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Fathur Rachman
Indonesian Oil Palm Research Institute
Agriculture, Biological Sciences & Forestry

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The insignificance of genotype-by-environment interaction suggests a stable bunch component traits in oil palm progenies Fathur Rachman; Sujadi; Heri Adriwan Siregar; Yurna Yenni
E-Journal Menara Perkebunan Vol. 94 No. 1 (2026): 94(1), 2026
Publisher : INDONESIAN RESEARCH INSTITUTE FOR BIOTECHNOLOGY AND BIOINDUSTRY

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iribb.jur.mp.v94i1.683

Abstract

Recently, the development of oil palm varieties with diverse environmental adaptations and high oil productivity has become a critical priority. Analysis of genotype-by-environment (G × E) interactions and stability is a valuable tool for achieving these goals. This study aimed to gather information on the impact of G × E interactions and the stability of several test progenies grown in various environments on bunch component traits. Sixteen progenies were tested in North Sumatra Province and Riau Province. This study used a combined analysis of variance and six stability parameters. Four of the seven bunch component traits showed different responses based on their environment. However, this study did not reveal the influence of G × E interactions on bunch component traits. Nonetheless, a slight G × E variance was observed in the mesocarp-to-fruit (M/F), shell-to-fruit (S/F), kernel-to-fruit (K/F), and kernel-to-bunch (K/B) ratios. Furthermore, we successfully identified several progenies classified as stable with favorable bunch component traits. This shows the potential to produce superior palm oil varieties with good bunch components and the ability to adapt to various environmental conditions.
Co-Authors Heri Adriwan Siregar Sujadi Yurna Yenni