Abstract
Summary Seeds were harvested separately from the sequentially formed umbels to obtain information about the origin of variation in seed density in celery. The study involved seeds from the lowest order (primary) to the highest order (quarternary) umbels from the cvs Mars, Monarch, Selfira and Tall Utah. With increasing umbel order the percentage germination decreased and the mean germination time increased. Seed density increased with increasing umbel order, but was more highly correlated with the length of the seed ripening period which differed for each umbel order due to simultaneous harvesting. The decrease in seed density during seed development was correlated with an increase in air volume in the seeds. It is concluded that the variation in seed density in celery seed lots originated from differences in seed maturity.
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Claims 6
Claim · model-written summary
Germination percentage declined with increasing celery umbel order.
- Taxon
- celery
%2C_Elswick%2C_Northumberland_4.jpg?width=60)
Apium graveolens Dulce Groupt0 - Organ / stage
- umbele0
- Outcome
- percentage germinatione0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
%2C_Elswick%2C_Northumberland_4.jpg?width=500)
Verbatim
e0“With increasing umbel order the percentage germination decreased and the mean germination time increased.”
t0“celery (Apium graveolens L.)”
Claim · model-written summary
Mean germination time rose with increasing celery umbel order.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- umbele0
- Outcome
- mean germination timee0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“With increasing umbel order the percentage germination decreased and the mean germination time increased.”
t0“celery (Apium graveolens L.)”
Claim · model-written summary
Celery seed density increased with umbel order.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- umbele0
- Outcome
- Seed densitye0
- Direction
- increasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed density increased with increasing umbel order, but was more highly correlated with the length of the seed ripening period which differed for each umbel order due to simultaneous harvesting.”
t0“celery (Apium graveolens L.)”
Claim · model-written summary
Celery seed density was more strongly correlated with seed ripening period length than with umbel order.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- seed ripening periode0
- Outcome
- Seed densitye0
- Qualifier
- more highly correlatede0
Not reportedDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed density increased with increasing umbel order, but was more highly correlated with the length of the seed ripening period which differed for each umbel order due to simultaneous harvesting.”
t0“celery (Apium graveolens L.)”
Claim · model-written summary
Declining celery seed density during development was correlated with increasing air volume in seeds.
- Taxon
- celeryApium graveolens Dulce Groupt0
- Organ / stage
- seedse0
- Outcome
- seed densitye0
- Direction
- decreasee0
- Qualifier
- increase in air volumee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The decrease in seed density during seed development was correlated with an increase in air volume in the seeds.”
t0“celery (Apium graveolens L.)”
Claim · model-written summary
Differences in seed maturity were concluded to cause variation in celery seed density.
- Taxon
- celeryApium graveolens Dulce Groupe0
- Organ / stage
- seed maturitye0
- Outcome
- variation in seed densitye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“It is concluded that the variation in seed density in celery seed lots originated from differences in seed maturity.”