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Houseplants

Houseplants. Ron Smith, Ph.D. Extension Horticulturist & Turfgrass Specialist. Light is Life. Measurement of Light. 1 Footcandle (fc) Amount of visible light that falls on 1 sq. ft. of surface 1 ft. away from one candle. 1 Lumen Amount of light from one candle.

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Houseplants

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  1. Houseplants Ron Smith, Ph.D. Extension Horticulturist & Turfgrass Specialist

  2. Light is Life

  3. Measurement of Light • 1 Footcandle (fc) • Amount of visible light that falls on 1 sq. ft. of surface 1 ft. away from one candle. • 1 Lumen • Amount of light from one candle.

  4. Footcandle1 Lumen of light per sq. ft. of area 1'

  5. 3 Major Plant Processes • Photosynthesis • Phototropism • Photoperiodism

  6. 3 Components of Light • Intensity • Duration • Quality

  7. Chlorophyll Photosynthesis Light Water Vapor O2 CO2 Water

  8. Photosynthesis 6CO2 + 6H2O C6H12O6 + 6O2 Chlorophyll Carbon Dioxide Water Oxygen Glucose

  9. Light Quality • Blue/Violet • Promote foliage growth • Yellow/Green • No effect • Red/Far-Red • Encourage flowering, elongation, expansion

  10. Recommended Lighting-Levels 12 Hours Light Period/Day MinimumRecommended Low50 f.c. 75-100 f.c. Medium75-100 f.c. 200(+) f.c. High200 f.c. 500 f.c. Very High500 f.c. 1000 f.c.

  11. 3 Types of Artificial Light • Filament-Incandescent • tungsten halogen • Excited Phosphorus • fluorescent • High-Intensity-Discharge (HID) • mercury, metal halide, high pressure sodium, low pressure sodium

  12. Ron & Betsey Showering With Their Plants

  13. Chinese EvergreenAglaonema

  14. AloeAloe vera http://ww4.bhg.com

  15. Norfolk PineAraucaria heterophylla http://ww4.bhg.com

  16. Umbrella TreeBrassaia

  17. CaladiumCaladium http://www.betterphoto.com/gallery/dynoGall2.asp?catID=281

  18. CrotonCodiaeum variegatum http://ww4.bhg.com

  19. Corn PlantDracaena fragrans 'massangeana'

  20. Persian VioletExacum affine http://ww4.bhg.com

  21. Rubber PlantFicus elastica http://ww4.bhg.com

  22. HydrangeaHydrangea macrophylla http://ww4.bhg.com

  23. Prayer PlantMaranta http://ww4.bhg.com

  24. Paper-white NarcissusNarcissus tazetta http://ww4.bhg.com

  25. Boston FernsNephrolepis exaltata 'Bostoniensis' http://ww4.bhg.com

  26. Swedish IvyPlectranthus http://ww4.bhg.com

  27. Mother-in-Law TongueSansevieria http://ww4.bhg.com

  28. GloxiniaSinningia speciosa http://ww4.bhg.com

  29. Wandering JewTradescantia or Zebrina http://ww4.bhg.com

  30. Plant Cluster

  31. Plants in the Home

  32. Dumb CaneSunburn

  33. African VioletSunburn

  34. Greenhouse GeraniumBotrytis

  35. ScheffleraGhost Ring Virus

  36. Geranium Virus

  37. Variegated Spider PlantFluoride Tip Burn

  38. Layering Development of roots on a stem while still attached to the parent plant.

  39. Beneficial Houseplants Spider Plant Chlorophytum comosum

  40. Beneficial Houseplants Dumb Cane Dieffenbachia

  41. Beneficial Houseplants Dracaena Dracaena fragrans

  42. Beneficial Houseplants Weeping Fig Ficus benjamina

  43. Beneficial Houseplants Rubber Plant Ficus elastica

  44. Beneficial Houseplants English IvyHedera helix

  45. Beneficial Houseplants Queen of HeartsHomalomena wallisii

  46. Beneficial Houseplants Schefflera Schefflera arboricola

  47. Beneficial Houseplants Peace Lily Spathiphyllum wallisii

  48. Low Light Houseplants Cast-Iron PlantAspidistra elatior

  49. Low Light Houseplants Mock StrawberryDuchesnea indica

  50. Low Light Houseplants Sliver Net Leaf Fittonia

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