Insecticides - cherry spraying

Cherries are one of the most popular orchard trees that we choose for our gardens and allotments. No wonder the fruit is not only tasty, but also looks beautiful. There is a wide range of cherry varieties on the market, so everyone will find something for themselves. Obtaining a large crop of fruit from this species is not so easy. 

Cherries are liked by pests that can decimate our plantation. In addition, in order to obtain good quality fruit, we must provide the plant with appropriate growing conditions, the weather during the entire growing season is also quite important. Unfortunately, we have no influence on weather conditions, but it is worth adjusting care treatments so that our cherry tree feels as good as possible.


General rules for spraying cherries with insecticides

When it comes to spraying cherries against pests, the principle is similar to spraying, for example, against fungal diseases. We must regularly inspect our plantation so as not to lead to a state where the tree cannot be saved. Then no sprays will help. Let's try to get to know our plantation thoroughly and consider what pests may appear on it and use preventive rather than intervention spraying. Cherry spraying procedures should be performed in a protective suit, gloves and glasses. It is very important to follow the proper health and safety rules. The chemicals used to spray cherries are really corrosive. Let's try to spray when it is not going to rain or when the air temperature is high. Equally important is the development phase in which the plant is located. All grace periods given to us by the manufacturer must be adhered to. Before spraying, read the label carefully and follow it.


Insecticides and the most common cherry pests

thrush seed moth

cherry-hug aphid

spider mites

drupe flower

acorn beetle

Cherry spraying against seed moth

The black cherry fruit moth is one of the most dangerous cherry pests. It is a fly, whose larvae, laid in the form of eggs from May to June, bite into the flesh of the fruit, causing them to rot and become worm-eaten. To prevent egg laying, it is worth hanging yellow sticky traps in your garden from May, which will help in catching adult specimens and prevent them from laying eggs. Sticky boards are hung at a height of about 1.5-1.8 m, in sunny places. Counting the flies caught in a sticky trap is very important because it helps us to assess when it is worth using a chemical spray.


There are two groups of preparations used to combat this insect, pyrethroids and chloronicotinyls. An example of the former is, for example, Bulldock 025 EC, but it works only on contact with flying flies, it does not fight eggs and larvae hatching from them. But it has the shortest, only 7-day grace period. The recommended dose is 0.3 l/ha. Seed flies usually do not damage the fruit in the first week of ripening. If we have late-fruiting cherries, then we need to perform about 3-4 treatments to get a satisfactory effect. The second group of preparations is, for example, Acetamip 20 SP - it works on the surface, in depth and systemically. Only 1 spray of this preparation is recommended during the numerous appearance of midges and their egg laying. The recommended dose is 0.124 kg/ha.


Cherry spraying on aphids

Aphids are one of the most common pests of all plants. As for the stone ones, they are usually attacked by the cherry-hug aphid, a small black-bodied bug. It is worth looking for aphids inside the shoots on young leaves at the beginning, they have the most juice, which the mentioned bugs love. When preventing the appearance of aphids, it is worth using organic sprays with a decoction of garlic or nettle at the beginning. Such spraying is non-interfering with the environment compared to chemical spraying. However, if there are a lot of aphids and a large amount of damage is already visible on the plant, this treatment will be ineffective. Among the registered chemical preparations is Mospilan 20 SP. The recommended dose is 1.25 g per 100 square meters. The grace period is about 14 days, the treatment must be repeated several times. It is recommended to spray after the period of increased activity of bees.


Cherry spraying for spider mites

Spider mites are also very unpleasant pests of orchard plants, including sweet cherries, the dominant species on them is the hop spider mite. Wintering females, after leaving their hiding places, feed and lay eggs. The best time to control the spider mite is in July and August, unfortunately there is currently an unregistered insecticide on the market that can be used after flowering. Before the flowering period, you can fight another species of fruit spider mite, e.g. with Apollo Plus 060 OF. The recommended dose is about 3 l/ha. The preparation works on contact, gets rid of eggs and larvae. It is not effective against adult forms. Therefore, to fight against spider mites, it is better to focus on ecological protection with paraffin oil. You can buy ready-made products, for example: Treol 770 EC oil-based, it is really effective.


The drupe flower are beetles whose females lay eggs in fruit buds, and the hatching larvae eat the inside of the stone kernel. As a result, the flesh is also damaged, rots and is not suitable for harvesting. The first spraying of cherries should be done when beetles appear from the so-called white bud until the end of flowering. For this, e.g. Bulldock 025 EC is recommended. If in the previous year we observed a flower beetle in the next growing season, spraying is necessary because the beetle will certainly visit our plantation again. The recommended dose is about 0.2 l/ha. The exact description of the procedure is on the packaging.


Cherry sprays against the bark beetle

The acorn leafhopper is another pest that likes cherries. These are butterflies whose caterpillars are very dangerous for leaves, buds, fruits and flowers, leaving a pale crumb at the place of feeding. The caterpillar, as the name suggests, also feeds on rolled leaves. After some time, the wounds heal and bark, thus the fruit completely loses its commercial value. It is best to spray when the caterpillars hatch from the green and pink buds. An example is the SpinTor 240SC. The preparation has a contact effect, it also fights eggs. The recommended dose is 3.2-4 ml in 2-12 liters of water per 100m.


It is worth mentioning that in order to plan cherry spraying treatments on your plantation, you need to carefully inspect it. Only examples of registered insecticides have been mentioned above. To use the currently registered preparations, it is worth going to the website of the State Plant Protection Inspection where the preparations are updated on an ongoing basis. If we take care of cherry trees, we provide them with appropriate soil and habitat conditions, then the fruit repays us with the same. Unfortunately, pests can attack cherries because there are host plants around where pests overwinter. Therefore, it is worth examining not only the cherry trees themselves, but also the plants accompanying them.

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