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C2850 - BEGONIA SEMPERFLORENS, BEGONIA SEMPERFLORENS-HYBRIDS, WAX BEGONIA
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'Cocktail'
The 'Cocktail'TM begonias are the best selling fibrous series world wide. The bronze leaf 'Cocktails'TM set the standard for excellence and landscape performance. The deep bronze foliage of the 'Cocktail'TM series contrasts beautifully with bright, showy flowers. The 'Cocktail'TMs are 6-8 (15-20 cm), very durable and thrive in full sun or partial shade.
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TECHNICAL INFORMATION |
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| Life Cycle: | |
Annual
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| Sitelocation: | |
Sun - shade
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| Garden Height: | |
23 cm
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9,06 inch
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| Garden Width: | |
18 cm
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7,09 inch
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| Crop Time: | |
13-15 weeks
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| Seed Form: | |
Raw & Pelleted
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| Seed Count: | |
90909 K/g
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| Sowing Method: | |
1-2 seeds/pills per plug
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| Germination: | |
Stage I: 5-10 days at 21-23 °C with a relative humidity of 95 % or higher,
Stage II: 10-14 days at 20-21 °C,
Stages III and IV: 18-20 °C in media with very low soluble salt levels and pH 5.5-6.2.
Requires light for germination. Do not cover seeds. In winter supplemental light
(50 Watt/m2) is recommended, minimum day length should be 12 h.
Maintain uniform soil moisture. Do not allow young seedlings to dry out.
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| Growing On: | |
5-7 weeks after germination transplant
1 plant into a pot (8-9 cm) or pack.
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| Media: | |
Use a well-drained, growing substrate, pH 5.5-6.2.
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| Photoperiod / Light: | |
Long day plant. In winter supplemental light (50 Watt/m2)
is recommended for good plant quality. Minimum day length 12 h.
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| Temperature: | |
Grow at 17-19 °C. Before selling harden plants at 7-10 °C and
get them used to UV light. Begonia semperflorens does not tolerate frost.
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| Fertilization: | |
Moderate fertilization levels are required. Fertilize weekly with 100-150 ppm
nitrogen, using a complete balanced fertilizer. High ammonium and high nitrogen levels cause
big foliage. Avoid pH above 6.5, as high pH causes iron deficiency. Apply Fe-chelate if chlorosis
becomes a problem. Avoid high salt levels in substrate.
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| Cultural Hints: | |
Monitor for fungus gnats and shore flies in the moist plug trays and treat
appropriately. During cool dark periods watch for signs of Botrytis and Phytophthora.
If temperatures rise, treatments of Cycocel are effective growth regulators.
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* Germination Stages (from seed to finished young plant)
| Stage I: | Starts with the radicle breaking through the testa. The roots are touching the medium. Ends with fully developed cotyledons. |
| Stage II: | Starts from fully developed cotyledons. Ends with the fully developed true leaf or true leaf pair. |
| Stage III: | Starts from the fully developed true leaf or true leaf pair and ends with 80% of the young plants being marketable. |
| Stage IV: | All young plants are ready for sale and in the process of being hardened off. This stage lasts about 7 days. |
Hint
The cultural recommendations are based on results from trials conducted under Central European conditions. Different conditions in other parts of the world may lead to deviations in results achieved.
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