Abstract
In order to understand the influence of both NaCl and osmotic PEG4000 stress on seed germination of Medicago sativa,five varieties of alfalfa seeds were selected to determine their germination rates and radicle lengths.Results show that germination rate and radicle length of alfalfa seeds have similar trends between five varieties under both NaCl and osmotic PEG4000 stress.NaCl can significantly reduce alfalfa seed germination rate,while PEG4000 has little influence(P0.05).Germinated seeds show short,thick radicle length with NaCl stress,while they appear as thin,long radicle lengths with PEG4000 stress.Medicago sativa 'Zhongmu No.3' shows less influence with NaCl stress than osmotic PEG4000 stress.Relative conductivities are reduced with NaCl stress while proline content is significantly increased with PEG4000 stress(P0.01).Chlorophyll contents show the lowest levels with NaCl stress,but show a slight rise with PEG4000 stress.In summary,salt stress appears more harmful than drought stress for Medicago sativa 'Zhongmu No.3'.
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Claims 11
Claim · model-written summary
Germination rate and radicle length followed similar trends across five alfalfa varieties under both stresses.
- Taxon
- alfalfa
Medicago sativae0 - Treatment
- NaCl and osmotic PEG4000 stresse0
- Outcome
- germination rate and radicle lengthe0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“germination rate and radicle length of alfalfa seeds have similar trends between five varieties under both NaCl and osmotic PEG4000 stress”
Claim · model-written summary
NaCl significantly reduced alfalfa seed germination rate.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- NaCle0
- Outcome
- seed germination ratee0
- Direction
- reducee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl can significantly reduce alfalfa seed germination rate”
Claim · model-written summary
PEG4000 had little effect on alfalfa seed germination rate.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- PEG4000e0
- Outcome
- seed germination ratee0
- Qualifier
- P0.05e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl can significantly reduce alfalfa seed germination rate,while PEG4000 has little influence(P0.05)”
Claim · model-written summary
NaCl stress yielded short, thick radicles.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- NaCl stresse0
- Outcome
- short,thick radicle lengthe0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl can significantly reduce alfalfa seed germination rate,while PEG4000 has little influence(P0.05).Germinated seeds show short,thick radicle length with NaCl stress”
Claim · model-written summary
PEG4000 stress yielded thin, long radicles.
- Taxon
- alfalfaMedicago sativae0
- Treatment
- PEG4000 stresse0
- Outcome
- thin,long radicle lengthse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“NaCl can significantly reduce alfalfa seed germination rate,while PEG4000 has little influence(P0.05).Germinated seeds show short,thick radicle length with NaCl stress,while they appear as thin,long radicle lengths with PEG4000 stress”
Claim · model-written summary
Zhongmu No.3 was less affected by NaCl than PEG4000.
- Taxon
- Medicago sativaMedicago sativae0
- Material
- Zhongmu No.3e0
- Treatment
- NaCl stresse0
- Outcome
- less influencee0
- Direction
- lesse0
- Comparator
- osmotic PEG4000 stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medicago sativa 'Zhongmu No.3' shows less influence with NaCl stress than osmotic PEG4000 stress”
Claim · model-written summary
NaCl stress reduced relative conductivity.
- Taxon
- Medicago sativaMedicago sativae0
- Treatment
- NaCl stresse0
- Outcome
- Relative conductivitiese0
- Direction
- reducede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medicago sativa 'Zhongmu No.3' shows less influence with NaCl stress than osmotic PEG4000 stress.Relative conductivities are reduced with NaCl stress”
Claim · model-written summary
PEG4000 stress significantly increased proline content.
- Taxon
- Medicago sativaMedicago sativae0
- Treatment
- PEG4000 stresse0
- Outcome
- proline contente0
- Direction
- increasede0
- Qualifier
- P0.01e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medicago sativa 'Zhongmu No.3' shows less influence with NaCl stress than osmotic PEG4000 stress.Relative conductivities are reduced with NaCl stress while proline content is significantly increased with PEG4000 stress(P0.01)”
Claim · model-written summary
Chlorophyll content was lowest under NaCl stress.
- Taxon
- Medicago sativaMedicago sativae0
- Treatment
- NaCl stresse0
- Outcome
- Chlorophyll contentse0
- Direction
- loweste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medicago sativa 'Zhongmu No.3' shows less influence with NaCl stress than osmotic PEG4000 stress.Relative conductivities are reduced with NaCl stress while proline content is significantly increased with PEG4000 stress(P0.01).Chlorophyll contents show the lowest levels with NaCl stress”
Claim · model-written summary
Chlorophyll content rose slightly under PEG4000 stress.
- Taxon
- Medicago sativaMedicago sativae0
- Treatment
- PEG4000 stresse0
- Outcome
- Chlorophyll contentse0
- Direction
- risee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Medicago sativa 'Zhongmu No.3' shows less influence with NaCl stress than osmotic PEG4000 stress.Relative conductivities are reduced with NaCl stress while proline content is significantly increased with PEG4000 stress(P0.01).Chlorophyll contents show the lowest levels with NaCl stress,but show a slight rise with PEG4000 stress”
Claim · model-written summary
The authors conclude that salt stress is more harmful than drought stress to Zhongmu No.3.
- Taxon
- Medicago sativaMedicago sativae0
- Material
- Zhongmu No.3e0
- Outcome
- more harmful than drought stresse0
- Comparator
- drought stresse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“salt stress appears more harmful than drought stress for Medicago sativa 'Zhongmu No.3'”
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