Spider mite is one of the mostcommon pests of plants. This, like all pests, is a rather small insect. The female is larger and reaches a length of about 0.5 mm. The spider mite male is smaller and thinner, it is only up to 0.4 millimeters in length.
When creating unfavorable conditions for developmentof this insect, females can go to diapause for a long time. After the onset of a favorable situation, they again begin to eat the juice of the plant and actively lay new larvae. Gradually, females change color and become almost invisible on plants. Under normal conditions, females are about three times larger than males.
Laying eggs the female can both on the top, soand on the lower surface of the leaves. The most intense spider mite multiplies at an air temperature close to 30 degrees. After the onset of a significant drop in temperature, which occurs in the autumn, mites can migrate to weeds. During the year can develop from 6 to 10 generations of the pest.
Usually the care of females in diapause occurs when the light day is reduced to 14 hours and less. They usually hibernate under various plant remnants or in the upper layers of the soil.
Spider mites can spread in various ways. For example, it can be carried by an animal or a person, and also it is carried by the wind or moves independently.
Typically, the mites affect both indoor plants andand various vegetable crops. At first this species of pests settles on the lower leaves, but gradually moves upward, to younger shoots, flowers, and then to fruits. If the density of the spider mite is very high, then the plant may die. But usually the presence of this pest leads to a decrease in yield or to a general weakening of the plant.
The main signs of presence on the plantA spider mite is the appearance on the underside of leaves of dark brown or black spots - this is the excrement of this insect. On the top of the leaf, small spots usually appear, which have a yellowish color. Gradually the discoloration of the defeated sheet takes place, it is covered with a web, then it falls off. On the remaining web, mites migrate to other parts of the plant.
Spider mite on a room rose
If the air in the room is strongly overdried and hashigh temperature, this creates favorable conditions for the appearance of ticks on a room rose. Settled on this plant, a colony of mites quickly sucks the juice from the leaves, and they gradually fall off. To prevent the appearance of ticks, especially in the period of active vegetation, it is recommended to constantly monitor the influx of fresh air into the room where the rose is located, and also to periodically spray the leaves. It is also necessary that the room has moist air. If its moisture content is insufficient, it is necessary to carry out artificial moistening and irrigation of indoor plants, which it is recommended to do.
If a spider mite on roses still appeared, thenshould be sprayed on the leaves with a warm solution, the temperature of which should be about 50 degrees. The solution is prepared very simply: one liter of water takes about 20 grams of liquid soap. With the same purpose, you can use infusions of various plants, for example, onions or garlic. If a single spray does not give the desired result, then it is necessary to re-spray it. If traditional methods of combating this pest are ineffective, then chemical means can be used, neuron is one of them. It is necessary to carry out two or three sprayings with an interval of 5-7 days. Release the plant from a spider mite before it enters the rest period. If on the plant you leave to winter with mites, then in the spring they will start to damage it again.