Abstract
The germination of wheat and physiological and biochemical reactions of seedling were studied with a series of experiments on combination of pollutants of As and Zn. The results showed that Zn played a positive effect on wheat grains in the presence of Zn≤100 mg·L-1. With the increase of treatment concentration, it inhibited wheat growth including decreasing germination rate, germination potential, bud length and weight, root length and weight, weakening activity of α-amylase and increasing content of MDA. At the low level (10 mg·L-1), As played a negative effect on plants. The higher treatment concentration was, the stronger its negative effects were. When wheat gains were polluted by As-Zn combination, Zn had an antagonism effect on As. When concentration of As was low (≤20 mg·L-1), the accession of Zn reduced the poison of As to wheat seedling, promoted growth of wheat seedling and increased content of chlorophyll and activity ofα-amylase, decreased content of As in root and bud. In addition, Zn had a synergism effect on As when concentration of As was high (20 mg·L-1), which aggravated the poison of single pollution to wheat seedling. Otherwise, in any concentration of Zn the accession of As restrained Zn accumulation in root and bud of wheat seedling.
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Claims 13
Claim · model-written summary
Zn up to 100 mg·L-1 benefited wheat grains.
- Taxon
- Wheat
Triticum aestivumt0 - Treatment
- Zn≤100 mg·L-1e0
- Outcome
- wheat grainse0
- Direction
- positivee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“Zn played a positive effect on wheat grains in the presence of Zn≤100 mg·L-1”
Claim · model-written summary
Increasing pollutant concentration decreased wheat germination rate and potential.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- treatment concentratione0
- Outcome
- germination rate, germination potentiale0
- Direction
- decreasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“With the increase of treatment concentration, it inhibited wheat growth including decreasing germination rate, germination potential, bud length and weight, root length and weight, weakening activity of α-amylase and increasing content of MDA”
Claim · model-written summary
Increasing pollutant concentration decreased bud length and weight and root length and weight.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- treatment concentratione0
- Outcome
- bud length and weight, root length and weighte0
- Direction
- decreasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“With the increase of treatment concentration, it inhibited wheat growth including decreasing germination rate, germination potential, bud length and weight, root length and weight, weakening activity of α-amylase and increasing content of MDA”
Claim · model-written summary
Increasing pollutant concentration weakened α-amylase activity.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- treatment concentratione0
- Outcome
- activity of α-amylasee0
- Direction
- weakeninge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“With the increase of treatment concentration, it inhibited wheat growth including decreasing germination rate, germination potential, bud length and weight, root length and weight, weakening activity of α-amylase and increasing content of MDA”
Claim · model-written summary
Increasing pollutant concentration increased MDA content.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- treatment concentratione0
- Outcome
- content of MDAe0
- Direction
- increasinge0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“With the increase of treatment concentration, it inhibited wheat growth including decreasing germination rate, germination potential, bud length and weight, root length and weight, weakening activity of α-amylase and increasing content of MDA”
Claim · model-written summary
As had a negative effect at 10 mg·L-1, increasing at higher concentrations.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Ase0
- Outcome
- negative effecte0
- Direction
- negativee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“At the low level (10 mg·L-1), As played a negative effect on plants. The higher treatment concentration was, the stronger its negative effects were.”
Claim · model-written summary
Zn antagonized As toxicity under combined pollution.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- As-Zn combinatione0
- Outcome
- antagonism effecte0
- Direction
- antagonisme0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“When wheat gains were polluted by As-Zn combination, Zn had an antagonism effect on As.”
Claim · model-written summary
Adding Zn at low As concentrations reduced As toxicity and promoted seedling growth.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- accession of Zne0
- Outcome
- poison of As to wheat seedlinge0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“When concentration of As was low (≤20 mg·L-1), the accession of Zn reduced the poison of As to wheat seedling, promoted growth of wheat seedling and increased content of chlorophyll and activity ofα-amylase, decreased content of As in root and bud.”
Claim · model-written summary
Adding Zn at low As concentrations promoted wheat seedling growth.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- accession of Zne0
- Outcome
- growth of wheat seedlinge0
- Direction
- promotede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“When concentration of As was low (≤20 mg·L-1), the accession of Zn reduced the poison of As to wheat seedling, promoted growth of wheat seedling and increased content of chlorophyll and activity ofα-amylase, decreased content of As in root and bud.”
Claim · model-written summary
Adding Zn at low As concentrations increased chlorophyll content and α-amylase activity.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- accession of Zne0
- Outcome
- content of chlorophyll and activity ofα-amylasee0
- Direction
- increasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“When concentration of As was low (≤20 mg·L-1), the accession of Zn reduced the poison of As to wheat seedling, promoted growth of wheat seedling and increased content of chlorophyll and activity ofα-amylase, decreased content of As in root and bud.”
Claim · model-written summary
Adding Zn at low As concentrations decreased As content in root and bud.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- accession of Zne0
- Outcome
- content of As in root and bude0
- Direction
- decreasede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“When concentration of As was low (≤20 mg·L-1), the accession of Zn reduced the poison of As to wheat seedling, promoted growth of wheat seedling and increased content of chlorophyll and activity ofα-amylase, decreased content of As in root and bud.”
Claim · model-written summary
At high As concentration, Zn synergized with As and aggravated wheat seedling toxicity.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- Zne0
- Outcome
- poison of single pollution to wheat seedlinge0
- Direction
- aggravatede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“Zn had a synergism effect on As when concentration of As was high (20 mg·L-1), which aggravated the poison of single pollution to wheat seedling”
Claim · model-written summary
Adding As restrained Zn accumulation in wheat root and bud at any Zn concentration.
- Taxon
- WheatTriticum aestivumt0
- Treatment
- accession of Ase0
- Outcome
- Zn accumulation in root and bud of wheat seedlinge0
- Direction
- restrainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Wheat Seedling”
e0“in any concentration of Zn the accession of As restrained Zn accumulation in root and bud of wheat seedling”
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