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Adequate care for fruit trees guarantees their well-being, long life, and a generous, high-quality harvest.
Applying white paint to fruit trees in spring is an important part of orchard care.
Covering the trunks of trees serves a protective role. Spring sunlight can create premature bud opening, but late frosts can have a destructive effect. Moreover, heating only one part of the trunk can cause burns, which in turn leads to cracks and bark drying out. Another reason for applying this protective measure is the awakening of harmful insects. It becomes much more difficult to deal with them during the growing season, and they can cause damage.
The question of how to cover the trunks of trees is relevant for many gardeners. For this procedure, you can use lime whitewash or a special mixture consisting of glue and copper sulfate.
The painting is carried out in February or early March, when the tree trunks can warm up to 11°C during the day, which can cause premature sap movement. At the same time, night temperatures at the end of winter and the beginning of spring can sometimes drop to -10°C, leading to sap freezing, tissue damage, and crack formation. White paint on the trunks and large branches reflects sunlight, prevents bark overheating, and unwanted early tree awakening.
All preparatory work and the painting process should be carried out only in dry weather.
Before starting the painting, it is important to perform the following actions:
- clean up debris from the soil under the tree; cover the ground with plastic sheeting in the crown zone to prevent diseased bark, moss, lichens, and overwintering pests from getting onto the soil;
- if the bark tightly adheres to the trunk but there are deep cracks, carefully clean the crack with a stick with a rounded or pointed end and fill it with garden varnish or similar compounds.
- carefully inspect the trunk and all woody branches, fill holes and cracks, and perform the necessary pruning of the tree crown;
- collect debris from the plastic sheeting and burn it away from the orchard.
After properly cleaning the trunk and branches, it is important to disinfect the treated surfaces. Disinfection should only be done in dry weather. If it starts to rain after treatment, the procedure will need to be repeated.
Disinfection is carried out using a fine sprayer. This method is preferred over covering the bark with a disinfectant solution, which may slide off smooth bark and not penetrate into cracks.
