Floral trait evaluations in melon are still limited, despite their importance in breeding programs. This study aimed to evaluate the performance of melon genotypes and to identify their clustering patterns based on floral traits. The experiment was conducted from June to August 2025 in a greenhouse at the Wedomartani Experimental Station, UPN Veteran Yogyakarta, using eleven melon genotypes arranged in a randomized complete block design (RCBD) with three replications. Significant differences were detected for hermaphrodite flower petal length (HFPL) and hermaphrodite flower petal width (HFPW). Genotypes G11 (3.3 cm and 2.3 cm) and G9 (3.2 cm and 2.2 cm) exhibited the highest HFPL and HFPW values, respectively. Based on the traits of HFPL and HFPW, genotypes G9 and G11 were selected as sources of genetic material to be continued in the next planting season. Cluster analysis using Ward’s method grouped the genotypes into three major clusters. The first cluster consisted of genotypes G1 and G3. The second cluster consisted of genotypes G2, G7, G14, G10, G13, and G15. The third cluster consisted of genotypes G5, G9, and G11. The first group consisted of genotypes derived from the offspring of the Makuwa group. The genotypes in the second group were mainly from the Cantalupensis melon group, while those in the third group belonged to the Inodorus melon group. This indicates that the clustering analysis effectively distinguished the genotypes according to their group. The relationships among the eleven genotypes based on floral traits provide valuable insights for melon breeding and the development of improved cultivars.
Huda et al. (Wed,) studied this question.
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