Abstract
Light is a key environmental factor that strongly influences plant growth and physiology.In plant factories, light intensity is typically kept constant throughout cultivation.This study evaluated the effects of daily fluctuating light intensity on the growth and photosynthesis of lettuce (Lactuca sativa L.) and basil (Ocimum basilicum L.) under equivalent light integral conditions.At 25 days after sowing (25 DAS), plants were subjected to eight light treatments for seven days.The control maintained a constant light intensity of 250 molm -2 s -1 , while treatments L1-L7 involved daily fluctuations between 150 and 350 molm -2 s -1 .Photosynthetic responses in both species generally followed the light fluctuation patterns.Gradual increases in light intensity had no effect on stomatal conductance, whereas rapid increases significantly reduced it.At 32 DAS, the highest growth in lettuce was observed under the control and L5 (irregular fluctuations), whereas the highest growth in basil was observed under L2 (gradual increase followed by decrease).These results indicate that short-term modulation of daily light intensity prior to harvest can improve productivity, with species-specific responses to light fluctuation.
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Claims 8
Claim · model-written summary
Photosynthetic responses of lettuce generally followed light fluctuation patterns.
- Taxon
- Lettuce
Lactuca sativat0 - Treatment
- light fluctuation patternse0
- Outcome
- Photosynthetic responsese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photosynthetic responses in both species generally followed the light fluctuation patterns.”
t0“Lettuce”
Claim · model-written summary
Photosynthetic responses of basil generally followed light fluctuation patterns.
- Taxon
- Basil
Ocimum basilicumt0 - Treatment
- light fluctuation patternse0
- Outcome
- Photosynthetic responsese0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Photosynthetic responses in both species generally followed the light fluctuation patterns.”
t0“Basil”
Claim · model-written summary
Gradually increasing light did not affect stomatal conductance.
- Taxon
- Lettuce and BasilLactuca sativaOcimum basilicumt0
- Treatment
- Gradual increases in light intensitye0
- Outcome
- stomatal conductancee0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Gradual increases in light intensity had no effect on stomatal conductance”
t0“Lettuce and Basil”
Claim · model-written summary
Rapid light increases significantly reduced stomatal conductance.
- Taxon
- Lettuce and BasilLactuca sativaOcimum basilicumt0
- Treatment
- rapid increasese0
- Outcome
- stomatal conductancee1
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rapid increases significantly reduced it”
t0“Lettuce and Basil”
e1“Gradual increases in light intensity had no effect on stomatal conductance”
Claim · model-written summary
Lettuce growth was highest under constant light control.
- Taxon
- lettuceLactuca sativae0
- Treatment
- controle0
- Outcome
- growthe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest growth in lettuce was observed under the control and L5 (irregular fluctuations)”
Claim · model-written summary
Lettuce growth was highest under L5 irregular fluctuations.
- Taxon
- lettuceLactuca sativae0
- Treatment
- L5 (irregular fluctuations)e0
- Outcome
- growthe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest growth in lettuce was observed under the control and L5 (irregular fluctuations)”
Claim · model-written summary
Basil growth was highest under L2 gradual increase followed by decrease.
- Taxon
- basilOcimum basilicume0
- Treatment
- L2 (gradual increase followed by decrease)e0
- Outcome
- growthe0
- Direction
- higheste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the highest growth in basil was observed under L2 (gradual increase followed by decrease)”
Claim · model-written summary
The authors conclude that short-term daily light modulation can improve productivity with species-specific responses.
- Taxon
- Lettuce and BasilLactuca sativaOcimum basilicumt0
- Outcome
- short-term modulation of daily light intensity prior to harveste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“short-term modulation of daily light intensity prior to harvest can improve productivity, with species-specific responses to light fluctuation”
t0“Lettuce and Basil”
The same questions in other papers
light · physiology: gas exchange · Ocimum basilicum (basil)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- positive
- negative
light · physiology: gas exchange · Lactuca sativa (garden lettuce)Positive and negative results
3 papers in the same direction as this paper · 6 in the opposite direction
- positive
- positive
- positive
6 papers more in this group
See all 10 papers →Claims are grouped by organism, treatment and what was measured or targeted. A paper counts as positive when any of its claims in the group is positive.