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With grafted garden roses it occasionally happens that wild shoots form below the thickened aeration plant. To understand what wild shoots are, one has to know that a grafted rose is made up of two different plants: In early summer, the rose gardeners push a bud (an "eye") of the noble variety at ground level behind the cut bark of a wild rose. It is used in this propagation method, also called Okulation, as a processing document. These are usually one to two year old seedlings of special selections of the dog rose (Rosa canina) or the multi-flowered rose (Rosa multiflora).
These seedlings are used by specialized growers only for the purpose of rose processing and selected according to criteria that do not play a role in garden roses: It is important, for example, that the bark for the oculation easily peel off and that the plants on all types of soil form a strong root system,
The wild shoots are removed directly at the root neck
As soon as both parts of the plant have grown together, the new bud sprouts. Subsequently, the crown of the wild rose is completely removed above the new noble shoot, so that only the root and a piece of the so-called root neck remain of the processing base. From the young budding a new crown is then used.
After a few years in the bed of roses, the treatment paper sometimes goes through again. The new shoot does not bear the genome of the noble variety, but that of the wild species. Therefore, he looks different and usually grows much stronger than the other rose shoots. It is important that you remove wild shoots as early as possible, because they can become so strong over time that they displace the shoots of the noble variety.
Remove wild shoots permanently
So the wild shoots are exposed for removal. Incidentally, even Hochstammrosen form wild shoots
When removing the wild shoots, proceed as follows: First, dig the root neck of the rose freely so that the point of attachment of the wild shoot can be easily reached with the pair of scissors. Then place the secateurs so close to the root neck that the ring-shaped bulge on the stem - the so-called Astring - is also removed. It contains dividable tissue and can produce new shoots after just a few years.
Rose professionals do not cut off the wild shoots, but simply tear them out. This admittedly somewhat brutal method has the advantage that the Astring is completely removed. To avoid larger bark injuries, first cut the bark below the wild shoot with a sharp knife horizontally and then tear off the shoot with a strong jerk down.
Incidentally, wild shoots occur not only in roses, but in almost all ennobled plants. They are particularly easy to identify in the corkscrew hazelnut, because the wild cane rashes are not corkscrew like the wild turned, but dead straight. You have to take a closer look at the roses: in most cases, a precise comparison of the leaves and bark is sufficient to detect a wild drive. If you are not sure, you should just wait for the flower: Wild roses always have white to pink, simple flowers, while the flowers of most grafted roses are filled.