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1
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|
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2
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- Identify the poinsettia.
- Outline history of the poinsettia.
- List optimal growing conditions/maintenance.
- Identify pests and fungi that can infect poinsettias.
|
|
3
|
|
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4
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5
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- The poinsettiaàEuphorbia
pulcherrima
- Native to the area around Taxco, Mexico
- Introduced to the United States by Joel R. Poinsett, the first United
States ambassador to Mexico.
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6
|
- 1. Planting and Spacing
- àRooted Cuttings
- àPot Size
- àSquare Foot Requirement
|
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7
|
- 2. Temperature
- àInitial Night—65
degrees
- àInitial Day—70-75
degrees
- àAs bracts develop—60-62
degrees at night
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8
|
|
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9
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- 3. Pinching
- àDefinition: process
where the grower removes the terminal end of the plant
- àProcess: break off the
top of the poinsettia completely off, with 4-5 nodes above soil level.
|
|
10
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- 4. Soil Mixes
- àPerlite, vermiculte,
and peat
- àSoil-less mix (a lot of
organic matter, etc.)
- àCalcium Carbonate used
to regulate pH level
|
|
11
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- 5. Fertilizers
- àComplete
Fertilizer—contains NPK
(Nitrogen, Phosphorus,
Potassium)
- àGood Eaters!
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|
12
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- 6. Growth Regulators
- àPurpose—to control the
height of plant, and to
improve the color quality of poinsettia
bracts by darkening them.
- àCyclocel, or DIF
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13
|
|
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14
|
|
|
15
|
|
|
16
|
|
|
17
|
- Identify the poinsettia.
- Outline history of the poinsettia.
- List optimal growing conditions/maintenance.
- Identify pests and fungi that can infect poinsettias.
|
Notes
