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Effect of spectral quality on horticultural plant propagation in a greenhouse

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  • Sumathy, K.

Abstract

A greenhouse of semi-circular shape was employed to study the effect of spectral light response on the stem-cutting propagation of horticultural plants. The number of days taken for the root formation were noted and it was observed that the stem cuttings showed earlier root formation under a red-tinged greenhouse followed by a blue-tinged greenhouse. The UV-stabilised sheet prolonged the formation of well-formed roots by an additional three days over that for the control system. The study shows that the temperature gradient is not only a minimum at canopy level but also negative throughout in blue cladded greenhouse and a maximum vertical heat flux of zero is noticed.

Suggested Citation

  • Sumathy, K., 1999. "Effect of spectral quality on horticultural plant propagation in a greenhouse," Applied Energy, Elsevier, vol. 64(1-4), pages 175-180, September.
    • Handle: RePEc:eee:appene:v:64:y:1999:i:1-4:p:175-180
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