Abstract
Abstract Effects of deletion and enhancement of 280–315 nm ultra-violet (UV-B) radiation on pea ( Pisum sativus L.), potato ( Solanum tuberosum L.), radish ( Raphanus sativus L.), and wheat ( Triticum aestivum L.) plants were examined at a 3000 m elevation field site, which provided a 49% increase in midday effective (biologically weighted) UV-B radiation relative to near sea level. Wheat plants grown under Aclar or cellulose acetate film, which transmit UV-B radiation, were shorter than plants grown under Mylar film, which excludes UV-B radiation. Effective UV-B radiation levels at solar noon in the open and under the Aclar and cellulose acetate were 61, 55, and 44 mW m −2 , respectively. There were no significant differences in potato, radish, and wheat dry weights attributable to UV-B radiation among the above treatments. The dry weights of all 4 species and pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation. The results suggest that wheat plant height is more sensitive to deletion of UV-B radiation than the other parameters measured, and that the 4 species studied can tolerate the level of enhanced UV-B radiation used with concomitant high levels of visible radiation with no significant reduction in dry weight accumulation.
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Claims 10
Claim · model-written summary
UV-B transmitting films produced shorter wheat than UV-B excluding Mylar.
- Taxon
- Wheat
Triticum aestivume0 - Treatment
- Aclar or cellulose acetate filme0
- Outcome
- Wheat plantse0
- Direction
- shortere0
- Comparator
- Mylar filme0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Wheat plants grown under Aclar or cellulose acetate film, which transmit UV-B radiation, were shorter than plants grown under Mylar film, which excludes UV-B radiation”
Claim · model-written summary
UV-B film treatments did not significantly differ in potato dry weight.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- no significant differencese0
- Comparator
- above treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no significant differences in potato, radish, and wheat dry weights attributable to UV-B radiation among the above treatments”
Claim · model-written summary
UV-B film treatments did not significantly differ in radish dry weight.
- Taxon
- radish
Raphanus sativuse0 - Treatment
- UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- no significant differencese0
- Comparator
- above treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no significant differences in potato, radish, and wheat dry weights attributable to UV-B radiation among the above treatments”
Claim · model-written summary
UV-B film treatments did not significantly differ in wheat dry weight.
- Taxon
- wheatTriticum aestivume0
- Treatment
- UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- no significant differencese0
- Comparator
- above treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There were no significant differences in potato, radish, and wheat dry weights attributable to UV-B radiation among the above treatments”
Claim · model-written summary
Supplemental UV-B did not significantly decrease dry weight in pea.
- Taxon
- pea
Lathyrus oleraceuse0 - Treatment
- supplemental enhancement of 32 mW m −2 effective UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- not significantly decreasede0
- Comparator
- control plants that received only solar UV-B radiatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry weights of all 4 species and pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation”
Claim · model-written summary
Supplemental UV-B did not significantly decrease dry weight in potato.
- Taxon
- potatoSolanum tuberosume1
- Treatment
- supplemental enhancement of 32 mW m −2 effective UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- not significantly decreasede0
- Comparator
- control plants that received only solar UV-B radiatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry weights of all 4 species and pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation”
e1“potato ( Solanum tuberosum L.)”
Claim · model-written summary
Supplemental UV-B did not significantly decrease dry weight in radish.
- Taxon
- radishRaphanus sativuse1
- Treatment
- supplemental enhancement of 32 mW m −2 effective UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- not significantly decreasede0
- Comparator
- control plants that received only solar UV-B radiatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry weights of all 4 species and pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation”
e1“radish ( Raphanus sativus L.)”
Claim · model-written summary
Supplemental UV-B did not significantly decrease dry weight in wheat.
- Taxon
- wheatTriticum aestivume0
- Treatment
- supplemental enhancement of 32 mW m −2 effective UV-B radiatione0
- Outcome
- dry weightse0
- Direction
- not significantly decreasede0
- Comparator
- control plants that received only solar UV-B radiatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The dry weights of all 4 species and pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation”
Claim · model-written summary
Supplemental UV-B did not significantly decrease pea height.
- Taxon
- peaLathyrus oleraceuse0
- Treatment
- supplemental enhancement of 32 mW m −2 effective UV-B radiatione0
- Outcome
- plant heighte0
- Direction
- not significantly decreasede0
- Comparator
- control plants that received only solar UV-B radiatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation”
Claim · model-written summary
Supplemental UV-B did not significantly decrease wheat height.
- Taxon
- wheatTriticum aestivume0
- Treatment
- supplemental enhancement of 32 mW m −2 effective UV-B radiatione0
- Outcome
- plant heighte0
- Direction
- not significantly decreasede0
- Comparator
- control plants that received only solar UV-B radiatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pea and wheat plant height were not significantly decreased by a supplemental enhancement of 32 mW m −2 effective UV-B radiation from cellulose acetate filtered FS-40 sunlamps for 6 hours each day, relative to control plants that received only solar UV-B radiation”
The same questions in other papers
uv · growth · Lathyrus oleraceus (pea)Results differ
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- positive
- positive
- positive
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See all 26 papers →uv · growth · Triticum aestivum (wheat)Results differ
25 papers in the same direction as this paper · 19 in the opposite direction
- positive
- positive
- positive
41 papers more in this group
See all 45 papers →uv · growth · Raphanus sativus (radish)Positive and negative results
1 paper in the same direction as this paper · 3 in the opposite direction
- positive
- positive
- positive
1 paper more in this group
See all 5 papers →uv · growth · Solanum tuberosum (potato)Positive and negative results
3 papers in the same direction as this paper · 1 in the opposite direction
- positive
- no effect
- negative
1 paper more in this group
See all 5 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.