Abstract
The strawberry (Fragaria × ananassa) production season in central Florida runs from the beginning of December to the end of March. The season culminates with a wave of fruit production from lateral crowns. Primary fruit are more common at the beginning of the wave and smaller, lower order fruit more common later. Also, as the wave progresses, mean temperatures typically rise and the soluble solid content (SSC) of fruit typically declines. It is not clear whether or not the development stage of the plant or temperature is responsible for the decline in SSC. Beginning on 26 January of the 2006-2007 season, recently open flowers from 12 'Strawberry Festival' plants were tagged on four dates separated by one week. Flowers from the 26 January date correspond to those producing ripe fruit at the beginning of the final wave. Three days after flowers were tagged the plants were transplanted from the field to growth rooms at 15°C or 22°C with a 12-h day/night cycle. The weight (g) and SSC (°Brix) of fruit from tagged flowers and the time it took for fruit to ripen (days) was recorded when fruit matured. There was a linear decrease in the size of fruit from plants transplanted early in the experiment relative to plants transplanted later and fruit development period (FDP) was 11.3 days shorter for fruit developing at 22°C (24.4 vs. 35.7). The SSC was lower in fruit grown at 22°C (5.4 vs. 6.6), but there was no effect of transplant date. These results indicate that rising temperatures are responsible for the decline in SSC of fruit at the end of the growing season in Florida.
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Claims 5
Claim · model-written summary
Strawberry fruit from plants transplanted earlier were smaller than fruit from plants transplanted later.
- Taxon
- strawberry
_single2.jpg?width=60)
Fragaria ×ananassat0 - Treatment
- plants transplanted earlye0
- Outcome
- size of fruite0
- Direction
- decreasee0
- Comparator
- plants transplanted latere0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
_single2.jpg?width=500)
Verbatim
e0“There was a linear decrease in the size of fruit from plants transplanted early in the experiment relative to plants transplanted later”
t0“STRAWBERRY”
Claim · model-written summary
Strawberry fruit development at 22°C was 11.3 days shorter than at 15°C.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- 22°Ce0
- Outcome
- fruit development periode0
- Direction
- shortere0
- Value
- 11.3 dayse0
- Qualifier
- 24.4 vs. 35.7e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“fruit development period (FDP) was 11.3 days shorter for fruit developing at 22°C (24.4 vs. 35.7)”
t0“STRAWBERRY”
Claim · model-written summary
Strawberry fruit soluble solid content was lower at 22°C than at 15°C, 5.4 versus 6.6.
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The SSC was lower in fruit grown at 22°C (5.4 vs. 6.6)”
t0“STRAWBERRY”
Claim · model-written summary
Transplant date did not affect strawberry fruit soluble solid content.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- transplant datee0
- Outcome
- SSCe0
- Direction
- no effecte0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The SSC was lower in fruit grown at 22°C (5.4 vs. 6.6), but there was no effect of transplant date”
t0“STRAWBERRY”
Claim · model-written summary
The authors attribute the late-season decline in strawberry fruit soluble solids to rising temperatures.
- Taxon
- strawberryFragaria ×ananassat0
- Treatment
- rising temperaturese0
- Outcome
- decline in SSC of fruite0
- Direction
- declinee0
- Setting
- Floridae0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“rising temperatures are responsible for the decline in SSC of fruit at the end of the growing season in Florida”
t0“STRAWBERRY”