Pruning terms and techniques affect vigour and flower formation of Ukrainian sweet cherry trees

Q3 Agricultural and Biological Sciences

Advances in horticultural science Pub Date : 2023-11-22 DOI:10.36253/ahsc-13827

P. Bondarenko, O. Alekseeva, V. Senin, P. Kondratenko

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引用次数: 0

Abstract

Excessive tree vigour and late entrance into full production, inherent to sweet cherry trees, are major challenges in the intensive cultivation of this crop. Possible ways to reduce the vigour and stimulate flower induction include shifting the term of pruning and reducing its severity. However, the reaction of the trees may differ depending on specific cultivar, soil and climatic conditions. Therefore, the aim of the study was to determine the effect of various techniques and terms of pruning on young sweet cherry trees in order to adapt the intensive cultivation technology to the arid conditions of southern Ukraine. The results showed a strong cultivar-specific reaction to various pruning treatments. Pruning young sweet cherry trees in late summer contributed to a reduction of trunk and canopy indices by 11-22% on one of the cultivars and an increase in the number of flowers per tree by 1.4-1.7 times on both cultivars, compared to dormant pruning. Low severity pruning reduced 1-year-old shoot length by 9-25% and increased the number of flowers by 1.5-2.5 times compared to more aggressive pruning. The effect of pruning treatments on tree vigour was more pronounced during the first and second year of their application.

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修剪条件和技术会影响乌克兰甜樱桃树的活力和花朵形成

甜樱桃树固有的树势过旺和进入盛花期过晚的问题，是集约化栽培这种作物所面临的主要挑战。降低树势和促进开花的可行方法包括改变修剪期限和降低修剪强度。然而，树木的反应可能因具体的栽培品种、土壤和气候条件而有所不同。因此，研究的目的是确定各种修剪技术和修剪期限对甜樱桃幼树的影响，以使集约化栽培技术适应乌克兰南部的干旱条件。研究结果表明，栽培品种对各种修剪处理的反应具有很强的特异性。与休眠期修剪相比，夏末修剪甜樱桃幼树可使其中一个栽培品种的树干和树冠指数降低 11-22%，两个栽培品种的单株花数增加 1.4-1.7 倍。与更积极的修剪相比，低度修剪使 1 年生枝条长度减少了 9-25%，花朵数量增加了 1.5-2.5 倍。修剪处理对树木活力的影响在第一年和第二年更为明显。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Advances in horticultural science Agricultural and Biological Sciences-Horticulture

CiteScore

1.20

自引率

0.00%

发文量

审稿时长

12 weeks

期刊介绍： Advances in Horticultural Science aims to provide a forum for original investigations in horticulture, viticulture and oliviculture. The journal publishes fully refereed papers which cover applied and theoretical approaches to the most recent studies of all areas of horticulture - fruit growing, vegetable growing, viticulture, floriculture, medicinal plants, ornamental gardening, garden and landscape architecture, in temperate, subtropical and tropical regions. Papers on horticultural aspects of agronomic, breeding, biotechnology, entomology, irrigation and plant stress physiology, plant nutrition, plant protection, plant pathology, and pre and post harvest physiology, are also welcomed. The journal scope is the promotion of a sustainable increase of the quantity and quality of horticultural products and the transfer of the new knowledge in the field. Papers should report original research, should be methodologically sound and of relevance to the international scientific community. AHS publishes three types of manuscripts: Full-length - short note - review papers. Papers are published in English.