ISHS Acta Horticulturae 570: VIII International Symposium on Flowerbulbs
GROWTH DYNAMICS AND DECORATIVE VALUE OF 'EASY POT' POTTED FREESIA DEPENDING ON THE GROWING CONDITIONS |
| Author: | L. Startek |
| Keywords: | potted freesia, corms, dormancy, storage, fertilization |
| Abstract:
Comparative studies on four cultivars of potted freesia: ‘Pinokkio’, ‘Popey’, ‘Smarty’ and ‘Suzy’ were conducted in the years 1997-98. From January to June freesias were grown in a greenhouse and after the harvest the corms were stored from 5 to 11 months at the temperatures: 0.5-3º C, 14-18º C and 28-30º C. Five corms were planted in a pot into neutralised sphagnum peat. The following fertilization methods were applied: 1. slow-release fertilizer Osmocote Plus 5-6 – before planting; 2. popular, traditional fertilizer, Azofoska – before planting; 3. liquid fertilizer Multivit Plus –top-dressing; 4. no fertilizer. Corm preparation before planting was found to have the greatest effect on the growth and development of the plants. The best results were obtained when the corms were stored 12- 14 weeks before planting at the temperature of 28-30º C. The plants fertilised with Osmocote Plus at the dose of 5g /dm3 had the most abundant flowering ‘Popey’ and ‘Suzy’ turned out to be the most effective cultivars. | |
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