Cherries are trees that produce tasty, well-liked fruits. Unfortunately, these are also trees that are susceptible to pest attacks and cherry diseases. Onlycherry spraying , performed regularly every year, can save us from damaging the fruit. Seewhen to spray cherriesfor worms, aphids and the diseases that most often attack these trees. Download for freecherry spraying calendarfor diseases and pests!
We spray cherries, among others. against brown rot and bacterial cancer
One of the most dangerous pests attacking sweet cherry fruits is the earthworm (Rhagoletis cerasi), which causesworming cherry fruitIt is a 4 mm long fly that lays eggs in ripening flesh sweet cherry fruits (usually when the outer skin of the fruit changes color). When the larvae hatch, they feed just under the skin of the fruit and then bite deeper, closer to the stone.
The firstprophylactic sprays against seeds should be sprayed right after the cherry blossomSpray 2 or 3 times every 14 days with Decis 2.5 EC or Mospilan 20 SP. When we notice the first emergence of tiny flies, we start spraying 7 days after noticing flying flies. For each large tree (depending on the size) we use 15 to 20 liters of liquid containing an insecticide.
To accurately determinethe deadline for spraying cherries for wormsit is worth burying pots with wormy cherries in the ground.Fill the pots with soil and wormy cherries, then bury them in the ground to a depth of about 30 cm and leave them for the winter. In May of the following year, we cover the place where the pot is buried with white agrotextile so that the hatching flies do not escape. We check the flies on a daily basis. If they appear, we performworm spraying in cherries
Cherries are particularly fond ofcherry aphid(Myzus cerasi). This species of aphid sucks the juices from shoots and leaves, causing them to stun growth. The cherry leaves wrinkle and the top shoots (especially in young sweet cherries) dry up. Honey dew secreted by aphids is usually covered with seedlings (fungi covering the leaves with a black coating), which favors the development of fungal diseases.We spray the aphids before the flowering of our cherry varietyWe use Mospilan 20 SP. We also spray when we notice aphids on young growths.Forcherry aphid sprayingto be effective, trees should be very thoroughly decoupled with insecticide spray.
Cherry cancercauses the flowers to turn brown and dry. There are also spills of an orange-colored gelatinous substance, clear thickenings and cavities in the bark on the branches and limbs. Brown rot spots appear on the leaves and fruits of infected trees.
To prevent this dangerous diseasespray cherries during bud swelling, before flowering, after fruit harvest and after leaves fallWhen leaves fall, spray twice - at the beginning of leaf fall and under the end with only a remnant of leaves remaining on the tree at the top of the crown. All treatments are performed with Miedzian 50 WP. We cover the trees thoroughly, keeping in mind that the spraying is done in windless weather, preferably early in the morning or in the evening, when the sun is not shining.
The brown rot of stone treesmanifests itself as putrefied, brown spots on the cherry fruit. Cherry fruits rot on the tree, then deform and dry up in the form of dark brown mummies.We fight the disease before the cherry blossomSpray the spray with Miedzian 50 WP, Topsin M 500 SC, Signum 33 WG or Switch 62.5 WG. As you can see, the choice ofpreparations for spraying against this cherry diseaseis quite large. We should also remember that before spraying, cut the previously infected cherry shoots.
Cherry scabis a disease caused by the fungus Venturia cerasi. There are 2 mm spots on the fruit (sometimes also on the shoots and leaves). Older spots look as if the fruit was damaged by a hailstorm.The cherries are sprayed while the buds are swelling, before the flowering date, after the fruit harvest and after the leaves fallwith the Miedzian 50 WP preparation.
Fine spot on stone trees As a result of infection with this disease, brown spots appear on cherry leaves rather quickly, which over time cover most of the leaf surface. Infected leaves turn yellow and fall off. To prevent disease development, spraycherries right after floweringwith Topsin M 500 SC. We repeat spraying every 7 days.
Another cherry disease is sometimes confused with fine spots -holes in stone tree leavesIt manifests itself in dark, round spots on the leaves, which crumble over time, as a result of which small holes appear in the leaves. In the fight against this cherry disease, it is recommended to spray Topsin M 500 SC before flowering.
Summarizing the topic of spraying against cherry diseases , it is also worth paying attention to the fact that Topsin M 500 SC appears quite often among the protection measures mentioned above. It has quite a versatile effect, but also, according to the current registration, this agent should not be used more than once a season (due to the resistance of pathogens to too often used preparations).This can complicate things a bit and forces us to choose onebest date for spraying cherries with Topsin
That is why it is also worth using ecological plant protection products prepared independently on the basis of weeds and herbs and ready-made natural preparations, available in stores, such as, for example, Biosept Active and Lecitec. I would like to draw your attention here especially to Lecitec, because it also firms the skin of the fruit and thus prevents the cherry from cracking on the tree. This in turn improves the quality of the crop and at the same time reduces the risk of disease penetration through cracked fruit.
The cherry spraying calendar is presented in a practical table. Below the table there is a link to download the calendar in a printable version.
Download a printable version:
Eng. landscape architect Piotr Moliński