Approximate Distribution Of Colors In Fluorescent Lamps Used For Plant Growth
Manufacturers
Duro-Lite Lamps Inc. Lighting Div.
Duro-Twist Corp. 17-10 Willow St. Fair Lawn, NJ 07410
General Electric Lamp Manufacturing Div. Nela Park Cleveland, OH 44112
Type of Lamp
Vita Lite
Natur-Escent
Gro and Sho Plant Light
Bright Stik-Gro and Sho
Power Groove Fluorescent lamps
Yellow-Green
Blue Remarks
Provides full-spectrum light for vegetative growth; useful for starting all vegetables
29% Full spectrum bulb will grow all vegeta bles. Grows tomatoes to fruit.
Produces a balance of red and blue light; useful for starting seeds
Provides a balance of red and blue light; Can be plugged in for light in bookcases, cabinets and shelves. Comes in cool white daylight, warm white deluxe; high output
Sylvania Light Center
Gro Lux Regular
Gro Lux Wide Spectrum
Westinghouse Electric Corp. Agro-lite Fluorescent & Vapor
Lamp Div. Bloomfield, NJ 07003
Daylight
Warm White
Cool White Natural White
43% 18% 38% Developed for growing plants and flow ers indoors; the output is almost entirely in the red and blue ends of the spectrum, designed for the propagation of low energy plants.
38% 32% 30% Supplies more light in red than in the blue spectrum; excellent for starting seeds, promotes rapid vegatative growth.
A special phosphor which provides light rich in red while still providing considerable blue light; makes plants grow faster.
48% 40% Deficient in the red end of the spec trum, should be used in combination with Gro-Lux, Gro Lux Wide Spectrum or Agro-Lite
55% 20% The bulb provides more light in the red end of the spectrum; use in combination with Cool White
52% 30% The most comon fluourescent, deficient in red light; use with Warm White 40% 34% A more balanced bulb; Can be used alone or mixed with Cool White.
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