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HELFI EKA SAPUTRA
Program of Plant Breeding and Biotechnology, Graduate School, Institut Pertanian Bogor. Jl. Raya Dramaga, Kampus IPB Dramaga, Bogor 16680, West Java, Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology

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Diversity and morphological characteristics of flowers in reticulatus, inodorus, and makuwa group melon (Cucumis melo) HELFI EKA SAPUTRA; MUHAMAD SYUKUR; WILLY BAYUARDI SUWARNO; SOBIR SOBIR
Biodiversitas Journal of Biological Diversity Vol. 25 No. 7 (2024)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d250735

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Abstract. Saputra HE, Syukur M, Suwarno WB, Sobir. 2024. Diversity and morphological characteristics of flowers in reticulatus, inodorus, and makuwa group melon (Cucumis melo). Biodiversitas 25: 3130-3137. Characterization of melon (Cucumis melo L.) flowers is useful for crossing. This research aimed to obtain information about the diversity and morphological characteristics of melon flowers in the reticulatus, inodorus, and makuwa groups. Fifteen genotypes from 3 groups (5 genotypes each) were tested. There were 8 flower characters observed. Principal component and cluster analysis have been used to calculate similarity coefficients. Grouping based on flower characters was divided into 4 groups with a diversity of 52.7%. There are no morphological characteristics of flowers to characterize each group of melons. The reticulatus group has flower characteristics as follows: NMFP of 5-5.4 petals, NHFP of 5-5.2 petals, SLMF of 0.95-2.9 cm, SLHF of 0.36-1.98 cm, DMFS of 1.01-1.34 mm, DHFS of 2.57- 3.15 mm, DMF of 3.12-4.99 cm, and DHF of 8.03-8.61 cm. The inodorus group has flower characteristics as follows: NMFP of 4-5 petals, NHFP of 5 petals, SLMF of 1.34-3.18 cm, SLHF of 0.7-2.46 cm, DMFS of 1.16-1.61 mm, DHFS of 2.72-2.94 mm, DMF of 3.47-4.34 cm, and DHF of 6.56-8.15 cm. The makuwa group has flower characteristics as follows: NMFP of 5-8 petals, NHFP of 5-6 petals, SLMF of 1.32-1.98 cm, SLHF of 1.04-1.74 cm, DMFS of 1.07-1.36 mm, DHFS of 2.67- 3.86 mm, DMF of 3.31-3.85 cm, and DHF of 7.16-8.35 cm.
Analysis of similarity and dissimilarity of combining ability and heterosis for melon (Cucumis melo) fruit characters using multi-environments HELFI EKA SAPUTRA; MUHAMAD SYUKUR; WILLY BAYUARDI SUWARNO; SOBIR SOBIR
Biodiversitas Journal of Biological Diversity Vol. 26 No. 4 (2025)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d260436

Abstract

Abstract. Saputra HE, Syukur M, Suwarno WB, Sobir. 2025. Analysis of similarity and dissimilarity of combining ability and heterosis for melon (Cucumis melo) fruit characters using multi-environments. Biodiversitas 26: 1870-1880. Evaluating combining ability and heterosis simultaneously across different environments facilitates the identification of hybrids with comparative advantages for melon breeding. Therefore, this study aimed to evaluate the consistency of General Combining Ability (GCA), Specific Combining Ability (SCA), heterosis, and heterobeltiosis on the characteristics of melon fruit in three environments, namely Bengkulu, Cilegon, and Argamakmur. The method used a completely randomized block design with one factor for each environment. The full diallel population (30 F1+6 parents) was repeated thrice, leading to 108 experimental units in each environment. The results showed that the best combined GCA value was followed by the optimal GCA value in each environment, despite genetic × environment and GCA × environment interaction. The consistency of GCA was due to the additive effect role that was not influenced by the environment. The best combined SCA value was not followed by the optimal SCA value in each environment, showing inconsistency due to non-additive effect roles (dominance and epistasis), which were easily influenced by the environment. The results also showed that genetic distance affected the values of heterosis and heterobeltiosis. Furthermore, crossbreeding between melon groups produced better heterosis and heterobeltiosis values than crossbreeding within the same group. Combining ability (GCA and SCA), mid-parent value, heterosis, and heterobeltiosis across multiple environments helped identify hybrids with comparative advantages for melon breeding.
Co-Authors MUHAMAD SYUKUR MUHAMAD SYUKUR SOBIR SOBIR SOBIR SOBIR WILLY BAYUARDI SUWARNO WILLY BAYUARDI SUWARNO