Abstract
SUMMARY Osmotic priming of carrot seeds for 2 wk in polyethylene glycol (PEG, — 10 MPa) at 15 °C led to more rapid and synchronous germination at 20 °C compared to untreated seeds. These responses were enhanced by a 24 h pre‐priming soak in water or a change of solution after the first 24 h of priming to remove leachate. The inclusion of 200 mg litre ‐1 N‐substituted phthalimide in the pre‐priming soak and/or in the PEG further enhanced the results of priming. Leachate removal combined with phthalimide inclusion gave 79% and 86% germination from seeds of two carrot cultivars during the first day in 20°C water following priming. In contrast, cumulative germination of untreated seeds of the same cultivars was 18% and 61% respectively after 3 days in 20°C water. Seeds primed in PEG containing 200 mg phthalimide litre ‐1 with the solution replaced after the first 24 h germinated earlier and more synchronously than untreated seeds over a range of germination temperatures (5, 10, 15, or 20°C), but the effects of priming were most marked at 5°C.
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Claims 11
Claim · model-written summary
PEG priming made carrot germination faster and more synchronous than untreated seed.
- Taxon
- carrot
Daucus carotae0 - Treatment
- Osmotic priming of carrot seeds for 2 wk in polyethylene glycol (PEG, — 10 MPa) at 15 °Ce0
- Outcome
- rapid and synchronous germinatione0
- Direction
- more rapid and synchronouse0
- Comparator
- untreated seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Osmotic priming of carrot seeds for 2 wk in polyethylene glycol (PEG, — 10 MPa) at 15 °C led to more rapid and synchronous germination at 20 °C compared to untreated seeds”
Claim · model-written summary
A water pre-soak enhanced the priming response.
- Taxon
- carrotDaucus carotat0
- Treatment
- 24 h pre‐priming soak in watere0
- Outcome
- responsese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These responses were enhanced by a 24 h pre‐priming soak in water”
t0“carrot”
Claim · model-written summary
Replacing priming solution after 24 hours enhanced the response.
- Taxon
- carrotDaucus carotat0
- Treatment
- change of solution after the first 24 h of priming to remove leachatee0
- Outcome
- responsese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“These responses were enhanced by a 24 h pre‐priming soak in water or a change of solution after the first 24 h of priming to remove leachate”
t0“carrot”
Claim · model-written summary
Phthalimide in the pre-soak enhanced priming results.
- Taxon
- carrotDaucus carotat0
- Treatment
- 200 mg litre ‐1 N‐substituted phthalimide in the pre‐priming soake0
- Outcome
- results of priminge0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inclusion of 200 mg litre ‐1 N‐substituted phthalimide in the pre‐priming soak and/or in the PEG further enhanced the results of priming”
t0“carrot”
Claim · model-written summary
Phthalimide in PEG enhanced priming results.
- Taxon
- carrotDaucus carotat0
- Treatment
- 200 mg litre ‐1 N‐substituted phthalimidee0
- Outcome
- results of priminge0
- Direction
- enhancede0
- Qualifier
- in the PEGe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The inclusion of 200 mg litre ‐1 N‐substituted phthalimide in the pre‐priming soak and/or in the PEG further enhanced the results of priming”
t0“carrot”
Claim · model-written summary
Leachate removal with phthalimide yielded 79% first-day germination in one cultivar.
- Taxon
- carrotDaucus carotae0
- Treatment
- Leachate removal combined with phthalimide inclusione0
- Outcome
- germinatione0
- Value
- 79%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leachate removal combined with phthalimide inclusion gave 79% and 86% germination from seeds of two carrot cultivars during the first day in 20°C water following priming”
Claim · model-written summary
The second cultivar had 86% first-day germination after leachate removal and phthalimide.
- Taxon
- carrotDaucus carotae0
- Treatment
- Leachate removal combined with phthalimide inclusione0
- Outcome
- germinatione0
- Value
- 86%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Leachate removal combined with phthalimide inclusion gave 79% and 86% germination from seeds of two carrot cultivars during the first day in 20°C water following priming”
Claim · model-written summary
Untreated seeds had 18% cumulative germination in one cultivar after three days.
- Taxon
- carrotDaucus carotat0
- Outcome
- cumulative germinatione0
- Value
- 18%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cumulative germination of untreated seeds of the same cultivars was 18% and 61% respectively after 3 days in 20°C water”
t0“carrot”
Claim · model-written summary
Untreated seeds had 61% cumulative germination in the other cultivar after three days.
- Taxon
- carrotDaucus carotat0
- Outcome
- cumulative germinatione0
- Value
- 61%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cumulative germination of untreated seeds of the same cultivars was 18% and 61% respectively after 3 days in 20°C water”
t0“carrot”
Claim · model-written summary
PEG plus phthalimide and solution replacement advanced and synchronized germination across tested temperatures.
- Taxon
- carrotDaucus carotat0
- Treatment
- PEG containing 200 mg phthalimide litre ‐1 with the solution replaced after the first 24 he0
- Outcome
- germinated earlier and more synchronouslye0
- Direction
- earlier and more synchronouslye0
- Comparator
- untreated seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds primed in PEG containing 200 mg phthalimide litre ‐1 with the solution replaced after the first 24 h germinated earlier and more synchronously than untreated seeds over a range of germination temperatures (5, 10, 15, or 20°C)”
t0“carrot”
Claim · model-written summary
Priming effects were strongest at 5°C.
- Taxon
- carrotDaucus carotat0
- Outcome
- effects of priminge0
- Direction
- most markede0
- Setting
- 5°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the effects of priming were most marked at 5°C”
t0“carrot”
The same questions in other papers
poly(ethylene glycol) · growth · Daucus carota (carrot)Results agree
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- positive
- positive
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seed treatment · growth · Daucus carota (carrot)Results differ
29 papers in the same direction as this paper · 3 in the opposite direction
- no effect
- positive
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29 papers more in this group
See all 33 papers →drought · growth · Daucus carota (carrot)Positive and negative results
5 papers in the same direction as this paper · 5 in the opposite direction
- positive
- negative
- negative
7 papers more in this group
See all 11 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.