Fruit set and quality of self-fertile sweet cherries as affected by chemical flower thinning

Milić, B.; Keserović, Z.; Doric, M.; Ognjanov, V.; Magazin, Nenad

doi:10.17221/288/2014-hortsci

Cited by 9 publications

(13 citation statements)

References 16 publications

(13 reference statements)

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“…The literature mentions a similar effect after applying 2% ATS to 'Bing'/'Gisela 5' cherries [41]. In other studies, ATS was effective with 20.4 or 30.6 g/l, while the dose of 10.2 g/l had no effect on the fruit set [59]. ATS effectiveness on crop was also confirmed by studies conducted in Switzerland on four self-sterile varieties of cherries [43].…”

Section: Effect Of Thinning Treatments On Yield and Productivitymentioning

confidence: 70%

“…, [61]. According to earlier studies on cherries, TSS in the fruit could be more influenced by the cultivar and the course of weather conditions than by thinning operations [59] and the year [43]. Thinning had an effect on TSS in the full crop years (2009 and 2012), whereas it affected acidity only in 2012.…”

Section: Effect Of Thinning Treatments On Yield and Productivitymentioning

confidence: 99%

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Improving of Cherry Fruit Quality and Bearing Regularity by Chemical Thinning with Fertilizer

Kurlus¹,

Rutkowski²,

Łysiak³

2020

Preprint

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The study’s objective was to evaluate the influence of thinning on the quality and regularity of yield of 'Regina' cherries grown on a dwarf Gisela 5 rootstock. The experiments were conducted in the years 2009-2012 in Western Poland. Trees were thinned using a chemical agent, ammonium thiosulphate (ATS) at doses of 20g ATS × L-1, 30g ATS × L-1 and 40g ATS × L-1, and by hand, and the results of chemical and hand thinning were compared with those obtained for unthinned trees. The course of weather conditions in winter and during flowering had a significant impact on yield. Chemical thinning is known to be an effective method to regulate fruiting of pome trees, but it can also be successful if applied to cherry trees, as reflected by the alternate bearing index, which was the lowest after applying ATS at a dose of 40g. ATS treatment improved fruit quality in full crop years. Thinning resulted in, among other things, larger and darker fruit and higher content of total soluble solids and titratable acidity. Treatment with 40g ATS × L-1 significantly stimulated the vegetative growth of trees.

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Section: Effect Of Thinning Treatments On Yield and Productivitymentioning

confidence: 70%

Section: Effect Of Thinning Treatments On Yield and Productivitymentioning

confidence: 99%

Improving of Cherry Fruit Quality and Bearing Regularity by Chemical Thinning with Fertilizer

Kurlus¹,

Rutkowski²,

Łysiak³

2020

Preprint

View full text Add to dashboard Cite

show abstract

“…It has been reported that the use of 2% ATS does not cause visible signs of leaf damage [75]. However, at higher concentrations (3%), ATS was found to cause visible phytotoxicity on leaves, and at lower concentrations (1 and 2%), it did not reduce fruit set [6]. To reduce fruit set without damaging the leaves ATS can be applied twice at a concentration of 2%, as shown in the study on 'Bing' cherries grown on 'Gisela 5' rootstock, which yielded less fruit of better quality after the treatment [75].…”

Section: Chemical Thinningmentioning

confidence: 93%

“…However, cherry trees on dwarf rootstocks often bear an excessive number of small fruit with low sugar content [5]. Therefore, flower thinning is necessary to prevent over-yielding and to provide high-quality fruit [6,7] in terms of the basic fruit quality parameters, such as size, colour, total soluble solids, and firmness [2].…”

Section: Introductionmentioning

confidence: 99%

Thinning as Method to Regulate Sweet Cherry Crops – a Review

Rutkowski¹,

Łysiak²

2021

Preprint

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In perennial fruit crops, bearing can be influenced by various factors, including environmental conditions, germplasm, rootstocks, and cultivation methods. Cherries, one of the most important and popular fruit species from the temperate climate zone, achieve high prices on the market. New agricultural technologies and environmental factors force a change in the approach to cherry cultivation. Old-type cherry orchards with their high demand for water, nutrients and manual work are replaced by orchards of self-pollinating cherry cultivars grown on dwarf rootstocks. These changes make it necessary to search for ways to regulate fruiting, in particular to thin buds, flower and fruit. In view of environmental regulations and consumer pressure, thinning methods are being sought that either do not involve the use of chemicals or that use eco-friendly chemical agents. This review examines recent progress in understanding the effect of thinning methods on the physiology, tree growth and fruit quality of cherries, discusses horticultural practices aimed to ensure regular cropping and their influence on fruit quality, and provides suggestions for future research.

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“…Fruit trees grown on dwarf and semi-dwarf rootstocks set more flower buds [5]. However, cherry trees on dwarf rootstocks often bear an excessive number of small fruit with low sugar content [6]. Therefore, flower thinning is necessary to prevent over-yielding and provide high-quality fruit [6,7] in terms of the basic fruit quality parameters, such as size, colour, total soluble solids, and firmness [2].…”

Section: Introductionmentioning

confidence: 99%

Thinning Methods to Regulate Sweet Cherry Crops—A Review

Rutkowski

Łysiak

2022

Applied Sciences

View full text Add to dashboard Cite

In perennial fruit crops, bearing can be influenced by various factors, including environmental conditions, germplasm, rootstocks, and cultivation methods. Cherries, one of the most important and popular fruit species from the temperate climate zone, achieve high prices on the market. New agricultural technologies and environmental factors force a change in the approach to cherry cultivation. Old-type cherry orchards, with their high demand for water, nutrients, and manual work, are replaced by orchards of self-pollinating cherry cultivars grown on dwarf rootstocks. These changes make it necessary to search for ways to regulate fruiting, in particular to thin buds, flower, and fruit. In light of environmental regulations and consumer pressure, thinning methods are being sought that either do not involve the use of chemicals or that use eco-friendly chemical agents. This review examines recent progress in understanding the effect of thinning methods on the physiology, tree growth, and fruit quality of cherries; discusses horticultural practices aimed to ensure regular cropping and their influence on fruit quality; and provides suggestions for future research.

show abstract

Fruit set and quality of self-fertile sweet cherries as affected by chemical flower thinning

Cited by 9 publications

References 16 publications

Improving of Cherry Fruit Quality and Bearing Regularity by Chemical Thinning with Fertilizer

Improving of Cherry Fruit Quality and Bearing Regularity by Chemical Thinning with Fertilizer

Thinning as Method to Regulate Sweet Cherry Crops – a Review

Thinning Methods to Regulate Sweet Cherry Crops—A Review

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