It is an effective and low-cost way of multiplying stock. Some plant types can be cultivated in large numbers, providing natural seed from reliable origins can be harvested in sufficient quantities. The site of origin, time of harvest, quantity and vitality quality of the seed are registered. N ext to sowing, cuttings are the most attractive method. Multiplying by means of summer cuttings takes place in a greenhouse under moist conditions.
Cuttings can provide opportunities for reproduction in situations where little seed is available.
Not all woody plants are suitable for this method, however. A t the nursery a number of different 'breeding corners' are set up. These can be used at a later date as seed banks and sources for cuttings. Nevertheless, a common oak of original native origin is very rare.