Abstract
The share of UVB spectrum range (290-320 nm) in the solar radiation flux accounts for an average of about 1.5% of the radiant flux on the planet. Taking into account the fact that plants adapt to living conditions in the course of evolution, it can be assumed that the flow of UVB radiation is also used by plants, but at the level of subdoses that reach the Earth's surface. The aim of current work is to study the growth and development of spring wheat (“Irgina” cultivar) when treated with subdoses of UVB radiation. For processing, XeCl-excilamp (High Current Electronic Institute SB RAS) radiation was used. The spectrum of this lamp is a narrow band with a maximum at a wavelength of 308 nm, which corresponds well to the UVB range. In the course of study, the pre-sowing UVB radiation dose values for seeds were found, under the influence of which wheat sprouts had an increase in such indicators as the length and dry weight of the root, the length of the leaf and the ratio of the root/shoot masses. It was shown, that as plants developed, the nitrogen balance index was always higher in the experiment with radiation in plants whose seeds were subjected to pre-sowing treatment with UVB radiation. This indicates the activation of growth and development processes in plants, as well as the accelerated absorption and assimilation of nitrogen compounds. Under the action of dose 0.5 J/cm2 the weighting parameters grain productivity such as weight of grains per ear, spike weight, weight of 1000 pcs seeds and the grain yield exceeded the check by 10.2%. The UVB processing did not affect the quality of the wheat grain. Based on the obtained data, it is concluded that the use of XeCl-excilamp UVB radiation for pre-sowing stimulation of wheat is promising.
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Claims 6
Claim · model-written summary
Selected pre-sowing UVB doses increased root length and dry weight and leaf length in wheat sprouts.
- Taxon
- wheat
Triticum aestivume0 - Treatment
- pre-sowing UVB radiatione0
- Outcome
- length and dry weight of the root, the length of the leafe0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“the pre-sowing UVB radiation dose values for seeds were found, under the influence of which wheat sprouts had an increase in such indicators as the length and dry weight of the root, the length of the leaf and the ratio of the root/shoot masses”
Claim · model-written summary
Selected pre-sowing UVB doses increased the root to shoot mass ratio.
- Taxon
- wheatTriticum aestivume0
- Treatment
- pre-sowing UVB radiatione0
- Outcome
- ratio of the root/shoot massese0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the pre-sowing UVB radiation dose values for seeds were found, under the influence of which wheat sprouts had an increase in such indicators as the length and dry weight of the root, the length of the leaf and the ratio of the root/shoot masses”
Claim · model-written summary
Nitrogen balance index remained higher as plants developed after seed UVB treatment.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- pre-sowing treatment with UVB radiatione0
- Outcome
- nitrogen balance indexe0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“as plants developed, the nitrogen balance index was always higher in the experiment with radiation in plants whose seeds were subjected to pre-sowing treatment with UVB radiation”
t0“Wheat”
Claim · model-written summary
At 0.5 J/cm2 UVB, grain weight per ear, spike weight, thousand seed weight and grain yield exceeded the check by 10.2% as a group.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- dose 0.5 J/cm2e0
- Outcome
- weight of grains per ear, spike weight, weight of 1000 pcs seeds and the grain yielde0
- Direction
- exceedede0
- Value
- 10.2%e0
- Comparator
- the checke0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat”
e0“Under the action of dose 0.5 J/cm2 the weighting parameters grain productivity such as weight of grains per ear, spike weight, weight of 1000 pcs seeds and the grain yield exceeded the check by 10.2%.”
Claim · model-written summary
UVB processing did not affect wheat grain quality.
- Taxon
- wheatTriticum aestivume0
- Treatment
- UVB processinge0
- Outcome
- quality of the wheat graine0
- Direction
- did not affecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The UVB processing did not affect the quality of the wheat grain.”
Claim · model-written summary
The authors conclude that XeCl-excilamp UVB radiation is promising for pre-sowing wheat stimulation.
- Taxon
- wheatTriticum aestivume0
- Outcome
- use of XeCl-excilamp UVB radiation for pre-sowing stimulatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the use of XeCl-excilamp UVB radiation for pre-sowing stimulation of wheat is promising”
The same questions in other papers
uv · growth · Triticum aestivum (wheat)Results differ
18 papers in the same direction as this paper · 26 in the opposite direction
- negative
- negative
- no effect
41 papers more in this group
See all 45 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.