, capable of causing the death of a large number of kidney. Harm is enhanced by the fact that he carries a viral disease currant as doubleness. Lives and develops inside the kidney tick, from whence come the young ones, settling eventually the whole plant.
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To prevent this from happening in the first place protect currants regular weeding, because the disease often goes to the culture of weeds. There are resistant varieties of currants that can long resist pests. The record for the stability of the Dove is considered a variety that even with a strong enough infected ticks gives good yield, self-purifying of the pest. This ability breeders and laid in some other varieties: Desirable, Russia, Severyanka, Fancy. But the big crop they, unfortunately, do not give.
If the acquisition of high-quality planting material has not brought the desired result, and the pest has appeared on the plant should be cut off the affected branches shears. Although ticks are small in size, it is easy to identify the diseased kidneys, t. To. In comparison with the other they are somewhat inflated. In areas of concentration can have up to a few thousand individuals. Cut branches it is necessary to burn. Sometimes it is necessary to remove and burn the entire aboveground part of the plant, getting rid of the mite in this radical way.
Vulnerable to pests only in the migration period. On healthy kidneys mite begins to move after their blooming and continues to infect the plant up to the ripening of berries. Because of this pest control has been delayed for a long period. Transmitted by ticks and new saplings, insects, birds and people who treated plants. Therefore, before planting is recommended to carefully inspect the plant material, removing the infected place.
To combat used nitrafena 2-3% solution, which is first sprayed with a plant before bud break, and then again before flowering. The next spraying is carried out in hot weather dry 1% colloidal sulfur or 0.2-0.3% solution of malathion. Affected kidneys harvested, if necessary, cutting branches and burning massively damaged material. If you do not do the processing, the bud mite disease in the bush, will weaken the entire plant that gradually cause its degeneration.
To reduce the probability of infection of neighboring plants, it is recommended to use simple farming techniques With currant bushes at a distance from each other, regularly cultivating and keeping the aisle crop rotation. New plantations berry crops should be planted only healthy seedlings are not damaged bud mite, often inspect landing for infiltrations. Upon detection of the mite use insektoakaritsidnye or acaricidal agents that affect hormone levels.
Because these substances are not as poisonous as fosforoorganika and operate less efficiently, it is necessary to treat all plants several times, making the intervals between treatments of 10-12 days. Organophosphorus products may be used after harvest. During frost, rain or temperatures below + 5 ° C Processing desired results will not bring. Among the popular methods: dousing with boiling water bush in early March, sprinkle with garlic water, sulfuric acid solution, tincture of mustard and dandelion.
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