Abstract
When studying carrot (Daucus sativus Röhl.) tolerance to subambient levels of UV-B radiation (1 to 9 kJ m2 day-1), reduction of biomass accumulation as a measure of UV-B stress impact appeared to be inappropriate. Measurements of chlorophyll content also revealed that such data is inapplicable to gauge plant health during and after the UV-B stress. However, this study revealed that carrot is tolerant to subambient UV-B stress as no regular variation of aforementioned conventional measures was determined. Furthermore, naturally occurring UV-B levels (1 to 5 kJ m2 day-1) appeared to be even favorable for stimulating biomass accumulation without hindering the formation of photosynthetic pigments.
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Claims 5
Claim · model-written summary
Carrot was tolerant to subambient UV-B stress, with no regular variation in conventional measures (biomass and chlorophyll content).
- Taxon
- carrot
Daucus carotae3 - Treatment
- subambient UV-B stresse3
- Outcome
- conventional measurese3
- Direction
- no regular variatione3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e3“this study revealed that carrot is tolerant to subambient UV-B stress as no regular variation of aforementioned conventional measures was determined”
Claim · model-written summary
Naturally occurring UV-B levels (1 to 5 kJ m2 day-1) appeared to stimulate biomass accumulation in carrot.
- Taxon
- carrotDaucus carotae0
- Treatment
- naturally occurring UV-B levels (1 to 5 kJ m2 day-1)e4
- Outcome
- biomass accumulatione4
- Direction
- stimulatinge4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When studying carrot (Daucus sativus Röhl.) tolerance to subambient levels of UV-B radiation (1 to 9 kJ m2 day-1)”
e4“naturally occurring UV-B levels (1 to 5 kJ m2 day-1) appeared to be even favorable for stimulating biomass accumulation without hindering the formation of photosynthetic pigments”
Claim · model-written summary
Naturally occurring UV-B levels (1 to 5 kJ m2 day-1) did not hinder the formation of photosynthetic pigments in carrot.
- Taxon
- carrotDaucus carotae0
- Treatment
- naturally occurring UV-B levels (1 to 5 kJ m2 day-1)e4
- Outcome
- formation of photosynthetic pigmentse4
- Direction
- without hinderinge4
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When studying carrot (Daucus sativus Röhl.) tolerance to subambient levels of UV-B radiation (1 to 9 kJ m2 day-1)”
e4“naturally occurring UV-B levels (1 to 5 kJ m2 day-1) appeared to be even favorable for stimulating biomass accumulation without hindering the formation of photosynthetic pigments”
Claim · model-written summary
Reduction of biomass accumulation was an inappropriate measure of UV-B stress impact in carrot.
- Taxon
- carrotDaucus carotae0
- Treatment
- subambient levels of UV-B radiation (1 to 9 kJ m2 day-1)e0
- Outcome
- reduction of biomass accumulation as a measure of UV-B stress impacte1
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When studying carrot (Daucus sativus Röhl.) tolerance to subambient levels of UV-B radiation (1 to 9 kJ m2 day-1)”
e1“reduction of biomass accumulation as a measure of UV-B stress impact appeared to be inappropriate”
Claim · model-written summary
Chlorophyll content was inapplicable for gauging carrot plant health during and after UV-B stress.
- Taxon
- carrotDaucus carotae0
- Outcome
- chlorophyll contente2
- Qualifier
- inapplicable to gauge plant health during and after the UV-B stresse2
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“When studying carrot (Daucus sativus Röhl.) tolerance to subambient levels of UV-B radiation (1 to 9 kJ m2 day-1)”
e2“Measurements of chlorophyll content also revealed that such data is inapplicable to gauge plant health during and after the UV-B stress”
The same questions in other papers
uv · growth · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- positive
uv · physiology: photosynthesis · Daucus carota (carrot)Results agree
1 paper in the same direction as this paper
- negative
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.