Abstract
During the first 20 h of imbibition, the viability of ungerminated pea seeds was progressively impaired by desiccation, although by no more than about 15%. However, a drastic reduction in radicle growth and viability resulted if the seeds were imbibed for 24 h or longer before dehydration to 5% moisture content (but not if drying was to 10% moisture content or greater). Therefore, pea seeds undergo a transition from a desiccation-tolerant to a desiccation-intolerant state between 20 and 24 h after the start of imbibition. Seeds initially imbibed for 8, 12, and 16 h and desiccated to their original moisture content completed germination in a shorter time than control (once-imbibed) seeds. However, a residual effect of the treatment was noted, in that the total imbibition time required before germination was longer in those seeds that had been subjected to desiccation between periods of imbibition. Hence, events occurring prior to water loss are not completely stable to desiccation and are partially reversed. Axes from germinating seeds interrupted by a desiccation treatment retained some of their capacity to synthesize proteins. This metabolic event thus responded to desiccation in a similar manner to a physiological parameter, i.e., the rate of germination.
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Claims 8
Claim · model-written summary
Desiccation in the first 20 h impaired seed viability by at most about 15%.
- Taxon
- pea
Lathyrus oleraceuse0 - Organ / stage
- ungerminated pea seedse0
- Treatment
- desiccatione0
- Outcome
- viabilitye0
- Direction
- impairede0
- Value
- about 15%e0
- Qualifier
- first 20 h of imbibitione0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“During the first 20 h of imbibition, the viability of ungerminated pea seeds was progressively impaired by desiccation, although by no more than about 15%.”
Claim · model-written summary
Drying after at least 24 h to 5% moisture drastically reduced radicle growth.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- dehydration to 5% moisture contente0
- Outcome
- radicle growthe0
- Direction
- reductione0
- Qualifier
- 24 h or longere0
- Comparator
- 10% moisture content or greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a drastic reduction in radicle growth and viability resulted if the seeds were imbibed for 24 h or longer before dehydration to 5% moisture content (but not if drying was to 10% moisture content or greater).”
t0“pea”
Claim · model-written summary
Drying after at least 24 h to 5% moisture drastically reduced viability.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- dehydration to 5% moisture contente0
- Outcome
- viabilitye0
- Direction
- reductione0
- Qualifier
- 24 h or longere0
- Comparator
- 10% moisture content or greatere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“a drastic reduction in radicle growth and viability resulted if the seeds were imbibed for 24 h or longer before dehydration to 5% moisture content (but not if drying was to 10% moisture content or greater).”
t0“pea”
Claim · model-written summary
Pea seeds became desiccation intolerant between 20 and 24 h.
- Taxon
- peaLathyrus oleraceuse0
- Outcome
- transition from a desiccation-tolerant to a desiccation-intolerant statee0
- Value
- between 20 and 24 he0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“pea seeds undergo a transition from a desiccation-tolerant to a desiccation-intolerant state between 20 and 24 h after the start of imbibition.”
Claim · model-written summary
Seeds initially imbibed 8, 12, or 16 h and desiccated germinated faster than controls.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- desiccated to their original moisture contente0
- Outcome
- completed germinatione0
- Direction
- shorter timee0
- Qualifier
- 8, 12, and 16 he0
- Comparator
- control (once-imbibed) seedse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds initially imbibed for 8, 12, and 16 h and desiccated to their original moisture content completed germination in a shorter time than control (once-imbibed) seeds.”
t0“pea”
Claim · model-written summary
Total imbibition time before germination was longer after desiccation.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- desiccation between periods of imbibitione0
- Outcome
- total imbibition time required before germinatione0
- Direction
- longere0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the total imbibition time required before germination was longer in those seeds that had been subjected to desiccation between periods of imbibition.”
t0“pea”
Claim · model-written summary
Events before water loss were partly reversed by desiccation.
- Taxon
- peaLathyrus oleraceust0
- Treatment
- desiccatione0
- Outcome
- events occurring prior to water losse0
- Qualifier
- partially reversede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“events occurring prior to water loss are not completely stable to desiccation and are partially reversed.”
t0“pea”
Claim · model-written summary
Desiccated axes retained some protein synthesis capacity.
- Taxon
- peaLathyrus oleraceust0
- Organ / stage
- Axes from germinating seedse0
- Treatment
- desiccation treatmente0
- Outcome
- capacity to synthesize proteinse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Axes from germinating seeds interrupted by a desiccation treatment retained some of their capacity to synthesize proteins.”
t0“pea”
The same questions in other papers
drought · growth · Lathyrus oleraceus (pea)Results differ
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- negative
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8 in the opposite direction · 2 reporting no difference from an alternative
- negative
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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.