ISHS Acta Horticulturae 567: IV International Strawberry Symposium
REPRODUCTION OF STRAWBERRY IN AN UNHEATED GLASSHOUSE |
| Authors: | J. Lisiecka, R. Sygit, A. Szklarska |
| Keywords: | Fragaria x ananassa, propagation, soil-less culture |
| Abstract:
The study consisted of two experiments carried out in 1998-1999 in an unheated glasshouse. The objective of the study was to determine the influence of substrate and frequency of taking cuttings on the number of runners and runner plants and also on their crown diameter. Strawberry mother plants 'Elsanta Skierniewicka' were planted in white polypropylene bags filled with sphagnum peat and low moor peat - pine bark mixture. The bags were placed on gutters at two different heights: 120 and 165 cm from the soil. In the first experiment (1998) all the cuttings were taken at the beginning of August. One strawberry mother plant produced 12-13 runners and 22-26 runner plants. At the height of 120 cm there was no substrate influence on number and length of runners or on number of runner plants and their crown diameter. At the height of 165 cm substrate had the influence on number of runner plants. More runner plants were obtained from plants grown in peat-bark mixture than in sphagnum peat. In the second experiment (1999) cuttings were harvested 3 times (at weekly intervals) - from the second half of July until the beginning of August - or once - at the beginning of August. One mother plant gave 7-12 runners and 11-16 runner plants. The substrate had a significant influence on the number of runners and runner plants and also their crown diameter only at the height of 165 cm. Better results were obtained with sphagnum peat. At both heights, the significant influence of the frequency at which cuttings were taken on the number of runners and runner plants and also on their crown diameter was observed. More runners and runner plants were obtained when they were harvested 3 times. | |
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