Pine refers to plants that are very popular with gardeners who use it to create a beautiful garden design and air purification. However, lovers of this evergreen tree can face a problem in the form of pine pests and the need to fight them.
Pests of Scots pine
Insects that harm pine are subdivided into such categories: damaging roots, bark, shoots or needles of a plant. From what kind they are, and depends on how to deal with pests of pine.
The main pests of roots are the May crunch. They should be paid attention when planting, as the crunch is the greatest danger for young pine trees. It is recommended not to plant plants, if you find larvae in the amount of more than 3 pieces per 1 sq.m.
The death of a pine tree can result in the settlement of six-toothed bark beetles on it. The presence of holes in the trunks and brown coating on them testifies to their presence. Inspection is best done in the spring. When pests are detected, the trees are treated with preparations based on bifenthrin.
Pests that damage pine needles
To insects feeding needles, are:
- Pine silkworm. Represents a great danger to the plant. One caterpillar can eat up to 700-800 needles.
- Red pine sawfly. It feeds on soft coniferous tissues. As a result of the influence of young larvae, the needles twist and dry up with the formation of brown spots. If pests of older age are active, they leave in place the needles of "hemp".
- Ordinary pine sawfly. The danger of this pest lies in the fact that not only the last year's needles are affected, but also appeared in the current year. This leads to a shortening of the life span of the plant.
- Brazhnik pine. As a rule, mass reproduction is not typical for him. Nevertheless, it can significantly damage the needles.
- Pine scoop. Young caterpillars overeat tops of needles, and adults eat up pine needles entirely.
- Pine Moth. It completely eats the needles, leaving only the median rib. This leads to the appearance of resin, yellowing and needle dropping.
Faced with such defeats of plants, gardeners are wondering: what if the pest eat pine in pines? If you deal with a small number of pests, they can be collected manually. With a more extensive lesion, the preparations are treated with "Bliskavka", "Karate", "Decis", "Ankara", Angio ".
Sucking pests
The following types of sucking pests are common:
- Pine subcoron bug. When it appears on the pine, yellowish and later brown spots form. Then the bark becomes cracked, with resin streaks.
- Pine brown aphid - eats pine nipple.
- Pine hermes - is formed only on coniferous plants and feeds on their juice.
- Galician red pine. About its formation is evidence of the fusion of needles between each other at the base. They become noticeably shorter.
In response to the question: how to treat pine from pests, you can recommend such drugs: "Angio", "Mospilan", "Confidor Maxi", "Calypso" .
Pests of shoots and kidneys of pine
Pests that hit pine shoots are called "shoots". The result of their activities is the curvature of the trunks, the multicolor pine. They are exposed to trees aged 3 to 15 years. There are such types of shoots:
- wintering;
- year-old;
- smoeller;
- kidney.
If there are few pests, they can be collected manually. With extensive damage, insecticides are used: "Aktara" , "Calypso", "Mospilan", "Confidor".
Timely identification of pests and their control will promote healthy growth and development of plants.