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L6540 - DORONICUM ORIENTALE, LEOPARD'S BANE
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'Little Leo'
Compact bushy habit, 5 cm flower heads, double skirt of ray florets, especially intense color, for field and early pot production.
** Benary Specialties **
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TECHNICAL INFORMATION |
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| Life Cycle: | |
Biennial
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| Sitelocation: | |
pots, perennial beds
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| Garden Height: | |
25 cm
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9,84 inch
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| Flower Size: | |
5 cm
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1,97 inch
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| Natural flowertime: | |
April - May
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| Crop Time: | |
Plug crop: 6-8 weeks; Green pots: 12-14 weeks; Flowering pots: 10-12 months, including vernalization; Cut flower production: 2-3 years
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| Sell Period: | |
June-October
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| Seed Form: | |
regular
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| Seed Count: | |
1429 K/g
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| Sowing Time: | |
7 for flower naturally in 4-5 or force for earlier flowering pot sales.
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| Germination: | |
14-21 days at 15-20 °C, in media with very low soluble salt levels and pH: 6.0-6.5. Cover seed lightly with vermiculite after sowing. Keep soil slightly moist but not wet.
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| Plug Culture: | |
From Stage II* reduce the soil moisture, but the plug should not dry out and reduce the temperature to 15-16 °C. Do not let soluble salt level rise above 0,75 EC. Start fertilization at 50-75 ppm nitrogen in a well balanced formula. During Stage III and Stage IV fertilization levels can be increased to 150 ppm.
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| Growing On: | |
4-5 weeks after sowing transplant 1 plant per plug tray (3-4 cm) and 4 weeks later transplant 1 plant into a pot (8-10 cm). Two time transplantation will support the young plant quality. Plant cut flowers in 30x30 cm space.
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| Media: | |
Use a well-drained, growing perennial substrate with 0-15 % clay, 0-15 % organic parts (e.g. bark, wood fibres),1-1,5 kg/m³ complete balanced fertilizer, 2-3 kg/m³ slow release fertilizer (3-9 months), iron-chelate, micronutrients, pH: 6.0-6.5. Field: sandy, loamy soils. Standard fertilization: 50-60 g/m2 slow release fertilizer.
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| Photoperiod / Light: | |
Day length neutral plants. In winter and early spring additional assimilation light is required (10-12 h, 30-40 klx) combined with warm or cold cultivation temperatures. A cultivation in cold greenhouse or field at natural conditions is possible. In this case the flowering is in April-May.
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| Temperature: | |
Grow at 10-12 °C or outdoors. In winter indoors frost free at 3-5 °C or outdoors. Outdoor fleece cover needed. Plants kept through the winter start to grow mid December for 6-8 weeks at 5 °C in greenhouse and later the temperature can be slowly to 8-10 °C. This treatment can hinder the stretching of the flower stems is inhibited. After a frost free wintering the plants can be cultivated at temperature of 8-10°C immediately. Warm temperatures of 15-18 °C will decrease the cultivation time (7-8 weeks in total).
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| Fertilization: | |
Moderate-high fertilization levels are required. Fertilize the crop weekly with 130-150 ppm nitrogen (at 3 kg/m³ slow release fertilizer in substrate), using alternate a calcium nitrate fertilizer and a potassium balanced fertilizer (N: K2O-ratio: 1:1,5). Avoid high ammonium and high nitrogen levels. Don't fertilize after mid September. In spring fertilize 130-150 ppm nitrogen of a complete balanced fertilizer. Prevent magnesium deficiency by applying magnesium sulphate (0,05 %) 1-2 times and in case of iron deficiency (above pH 6.0) apply iron-chelate for 1-2 times. The roots are sensitive to high salt levels in substrates. Avoid high fertilizer concentrations, it is advisable to fertilize several times with low concentrations weekly. Field: If necessary according to analysis, improve the soil with 60-80 g/m² of a slow release fertilizer, applied in March and July in several portions. Check the iron level in the soil.
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| Cut Flowers: | |
Cut flower stems can be harvested, when the flowers are just open.
Vase life: 4-8 days. Cold storage is possible. After harvest, cut plants back to the ground.
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| Cultural Hints: | |
Cut flower stems can be harvested, when the flowers are just open. Vase life: 4-8 days. Cold storage is possible. After harvest, cut plants back to the ground.
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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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