Abstract
ABSTRACT Experiments were conducted to investigate the effects of epi‐brassinolide (0.01 μM EBL) priming and the foliar supplementation of hydrogen sulphide (50 μM HS) on nickel (Ni)‐stressed soybean growth, photosynthesis, and tolerance mechanisms. Treatment of Ni (500 μM NiCl 2 ) reduced growth parameters and the content of δ‐amino levulinic acid (δ‐ALA), total chlorophylls, and carotenoids. However, EBL priming and foliar HS application mitigated the decline significantly. Seed priming with EBL and HS supplementation alleviated the Ni‐induced decline in nitrate reductase activity, photosynthesis, stomatal conductance, transpiration, and intercellular CO 2 concentrations. EBL priming and HS mitigated the decline in nitrogen, potassium, and phosphorus under Ni stress and reduced oxidative stress parameters. A significant increase in osmolytes like glycine betaine and proline was imparted due to EBL priming and foliar HS application in non‐stressed and Ni‐stressed plants. The activity of γ‐glutamyl kinase increased and proline oxidase decreased due to EBL and HS treatments, hence increasing proline accumulation. In addition, the activities of antioxidant enzymes increased significantly due to EBL and HS treatments. The contents of ascorbic acid, reduced glutathione, and total phenols increased more conspicuously due to the combined treatment of EBL and HS in Ni‐stressed and non‐stressed plants. Total antioxidant activity (measured as DPPH and ABTS scavenging) was higher in EBL‐primed and HS‐treated plants under non‐stressed and stressed conditions. Hence, it is concluded that EBL priming and foliar HS application synergistically regulate tolerance mechanisms to alleviate the damaging effects of Ni.
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Claims 12
Claim · model-written summary
Nickel reduced soybean growth.
- Taxon
- Soybean
Glycine maxt0 - Treatment
- Ni (500 μM NiCl 2 )e0
- Outcome
- growth parameterse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Treatment of Ni (500 μM NiCl 2 ) reduced growth parameters”
t0“Soybean”
Claim · model-written summary
Nickel reduced δ-ALA, total chlorophyll and carotenoids.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Nie0
- Outcome
- content of δ‐amino levulinic acid (δ‐ALA), total chlorophylls, and carotenoidse0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced growth parameters and the content of δ‐amino levulinic acid (δ‐ALA), total chlorophylls, and carotenoids”
t0“Soybean”
Claim · model-written summary
EBL priming and HS mitigated nickel-related declines.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL priming and foliar HS applicatione0
- Outcome
- declinee0
- Direction
- mitigatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“EBL priming and foliar HS application mitigated the decline significantly”
t0“Soybean”
Claim · model-written summary
EBL and HS alleviated declines in nitrate reductase activity, photosynthesis, stomatal conductance, transpiration and intercellular CO2.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- Seed priming with EBL and HS supplementatione0
- Outcome
- nitrate reductase activity, photosynthesis, stomatal conductancee0
- Direction
- alleviatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed priming with EBL and HS supplementation alleviated the Ni‐induced decline in nitrate reductase activity, photosynthesis, stomatal conductance, transpiration, and intercellular CO 2 concentrations”
t0“Soybean”
Claim · model-written summary
EBL and HS mitigated nitrogen, potassium and phosphorus decline.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL priming and HSe0
- Outcome
- nitrogen, potassium, and phosphoruse0
- Direction
- mitigatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“EBL priming and HS mitigated the decline in nitrogen, potassium, and phosphorus under Ni stress”
t0“Soybean”
Claim · model-written summary
EBL and HS reduced oxidative stress parameters.
- Taxon
- SoybeanGlycine maxt0
- Outcome
- oxidative stress parameterse0
- Direction
- reducede0
Not reportedTreatmentComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“reduced oxidative stress parameters”
t0“Soybean”
Claim · model-written summary
EBL and HS significantly increased glycine betaine and proline.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL priming and foliar HS applicatione0
- Outcome
- glycine betaine and prolinee0
- Direction
- increasee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“A significant increase in osmolytes like glycine betaine and proline was imparted due to EBL priming and foliar HS application”
t0“Soybean”
Claim · model-written summary
EBL and HS increased γ-glutamyl kinase activity.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL and HS treatmentse0
- Outcome
- activity of γ‐glutamyl kinasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The activity of γ‐glutamyl kinase increased and proline oxidase decreased due to EBL and HS treatments”
t0“Soybean”
Claim · model-written summary
EBL and HS decreased proline oxidase activity.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL and HS treatmentse0
- Outcome
- proline oxidasee0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“proline oxidase decreased due to EBL and HS treatments”
t0“Soybean”
Claim · model-written summary
EBL and HS increased antioxidant enzyme activities.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL and HS treatmentse0
- Outcome
- activities of antioxidant enzymese0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the activities of antioxidant enzymes increased significantly due to EBL and HS treatments”
t0“Soybean”
Claim · model-written summary
Combined EBL and HS increased ascorbic acid, reduced glutathione and phenols.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- combined treatment of EBL and HSe0
- Outcome
- contents of ascorbic acid, reduced glutathione, and total phenolse0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The contents of ascorbic acid, reduced glutathione, and total phenols increased more conspicuously due to the combined treatment of EBL and HS”
t0“Soybean”
Claim · model-written summary
EBL-primed and HS-treated plants had higher total antioxidant activity.
- Taxon
- SoybeanGlycine maxt0
- Treatment
- EBL‐primed and HS‐treatede0
- Outcome
- Total antioxidant activitye0
- Direction
- highere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Total antioxidant activity (measured as DPPH and ABTS scavenging) was higher in EBL‐primed and HS‐treated plants”
t0“Soybean”
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See all 12 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.