Abstract
Freshly harvested, true potato (Solarium tuberosum L.) seeds (TPS) will germinate at 15 ± 5C, but because of dormancy they must be stored for ≈18 months before they will germinate at >25C. Effects of seed moisture content (SMC) and temperature in storage on germination and seedling emergence were periodically tested during 18 months for seeds harvested from three positions on the mother plant. Seeds were stored with 37.,5%, and 7% SMC (on a dry weight basis) at 5 and 45C; sublets were removed monthly (1 to 7 months) from 45C and stored at 5C. Seed dormancy and viability were best preserved in storage at low SMC and low temperature, Seeds stored at 45C and 3 % SMC progressively lost dormancy and, after 4 months of storage, germination was up to 88% after 4 days at 127C. This rate of germination decreased with further storage. Up to 100% emergence occurred in 9 days in seeds stored for 18 months at 45C and 3% SMC. Seeds stored at 45C and 5% SMC lost dormancy in 2 months and <50% emergence occurred after 18 months. Seeds stored at 45C and 7% SMC deteriorated and became nonviable within 6 months of storage. The position of seed development did not significantly affect seed size or weight. However, seeds produced from the bottom third of the plant (lot A) were the most vigorous after dormancy was released with sufficient storage. This suggests that efforts should be made to produce TPS in the primary branches of the mother plant.
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Claims 11
Claim · model-written summary
Low seed moisture and temperature best preserved dormancy and viability.
- Taxon
- potato
Solanum tuberosumt0 - Treatment
- low SMC and low temperaturee0
- Outcome
- Seed dormancy and viabilitye0
- Direction
- best preservede0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seed dormancy and viability were best preserved in storage at low SMC and low temperature”
t0“Potato Seeds”
Claim · model-written summary
Seeds stored at 45C and 3% SMC progressively lost dormancy.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 45C and 3 % SMCe0
- Outcome
- dormancye0
- Direction
- loste0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds stored at 45C and 3 % SMC progressively lost dormancy”
t0“Potato Seeds”
Claim · model-written summary
After four months at 45C and 3% SMC, germination reached 88% after four days.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 4 months of storagee0
- Outcome
- germinatione0
- Direction
- up toe0
- Value
- 88%e0
- Qualifier
- after 4 days at 127Ce0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“after 4 months of storage, germination was up to 88% after 4 days at 127C”
t0“Potato Seeds”
Claim · model-written summary
Germination rate declined with further storage.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- further storagee0
- Outcome
- rate of germinatione0
- Direction
- decreasede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“This rate of germination decreased with further storage.”
t0“Potato Seeds”
Claim · model-written summary
Emergence reached 100% in nine days after 18 months at 45C and 3% SMC.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 18 months at 45C and 3% SMCe0
- Outcome
- emergencee0
- Direction
- Up toe0
- Value
- 100%e0
- Qualifier
- in 9 dayse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Up to 100% emergence occurred in 9 days in seeds stored for 18 months at 45C and 3% SMC.”
t0“Potato Seeds”
Claim · model-written summary
Seeds at 45C and 5% SMC lost dormancy in two months.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 45C and 5% SMCe0
- Outcome
- dormancye0
- Direction
- loste0
- Value
- 2 monthse0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds stored at 45C and 5% SMC lost dormancy in 2 months”
t0“Potato Seeds”
Claim · model-written summary
Less than 50% emergence followed 18 months at 45C and 5% SMC.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 18 monthse0
- Outcome
- emergencee0
- Value
- <50%e0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“<50% emergence occurred after 18 months”
t0“Potato Seeds”
Claim · model-written summary
Seeds at 45C and 7% SMC deteriorated and became nonviable within six months.
- Taxon
- potatoSolanum tuberosumt0
- Treatment
- 45C and 7% SMCe0
- Outcome
- nonviablee0
- Value
- 6 monthse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Seeds stored at 45C and 7% SMC deteriorated and became nonviable within 6 months of storage.”
t0“Potato Seeds”
Claim · model-written summary
Seed development position did not significantly affect seed size or weight.
- Taxon
- potatoSolanum tuberosumt0
- Organ / stage
- position of seed developmente0
- Outcome
- seed size or weighte0
- Direction
- did not significantly affecte0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The position of seed development did not significantly affect seed size or weight.”
t0“Potato Seeds”
Claim · model-written summary
Seeds from the bottom third of the plant were most vigorous after dormancy release.
- Taxon
- potatoSolanum tuberosumt0
- Material
- lot Ae0
- Organ / stage
- bottom third of the plante0
- Outcome
- vigorouse0
- Direction
- moste0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“seeds produced from the bottom third of the plant (lot A) were the most vigorous after dormancy was released with sufficient storage”
t0“Potato Seeds”
Claim · model-written summary
The authors recommend producing true potato seed in primary branches.
- Taxon
- potatoSolanum tuberosumt0
- Outcome
- produce TPS in the primary branches of the mother plante0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“efforts should be made to produce TPS in the primary branches of the mother plant”
t0“Potato Seeds”
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See all 18 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.