Regulation of tomato fruit size by plant density and truss thinning

Cockshull, K. E.; Ho, L. C.

doi:10.1080/14620316.1995.11515309

Cited by 36 publications

(22 citation statements)

References 2 publications

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“…1, 4.6, 4.9, 4.4, 3.2, 3.3 and 3.7 under no cover and 4.1, 3.9, 4.1, 4.1, 3.3, 2.6 and 2.8 under 83% shading (Wada et al, 2006). Fruits load affected sink strength (Heuvelink and Buiskool, 1994), and then fruits yield (Cockshull and Ho, 1995;Heuvelink, 1997). Under the condition of this experiment, the number of fruit set did not have significant difference by shading in most crops.…”

Section: Discussionmentioning

confidence: 68%

Simulation Model for Predicting Fruit Yield of Tomatoes Grown on a Single-truss System under Shade in Summer

Wada

Ikeda

Hirai

et al. 2013

Environmental Control in Biology

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Section: Discussionmentioning

confidence: 68%

Simulation Model for Predicting Fruit Yield of Tomatoes Grown on a Single-truss System under Shade in Summer

Wada

Ikeda

Hirai

et al. 2013

Environmental Control in Biology

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“…Hanna (2009) determined, that cluster thinning to three fruits instead to four significantly increased total marketable yield, reduced cull yield, and increased fruit mass. Cockshull and Ho (1995) similarly reported, that 30% fruit removal from the first three clusters resulted in increased fruit mass and reduced cull. In contrast to the reports for standard tomato varieties, cluster thinning of cherry tomatoes in our study resulted in approx.…”

Section: Treatmentmentioning

confidence: 82%

Influence of cluster thinning on quantitative and qualitative parameters of cherry tomato

Slatnar¹,

Mikulič-Petkovšek²,

Štampar³

et al. 2020

Europ.J.Hortic.Sci

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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 ½ or to 2∕₃ 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). Keywords carotenoids, cherry tomato, cluster thinning, fruit quality, phenolic compounds Significance of this study What is already known on this subject? • Cluster thinning is a common measure in greenhouse tomato production aimed to maximize tomato fruit size, while no information about the fruit load adaptability to the production of assimilate after the cluster thinning of cherry tomatoes currently exists. What are the new findings? • Cluster thinning influenced harvest time, yield and color of cherry tomatoes, as well as the composition of sugars, organic acids, carotenoids and phenolic compounds in different ways. What is the expected impact on horticulture? • To widen horticultural knowledge about the advantages and disadvantages of cluster thinning of cherry tomato.

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“…Removal or damage of immature trusses on mature tomato plants induces a compensatory shift in yield within trusses located directly above and below those damaged (Slack and Calvert, 1977;Horridge and Cockshull, 1998). Similarly, removal of individual flowers within a truss can initiate compensatory weight increases within the remaining fruit (Cockshull and Ho, 1995). No evidence was found in the present study to suggest that depression in yield components resulting from exposure of the 3rd truss to O 3 were offset by compensatory increases in the weight or number of fruit borne on the 2nd truss.…”

Section: Discussionmentioning

confidence: 97%

Exposure to environmentally-relevant levels of ozone negatively influence pollen and fruit development

Gillespie

Stabler

Tallentire

et al. 2015

Environmental Pollution

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Regulation of tomato fruit size by plant density and truss thinning

Cited by 36 publications

References 2 publications

Simulation Model for Predicting Fruit Yield of Tomatoes Grown on a Single-truss System under Shade in Summer

Simulation Model for Predicting Fruit Yield of Tomatoes Grown on a Single-truss System under Shade in Summer

Influence of cluster thinning on quantitative and qualitative parameters of cherry tomato

Exposure to environmentally-relevant levels of ozone negatively influence pollen and fruit development

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