After accelerated aging, far-red-light treatment extended lettuce seed longevity compared with control seeds.

light · pest · Lactuca sativa (garden lettuce)Positive and negative results

7 papers in the same direction as this claim · 1 reporting no difference from an alternative

1. no effect
   Desiccation light treatments showed no differences in thermoinhibition or longevity.

   Red to Far-red Ratio During Seed Development Affects Lettuce Seed Germinability and Longevity · 2009 · compared with the other treatments

   No difference from an alternativeCited by this paper

2. positive
   Dynamic lighting reduced electricity consumption by 20% compared with on–off lighting.

   Dynamic control of supplemental lighting intensity in a greenhouse environment · 2012 · compared with a similar lighting system operated under a discontinuous on–off regime

   Same direction

3. positive
   LED lighting reduced electricity consumption and cost compared with fluorescent lamps.

   The plant growth, water and electricity consumption, and nutrients uptake are influenced by different light spectra and nutrition of lettuce · 2023 · compared with fluorescent lamps

   Same direction

4. positive
   Red LED decreased accumulated electric energy consumption of lettuce by 75.6% relative to fluorescent lamps.

   Utilization Efficiencies of Electric Energy and Photosynthetically Active Radiation of Lettuce Grown under Red LED, Blue LED and Fluorescent Lamps with Different Photoperiods · 2013 · compared with control

   Same direction

5. positive
   Adding FR irradiation was more electrically efficient for accelerating lettuce growth than increasing PPFD.

   Accelerating the Growth of Lettuce (Lactuca sativa L.) by Additional Far-Red(FR) Irradiation. · 1992 · compared with increasing the level of the PPFD

   Same direction

6. positive
   LED radiation reduced energy consumption of the irradiation system by 40-50% compared with sodium lamps

   The LED phyto lighting for improving the environmental friendliness of growing and productivity of lettuce varieties with red and green leaves · 2020 · compared with sodium lamps

   Same direction

7. positive
   LEDB lighting used 53.3% less power per plant than LEDA.

   Influence of Combined Lighting with Different Red and Blue LED on Photosynthetic Characteristics and Quality of Lettuce and Evaluation of Energy Consumption · 2011 · compared with LEDA lighting

   Same direction

8. positive
   Red LED lighting consumed 75.6% less electric energy than fluorescent control.

   Agri-environmental System Engineering and Energy : Utilization Efficiencies of Electric Energy and Photosynthetically Active Radiation of Lettuce Grown under Red LED, Blue LED and Fluorescent Lamps with Different Photoperiods · 2013 · compared with control

   Same direction