Abstract
Plants often experience abiotic stress like salinity, drought, high or low temperature, flooding, metal toxicity, ozone, UV-radiations, herbicides, etc., which pose serious threat to the crop production. Germination studies showed that heavy metal exposure caused a decrease in seed germination and at higher doses the seeds failed to germinate. This was confirmed by root length and shoot length. Ascorbic acid content was found to be decreased in all the treatment groups. However the phenol content was found to be decreased significantly with increasing concentrations of metals. There was considerable increase in phenolic content in water logging conditions. Metal treatment also led to an increase in catalase activity, thus showing that abiotic stress induced oxidative stress in the plants and antioxidants tend to neutralize this stress.
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Claims 7
Claim · model-written summary
Heavy metal exposure decreased seed germination.
CapsicumNot reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“heavy metal exposure caused a decrease in seed germination”
t0“Capsicum Seeds (Solan Bharpur)”
Claim · model-written summary
At higher doses, seeds failed to germinate.
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“at higher doses the seeds failed to germinate”
t0“Capsicum Seeds (Solan Bharpur)”
Claim · model-written summary
Root and shoot length confirmed the germination response.
- Outcome
- root length and shoot lengthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This was confirmed by root length and shoot length.”
t0“Capsicum Seeds (Solan Bharpur)”
Claim · model-written summary
Ascorbic acid content decreased in all treatment groups.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Ascorbic acid content was found to be decreased in all the treatment groups.”
t0“Capsicum Seeds (Solan Bharpur)”
Claim · model-written summary
Phenol content decreased significantly as metal concentration increased.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“phenol content was found to be decreased significantly with increasing concentrations of metals”
t0“Capsicum Seeds (Solan Bharpur)”
Claim · model-written summary
Water logging considerably increased phenolic content.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“considerable increase in phenolic content in water logging conditions”
t0“Capsicum Seeds (Solan Bharpur)”
Claim · model-written summary
Metal treatment increased catalase activity.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Metal treatment also led to an increase in catalase activity”
t0“Capsicum Seeds (Solan Bharpur)”
The same questions in other papers
heavy metal · growth · Capsicum (peppers)Results agree
1 paper in the same direction as this paper
- negative
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.