Abstract
To assess (after)effects of temperature on plant development, in vitro potato plantlets produced at 17 or 23 °C (normalisation phase, 3 weeks) were planted into soil in growth chambers at 18/12 or 26/20°C (transplant production phase, 2 weeks), and transplanted to glasshouses at 18/12 or 26/20°C (tuber production phase, 6 weeks). The latter phase commonly takes place in the field. Transition from one phase to another, especially from in vitro to in vivo conditions, greatly increased leaf growth and to a smaller extent stem growth. Within a phase, higher temperature stimulated vegetative growth, but delayed tuber formation and reduced tuber yields, harvest index (HI) and tuber dry matter concentration. Temperature during tuber production was more important for high yield than temperatures during earlier phases. Normalisation and transplant production temperatures nevertheless showed after-effects in later phases. Lower normalisation temperatures advanced plant development: they increased vegetative growth in subsequent phases and finally increased fresh tuber yield and HI. This could have yield advantages at locations where field production seasons are short. Lower transplant production temperatures reduced vegetative growth in the next phase, but enhanced early tuber production. Finally they increased tuber dry weight and HI when tuber production temperatures were high. This may increase yield at locations where field conditions delay tuber formation.
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Claims 15
Claim · model-written summary
Transition from one growth phase to another greatly increased potato leaf growth.
- Taxon
- potato
Solanum tuberosume0 - Treatment
- Transition from one phase to anothere1
- Outcome
- leaf growthe1
- Direction
- greatly increasede1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e1“Transition from one phase to another, especially from in vitro to in vivo conditions, greatly increased leaf growth and to a smaller extent stem growth”
Claim · model-written summary
Transition from one growth phase to another increased potato stem growth to a smaller extent than leaf growth.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Transition from one phase to anothere1
- Outcome
- stem growthe1
- Direction
- increasede1
- Qualifier
- to a smaller extente1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e1“Transition from one phase to another, especially from in vitro to in vivo conditions, greatly increased leaf growth and to a smaller extent stem growth”
Claim · model-written summary
Higher temperature stimulates potato vegetative growth.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- higher temperaturee2
- Outcome
- vegetative growthe2
- Direction
- stimulatede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e2“Within a phase, higher temperature stimulated vegetative growth, but delayed tuber formation and reduced tuber yields, harvest index (HI) and tuber dry matter concentration”
Claim · model-written summary
Higher temperature delays potato tuber formation.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- higher temperaturee2
- Outcome
- tuber formatione2
- Direction
- delayede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e2“Within a phase, higher temperature stimulated vegetative growth, but delayed tuber formation and reduced tuber yields, harvest index (HI) and tuber dry matter concentration”
Claim · model-written summary
Higher temperature reduces potato tuber yields, harvest index and tuber dry matter concentration.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- higher temperaturee2
- Outcome
- tuber yields, harvest index (HI) and tuber dry matter concentratione2
- Direction
- reducede2
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e2“Within a phase, higher temperature stimulated vegetative growth, but delayed tuber formation and reduced tuber yields, harvest index (HI) and tuber dry matter concentration”
Claim · model-written summary
Temperature during tuber production is more important for potato yield than temperatures during earlier phases.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Temperature during tuber productione3
- Outcome
- high yielde3
- Direction
- more importante3
- Comparator
- temperatures during earlier phasese3
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e3“Temperature during tuber production was more important for high yield than temperatures during earlier phases”
Claim · model-written summary
Normalisation and transplant production temperatures show after-effects in later phases of potato development.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Normalisation and transplant production temperaturese4
- Outcome
- after-effects in later phasese4
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e4“Normalisation and transplant production temperatures nevertheless showed after-effects in later phases”
Claim · model-written summary
Lower normalisation temperatures advance potato plant development.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Lower normalisation temperaturese5
- Outcome
- plant developmente5
- Direction
- advancede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e5“Lower normalisation temperatures advanced plant development: they increased vegetative growth in subsequent phases and finally increased fresh tuber yield and HI”
Claim · model-written summary
Lower normalisation temperatures increase potato vegetative growth in subsequent phases.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Lower normalisation temperaturese5
- Outcome
- vegetative growth in subsequent phasese5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e5“Lower normalisation temperatures advanced plant development: they increased vegetative growth in subsequent phases and finally increased fresh tuber yield and HI”
Claim · model-written summary
Lower normalisation temperatures increase fresh tuber yield and harvest index of potato.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Lower normalisation temperaturese5
- Outcome
- fresh tuber yield and HIe5
- Direction
- increasede5
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e5“Lower normalisation temperatures advanced plant development: they increased vegetative growth in subsequent phases and finally increased fresh tuber yield and HI”
Claim · model-written summary
Lower normalisation temperatures could have yield advantages where field production seasons are short.
- Taxon
- potatoSolanum tuberosume0
- Outcome
- yield advantages at locations where field production seasons are shorte6
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e6“This could have yield advantages at locations where field production seasons are short”
Claim · model-written summary
Lower transplant production temperatures reduce potato vegetative growth in the next phase.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Lower transplant production temperaturese7
- Outcome
- vegetative growth in the next phasee7
- Direction
- reducede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e7“Lower transplant production temperatures reduced vegetative growth in the next phase, but enhanced early tuber production”
Claim · model-written summary
Lower transplant production temperatures enhance early potato tuber production.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Lower transplant production temperaturese7
- Outcome
- early tuber productione7
- Direction
- enhancede7
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e7“Lower transplant production temperatures reduced vegetative growth in the next phase, but enhanced early tuber production”
Claim · model-written summary
Lower transplant production temperatures increase potato tuber dry weight and harvest index when tuber production temperatures are high.
- Taxon
- potatoSolanum tuberosume0
- Treatment
- Lower transplant production temperaturese2
- Outcome
- tuber dry weight and HIe1
- Direction
- increasede1
- Qualifier
- when tuber production temperatures were highe1
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e1“Finally they increased tuber dry weight and HI when tuber production temperatures were high”
e2“Lower transplant production temperatures reduced vegetative growth in the next phase, but enhanced early tuber production”
Claim · model-written summary
Lower temperatures in the production phases may increase potato yield where field conditions delay tuber formation.
- Taxon
- potatoSolanum tuberosume0
- Outcome
- yield at locations where field conditions delay tuber formatione1
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“in vitro potato plantlets produced at 17 or 23 °C”
e1“This may increase yield at locations where field conditions delay tuber formation”
The same questions in other papers
transplanting · yield · Solanum tuberosum (potato)Positive and negative results
8 papers in the same direction as this paper · 1 in the opposite direction
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6 papers more in this group
See all 10 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.