Abstract
Vertical farming using light‐emitting diode offers potential for the early production phase (few weeks) of young ornamental plants. However, once transferred to the greenhouse, the photosynthetic acclimation of these young plants might depend on this initial light regime. To obtain insight about this acclimatization, Chrysanthemum (sun species) and Spathiphyllum (shade species) were preconditioned in growth chambers for 4 weeks under four light qualities: blue (B), red (R), red/blue (RB, 60% R) and white (W) at 100 μmol m −2 s −1 . Monochromatic light (R and B) limited leaf development of both species, which resulted in a lower leaf mass per area when compared to multispectral light (RB for Chrysanthemum, RB and W for Spathiphyllum). R‐developed leaves had a lower photosynthetic efficiency in both species. After the light quality pretreatment, plants were transferred to the greenhouse with high‐intensity natural light conditions. On the first day of transfer, R and B preconditioned leaves of both species had an inhibited photosynthesis. After 1 week in natural light condition, rapid light curve parameters of Chrysanthemum leaves that developed under B acclimated to sunlight had a similar level than RB‐developed leaves unlike R‐leaves. Spathiphyllum leaves showed a decrease in maximum electron transport rate and this was most pronounced for the R pretreatment. After 1 month, R‐preconditioned Chrysanthemum had the lowest dry mass, while no effects on the dry weight of Spathiphyllum with respect to the pretreatments were observed. Light quality during preconditioning affected the leaf ability to acclimate to natural high light intensities in greenhouse environment.
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Claims 10
Claim · model-written summary
Monochromatic light limited leaf development and lowered leaf mass per area in Chrysanthemum.
- Taxon
- Chrysanthemum
.jpeg?width=60)
Chrysanthemumt0 - Treatment
- Monochromatic light (R and B)e1
- Outcome
- leaf developmente1
- Direction
- limitede1
- Comparator
- RBe1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
.jpeg?width=500)
Verbatim
t0“Chrysanthemum and Spathiphyllum”
e1“Monochromatic light (R and B) limited leaf development of both species, which resulted in a lower leaf mass per area when compared to multispectral light (RB for Chrysanthemum, RB and W for Spathiphyllum).”
Claim · model-written summary
Monochromatic light lowered leaf mass per area in Spathiphyllum.
- Taxon
- Spathiphyllum
Spathiphyllumt0 - Treatment
- Monochromatic light (R and B)e1
- Outcome
- leaf mass per areae1
- Direction
- lowere1
- Comparator
- RB and We1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chrysanthemum and Spathiphyllum”
e1“Monochromatic light (R and B) limited leaf development of both species, which resulted in a lower leaf mass per area when compared to multispectral light (RB for Chrysanthemum, RB and W for Spathiphyllum).”
Claim · model-written summary
Red light development lowered photosynthetic efficiency in Chrysanthemum.
- Taxon
- ChrysanthemumChrysanthemumt0
- Treatment
- R‐developede1
- Outcome
- photosynthetic efficiencye1
- Direction
- lowere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chrysanthemum and Spathiphyllum”
e1“R‐developed leaves had a lower photosynthetic efficiency in both species.”
Claim · model-written summary
Red light development lowered photosynthetic efficiency in Spathiphyllum.
- Taxon
- SpathiphyllumSpathiphyllumt0
- Treatment
- R‐developede1
- Outcome
- photosynthetic efficiencye1
- Direction
- lowere1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chrysanthemum and Spathiphyllum”
e1“R‐developed leaves had a lower photosynthetic efficiency in both species.”
Claim · model-written summary
Red preconditioning inhibited photosynthesis on transfer day in both species.
- Taxon
- ChrysanthemumChrysanthemumt0
- Treatment
- Re1
- Outcome
- photosynthesise1
- Direction
- inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chrysanthemum and Spathiphyllum”
e1“On the first day of transfer, R and B preconditioned leaves of both species had an inhibited photosynthesis.”
Claim · model-written summary
Blue preconditioning inhibited photosynthesis on transfer day in both species.
- Taxon
- SpathiphyllumSpathiphyllumt0
- Treatment
- Be1
- Outcome
- photosynthesise1
- Direction
- inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Chrysanthemum and Spathiphyllum”
e1“On the first day of transfer, R and B preconditioned leaves of both species had an inhibited photosynthesis.”
Claim · model-written summary
After a week, blue-developed Chrysanthemum leaves acclimated to sunlight similarly to red-blue leaves, unlike red leaves.
- Taxon
- ChrysanthemumChrysanthemume0
- Treatment
- Be0
- Outcome
- rapid light curve parameterse0
- Direction
- similar levele0
- Comparator
- RB‐developed leavese0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 1 week in natural light condition, rapid light curve parameters of Chrysanthemum leaves that developed under B acclimated to sunlight had a similar level than RB‐developed leaves unlike R‐leaves.”
Claim · model-written summary
Spathiphyllum maximum electron transport rate decreased, most under red preconditioning.
- Taxon
- SpathiphyllumSpathiphyllume0
- Treatment
- R pretreatmente0
- Outcome
- maximum electron transport ratee0
- Direction
- decreasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Spathiphyllum leaves showed a decrease in maximum electron transport rate and this was most pronounced for the R pretreatment.”
Claim · model-written summary
After a month, red-preconditioned Chrysanthemum had the lowest dry mass.
- Taxon
- ChrysanthemumChrysanthemume0
- Treatment
- R‐preconditionede0
- Outcome
- dry masse0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“After 1 month, R‐preconditioned Chrysanthemum had the lowest dry mass”
Claim · model-written summary
Spathiphyllum dry weight did not differ across light pretreatments after a month.
- Taxon
- SpathiphyllumSpathiphyllume0
- Treatment
- pretreatmentse0
- Outcome
- dry weighte0
- Direction
- no effectse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“no effects on the dry weight of Spathiphyllum with respect to the pretreatments were observed”
The same questions in other papers
light · growth · SpathiphyllumPositive and negative results
1 in the opposite direction
- positive
light · growth · ChrysanthemumPositive and negative results
15 papers in the same direction as this paper · 47 in the opposite direction
- positive
- positive
- positive
59 papers more in this group
See all 63 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.