The Orchid Doctor Articles under the Heading Lamps

Lamps Comments
LAMPS: Colored, as Heat Source At Night for Plastic-enclosed Area Outside All efficient lamps by their heat emission affect the photoperiodicity of plants; use electric heaters instead. A71-153 0
LAMPS: Gro-lux Their effect on the growth of seedlings was superior under controlled conditions to the growth under greenhouse conditions. A64-948Their effectiveness = the Sylvania company has published information; orchids can be grown satisfactorily under them when proper daylength and temperature are provided; tests have failed to show the superiority of Gro-Lux over a combination of Cool White or Daylight, with supplementary incandescent. A63-836 0

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  1. John Urey asked question Blooming Stenglottis Venus “jamboree “ in category General Discussion
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  3. Roberto Lizama asked question Help to identify in category General Discussion
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  1. R .Benson commented on member plant Kir. New Hybrid (Fred Clarke) SVO9831 by R .Benson
  2. Carol Holdren commented on topic "Blooming Stenglottis Venus “jamboree “" by John Urey
  3. Jeanne Uzar Hudson commented on member plant Lc. Canhamiana var. coerulea 'Cobalt' by Jeanne Uzar Hudson
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