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. 2025 Aug 19;16:1644621. doi: 10.3389/fpls.2025.1644621

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Copyright © 2025 Guerriero, Arcieri, Delvento, Giudice, Cannarella, Mimiola, Cavallo, Ricciardi, Lotti and Pavan.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Heatmap depicting the similarity between various melon samples, with values ranging from 0 to 0.8. Snake melon samples are highlighted in red and cucumber melon samples in blue. The dendrogram on the left shows clustering based on similarity. — Genetic distance among populations under study. Values in the heatmap refer to pairwise Wright’s F_ST index values. The dendrograms at the borders of the heatmap are indicative of genetic distances among populations. Cucumber melon and snake melon populations are indicated by blue and red rectangles, respectively.