Who among us does not like to crack a sweet and juicy cucumber from his own garden? But the trouble is that cucumbers to taste not only truckers, but also a variety of insect pests . So for cucumbers growing in a greenhouse, the real trouble is an invasion of a spider mite - almost invisible to the eye, but a very voracious and rapidly multiplying parasite. How to deal with a cobweb in the greenhouse on cucumbers, our article will be devoted.
What is dangerous spider mite?
What is a spider mite? This is a miniature (from 0.3 to 2 mm) pest that affects the leaves of the plant and feeds on its juices. Externally, the first signs of the defeat of the greenhouse by a spider mite look like small white dots on the leaves, merging then into large necrotic spots. In process of defeat the plant withers and soon dies. Spider mites with cosmic speed multiply - each female is capable of laying about 400 eggs per clutch, repeating in one season up to 20 clutches. Thus, if you do not show proper vigilance in a short time, the infected mite is already the entire greenhouse. It should be noted that the viability of eggs of spider mites persists for 5 years.
How to get rid of mite on cucumbers?
Determining for yourself how to get rid of a tick on cucumbers, one should take into account its peculiarity, which makes fighting with it quite difficult - a high degree of adaptability. In the fight against the tick, shock doses of chemical preparations have to be used, since their smaller number leads to the fact that the mites get used to the active substance and it ceases to act on them. Folk remedies, such as processing cucumbers with decoctions of various plants, serve rather not for destruction, but for repelling this pest.
Than to process cucumbers from a spider mite?
To combat the spider mites are used drugs of the group of acaricides. The most popular of them are the following:
- "Akarin" is a preparation of gastrointestinal action that kills mites after getting into their digestive system. It retains its effect for 4-8 hours after spraying, and the plants remain unsafe for humans for another 3-4 days.
- "Fitoverm" - a drug that is low in toxicity to humans and animals on a plant basis, killing not only ticks, but also other sokososuschih parasites. Keeps active for a week after spraying.
- Apollo is a drug that affects eggs and larvae of various mites, as well as sterilizing adults. Malotoxic for humans and pets, as well as for bees and other flying insects.