Abstract
The greater UV-B radiation has heightened concern that it has adverse impact on agricultural production and natural plant ecosystems. The effect of UV-B enhancements on plants includes reduction in grain yield, alteration in species competition, decrease in photosynthetic activity, susceptibility to disease, and changes in plant structure and pigmentation. Plant responses to UV-B enhancements also include increased accumulation of flavoids, increased leaf thickness, increased reflectance of leaves, reductions in growth, and direct damage to photosynthetic mechanisms. One-third to one-half of all plant species tested are deleteriously affected by UV-B irradiance levels “above ambient.” This experiment was conducted to study responses of winter wheat growth and production under both ambient and sub-ambient UV-B irradiance (15.3% UV-B irradiance decrease from ambient level). Sub-ambient UV-B irradiance increased winter wheat growth and production, which indicates that current levels of ambient UV-B irradiance might have an adverse effect in tested areas.
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Claims 2
Claim · model-written summary
Sub-ambient UV-B irradiance increased winter wheat growth and production relative to ambient UV-B.
- Taxon
- winter wheat
Triticum aestivume1 - Treatment
- Sub-ambient UV-B irradiancee2
- Outcome
- growth and productione2
- Direction
- increasede2
- Comparator
- ambiente1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e1“This experiment was conducted to study responses of winter wheat growth and production under both ambient and sub-ambient UV-B irradiance (15.3% UV-B irradiance decrease from ambient level)”
e2“Sub-ambient UV-B irradiance increased winter wheat growth and production, which indicates that current levels of ambient UV-B irradiance might have an adverse effect in tested areas”
Claim · model-written summary
Current ambient UV-B irradiance might have an adverse effect on winter wheat growth and production in the tested areas.
- Taxon
- winter wheatTriticum aestivume2
- Treatment
- ambient UV-B irradiancee2
- Outcome
- growth and productione2
- Direction
- adverse effecte2
- Qualifier
- mighte2
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e2“Sub-ambient UV-B irradiance increased winter wheat growth and production, which indicates that current levels of ambient UV-B irradiance might have an adverse effect in tested areas”
The same questions in other papers
uv · yield · Triticum aestivum (wheat)Results differ
7 papers in the same direction as this paper · 17 in the opposite direction
- no effect
- negative
- no effect
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See all 25 papers →light · yield · Triticum aestivum (wheat)Positive and negative results
32 papers in the same direction as this paper · 35 in the opposite direction
- negative
- negative
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See all 68 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.