Spider mite is pestparasitic on plant leaves. The female tick can have up to 1 mm in length, the male is 2 times smaller. These arthropods are most often milky white, but red, green, or orange individuals are also found.
They are usually striking bottom side of the sheet - at first it is covered from the bottom with white dots, then the pest begins to weave a web and rapidly multiply.
Ultimately, the web may cover several neighboring leaves, and at the edges a stirring mass of tick bodies and their excrement accumulates. At the same time the sheet dries, the plant loses microelements necessary for growth.
Fighting this parasite is usually comprehensiveand its methods depend on which plant was affected, at what stage the infection is and on what phase is the plant now (bloom, vegetation, etc.). In this article we will look at how to cope with a spider mite on a berry.
On grapes
Spider mite on grapes - photo:
Pest infects grapes quite often. Spider mite on grapes - how to fight? Methods to combat this pest include complex of chemical and agrotechnical measures:
- Weed removal. This is a very important point, since most species of spider mites overwinter on the remains of the plant, and with the arrival of spring it begins to multiply rapidly on neighboring weeds. That is why weed plants should be removed immediately as soon as they appear.
- Eradicating spraying.
- With the arrival of autumn, after the foliage has completely fallen, the grapes are sprayed drug DNOC. This can be done in the spring, the main thing is to have time before buds begin to blossom.
- When a tick appears during the growing season, the grapes can be treated with special acaricides, among which Sunmite, Omite, Demit. The treatment of plants with these preparations should be carried out only if the number of parasites has reached the economic threshold of harm - for grapes it is 5 individuals of a tick per leaf.
- Folk means of dealing with spider mites. Among them are various decoctions onion peel, garlic, dandelion. Spraying of such compounds produced in the spring, before bud break.
On raspberry
For raspberry this pest especially dangerous - during the drought, crop losses can be up to 70%.
There are several ways to deal with spider mites on raspberries:
- Meticulous removal of weeds and fallen leaves - tick females hibernate on them.
- Spraying bushes urea solution. This method is more likely to prevent infection. This should be done in the spring, before the buds begin to bloom.
- Processing raspberry bushes Fufanon. It is used with a strong defeat of the bush.
- Treatment Acrex or Aktellik. Produced after picking berries. If the infection is severe, two sprays may be needed. In this respect, Acrex is stronger than Actellic.
Spider mite on raspberry - photo:
On currants
Spider mite on currants - how to fight? To get rid of the pest on currant bushes in the following ways:
- In the spring, when the buds bloom, spray acaricides - Antioto, Metaphos, Akartan, Zolon, Vafatoksom, Phosphamide, colloidal sulfur or any other.
- On the eve of currant flowering, if the defeat of the bushes is strong, should be made re-spraying.
- It is necessary to clear the space around the bush from fallen leaves and weeds, as well as from time to time to dig the soil - this helps to reduce the population spider mite.
- Spraying infusion of onion peel once in 5-7 days.
Spider mite on currants - photo:
On lemon
The lemon tree most often affects the red spider mite. is he feeds on sap of young leaves, and at first it is quite difficult to detect it. Spider mite on lemon - measures to combat it:
- Spraying wood gray.
- Spraying acaricides. Used on an industrial scale. If lemon grows at home, it is better not to process chemicals with it.
- Leaf processing soap solution. Each sheet is wiped with a sponge dipped in solution. Special attention should be paid to the underside of the sheet. To prepare the solution is best to use natural soap.
- Leaf processing alcohol solution. For this fit the usual medical 96% alcohol. Before treatment, be sure to remove all damaged parts of the plant. A week later, the procedure is repeated.
- Processing 35% Sulfaride paste.
- Tick control with ultraviolet. This pest does not tolerate ultraviolet radiation (and therefore it is placed mainly on the underside of the sheet). In order to destroy it, a tree is placed under a special lamp for one and a half to two minutes.
Spider mite on a lemon tree - photo:
On strawberry
How to deal with spider mite on strawberryYou will find out by watching this video:
Spider mite on strawberry - photo:
About an effective and harmless method of processing berries from spider mites and other pests in this video:
Summary
A spider mite is a rather unpleasant pest, with which it is better to be proactive.
Modern means of dealing with spider mites have shown high efficiency in the fight against the parasite, however, the prevention of spider mites is much more profitable economically and requires less labor.
