Abstract
SUMMARY Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments. Although radicle emergence was inhibited by the low temperature, imbibition studies showed that seeds were maintained at lag‐phase moisture contents during treatment and some aspects of germinative metabolism began. No evidence was found for improved seedling growth rates per se as a result of pretreatment: in fact, initial axis growth may be temporarily reduced, probably as a consequence of depletion of reserves during the treatment period.
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Claims 7
Claim · model-written summary
Low temperature pre-sowing treatment of tomato seeds substantially enhanced germination rates.
- Taxon
- tomato
Solanum lycopersicume0 - Treatment
- Low temperature pre‐sowing treatmente0
- Outcome
- germination ratese0
- Direction
- enhancede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
Claim · model-written summary
Low temperature pre-sowing treatment of tomato seeds was much more effective than equivalent osmotic treatments at improving uniformity of germination.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- Low temperature pre‐sowing treatmente0
- Outcome
- uniformity of germinatione0
- Direction
- much more effectivee0
- Comparator
- equivalent osmotic treatmentse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
Claim · model-written summary
The low temperature inhibited radicle emergence of tomato seeds.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- low temperaturee1
- Outcome
- radicle emergencee1
- Direction
- inhibitede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
e1“Although radicle emergence was inhibited by the low temperature”
Claim · model-written summary
Tomato seeds were maintained at lag-phase moisture contents during the low temperature treatment.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- moisture contentse1
- Qualifier
- lag‐phasee1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
e1“imbibition studies showed that seeds were maintained at lag‐phase moisture contents during treatment and some aspects of germinative metabolism began”
Claim · model-written summary
Some aspects of germinative metabolism began in tomato seeds during the treatment.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- germinative metabolisme1
- Qualifier
- some aspectse1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
e1“imbibition studies showed that seeds were maintained at lag‐phase moisture contents during treatment and some aspects of germinative metabolism began”
Claim · model-written summary
Pretreatment did not improve seedling growth rates per se in tomato.
- Taxon
- tomatoSolanum lycopersicume0
- Treatment
- pretreatmente1
- Outcome
- seedling growth ratese1
- Direction
- improvede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
e1“No evidence was found for improved seedling growth rates per se as a result of pretreatment”
Claim · model-written summary
Initial axis growth may be temporarily reduced in tomato seedlings after pretreatment, probably from depletion of reserves.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- initial axis growthe1
- Direction
- reducede1
- Qualifier
- depletion of reservese1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Low temperature pre‐sowing treatment of tomato seeds substantially enhanced germination rates and was much more effective at improving uniformity of germination than equivalent osmotic treatments”
e1“initial axis growth may be temporarily reduced, probably as a consequence of depletion of reserves during the treatment period”
The same questions in other papers
cold · growth · Solanum lycopersicum (tomato)Results differ
21 papers in the same direction as this paper · 32 in the opposite direction · 1 reporting no difference from an alternative
- positive
- negative
- negative
51 papers more in this group
See all 55 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.