Over the past two decades, exports of fresh cherries have grown rapidly, reaching 415,398 tonnes in the 2022-2023 season, with the Far East as the main destination, accounting for 92% of total exports (source: iQonsulting, 2023).
This increase is mainly due to the expansion of new orchards and better yields in existing orchards, especially for varieties such as Lapins and Santina. However, this growth can often compromise fruit quality, especially fruit size, which is a crucial factor in determining price and yield for growers.
To remain a leader in the industry, it is crucial to look for ways to improve the quality of the fruit demanded by the target markets. Growers have several management strategies to increase fruit size, including adjusting fruit load (through early bud or flower thinning), proper irrigation and fertilisation management, and the use of biostimulants and growth regulators during fruit development.
To better understand how these strategies work, it is important to understand the growth curve of the fruit. The cherry has a double sigmoid growth curve divided into three phases. The first phase is characterised by active cell division of the mesocarp (fruit flesh) and significantly influences the potential size of the fruit.
The second phase involves a slower growth of the mesocarp, while the third phase is characterised by the elongation of the cells of the mesocarp due to water supply, which makes proper irrigation management important.
Changes in fruit size are influenced by phytohormones, the concentration of which varies during development. For example, in the early stage, there are high levels of growth-related phytohormones such as auxins, cytokinins and gibberellins, while in the later stage, there is an increase in gibberellins and abscisic acid, which regulates ripening.
Fig.1: Dinamica di crescita e concentrazione di fitormoni durante lo sviluppo dei frutti.
Read the full article: Mundoagro
Images: Mundoagro
26 Nov 2025
An Italian study tests kaolin, azadirachtin, pyriproxyfen, and cyromazine for sustainable control of Drosophila suzukii in cherry orchards. Promising results help reduce fruit damage while minimizing environmental impact from traditional pesticides.
29 May 2025
A Spanish study shows that applying natural salicylates to cherry trees during fruit development improves quality, enhances antioxidants, and extends shelf life—offering an effective postharvest solution for health-conscious consumers and commercial producers alike.
23 Sep 2026
A study conducted in Kashmir, India, defines an extended BBCH scale for five sweet cherry cultivars. The 50 phenological stages described support more precise orchard management, from flowering and ripening to crop protection and climate monitoring across seasons now.
23 Sep 2026
In Aargau, Switzerland, an agri-photovoltaic system covers more than one hectare of cherry trees, combining power generation, rain protection and shading. Research is assessing its effects on yield, water management, soil conditions, disease pressure and fruit quality.
