Abstract
Abstract: This survey was led on the Atriplex that are some Xerohalophytes plants capable to evolve naturally in the salty ecosystems. However, in phase of germination, they stay sensible to salt stress as the remainder plants. During this test, we measured the answer of three different species of Atriplex to the salinity through certain parameters which are: rate of cumulated (RCG) germination, the middle time of germination (MTG) and the coefficient of the germination uniformity (CGU). We also tested some used treatments to break the dormancy that consisted to the imbibation or the decortication of the seminal pericarp. Results showed that the three studied species varied greatly between them, for their germinated faculty as well as to their answers to salt stress and to the treatment of the breaking dormancy. The weak values of the CGU have also marked the lots of the same seeds by a large variability during germination. Results have presented the local species A. halimus as the most tolerant to the salt stress and the least suffering to the problem of the pericarp inhibition. We have also noticed that the treatment of the breaking dormancy improved significantly the rate and the speed of germination. We also noted in all species, that beyond the dose of 8g/l of NaCl, the germination becomes more and slower until the total inhibition. These results can be exploited in programs of the rehabilitation of saline site Key words: Atriplex Germination Salt stress Pericarp inhibition Steppe
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Claims 6
Claim · model-written summary
Three Atriplex species differed in germination ability, salt response and dormancy breaking response.
AtriplexOrganisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the three studied species varied greatly between them, for their germinated faculty as well as to their answers to salt stress and to the treatment of the breaking dormancy.”
t0“Atriplex Species”
Claim · model-written summary
Low germination uniformity indicated large within-lot seed variability.
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The weak values of the CGU have also marked the lots of the same seeds by a large variability during germination.”
t0“Atriplex Species”
Claim · model-written summary
A. halimus was the most salt tolerant species.
- Taxon
- A. halimus
Atriplex halimuse0 - Outcome
- tolerant to the salt stresse0
- Direction
- moste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the local species A. halimus as the most tolerant to the salt stress and the least suffering to the problem of the pericarp inhibition.”
Claim · model-written summary
A. halimus was least affected by pericarp inhibition.
- Taxon
- A. halimusAtriplex halimuse0
- Outcome
- pericarp inhibitione0
- Direction
- least sufferinge0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the local species A. halimus as the most tolerant to the salt stress and the least suffering to the problem of the pericarp inhibition.”
Claim · model-written summary
Dormancy breaking treatment significantly improved Atriplex germination rate and speed.
- Treatment
- treatment of the breaking dormancye0
- Outcome
- rate and the speed of germinatione0
- Direction
- improvede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the treatment of the breaking dormancy improved significantly the rate and the speed of germination.”
t0“Atriplex Species”
Claim · model-written summary
Above 8g/l NaCl, germination slowed progressively until complete inhibition in all species.
- Treatment
- beyond the dose of 8g/l of NaCle0
- Outcome
- germinatione0
- Direction
- slowere0
- Qualifier
- in all speciese0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in all species, that beyond the dose of 8g/l of NaCl, the germination becomes more and slower until the total inhibition.”
t0“Atriplex Species”
The same questions in other papers
sodium chloride · growth · AtriplexResults agree
2 papers in the same direction as this paper
- negative
- 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.