Abstract
Salinization has severe influences on agriculture in the whole world. The main aims of this work were to evaluate osmotic effect and ion effect of NaCl on seed germination of three sunflower (Helianthus annuus L.) cultivars interacting with three alternating temperature regimes and to select the most salt tolerant cultivars to plant in the saline region. Seeds were germinated in the isotonic NaCl and polyethylene glycol (PEG) solutions of -0.45, -0.90, -1.34, -1.79, and -2.24 MPa at 10:20, 15:25, and 20:30 °C temperature regimes. Both NaCl and PEG inhibited germination, but the effects of NaCl were less as compared to that of PEG, which means that adverse effects of PEG on germination were due to osmotic effect rather than specific ion accumulation. For the three cultivars, higher germination occurred at 10:20 °C in NaCl treatments and at 20:30 °C in the isotonic PEG treatments. Among the three cultivars, Sandaomei (SDM) is the most tolerant to salt and PEG stress.
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Claims 6
Claim · model-written summary
Both NaCl and PEG inhibited sunflower seed germination
- Taxon
- Sunflower
Helianthus annuust0 - Treatment
- NaCl and PEGe1
- Outcome
- germinatione1
- Direction
- inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sunflower”
e1“Both NaCl and PEG inhibited germination, but the effects of NaCl were less as compared to that of PEG”
Claim · model-written summary
Effects of NaCl on sunflower germination were less than those of PEG
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sunflower”
e1“Both NaCl and PEG inhibited germination, but the effects of NaCl were less as compared to that of PEG”
Claim · model-written summary
Adverse effects of PEG on germination were attributed to osmotic effect rather than specific ion accumulation
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- PEGe3
- Outcome
- adverse effects of PEG on germinatione3
- Qualifier
- osmotic effect rather than specific ion accumulatione3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sunflower”
e3“adverse effects of PEG on germination were due to osmotic effect rather than specific ion accumulation”
Claim · model-written summary
Higher sunflower germination occurred at 10:20 °C in NaCl treatments
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- NaCl treatmentse4
- Outcome
- germinatione4
- Direction
- highere4
- Qualifier
- 10:20 °Ce4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sunflower”
e4“higher germination occurred at 10:20 °C in NaCl treatments and at 20:30 °C in the isotonic PEG treatments”
Claim · model-written summary
Higher sunflower germination occurred at 20:30 °C in isotonic PEG treatments
- Taxon
- SunflowerHelianthus annuust0
- Treatment
- isotonic PEG treatmentse4
- Outcome
- germinatione4
- Direction
- highere4
- Qualifier
- 20:30 °Ce4
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sunflower”
e4“higher germination occurred at 10:20 °C in NaCl treatments and at 20:30 °C in the isotonic PEG treatments”
Claim · model-written summary
Sandaomei is the most salt and PEG stress tolerant of the three sunflower cultivars
- Taxon
- SunflowerHelianthus annuust0
- Material
- Sandaomei (SDM)e5
- Treatment
- salt and PEG stresse5
- Outcome
- tolerante5
- Direction
- most tolerante5
- Comparator
- three cultivarse5
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
t0“Sunflower”
e5“Among the three cultivars, Sandaomei (SDM) is the most tolerant to salt and PEG stress”
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- negative
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See all 6 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.