Click on this link to print or save this document: Brachyscome
Outback Daisy Mini Yellow™, Mauve Delight, & Jumbo Mauve™
Brachyscome can be propagated in various tray sizes including 32,50,72,84 and 105’s. Stick two cuttings per cell. Propagation Cycle: 4 weeks
- Choose a well-drained aerated propagation media.
- Avoid media containing peat moss which will hold too much water.
- Choose a blended media with other components or inorganic media such as Oasis® or Rockwool®.
- Bottom heat will promote healthy root development.
- Maintain bottom heat at 70-75°F/21-24°C.
- Mist will cool the media temperature. Monitor media temperature closely and frequently.
- Brachyscome roots easily without the use of rooting hormone. However, time to root and uniformity in rooting may be improved with use of a hormone.
- Either liquid or powder formulations work equally well. Choose a product with up to 2500 ppm IBA or up to 500 ppm NAA.
- Average days with mist vary from 6-9 days depending on environmental conditions in the greenhouse.
- Mist cuttings so they remain turgid but avoid over misting that results in saturated media.
- Over misting will result in slow rooting and possible problems with root rot and botrytis.
- Mist should be eliminated or significantly reduced as roots form.
- Growth regulating should not be necessary.
- Pinch or shear cuttings in week 2 of propagation to improve plant habit and correct stretch.
- Begin feeding as roots are visible. Begin with 75 ppm nitrogen then increase to 150 ppm. Choose a fertilizer with low levels of ammonium based nitrogen and avoid overhead feeding with fertilizer containing phosphorus.
- Maintain pH at 5.6-5.9
- Maintain EC at 0.75-0.80 mmhos.
Choose a media with the following traits:
- Good aeration
- Porosity between 5-15%
- Avoid excess irrigation and fertilization while plants are establishing which can lead to slow root development. Do not allow mature plants to dry excessively.
- Fertilizer Regime
- Begin fertilizing 2 weeks after transplant.
- Choose a complete balanced fertilizer complete with minor elements.
- Apply 200-250 ppm constant liquid feed with a fertilizer low in phosphorus.
- Additional iron may be needed – apply as iron chelate or iron sulfate (always rinse foliage when using iron sulfate).
- A slow release product may also be used to supplement a constant liquid feed program and may provide improved performance for the consumer.
- Maintain pH between 5.5-6.3
- Optimum EC is 2 to 2.5 mmhos. Provide periodic clear water application if excess salts accumulate.
Brachyscome can be grown successfully at a wide range of temperatures but for best results the crop should be established and grown cool.
Establishing temperature: 55°F/13°C average daily temperature
Temperatures for growing on: 55-70°F/13-21°C day and 50-55°F/11-13°C night
- At cooler temperatures growth will be more compact and flowering more prolific.
- At warmer temperatures excess vegetative growth may be a problem.
- Maintain relative humidity below 70% and provide good air circulation to avoid problems with botrytis.
Brachyscome prefers bright light.
- 4000 foot candles/43,100 lux minimum
- 6000 foot candles/64,600 lux maximum
*Shade may be required to avoid high temperatures but can encourage stretch and delay flowering.
*Plants grown outdoors in full sun stay compact and may yellow in response to high light.
Establish plants pot tight than space to:
- 4” pots – 5-6” centers (approximately 2 per sq. ft.)
- 6” pots/1 gallon – 14” centers
- 8” pots – 18” centers
1st Pinch- week 2 of propagation
2nd Pinch- trim once established (1-2 weeks after transplant)
Additional Pinch- shape, correct stretch or time to flower (mature plants will flower 5-6 weeks after pinch)
Plant Growth Regulators
Good light levels, cool growing conditions, and good cultural practices are the best means of controlling stretch.
If needed, Brachyscome responds to:
- B-Nine® as a spray at 2500 ppm
*Apply any PGR applications prior to visible bud set to avoid delay in time to flower.
SYMPTOM: Slow Growth
- Check root systems for signs of damage. Treat with fungicide drench and reduce watering/ fertilization until roots regrow.
- Check root systems for insect causing damage, particularly fungus gnat larvae or root aphids. Treat with pesticides targeted to control these pests.
SYMPTOM: Yellowing of young leaves
- Check that fertilizer injectors are functioning properly.
- Ensure media pH is between 5.5-6.3 – adjust if necessary.
- Check iron levels in soil and tissue. Supplement with iron sulfate drenches if media pH is high or with iron chelate as a spray or drench, if media pH is normal.
SYMPTOM: Yellowing of lower foliage
- Check that fertilizer injectors are functioning properly.
- Check for low nitrogen levels in soil and tissue.
- Check E.C. levels of soil for high salts.
- Check magnesium levels in soil and tissue.
Supplement with magnesium sulfate as a drench if levels are low.SYMPTOM: Drying and discoloration of foliage
- Plants allowed to dry out. Maintain proper watering regimen.
- Phosphorous levels in fertilization program may be too high. Use low phosphorous or no phosphorous fertilizer mixes.
Insect and Disease Concerns
- Fungus Gnats
- Powdery Mildew
- Root and stem rots
|Product Form||# Liners per pot||Weeks to 1st Pinch||Additional pinch||Total Crop Time (weeks)|
*additional pinching will delay flowering by 5-6 week
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