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All Journal Jurnal Agrotek Tropika AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Agricultural Revolution Journal
Sri Nurmayanti
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Environmental Science Materials Science & Nanotechnology

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Variabilitas, Korelasi, dan Analisis Kelas Sepuluh Genotipe Nilam (Pogostemon cablin Benth.): Variabilitas, Korelasi, dan Analisis Kelas Sepuluh Genotipe Nilam (Pogostemon cablin Benth.) Sri Nurmayanti; M Tahir; Gusti Ayu Putu Dianti
AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Vol 5 No 1 (2021): AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian
Publisher : Universitas Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (629.641 KB) | DOI: 10.33019/agrosainstek.v5i1.265

Abstract

Patchouli is a plant that produces essential oils that cannot be substituted with other essential oils. The genetic diversity of patchouli is low, because in Indonesia there are only five superior clones, and this is caused a limitation for cultivation. Therefore it is necessary to produce new superior clones filled by national standards. This study tested nine patchouli superior genotypes resulting from mutations. The main objective of this research were to obtain the results stability, wide variability, to determine the correlation of each parameter and class closeness among ten patchouli genotypes. The study used nine plant clones of patchouli from the collection and one patchouli variety released in Indonesia as a comparison, namely Lhoksemauwe. The treatments were arranged in a completely randomized block design with three replications. Based on the results of the study, there was no significant difference in almost all observed parameters except for the stem diameter parameter. The genotype used has shown the stability of the results at the Rajabasa location in South Lampung. The variability in almost all parameters showed broad criteria, except for the parameters of cell turgidity and oil yield. Significant positive correlations occurred between several observed parameters. There are four classes formed and three of it have more than 90% closeness.
ANALISIS VEGETASI GULMA PADA BERBAGAI TEGAKAN TANAMAN PERKEBUNAN Dimas Prakoswo Widiyani; Kresna Shifa Usodri; Sismita Sari; Sri Nurmayanti
Jurnal Agrotek Tropika Vol 11, No 1 (2023): JURNAL AGROTEK TROPIKA VOL 11, FEBRUARI 2023
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v11i1.6045

Abstract

Tanaman perkebunan merupakan jenis tanaman idustri yang sangat berpotensi di Indonesia. Tidak optimalnya perkembangan serta produksi tanaman perkebunan dipengaruhi dari banyak hal seperti kondisi perubahan iklim , teknis budidaya serta keadaan teknologi yang kurang.  Dengan kondisi tanaman yang berbeda-beda serta tajuk tanaman yang berbeda maka akan membuat iklim mikro yang bervariatif. Iklim mikro selain mempengaruhi tanaman budidaya juga akan mempengaruhi lngkungan disekitar tanaman budidaya, salah satunya adalah keadaan sebaran gulma di kawasan tersebut.  Gulma merupakan tumbuhan yang tidak dikehendaki keberadaanya karena mengganggu pertumbuhan dan juga produksi tanaman budidaya. Kehadiran gulma pada pertanaman akan menimbulkan kompetisi yang sangat serius dalam mendapatkan air, hara, cahaya matahari dan tempat tumbuh, dampaknya hasil tanaman tidak mampu menunjukkan potensi yang sebenarnya.  Penelitian ini dilaksanakan di berbagai tegakan tanaman perkebunan di kebun percobaan Politeknik Negeri Lampung, pada bulan April sampai dengan Juni 2022.  Parameter yang diamati adalah unsur iklim mikro (suhu, kelembaban, cahaya dan curah hujan) sedangkan parameter gulma adalah menghitung nilai SDR dan Koefisien Komunitas.  Berdasarkan hasil pengamatan yang telah dilaksanakan diperoleh masing-masing penggunaan lahan memiliki dominansi gulma yang berbeda-beda, hal ini disebabkan karena adanya perbedaan vegetasi yang secara tidak langsung mempengaruhi vegetasi disekitarnya dalam hal ini gulma.
Response of Morphological and Physiological Characters of Patchouli (Pogostemon cablin Benth.) to Water Stress Sri Nurmayanti; Dimas Prakoswo Widiyani; Adisa Ramadhani Izati
Agricultural Revolution Journal Vol. 1 No. 2 (2025): Agricultural Revolution Journal
Publisher : CIB Nusantara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.64570/agrivolution.v1i2.37

Abstract

Patchouli (Pogostemon cablin Benth.) is a plant that produces essential oils and contributes to Indonesia's foreign exchange. Patchouli plants are very sensitive to water stress and require water as the main ingredient in photosynthesis. This study aims to identify patchouli genotypes resistant to water stress and to determine interactions between patchouli genotypes and field capacity under water stress. The study was conducted at the Plantation Crop Cultivation Practice Garden and Plant Laboratory of Lampung State Polytechnic from October 2023 to March 2024. The method used was a randomized block design (RBD) with a factorial pattern consisting of two factors. Factor 1 is the patchouli genotype, namely G4 = Genotype 4, G5 = Genotype 5, G6 = Genotype 6, and G10 = Comparison clone. Factor 2 watering at field capacity K1 = 60% field capacity, K2 = 80% field capacity, K3 = 100% field capacity, and K4 = 120% field capacity. This study consisted of 16 treatment combinations, each repeated 3 times, for a total of 48 experimental units. The results showed that the patchouli plant genotype had a significant effect only on the observation variable, stover dry weight. Genotypes 4 and 5 were the genotypes that gave the best response to the observation variables of plant height, stem diameter, number of branches, plant water content, leaf area, specific leaf area, and wet weight of the stover. Field capacity had a significant effect on the observation variables, namely plant height, stem diameter, number of branches, leaf turgidity, plant water content, leaf area, specific leaf area, and stover wet weight. In the observation, plant height, number of branches, plant water content, leaf area, specific leaf area, and stover dry weight showed an interaction between the patchouli genotype and the given field capacity.
Co-Authors Adisa Ramadhani Izati Dimas Prakoswo Widiyani Gusti Ayu Putu Dianti Kresna Shifa Usodri M Tahir Sismita Sari Widiyani, Dimas Prakoswo