2024 Author: Gavin MacAdam | [email protected]. Last modified: 2023-12-16 13:38
The strawberry (transparent) mite very badly damages young strawberry and strawberry leaves, which subsequently turn yellow and, wrinkling, begin to gradually die off. As a result, the plants take on a dwarf appearance, and the strawberries so beloved by many cease to delight with a magnificent harvest of ripe and juicy berries. If bushes with wrinkled small leaves of a yellowish-oily shade appear on the site - it's time to start fighting the strawberry mite
A little about the parasite
Strawberry mites are rather small insects (0.2 mm), males are one and a half times smaller than females. During one summer alone, as many as five to seven generations of the parasite have time to develop. It is very widespread in the middle climatic zone, as well as in the south of Russia.
Damp warm weather favors breeding of uninvited guests. On garden beds, they also settle almost always with the help of people, planting strawberry tendrils at the end of fruiting.
Females of enemies hibernate at the very bases of the petioles of strawberry leaves, in the middle of the bushes. In spring, they lay eggs on young leaves.
Ways to fight
Initially, for planting strawberries, it is extremely important to select seedlings not touched by ticks. Laying the next beds, it is sometimes subjected to chemical or heat treatment. It is no less important to follow the rules of crop rotation - for example, this berry crop can be returned to previously used beds no earlier than after 3 to 4 years.
Since harmful mites spread mainly with seedlings, it is quite possible to fight parasites by treating seedlings with hot water. To do this, all seedlings (especially young leaves and horns) must be placed in water for 15 minutes (its temperature should be 46 - 47 degrees). Thermotherapy should be carried out while the plants are at rest - having dug out overwintered bushes in early spring, they must be immediately warmed up by placing them in containers with running water at a set temperature (an ordinary mercury thermometer will also be suitable for measuring it). All vegetation is washed along with roots, after which, in order to relieve heat shock, it is immediately cooled in water with a temperature of 10-15 degrees. For processing, plants are either extracted with clods of earth, or, by pouring water at the required temperature, they are processed directly on the beds. It is important to ensure that water gets into all parts of the plants.
In the fight against strawberry mites, they also use the heating of the earth with the help of a small gas burner, which will not be difficult to purchase in construction stores. Before starting this procedure, all strawberry leaves are mowed at the end of fruiting (or you can simply leave the leaves until they dry completely for literally a few days, without removing them from the beds). About three days later, the land is cultivated with fire in rows and aisles, and then the bushes are abundantly watered. All subsequent care of strawberries consists of standard activities (these include regular feeding and careful weeding, as well as appropriate shelter for the winter, if necessary).
Immediately after the end of the harvest, the leaves of old damaged strawberry and strawberry bushes are mowed. The cut bushes are fed and watered, and the ground around them is loosened and mulched.
Effectively spraying berry plantings with a strong garlic broth, which should be thoroughly shed on each bush. An infusion of onion husks is also suitable - it is processed at the very beginning of the growing season, and then twice at the end of the collection of berries. For 10 liters of water, take 200 g of onion husks, insist for five days, and then filter.
Another way to combat the strawberry mite is to release predatory mites with the fancy name Neoseiulus Cuumeris onto damaged vegetation. Predators feed on strawberry mites, thereby helping to reduce their numbers.
Also in the spring, when new leaves begin to grow, berry bushes are sprayed with either phosphamide, or karbofos, or metaphos. As soon as the berries are harvested, re-spraying with these products is carried out (thiodan is also suitable). You can treat berry bushes with Fitoverm or a solution of 3% Bordeaux liquid. However, it should be noted that strawberry mites are surprisingly resistant to a fairly impressive amount of chemicals.
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