Abstract
Rose (Rosa rugosa Thunberg) achenes are water permeable. This was shown by the weight increases after immersion into a phosphate buffer. The imbibition curves were typical but, contrary to most imbibing seeds that swell, rose achenes do not increase in size. The water uptake of seeds of intact achenes is impeded. A comparison of intact achenes with achenes that were cut in half showed that the weight increase of cut achenes after immersion in the buffer was significantly higher (P < 0.01) and also that the penetration of stain into the embryos of cut achenes was significantly increased (P < 0.01) after immersion into a 1% eosin solution. The restricted water penetration into seeds of intact achenes is believed to be due to a reduction of the imbibition pressure, caused by an increased wall pressure.
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Claims 7
Claim · model-written summary
Rose achenes are water permeable.
- Taxon
- Rose (Rosa rugosa Thunberg)
Rosa rugosae0 - Outcome
- water permeablee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Rose (Rosa rugosa Thunberg) achenes are water permeable.”
Claim · model-written summary
Rose achenes gained weight after immersion in phosphate buffer.
Not reportedComparator
Verbatim
e0“This was shown by the weight increases after immersion into a phosphate buffer.”
t0“ROSE ACHENES”
Claim · model-written summary
Rose achenes did not increase in size during imbibition.
Verbatim
e0“rose achenes do not increase in size.”
Claim · model-written summary
Water uptake of seeds in intact achenes is impeded.
Verbatim
e0“The water uptake of seeds of intact achenes is impeded.”
t0“ROSE ACHENES”
Claim · model-written summary
Cut achenes gained significantly more weight than intact achenes after buffer immersion.
Verbatim
e0“A comparison of intact achenes with achenes that were cut in half showed that the weight increase of cut achenes after immersion in the buffer was significantly higher (P < 0.01)”
t0“ROSE ACHENES”
Claim · model-written summary
Cut achenes showed significantly greater stain penetration into embryos than intact achenes.
- Taxon
- ROSEt0
- Organ / stage
- embryose0
- Treatment
- cut achenese0
- Outcome
- penetration of stain into the embryose0
- Direction
- increasede0
Not reportedComparator
Verbatim
e0“the penetration of stain into the embryos of cut achenes was significantly increased (P < 0.01) after immersion into a 1% eosin solution.”
t0“ROSE ACHENES”
Claim · model-written summary
Restricted water penetration in intact achenes is attributed to reduced imbibition pressure from increased wall pressure.
Verbatim
e0“The restricted water penetration into seeds of intact achenes is believed to be due to a reduction of the imbibition pressure, caused by an increased wall pressure.”
t0“ROSE ACHENES”
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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.