Abstract
Lateral floral clusters were removed from the main axis of the floral clusters of 'Houman' grape plants, leaving only 3-5-cm-long region of flowers at the end of the central axis. The floral clusters were pruned at 7 days prior to flowering. The effect of the pruning on fruit quality was assessed by determining the composition and levels of anthocyanins in the fruit and anthocyanin-related gene expression. Results indicated that floral cluster pruning significantly improved the quality of the fruit by increasing berry size, fruit weight and the total content of soluble solids. Floral cluster pruning also decreased the level of titratable acidity. Sixteen different anthocyanins were detected in fruit of the pruned clusters, while only 15 were detected in fruit from unpruned clusters. The level of anthocyanins was also significantly higher in fruit of the pruned clusters than in the unpruned clusters. Anthocyanin-related gene expression was also significantly upregulated to a higher level in fruit from pruned floral clusters as compared with unpruned clusters. The upregulation was closely associated with increases in anthocyanin biosynthesis.
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Claims 6
Claim · model-written summary
Floral cluster pruning increased grape berry size, fruit weight and soluble solids.
- Taxon
- grapet0
- Treatment
- floral cluster pruninge0
- Outcome
- berry size, fruit weight and the total content of soluble solidse0
- Direction
- increasinge0
Not reportedComparator
Verbatim
e0“Results indicated that floral cluster pruning significantly improved the quality of the fruit by increasing berry size, fruit weight and the total content of soluble solids.”
t0“grape”
Claim · model-written summary
Floral cluster pruning decreased grape titratable acidity.
- Taxon
- grapet0
- Treatment
- Floral cluster pruninge0
- Outcome
- level of titratable aciditye0
- Direction
- decreasede0
Not reportedComparator
Verbatim
e0“Floral cluster pruning also decreased the level of titratable acidity.”
t0“grape”
Claim · model-written summary
Pruned clusters had 16 detected anthocyanins versus 15 in unpruned clusters.
- Taxon
- grapet0
- Treatment
- pruned clusterse0
- Outcome
- different anthocyaninse0
- Qualifier
- only 15e0
- Comparator
- unpruned clusterse0
Not reportedDirectionValue
Verbatim
e0“Sixteen different anthocyanins were detected in fruit of the pruned clusters, while only 15 were detected in fruit from unpruned clusters.”
t0“grape”
Claim · model-written summary
Anthocyanin levels were significantly higher in fruit from pruned grape clusters.
Verbatim
e0“The level of anthocyanins was also significantly higher in fruit of the pruned clusters than in the unpruned clusters.”
t0“grape”
Claim · model-written summary
Anthocyanin-related gene expression was significantly upregulated in pruned grape fruit.
Verbatim
e0“Anthocyanin-related gene expression was also significantly upregulated to a higher level in fruit from pruned floral clusters as compared with unpruned clusters.”
t0“grape”
Claim · model-written summary
Gene upregulation was closely associated with increased anthocyanin biosynthesis.
Verbatim
e0“The upregulation was closely associated with increases in anthocyanin biosynthesis.”
e1“Anthocyanin-related gene expression”
t0“grape”
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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.