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Menara Perkebunan
Published by Pusat Penelitian Kelapa Sawit
ISSN : 01259318     EISSN : 18583768     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Menara Perkebunan as a communication medium for research in estate crops published articles covering original research result on the pre- and post-harvest biotechnology of estate crops. The contents of the articles should be directed for solving the problems of production and/or processing of estate crops of smallholder, private plantations and state-owned estates, based on the three dedications of plantation. Analyses of innovative research methods and techniques in biotechnology, which are important for advancing agricultural research. Critical scientific reviews of research result in agricultural and estate biotechnology.
Arjuna Subject : -
Articles 554 Documents
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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.
Histochemistry: Indicator for Somatic Embryogenesis of Oil Palm (Elaeis guineensis Jacq.) Genotypes Pisifera and Tenera Muhammad Ilham; Ernayunita
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.v94i1.689

Abstract

Somatic embryogenesis plays an important role in oil palm clone regeneration by enabling large-scale propagation of genetically uniform planting materials. Nevertheless, the practical implementation of this technique remains challenging, particularly due to the low efficiency of callus induction andembryos formation. This study aimed to evaluate the morphological characteristics and histochemical profiles associated with embryogenic development during oil palm somatic embryogenesis. The materials used consisted of callus and somatic embryos derived from Pisifera and Tenera genotypes with La Mé genetic background, each represented by four replications. Histochemical analyses were carried out using iodine potassium iodide (IKI) solution for starch detection, Millon’s reagent for protein localization, and potassium dichromate for phenolic compounds, followed by semi-quantitative intensity scoring on a 0-3 scale. Morphological observations identified four callus types, namely compact, aqueous, nodular, and aggregated, while embryo developmental progressed thorough globular, heart and scutellar phases. Histochemical analysis revealed that clone P1 showed the highest starch and protein accumulation (1.87) with relatively low phenolic content (1.22). In contrast, clone P2 exhibited the highest phenolic intensity (1.87) and the lowest starch accumulation (0.71). Clones P3 and P4 displayed relatively balanced metabolite accumulation patterns (1.58-1.87), suggesting more stable physiological condition during somatic embryo development. Two-way ANOVA demonstrated significant effect of metabolite type (starch, phenolics, and protein) and developmental phase (P1- P4) on staining intensity, with a significant interaction between both factors (P<0.0001). Overall, these findings indicate that the histochemical profiles reflect the physiological status of  tissues  and may provide preliminary insights into embryogenic development during oil palm somatic embryogenesis.
The Impact of Pasteurization on Tetracycline Residues, Physicochemical, Microbiological, and Antioxidant Properties of Acacia Honey Fuad Al Farisi; Lilik Eka Radiati; Abdul Manab; Fitri Amalia; Woro Dyah Pinilih; Metrizal Metrizal; Firda Dimawarnita
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.v94i1.704

Abstract

Honey is recognized for its high nutritional and functional value, yet it remains vulnerable to contamination by antibiotic residues such as tetracycline when beekeeping practices are not properly managed. Post-harvest pasteurization is widely utilized to improve honey safety and quality. This study examined the effects of pasteurizing honey at 60°C for 10, 20, or 30 minutes on tetracycline and oxytetracycline residue levels, as well as on the physicochemical, microbiological, and antioxidant properties of acacia honey (Apis mellifera). Honey samples were artificially contaminated with antibiotics at 1 µg/g and analyzed using high-performance liquid chromatography (HPLC). Pasteurization at 60°C reduced oxytetracycline residues by approximately 33% (P<0.01). Pasteurization also decreased moisture content and diastase enzyme activity, while acidity increased with longer heating durations. Hydroxymethylfurfural levels remained very low (<1 mg/kg), indicating minimal thermal damage. Reducing sugar and sucrose levels were largely unchanged, total plate count (TPC) decreased slightly but not significantly, and yeasts and molds were undetectable after 10 minutes of pasteurization. Antioxidant activity showed a slight, non-significant reduction, whereas flavonoid content declined substantially due to heat exposure. In summary, pasteurization at 60°C effectively reduces antibiotic residues and microbial presence in honey, but also affects certain quality parameters, particularly diastase enzyme activity, acidity, and flavonoid content.
Soil fungal diversity profile of the sugarcane plantations in Lampung and South Sumatra, Indonesia Muhammad Abdul Aziz; Donny Nugroho Kalbuadi; Galuh Wening Permatasari; Happy Widiastuti
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.v94i1.707

Abstract

As a high-value commodity, sugarcane harvesting areas in Indonesia have been declining year after year. Metagenomic studies on sugarcane plantation land are expected to provide an overview of land suitability for sustainable sugarcane production. This study investigated soil fungal communities in two sugarcane plantations, Bunga Mayang (BUMA) and Cinta Manis (CIMA), in Lampung and South Sumatra, respectively, using high-throughput ITS1 gene sequencing. Chemical and biological analyses were conducted on soils with depths of 0-20 cm and 20-      40 cm on plant cane (PC) and ratoon cane (RC) categories. The results showed that plantation land in South Sumatra (CIMA) had higher organic carbon and total nitrogen concentrations than in Lampung (BUMA). However, in several other parameters, such as P2O5, K2O, and microbial population, the BUMA farm has higher values with lower pH. Metagenomic analysis revealed the differences in microbial dominance between the plantation areas. Sugarcane fields in Lampung were dominated by the genus Protrudomyces, Coralloidiomyces, and Spizellomyces, while South Sumatra was dominated by the genus Lichtheimia, Phyctochytrium, and Spizellomyces. In the RC category, Lichtheimia corymbifera is the most dominant species in both the BUMA (RC-B) and CIMA (RC-C) plantations. However, in the PC category, BUMA (PC-B) is dominated by Protrudomyces lateralis, meanwhile CIMA (PC-C) is dominated by Phlyctochytrium californicum. The alpha diversity values of the two areas did not significantly different, with low Trichoderma populations. Thus, sugarcane fields in the two locations differ in microbial composition, which is thought to be influenced by different technical cultures and environmental conditions.

Page 56 of 56 | Total Record : 554

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