Abstract
Previous studies suggest that transpiration from fruit surface drives the inflow of phloem sap into fruits. In those studies, the increment of the size of fruits was restricted mechanically to avoid the effects of changes in fruit size on the import of water. In this experiment, the influence of transpiration on the accumulation of carbohydrates was investigated in intact tomato fruits. Tomato fruits. 7 days after flowering, as attached to the plants were enclosed in the chamber of low humidity (LH) or high humidity (HH) and they were sampled 38 days after flowering. The enlargement of LH fruits was smaller than that of HH fruits. The accumulation of dry matter and total sugars on a fruit basis was lower in LH fruits than in HH fruits. There was no difference in the content of dry matter between LH and HH fruits. The concentration of total sugars of LH fruits was slightly lower than that of HH fruits. Lower accumulation of carbohydrates in LH fruits shows that transpiration flow of phloem sap is not the predominant factor that controls the inflow of photosynthetic assimilates in intact tomato fruit.
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The text the model read, with the source record’s inline markup (italics, sub- and superscripts) rendered and its character entities decoded; quote offsets refer to the raw text.
Claims 6
Claim · model-written summary
Low-humidity fruit enlarged less than high-humidity fruit.
- Taxon
- tomato
Solanum lycopersicume1 - Treatment
- low humidity (LH)e2
- Outcome
- enlargemente0
- Direction
- smallere0
- Comparator
- HH fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The enlargement of LH fruits was smaller than that of HH fruits”
e1“in intact tomato fruits.”
e2“low humidity (LH)”
Claim · model-written summary
Dry matter accumulation per fruit was lower under low humidity.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- LH fruitse0
- Outcome
- accumulation of dry mattere0
- Direction
- lowere0
- Comparator
- HH fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulation of dry matter and total sugars on a fruit basis was lower in LH fruits than in HH fruits”
e1“in intact tomato fruits.”
Claim · model-written summary
Total sugar accumulation per fruit was lower under low humidity.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- LH fruitse0
- Outcome
- total sugarse0
- Direction
- lowere0
- Comparator
- HH fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The accumulation of dry matter and total sugars on a fruit basis was lower in LH fruits than in HH fruits”
e1“in intact tomato fruits.”
Claim · model-written summary
Dry matter content did not differ between humidity treatments.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- LHe0
- Outcome
- content of dry mattere0
- Direction
- no differencee0
- Comparator
- HH fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“There was no difference in the content of dry matter between LH and HH fruits”
e1“in intact tomato fruits.”
Claim · model-written summary
Total sugar concentration was slightly lower under low humidity.
- Taxon
- tomatoSolanum lycopersicume1
- Treatment
- LH fruitse0
- Outcome
- concentration of total sugarse0
- Direction
- lowere0
- Qualifier
- slightlye0
- Comparator
- HH fruitse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The concentration of total sugars of LH fruits was slightly lower than that of HH fruits”
e1“in intact tomato fruits.”
Claim · model-written summary
Authors infer transpiration flow is not the predominant control of assimilate inflow.
- Taxon
- tomatoSolanum lycopersicume0
- Outcome
- inflow of photosynthetic assimilatese0
- Qualifier
- transpiration flow of phloem sape0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“transpiration flow of phloem sap is not the predominant factor that controls the inflow of photosynthetic assimilates in intact tomato fruit”
The same questions in other papers
humidity · quality: sugar starch · Solanum lycopersicum (tomato)Positive and negative results
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- positive
- positive
- negative
1 paper more in this group
See all 5 papers →humidity · growth · Solanum lycopersicum (tomato)Positive and negative results
11 papers in the same direction as this paper · 10 in the opposite direction
- positive
- positive
- positive
18 papers more in this group
See all 22 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.