Abstract
The effects of seed germination and seedling growth of rye and wheat under leader stress were studied, respectively. The results showed that Pb^{2+} stimulated the seed germination at the lower concentrations and restrained the seed germination at the higher concentrations. At the initial stage of stress reaction, Pb^{2+} stimulated the seedling growth at the lower concentrations, but with the extend of stress and increase of the Pb^{2+} concentration, the activated effect turned to restrained effect and the restrained effect increased gradually. Pb^{2+} restrained root growth remarkably. The seedling growth was more affected by the Pb^{2+} stress than the seed germination, and the root growth was the most sensitive to the Pb^{2+} stress.
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Claims 7
Claim · model-written summary
Low Pb concentrations stimulated rye and wheat seed germination.
- Taxon
- rye and wheat
Secale cereale
Triticum aestivumt0 - Treatment
- Pb^{2+}e0
- Outcome
- seed germinatione0
- Direction
- stimulatede0
- Qualifier
- lower concentrationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb^{2+} stimulated the seed germination at the lower concentrations and restrained the seed germination at the higher concentrations.”
t0“rye and wheat”
Claim · model-written summary
High Pb concentrations restrained rye and wheat seed germination.
- Taxon
- rye and wheatSecale cerealeTriticum aestivumt0
- Treatment
- Pb^{2+}e0
- Outcome
- seed germinatione0
- Direction
- restrainede0
- Qualifier
- higher concentrationse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb^{2+} stimulated the seed germination at the lower concentrations and restrained the seed germination at the higher concentrations.”
t0“rye and wheat”
Claim · model-written summary
Low Pb concentrations initially stimulated rye and wheat seedling growth.
- Taxon
- rye and wheatSecale cerealeTriticum aestivumt0
- Treatment
- Pb^{2+}e0
- Outcome
- seedling growthe0
- Direction
- stimulatede0
- Qualifier
- initial stage of stress reactione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the initial stage of stress reaction, Pb^{2+} stimulated the seedling growth at the lower concentrations, but with the extend of stress and increase of the Pb^{2+} concentration, the activated effect turned to restrained effect and the restrained effect increased gradually.”
t0“rye and wheat”
Claim · model-written summary
Increasing Pb concentration and stress duration restrained rye and wheat seedling growth increasingly.
- Taxon
- rye and wheatSecale cerealeTriticum aestivumt0
- Treatment
- Pb^{2+}e0
- Outcome
- seedling growthe0
- Direction
- restrainede0
- Qualifier
- extend of stress and increase of the Pb^{2+} concentratione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“At the initial stage of stress reaction, Pb^{2+} stimulated the seedling growth at the lower concentrations, but with the extend of stress and increase of the Pb^{2+} concentration, the activated effect turned to restrained effect and the restrained effect increased gradually.”
t0“rye and wheat”
Claim · model-written summary
Pb markedly restrained rye and wheat root growth.
- Taxon
- rye and wheatSecale cerealeTriticum aestivumt0
- Treatment
- Pb^{2+}e0
- Outcome
- root growthe0
- Direction
- restrainede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Pb^{2+} restrained root growth remarkably.”
t0“rye and wheat”
Claim · model-written summary
Seedling growth was more affected by Pb than germination.
- Taxon
- rye and wheatSecale cerealeTriticum aestivumt0
- Treatment
- Pb^{2+} stresse0
- Outcome
- seedling growthe0
- Direction
- more affectede0
- Comparator
- seed germinatione0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seedling growth was more affected by the Pb^{2+} stress than the seed germination, and the root growth was the most sensitive to the Pb^{2+} stress.”
t0“rye and wheat”
Claim · model-written summary
Root growth was the most sensitive response to Pb stress.
- Taxon
- rye and wheatSecale cerealeTriticum aestivumt0
- Treatment
- Pb^{2+} stresse0
- Outcome
- root growthe0
- Direction
- most sensitivee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The seedling growth was more affected by the Pb^{2+} stress than the seed germination, and the root growth was the most sensitive to the Pb^{2+} stress.”
t0“rye and wheat”
The same questions in other papers
lead atom · growth · Triticum aestivum (wheat)Results differ
3 papers in the same direction as this paper · 26 in the opposite direction
- negative
- negative
- negative
26 papers more in this group
See all 30 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.