Abstract
The paper investigates effects of detergent for domestic use on the photosynthetic activity and chlorophyll content in intact bean leaves. The plants were watered for 21 days with a solution of domestic washing powder of 0.60 g r/l. It was established that the activity of photosynthetic apparatus in the plant leaf PhACNorm [%] decreases exponentially with the length of plant treatment/watering. At the end of the treatment (21st day) the activity of photosynthetic apparatus in the dosed plant leaf was no more than 45% of that in control plant (those which were not watered with detergent solution). With increased plant treatment duration the changed chlorophyll concentration ΔChlNorm [%] rose non-linearly in plant leaves. The highest change ΔChlNorm [%] was observed on the 21st day and amounted to 12%.
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Claims 4
Claim · model-written summary
Photosynthetic apparatus activity decreased exponentially with detergent watering duration.
- Taxon
- beant0
- Treatment
- plant treatment/wateringe0
- Outcome
- activity of photosynthetic apparatuse0
- Direction
- decreases exponentiallye0
Not reportedComparator
Verbatim
e0“the activity of photosynthetic apparatus in the plant leaf PhACNorm [%] decreases exponentially with the length of plant treatment/watering.”
t0“bean leaves”
Claim · model-written summary
After 21 days, treated leaf photosynthetic activity was no more than 45% of control.
Verbatim
e0“At the end of the treatment (21st day) the activity of photosynthetic apparatus in the dosed plant leaf was no more than 45% of that in control plant (those which were not watered with detergent solution).”
t0“bean leaves”
Claim · model-written summary
Chlorophyll concentration change rose nonlinearly as treatment duration increased.
- Taxon
- beant0
- Treatment
- increased plant treatment duratione0
- Outcome
- changed chlorophyll concentratione0
- Direction
- rose non-linearlye0
Not reportedComparator
Verbatim
e0“With increased plant treatment duration the changed chlorophyll concentration ΔChlNorm [%] rose non-linearly in plant leaves.”
t0“bean leaves”
Claim · model-written summary
Chlorophyll change was highest on day 21 at 12%.
Verbatim
e0“The highest change ΔChlNorm [%] was observed on the 21st day and amounted to 12%.”
t0“bean leaves”
The same questions in other papers
irrigation · physiology: photosynthesis · Phaseolus vulgaris (common bean)Positive and negative results
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- positive
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See all 7 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.