Abstract
Abstract High temperature (32°C) prevented germination of celery seeds even if given after 4 d of germination induction at 17°C in white light, but germination occurred if the seeds were then returned to 17°C. Celery seeds incubated for 3 d at 17°C in white light and then air‐dried at 20°C germinated slowly when re‐sown at 17°C in the light, achieving only 24% germination after 21 d. Exposure of such seeds to 32°C prior to and during drying resulted in 50% germination after 3.6 d at 17°C in white light, with no loss in viability, compared to 5.7 d for seeds not given a germination induction treatment. If celery seeds were dried rapidly germination was poor, an effect which could be overcome by high temperature treatment. It is suggested that the mechanism which imposes dormancy at 32°C also conditions the seed to withstand desiccation damage.
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Claims 5
Claim · model-written summary
At 32°C celery seeds did not germinate after induction at 17°C, but germinated on return to 17°C.
- Taxon
- celery
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Apium graveolens Dulce Groupe0 - Treatment
- High temperature (32°C)e0
- Outcome
- germinatione0
- Direction
- preventede0
- Qualifier
- germination occurred if the seeds were then returned to 17°Ce0
- Comparator
- 17°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
%2C_Elswick%2C_Northumberland_4.jpg?width=500)
Verbatim
e0“High temperature (32°C) prevented germination of celery seeds even if given after 4 d of germination induction at 17°C in white light, but germination occurred if the seeds were then returned to 17°C.”
Claim · model-written summary
Celery seeds incubated at 17°C then air dried germinated slowly and reached 24% after 21 days.
- Taxon
- CeleryApium graveolens Dulce Groupe0
- Treatment
- air‐dried at 20°Ce0
- Outcome
- germinatione0
- Direction
- slowlye0
- Value
- 24%e0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Celery seeds incubated for 3 d at 17°C in white light and then air‐dried at 20°C germinated slowly when re‐sown at 17°C in the light, achieving only 24% germination after 21 d.”
Claim · model-written summary
Exposure to 32°C before and during drying produced 50% germination after 3.6 days without loss of viability.
- Taxon
- celery seedsApium graveolens Dulce Groupt0
- Treatment
- 32°C prior to and during dryinge0
- Outcome
- germinatione0
- Direction
- resulted ine0
- Value
- 50%e0
- Qualifier
- with no loss in viabilitye0
- Comparator
- seeds not given a germination induction treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Exposure of such seeds to 32°C prior to and during drying resulted in 50% germination after 3.6 d at 17°C in white light, with no loss in viability, compared to 5.7 d for seeds not given a germination induction treatment.”
t0“celery seeds”
Claim · model-written summary
Rapid drying caused poor celery seed germination, overcome by high temperature treatment.
- Taxon
- celeryApium graveolens Dulce Groupe0
- Treatment
- high temperature treatmente0
- Outcome
- germinatione0
- Direction
- overcomee0
- Comparator
- dried rapidlye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“If celery seeds were dried rapidly germination was poor, an effect which could be overcome by high temperature treatment.”
Claim · model-written summary
The authors suggest that the mechanism imposing dormancy at 32°C also conditions celery seed desiccation tolerance.
- Taxon
- celery seedsApium graveolens Dulce Groupt0
- Outcome
- withstand desiccation damagee0
- Qualifier
- mechanism which imposes dormancy at 32°Ce0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It is suggested that the mechanism which imposes dormancy at 32°C also conditions the seed to withstand desiccation damage.”
t0“celery seeds”
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See all 7 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.