Claim · model-written summary
Additional removal of ambient UV-A reduced anthocyanin concentration.
- Taxon
- Lactuca sativa
Lactuca sativae6 - Treatment
- Additional removal of ambient UV‐A (Llumar)e3
- Outcome
- concentration of anthocyaninse3
- Direction
- reducede3
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleComparatorSettingValueQualifier
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e3“Additional removal of ambient UV‐A (Llumar) reduced the concentration of anthocyanins, but had no further effect on UV absorbance at 270, 300 or 330 nm”
e6“growth of Lactuca sativa L. (cv. New Red Fire lettuce)”
Title
Donald T. Krizek; Steven J. Britz; Roman M. Mirecki Physiologia Plantarum 1998. doi:10.1034/j.1399-3054.1998.1030101.x
Other claims from this paper (14)
- Intervention effect Excluding solar UV-B increased fresh weight of tops by 63% compared with ambient UV-B.
- Intervention effect Excluding solar UV-B increased dry weight of tops by 57% compared with ambient UV-B.
- Intervention effect Excluding solar UV-B increased dry weight of leaves by 57% compared with ambient UV-B.
- Intervention effect Excluding solar UV-B increased dry weight of stems by 72% compared with ambient UV-B.
- Intervention effect Excluding solar UV-B increased dry weight of roots by 47% compared with ambient UV-B.
- Intervention effect Additional exclusion of UV-A increased fresh weight of tops by 43% compared with plants under polyester.
- Intervention effect Additional exclusion of UV-A increased dry weight of tops by 35% compared with plants under polyester.
- Intervention effect Additional exclusion of UV-A increased dry weight of leaves by 33% compared with plants under polyester.
- Intervention effect Additional exclusion of UV-A increased dry weight of stems by 33% compared with plants under polyester.
- Intervention effect Additional exclusion of UV-A had no difference in root biomass compared with plants under polyester.
- Intervention effect Excluding ambient UV-B significantly reduced UV absorbance of leaf extracts at 270, 300 and 330 nm.
- Intervention effect Excluding ambient UV-B significantly reduced anthocyanin concentration at 550 nm.
- Intervention effect Additional removal of ambient UV-A had no further effect on UV absorbance at 270, 300 or 330 nm.
- Association UV-B radiation is more important than UV-A radiation for flavonoid induction in this lettuce cultivar.