The Zimbabwean Gardener Issue 12 Autumn 2015 High res | Page 24

In the rose garden GRAFTING ROSES with Gil Grafting is the preferred method of propagating most rose varieties. Several techniques have been successfully developed over time: in this article we will discuss a method of chip-budding which, in our experience, consistently yields good results. The ‘underground’ portion, referred to as the rootstock, provides the root system for the plant. Grafting is the method by which tissue or plant parts from both the scion and rootstock are joined together resulting in a single grafted plant. Why the need for a rootstock? As mentioned above, garden rose varieties are selected mainly for the way they grow, but more importantly their characteristics that impart such beauty to their blooms, with little or no regard for their rooting ability. Rootstock varieties, on the other hand, are selected for their vigorous, healthy root systems, some of them being resistant to serious soil pests and diseases. We can therefore confidently expect the root systems of grafted plants to be uniformly vigorous and healthy. Harvesting rootstock canes It is common practice in Zimbabwe when planting a rose bush to keep the bud union above ground level to prevent the sc [ۈ