Abstract
SummaryThe effects of temperature and photoperiod on flower and inflorescence initiation during the autumn were investigated in the strawberry cv. Elsanta. The variation in starch under these environmental conditions was also recorded, to test whether this might provide a useful indicator of the onset of imposed and/or true dormancy. Photoperiod had no effect on the rate of flower initiation or final flower number in the primary, secondary or tertiary inflorescences. Temperature had little effect on the final flower number in the primary inflorescence. However, the rate of flower initiation increased linearly with increasing temperature in the secondary (r2 = 0.98) and tertiary inflorescences (r2 = 0.97), to an optimum of 18.6°C in the secondary and 19.9°C in the tertiary inflorescence, and declined at temperatures above these. The quantity of starch in the roots increased during the autumn, and the rate of increase was negatively correlated with temperature. This indicates that root starch concentration is determined by temperature and therefore is not a useful indicator of the onset of true dormancy in ‘Elsanta’.
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Claims 7
Claim · model-written summary
Photoperiod had no effect on flower initiation rate or final flower number in primary, secondary or tertiary inflorescences.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- Photoperiode0
- Outcome
- rate of flower initiation or final flower numbere0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“Photoperiod had no effect on the rate of flower initiation or final flower number in the primary, secondary or tertiary inflorescences”
t0“strawberry”
Claim · model-written summary
Temperature had little effect on final flower number in primary inflorescences.
- Taxon
- strawberryFragaria ×ananassat0
- Organ / stage
- primary inflorescencee0
- Treatment
- Temperaturee0
- Outcome
- final flower numbere0
- Direction
- little effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Temperature had little effect on the final flower number in the primary inflorescence”
t0“strawberry”
Claim · model-written summary
Secondary inflorescence flower initiation rate rose with temperature to an optimum of 18.6°C then declined.
- Taxon
- strawberryFragaria ×ananassat0
- Organ / stage
- secondarye0
- Treatment
- temperaturee0
- Outcome
- rate of flower initiatione0
- Direction
- increasede0
- Value
- 18.6°Ce0
- Qualifier
- declined at temperatures above thesee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of flower initiation increased linearly with increasing temperature in the secondary (r2 = 0.98) and tertiary inflorescences (r2 = 0.97), to an optimum of 18.6°C in the secondary and 19.9°C in the tertiary inflorescence, and declined at temperatures above these”
t0“strawberry”
Claim · model-written summary
Tertiary inflorescence flower initiation rate rose with temperature to an optimum of 19.9°C then declined.
- Taxon
- strawberryFragaria ×ananassat0
- Organ / stage
- tertiary inflorescencee0
- Treatment
- temperaturee0
- Outcome
- rate of flower initiatione0
- Direction
- increasede0
- Value
- 19.9°Ce0
- Qualifier
- declined at temperatures above thesee0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of flower initiation increased linearly with increasing temperature in the secondary (r2 = 0.98) and tertiary inflorescences (r2 = 0.97), to an optimum of 18.6°C in the secondary and 19.9°C in the tertiary inflorescence, and declined at temperatures above these”
t0“strawberry”
Claim · model-written summary
Root starch quantity increased during autumn.
- Taxon
- strawberryFragaria ×ananassat0
- Organ / stage
- rootse0
- Outcome
- quantity of starch in the rootse0
- Direction
- increasede0
- Qualifier
- during the autumne0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The quantity of starch in the roots increased during the autumn”
t0“strawberry”
Claim · model-written summary
Root starch accumulation rate was negatively correlated with temperature.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- temperaturee0
- Outcome
- rate of increasee0
- Direction
- negatively correlatede0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“the rate of increase was negatively correlated with temperature”
t0“strawberry”
Claim · model-written summary
The authors concluded root starch concentration is not a useful indicator of true dormancy onset in Elsanta.
- Taxon
- strawberryFragaria ×ananassat0
- Material
- Elsantae0
- Outcome
- not a useful indicator of the onset of true dormancye0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“root starch concentration is determined by temperature and therefore is not a useful indicator of the onset of true dormancy in ‘Elsanta’”
t0“strawberry”
The same questions in other papers
light · phenology · Fragaria x ananassa (strawberry)Results differ
12 papers in the same direction as this paper · 21 in the opposite direction
- positive
- positive
- positive
30 papers more in this group
See all 34 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.