Abstract
The practice of cherry tomato cluster thinning may contribute to increased quality of the remaining fruit. The objective of our study was to evaluate selected quality traits and the content of primary and secondary metabolites in fruits of cherry tomato subjected to two fruit thinning intensities (thinned to or to 2 of the initial cluster length). Cluster thinning induced higher fruit yield at the beginning of the harvest period, between 98 and 115 days after transplanting (DAT). On later samplings, the yield of the control plants increased and remained higher until the end of the experiment, which resulted in higher total yield of control plants. Both thinning treatments significantly increased average mass of fruits from the distal cluster section in comparison to the control treatment. Redder fruits with significantly higher a*/b* ratio were characteristic for the proximal and distal sections of the control clusters in comparison to the fruits from the thinning treatments. Tomato cluster thinning caused periods with no yield between 117 and 128 DAT and between 142 and 152 DAT during the harvest period. Moreover, cluster-thinned tomatoes accumulated less sugar and more organic acids than the control fruit. The content of total analyzed carotenoids was comparable between cluster-thinned and control fruit. Regardless of the treatment, 22 individual phenolic compounds from four phenolic groups have been identified in cherry tomato fruit. Significant differences among treatments have been determined in approximately one half of analyzed phenolics, particularly from the group of hydroxycinnamic acids. It can be concluded that cluster thinning only moderately affected secondary metabolite composition of cherry tomato and had little positive effect on the levels of the two most important groups of antioxidant compounds (phenols and carotenoids).
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Claims 12
Claim · model-written summary
Cluster thinning increased early fruit yield at 98 to 115 days after transplanting.
- Taxon
- cherry tomato
Solanum lycopersicum var. cerasiformet0 - Treatment
- Cluster thinninge0
- Outcome
- fruit yielde0
- Direction
- highere0
- Qualifier
- between 98 and 115 days after transplanting (DAT)e0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Cluster thinning induced higher fruit yield at the beginning of the harvest period, between 98 and 115 days after transplanting (DAT).”
t0“cherry tomato”
Claim · model-written summary
Control plants had higher yield at later samplings and higher total yield.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- cluster thinninge1
- Outcome
- total yielde0
- Direction
- highere0
- Comparator
- control plantse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“On later samplings, the yield of the control plants increased and remained higher until the end of the experiment, which resulted in higher total yield of control plants.”
e1“Cluster thinning induced higher fruit yield at the beginning of the harvest period, between 98 and 115 days after transplanting (DAT).”
t0“cherry tomato”
Claim · model-written summary
Both thinning treatments significantly increased mean mass of distal cluster fruits compared with control.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Organ / stage
- distal cluster sectione0
- Treatment
- thinning treatmentse0
- Outcome
- average mass of fruitse0
- Direction
- increasede0
- Comparator
- control treatmente0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Both thinning treatments significantly increased average mass of fruits from the distal cluster section in comparison to the control treatment.”
t0“cherry tomato”
Claim · model-written summary
Control cluster fruit in proximal and distal sections had significantly higher redness ratio than thinned fruit.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Organ / stage
- proximal and distal sectionse0
- Treatment
- thinning treatmentse0
- Outcome
- a*/b* ratioe0
- Direction
- highere0
- Comparator
- control clusterse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Redder fruits with significantly higher a*/b* ratio were characteristic for the proximal and distal sections of the control clusters in comparison to the fruits from the thinning treatments.”
t0“cherry tomato”
Claim · model-written summary
Cluster thinning produced two periods without yield during harvest.
- Taxon
- Tomato
Solanum lycopersicume0 - Treatment
- cluster thinninge0
- Outcome
- no yielde0
- Direction
- no yielde0
- Qualifier
- between 117 and 128 DAT and between 142 and 152 DATe0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Tomato cluster thinning caused periods with no yield between 117 and 128 DAT and between 142 and 152 DAT during the harvest period.”
Claim · model-written summary
Thinned tomato fruit accumulated less sugar than control fruit.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- cluster-thinnede0
- Outcome
- sugare0
- Direction
- lesse0
- Comparator
- control fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cluster-thinned tomatoes accumulated less sugar and more organic acids than the control fruit.”
Claim · model-written summary
Thinned tomato fruit accumulated more organic acids than control fruit.
- Taxon
- tomatoesSolanum lycopersicume0
- Treatment
- cluster-thinnede0
- Outcome
- organic acidse0
- Direction
- moree0
- Comparator
- control fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cluster-thinned tomatoes accumulated less sugar and more organic acids than the control fruit.”
Claim · model-written summary
Total analyzed carotenoids were comparable between thinned and control fruit.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- cluster-thinnede0
- Outcome
- content of total analyzed carotenoidse0
- Direction
- comparablee0
- Comparator
- control fruite0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“The content of total analyzed carotenoids was comparable between cluster-thinned and control fruit.”
t0“cherry tomato”
Claim · model-written summary
Twenty two phenolic compounds from four groups were identified in cherry tomato fruit across treatments.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee0
- Organ / stage
- fruite0
- Outcome
- phenolic compoundse0
- Value
- 22e0
- Qualifier
- four phenolic groupse0
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Regardless of the treatment, 22 individual phenolic compounds from four phenolic groups have been identified in cherry tomato fruit.”
Claim · model-written summary
Approximately half the analyzed phenolics differed significantly among treatments, especially hydroxycinnamic acids.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- treatmentse0
- Outcome
- analyzed phenolicse0
- Value
- approximately one halfe0
- Qualifier
- particularly from the group of hydroxycinnamic acidse0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“Significant differences among treatments have been determined in approximately one half of analyzed phenolics, particularly from the group of hydroxycinnamic acids.”
t0“cherry tomato”
Claim · model-written summary
Cluster thinning moderately affected secondary metabolite composition.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformee0
- Treatment
- cluster thinninge0
- Outcome
- secondary metabolite compositione0
- Qualifier
- moderatelye0
Not reportedComparatorDirection
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“cluster thinning only moderately affected secondary metabolite composition of cherry tomato”
Claim · model-written summary
Cluster thinning had little positive effect on phenol and carotenoid levels.
- Taxon
- cherry tomatoSolanum lycopersicum var. cerasiformet0
- Treatment
- cluster thinninge1
- Outcome
- levels of the two most important groups of antioxidant compounds (phenols and carotenoids)e0
- Direction
- positive effecte0
- Qualifier
- littlee0
Not reportedComparator
Organisms pictured · Representative pictures of the matched species, not figures from the paper.
Verbatim
e0“had little positive effect on the levels of the two most important groups of antioxidant compounds (phenols and carotenoids).”
e1“cluster thinning only moderately affected secondary metabolite composition of cherry tomato”
t0“cherry tomato”
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