Abstract
Effects of seed priming treatments with 0.5% KH2PO4 (w/v) solution and water were determined on germination and seedling characters of hexaploid triticale (Triticosecale Witm., cv. Presto) in different osmotic potential of NaCl and PEG solutions. Drought and salt osmotic stress conditions were separately created by using PEG 6000 and NaCl, respectively, at different osmotic potentials (-0.45, -0.77, -1.03 and -1.44 MPa and control). At the equivalent osmotic potential, the effects of PEG 6000 were more harmful than NaCl on germination and seedling stage. Germination percentage and seedling growth and also relative water content (RWC, %) decreased with the decrease in osmotic potential of PEG 6000 and NaCl. But root-to-shoot length ratios increased with the effects of osmotic stress of PEG 6000 and NaCl. Despite the negative effects of two stress conditions, the two priming treatments were effective in improving germination percentage and seedling growth in Presto. But seed primed treatment was effective at the lowest osmotic potentials; therefore, seedling growth survived at the highest concentrations. Consequently, the effect of hydropriming is very pronounced particularly in improving germination and seedling growth in low stress.
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Claims 7
Claim · model-written summary
At equivalent osmotic potential, PEG 6000 harmed germination and seedlings more than NaCl.
Not reportedTaxon
Verbatim
e0“At the equivalent osmotic potential, the effects of PEG 6000 were more harmful than NaCl on germination and seedling stage.”
Claim · model-written summary
Germination percentage and seedling growth decreased as PEG 6000 osmotic potential decreased.
Not reportedTaxon
Verbatim
e0“Germination percentage and seedling growth and also relative water content (RWC, %) decreased with the decrease in osmotic potential of PEG 6000 and NaCl.”
Claim · model-written summary
Relative water content decreased as PEG 6000 and NaCl osmotic potential decreased.
Not reportedTaxon
Verbatim
e0“relative water content (RWC, %) decreased with the decrease in osmotic potential of PEG 6000 and NaCl.”
Claim · model-written summary
Root-to-shoot length ratios increased under PEG 6000 and NaCl osmotic stress.
- Treatment
- osmotic stress of PEG 6000 and NaCle0
- Outcome
- root-to-shoot length ratiose0
- Direction
- increasede0
Not reportedTaxonComparator
Verbatim
e0“root-to-shoot length ratios increased with the effects of osmotic stress of PEG 6000 and NaCl.”
Claim · model-written summary
The two priming treatments improved Presto germination and seedling growth despite stress.
- Material
- Prestoe0
- Treatment
- the two priming treatmentse0
- Outcome
- germination percentage and seedling growthe0
- Direction
- improvinge0
Not reportedTaxonComparator
Verbatim
e0“the two priming treatments were effective in improving germination percentage and seedling growth in Presto.”
Claim · model-written summary
Seed priming supported seedling survival at the highest concentrations.
Not reportedTaxonTreatmentComparatorDirection
Verbatim
e0“seedling growth survived at the highest concentrations”
Claim · model-written summary
Hydropriming particularly improved germination and seedling growth under low stress.
- Treatment
- hydropriminge0
- Outcome
- germination and seedling growthe0
- Direction
- improvinge0
- Qualifier
- low stresse0
Not reportedTaxonComparator
Verbatim
e0“the effect of hydropriming is very pronounced particularly in improving germination and seedling growth in low stress.”