After the cold season, roses give cause for concern.
In spring, black spots appear on the stems. Gardeners unmistakably understand that the plant is on the verge of death.
This phenomenon has a name - necrosis. It does not occur by itself. Often the gardener himself is to blame.
Dark spots on stems cannot be cured. Plant tissue has died, and the reverse process is impossible.
Some gardeners will quickly decide to get rid of damaged roses. But this is not the best option. It is still possible to save the flowers.
Necrosis occurs due to improper winter cover. For example, gardeners have noticed that the problem occurs in plants covered with polyethylene.
Damaged shoots are removed. There is no point in leaving them. After working with pruning shears, the plants are treated with a fungicide. Any preparation can be used, it is important to defeat the fungus.
Two weeks after treatment, the roses can be fed. Complex preparations will give the plants everything they need to recover.