ISHS Acta Horticulturae 424: II International Rose Symposium
THE EFFECT OF ROOTSTOCK QUALITY ON STENTING SUCCESS OF ROSA CANINA |
| Author: | J.A.M. Kromwijk |
| Abstract:
Grafting a leafy scion onto an unrooted piece of an aerial shoot of a rootstock ('stenting') avoids infection with soil-borne fungal diseases or nematodes. As stenting of roses on selected clones of Rosa canina 'Inermis' gave fluctuating results, research was started to increase the yield of successful stentlings. Pieces from the lower part of a shoot of the rootstock gave higher rooting percentages than pieces from the upper part of a shoot. Rooting percentage slightly increased if rootstock stem pieces were cut just below a node. Rooting percentage also increased when a leaf was still attached to the rootstock piece, but (undesired) shoots grew easily from the axillary bud. Stenting results varied with the different 'Inermis' clones. Within a clone, the rooting percentage differed in summer and winter. | |
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