Abstract
summary Potted plants of Vicia faba L. cv. ‘Con Amore', grown either in soil or quartz gravel were exposed in eight open‐top chambers to two levels of SO 2 (charcoal‐filtered air and charcoal‐filtered air enriched with SO 2 ) and two artificial rain treatments (pH 5.6 and pH 3.0/4.0), alone or in combination. SO 2 was dosed continuously (55–90 μg m −3 for 56 days) and rain solutions were applied on three days each week for 8–9 min each day resulting in 4.45 mm rainfall per week and a total H + deposition of 0.15 kg ha −1 and a total water deposition of 37 mm. Variables measured at different stages of plant development included fresh and dry weight of whole plants, leaves, stalks, fruits and roots; number of leaves, stalks, blossoms, pods and seeds; leaf area; plant height; sulphur content. While the sulphur content of the leaves of all plants significantly increased due to the SO 2 fumigation, the effect on the growth of young plants depended on the root medium; plants grown in soil were mainly influenced in a positive manner (increase of fresh and dry weight; number of leaves, blossoms and pods), whereas plants grown in quartz gravel were negatively affected. At maturity these tendencies were only observed in marketable products like seeds (plants grown in soil) or pods (plants grown in quartz gravel). The acid‐rain treatment resulted in a decrease of total fresh and dry weight and fruit production of plants grown in soil, while, particularly at the beginning of the rain treatments, dry weight of whole plants and leaves as well as the number of leaves of plants grown in quartz gravel decreased. Some interactions between the two pollutants, which were mostly negative in nature, were also observed.
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Claims 8
Claim · model-written summary
SO2 fumigation significantly increased leaf sulphur content in all broad bean plants.
- Taxon
- broad bean plants
Vicia fabat0 - Treatment
- SO 2 fumigatione0
- Outcome
- sulphur content of the leavese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the sulphur content of the leaves of all plants significantly increased due to the SO 2 fumigation”
t0“broad bean plants”
Claim · model-written summary
SO2 increased young broad bean fresh and dry weight and numbers of leaves, blossoms and pods in soil.
- Taxon
- broad bean plantsVicia fabat0
- Treatment
- SO 2 fumigatione1
- Outcome
- fresh and dry weight; number of leaves, blossoms and podse0
- Direction
- increasee0
- Setting
- soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants grown in soil were mainly influenced in a positive manner (increase of fresh and dry weight; number of leaves, blossoms and pods)”
e1“due to the SO 2 fumigation”
t0“broad bean plants”
Claim · model-written summary
SO2 negatively affected young broad bean growth in quartz gravel.
- Taxon
- broad bean plantsVicia fabat0
- Treatment
- SO 2 fumigatione2
- Outcome
- growth of young plantse1
- Direction
- negatively affectede0
- Setting
- quartz gravele0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“plants grown in quartz gravel were negatively affected”
e1“effect on the growth of young plants”
e2“SO 2 fumigation”
t0“broad bean plants”
Claim · model-written summary
At maturity, SO2 growth tendencies were observed in seeds from soil grown plants.
- Taxon
- broad bean plantsVicia fabat0
- Outcome
- marketable products like seedse0
- Setting
- soile0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At maturity these tendencies were only observed in marketable products like seeds (plants grown in soil)”
t0“broad bean plants”
Claim · model-written summary
At maturity, SO2 growth tendencies were observed in pods from quartz gravel grown plants.
- Taxon
- broad bean plantsVicia fabat0
- Outcome
- podse0
- Setting
- quartz gravele0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At maturity these tendencies were only observed in marketable products like seeds (plants grown in soil) or pods (plants grown in quartz gravel)”
t0“broad bean plants”
Claim · model-written summary
Acid rain decreased total fresh and dry weight and fruit production in soil grown broad bean plants.
- Taxon
- broad bean plantsVicia fabat0
- Treatment
- acid‐rain treatmente0
- Outcome
- total fresh and dry weight and fruit productione0
- Direction
- decreasee0
- Setting
- soile0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The acid‐rain treatment resulted in a decrease of total fresh and dry weight and fruit production of plants grown in soil”
t0“broad bean plants”
Claim · model-written summary
Acid rain decreased whole plant and leaf dry weight and leaf number in quartz gravel grown broad bean plants, particularly early in treatment.
- Taxon
- broad bean plantsVicia fabat0
- Treatment
- acid‐rain treatmente1
- Outcome
- dry weight of whole plants and leaves as well as the number of leavese0
- Direction
- decreasede0
- Qualifier
- at the beginning of the rain treatmentse0
- Setting
- quartz gravele0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“particularly at the beginning of the rain treatments, dry weight of whole plants and leaves as well as the number of leaves of plants grown in quartz gravel decreased”
e1“The acid‐rain treatment”
t0“broad bean plants”
Claim · model-written summary
Interactions between sulfur dioxide and acid rain were mostly negative.
- Taxon
- broad bean plantsVicia fabat0
- Outcome
- interactions between the two pollutantse0
- Direction
- mostly negativee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Some interactions between the two pollutants, which were mostly negative in nature, were also observed”
t0“broad bean plants”
The same questions in other papers
solarization · growth · Vicia faba (faba bean)Positive and negative results
1 paper in the same direction as this paper · 1 in the opposite direction
- negative
- positive
pollution · growth · Vicia faba (faba bean)Positive and negative results
3 in the opposite direction
- negative
- negative
- negative
pollution · yield · Vicia faba (faba bean)Results agree
2 papers in the same direction as this paper
- negative
- no effect
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.