Comparative Analysis of Branch Diameter Variations in ’Cherry Gala’ Apple Trees

E3S Web of Conferences(2024)

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摘要
This study presents a detailed characterization of the branch architecture of the ’Cherry Gala’ apple variety, conducted in Azrou region, Morocco, with a focus on two distinct stages of growth. The main objective was to measure and analyze the diameters at the base and extremity of various architectural components, including the trunk, scaffold branches, and specific fruit-bearing structures like dard, bourse, and fruiting spurs. Our analysis revealed that the variation in diameter at the base was not significantly different between stages for fruiting spurs and dard, but was significant for bourse. Conversely, the diameter at the extremity showed significant variation for fruiting spurs and bourse, but not for dard. Additionally, the study found a predominance of bearing branches, which constituted 44% of the total. However, crowned twigs, simple twigs, and woody twigs, representing only 5% of the branches, were excluded from the analysis due to their low numbers. The study also established significant correlations between the base and extremity diameters across different types of branches. These findings provide valuable insights into the structural dynamics of ’Cherry Gala’ apple trees, which could be instrumental in optimizing orchard management practices and enhancing yield predictions. Future research could benefit from incorporating these structural aspects with fruit production data for a more holistic understanding of apple tree growth and productivity
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关键词
architecture,apple tree,diameter,levels,stage
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