Download - Chrysanthemum Production
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Chrysanthemum Production
By: Johnny M. JessupAgriculture Teacher/FFA
Advisor
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Introduction• Chrysanthemums are the most
popular cut flower sold in the United States.
• They are very popular as a potted for….• Mother’s Day• Memorial Day• Easter
• 2nd only to poinsettias in $ value for potted flowers.
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Chrysanthemum Production
• Many different Cultivars grown• Sunny Linda• Sunny Anna• Sunny Alison• Rusts• Many, many more
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Chrysanthemum Production
• Rooted cuttings are available from wholesale growers.
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Chrysanthemum Production
• Number of plants per pot depends on the pot size:• 4” pot has 2
plants.• 5” pot has 4
plants.• 6” pot has 5
plants.• Should be equally
spaced and slanted towards the outside at a 45o angle.
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Chrysanthemum Production
• During the first 2 weeks….• Potted mums should be spaced 8 inches
apart measuring from pot rim to pot rim.
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Greenhouse Temperatures• First 2 Weeks:
• 63oF at night & cloudy days and 70oF on sunny days.
• From 2 Weeks to the 3 Last Weeks:• 62oF at night & cloudy days and 70oF
on sunny days.• Last 3 Weeks:
• 55oF at night & cloudy days and 65oF on sunny days.
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Chrysanthemum Production
• Improper temperatures cause uneven bud set.
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Chrysanthemum Best Practices
• Pinching• Done to make a more compact plant
with more flowers.• Disbudding
• Done to control or reduce the number of flowers per plant.
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Chrysanthemum Best Practices
PINCHING DISBUDDING
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Chrysanthemum Production
• Media must be….• Free from diseases
and insects.• Porous and well
drained.
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Chrysanthemum Production
• Fertilization• Have a regular program
of liquid fertilization using 250 ppm of 20-20-20 at each watering.
• Watering• Mums should be
watered when the top of the media is beginning to appear dry.
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Chrysanthemum Production
• Mums are a short day plant meaning….• They flower when days are short and
the nights are long.
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Chrysanthemum Production
• Bud set light period is 14½ hours or less and flower development takes place when daylight is 13½ hours or less.
• Vegetative growth light period is less than 12½ hours.
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Chrysanthemum Production
• From August to May 15, light is used during the middle of the night to break the long dark periods.
• From about March 15 to October 20, black cloth is used to give about 12 hours of darkness from about 5 p.m. to 7 a.m.
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Chrysanthemums
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Designed By:• Johnny M. Jessup; FFA Advisor
• Hobbton High School