Abstract
Effects of enhanced ultraviolet-B (UV-B) radiation on growth, yield and stable carbon isotope composition (delta C-13 value) in ten cultivars of Glycine max (L.) Merr. were investigated under field conditions. Supplemental UV-B irradiation simulated a 20% stratospheric ozone depletion in Lanzhou on summer solstice day. UV-B radiation reduced biomass and yield in all soybean cultivars, by 24.2% and 23.3%, respectively. However, the harvest index increased in 6 of ten soybean cultivars but reduced in 4 cultivars, the average increment was 1.39%. As compared with control, the decrease in delta C-13 value by UV-B was observed in most cultivars, except in cutlivar "8907-32" increase was found. There were also organ differences of stable carbon isotope composition under enhanced UV-B irradiation. delta C-13 of roots was the highest and of leaves was the lowest, delta C-13 value in stem was higher than in seeds. The results indicated that UV-B enhancement might change the metabolic process and the allocation of metabolite.
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Claims 9
Claim · model-written summary
UV-B reduced soybean biomass by 24.2% in all cultivars under field conditions.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- Supplemental UV-B irradiatione1
- Outcome
- biomasse2
- Direction
- reducede2
- Value
- 24.2%e2
- Qualifier
- in all soybean cultivarse2
- Comparator
- controle7
- Setting
- field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e0“Effects of enhanced ultraviolet-B (UV-B) radiation on growth, yield and stable carbon isotope composition (delta C-13 value) in ten cultivars of Glycine max (L.) Merr. were investigated under field conditions”
e1“Supplemental UV-B irradiation simulated a 20% stratospheric ozone depletion in Lanzhou on summer solstice day”
e2“UV-B radiation reduced biomass and yield in all soybean cultivars, by 24.2% and 23.3%, respectively”
e7“As compared with control”
Claim · model-written summary
UV-B reduced soybean yield by 23.3% in all cultivars under field conditions.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- Supplemental UV-B irradiatione1
- Outcome
- yielde2
- Direction
- reducede2
- Value
- 23.3%e2
- Qualifier
- in all soybean cultivarse2
- Comparator
- controle7
- Setting
- field conditionse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e0“Effects of enhanced ultraviolet-B (UV-B) radiation on growth, yield and stable carbon isotope composition (delta C-13 value) in ten cultivars of Glycine max (L.) Merr. were investigated under field conditions”
e1“Supplemental UV-B irradiation simulated a 20% stratospheric ozone depletion in Lanzhou on summer solstice day”
e2“UV-B radiation reduced biomass and yield in all soybean cultivars, by 24.2% and 23.3%, respectively”
e7“As compared with control”
Claim · model-written summary
UV-B increased harvest index in 6 of ten soybean cultivars, by an average of 1.39%.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- Supplemental UV-B irradiatione1
- Outcome
- harvest indexe3
- Direction
- increasede3
- Value
- 1.39%e3
- Qualifier
- in 6 of ten soybean cultivarse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e1“Supplemental UV-B irradiation simulated a 20% stratospheric ozone depletion in Lanzhou on summer solstice day”
e3“the harvest index increased in 6 of ten soybean cultivars but reduced in 4 cultivars, the average increment was 1.39%”
Claim · model-written summary
UV-B reduced harvest index in 4 of ten soybean cultivars.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- Supplemental UV-B irradiatione1
- Outcome
- harvest indexe3
- Direction
- reducede3
- Qualifier
- in 4 cultivarse3
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e1“Supplemental UV-B irradiation simulated a 20% stratospheric ozone depletion in Lanzhou on summer solstice day”
e3“the harvest index increased in 6 of ten soybean cultivars but reduced in 4 cultivars, the average increment was 1.39%”
Claim · model-written summary
UV-B decreased delta C-13 value in most soybean cultivars compared with control.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- UV-Be4
- Outcome
- delta C-13 valuee4
- Direction
- decreasee4
- Qualifier
- most cultivarse4
- Comparator
- controle7
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e4“the decrease in delta C-13 value by UV-B was observed in most cultivars”
e7“As compared with control”
Claim · model-written summary
Delta C-13 was highest in roots of soybean.
- Taxon
- Glycine max
Glycine maxt0 - Organ / stage
- rootse5
- Outcome
- delta C-13e5
- Direction
- higheste5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e5“delta C-13 of roots was the highest and of leaves was the lowest, delta C-13 value in stem was higher than in seeds”
Claim · model-written summary
Delta C-13 was lowest in leaves of soybean.
- Taxon
- Glycine max
Glycine maxt0 - Organ / stage
- leavese5
- Outcome
- delta C-13e5
- Direction
- loweste5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e5“delta C-13 of roots was the highest and of leaves was the lowest, delta C-13 value in stem was higher than in seeds”
Claim · model-written summary
Delta C-13 value in stem was higher than in seeds.
- Taxon
- Glycine max
Glycine maxt0 - Organ / stage
- steme5
- Outcome
- delta C-13 valuee5
- Direction
- highere5
- Comparator
- seedse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e5“delta C-13 of roots was the highest and of leaves was the lowest, delta C-13 value in stem was higher than in seeds”
Claim · model-written summary
UV-B enhancement may change the metabolic process and the allocation of metabolites in soybean.
- Taxon
- Glycine max
Glycine maxt0 - Treatment
- UV-B enhancemente6
- Outcome
- allocation of metabolitee6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
t0“Glycine max cultivars”
e6“The results indicated that UV-B enhancement might change the metabolic process and the allocation of metabolite”
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See all 50 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.