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All Journal EUGENIA
Jeanne Martje Paulus
Program Studi Agronomi, Fakultas Pertanian, Universitas Sam Ratulangi
Agriculture, Biological Sciences & Forestry

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PENGARUH PEMBERIAN PUPUK ORGANIK CAIR LIMBAH DAPUR TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KANGKUNG DARAT (Ipomoea reptans Poir) Ryan Chrisye Rantung; Paula Clara Heinny Supit; Jeanne Martje Paulus; Meity Rosadelly Rantung; Sesilia Anita Wanget; Annatje Engelian Bernadette Inkiriwang
EUGENIA Vol. 30 No. 3 (2024): Eugenia
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.v30i3.60642

Abstract

Efforts to increase the productivity of land kale plants with environmentally friendly cultivation techniques are by utilizing kitchen waste to be processed into liquid organic fertilizer which can spur plant growth. This study aims to examine the effect of kitchen waste liquid organic fertilizer (POC) on the growth and production of land kale plants. This research was conducted in Tolok Village, Tompaso District, Minahasa Regency, North Sulawesi. This research began in October to December 2023. The field experiment was arranged in a Randomized Group Design (RAK), with one treatment factor, namely the concentration of kitchen waste POC, consisting of P0 = 0 ml/l (control), P1 = 25 ml/l, P2 = 50 ml/l, P3 = 75 ml/l, and P4 = 100 ml/l. Parameters observed were plant height, leaf length, number of leaves, and plant fresh weight. Data were analyzed using Analysis of Variance (ANOVA) at the 5% test level if testing with the F test is significant, followed by a different test of the means using the BNT (Least Real Difference) test at the 5% level. The results showed that the provision of POC had an effect on plant height, leaf length, number of leaves, and fresh weight of plants. Giving the best kitchen waste POC is at a concentration of 100 ml/liter, which gives the highest results in all parameters observed. Keywords: liquid organic fertilizer, kitchen waste, land kale
PENGARUH PEMBERIAN PUPUK ORGANIK CAIR (POC) AIR KELAPA TERHADAP PERTUMBUHAN DAN HASIL TANAMAN PAKCOY (Brassica rapa L.): The Effect of Coconut Water Liquid Organic Fertilizer (POC) on the Growth and Yield of Pakcoy (Brassica rapa L.) Rian Yehezkiel Daud Lintong; Jeanne Martje Paulus; Saartje Sompotan; Johannes Elie Xaveriano Rogi; Sesilia Anita Wanget; Meity Rosadelly Rantung; Yefta Pamandungan
EUGENIA Vol. 31 No. 3 (2025): Eugenia
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/kfgqx213

Abstract

Efforts to increase the growth and yield of pak choy (Brassica rapa L.) plants can be done through organic fertilization, one of which is by using coconut water-based POC. This study aims to determine the effect of coconut water POC on the growth and yield of pak choy plants. This study lasted for 2 months from February to April 2025. This study was conducted at the Green House, Faculty of Agriculture, Sam Ratulangi University Manado, using a Completely Randomized Design (CRD) method with 5 treatments, namely, P₀ Control (without POC), P₁ (POC 20 ml/L water), P₂ (POC 40 ml/L water), P₃ (POC 60 ml/L water) and P₄ (POC 80 ml/L water). Each treatment was repeated 3 times so that there were 15 experimental units with each experimental unit consisting of 3 plants so that a total of 45 plants with the observed variables were plant height, number of leaves, fresh weight and root weight. Data were analyzed using ANOVA and continued with the LSD test at the 5% level with the help of Minitab software version 21. The results showed that the administration of coconut water POC significantly affected all observation parameters. The P₄ treatment (POC 80 ml/L water) produced the highest values for all parameters.   Keywords: coconut water, liquid organic fertilizer, pakcoy, Plant Growth, Plant Yield
APLIKASI PHOTOSYNTHETIC BACTERIA TERHADAP PERTUMBUHAN VEGETATIF TANAMAN NILAM (Pogostemon cablin BENTH.) Patrisia Indri Kowaas; Johannes Elie Xaveriano Rogi; Meity Rosadelly Rantung; Jeanne Martje Paulus; Jantje Pongoh; Annatje E. B. Inkiriwang
EUGENIA Vol. 31 No. 2 (2025): Eugenia
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/eug.v31i2.65475

Abstract

Patchouli (Pogostemon cablin Benth.) is an essential oil–producing plant with high economic value. The vegetative stage plays a critical role in determining biomass production potential. This study evaluated the effect of Photosynthetic Bacteria (PSB) fertilizer on the vegetative growth of patchouli. The experiment was carried out in Kinalawiran Village, South Minahasa Regency, using a Randomized Block Design (RBD) with four treatments: control (no PSB), PSB 10 ml/L, PSB 20 ml/L, and PSB 30 ml/L, each replicated six times. Growth parameters observed were plant height, stem diameter, and fresh weight. Results showed that PSB application significantly improved all measured parameters. The 30 ml/L treatment produced the highest growth response; however, the linear trend observed across treatments indicated that the optimum dose had not yet been achieved within the tested range. Further studies with higher concentrations are recommended to determine the optimal PSB dosage for maximizing vegetative growth in patchouli. Keywords: Patchouli, vegetative phase, PSB, plant growth
RESPON PERTUMBUHAN DAN HASIL TANAMAN PAKCOY (Brassica rapa L.) TERHADAP BEBERAPA JENIS MEDIA TANAM PADA HIDROPONIK SISTEM WICK: Growth and Yield of Pakcoy (Brassica rapa L.) Plants to Several Planting Media in the Hydroponic Wick System. Ir Serly Ivone Kawuwung; Yefta Pamandungan; Saartje Sompotan; Jeanne Martje Paulus; Johannes Elie Xaverino Rogi; Sesilia Anita Wanget
EUGENIA Vol. 32 No. 1 (2026): Eugenia
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/8a81n451

Abstract

ABSTRACT Pakcoy (Brassica rapa L.) is a horticultural crop that is highly favored by the public; however,its productivity has declined due to limited land availability. The wick hydroponic system is an efficient alternative cultivation method. This study aimed to determine the effects of different growing media and to identify the best medium for the growth and yield of pakchoi. The research was conducted from May to June 2025 in Kotamobagu, North Sulawesi (789.71 meters above sea level), using a Randomized Block Design (RBD) with four treatments of growing media (rockwool, cocopeat, rice husk charcoal, and compost) and four replications. The observed variables included plant height, number of leaves, leaf length, and fresh weight. The results showed that the growing media treatments had a significant effect on all parameters. Compost medium (P4) produced the best growth and yield response, with a plant height of 23.06 cm, 16.5 leaves, a leaf length of 11.25 cm, and a fresh weight of 53.88 g. In conclusion, compost is the most suitable growing medium for pakchoi cultivation in the wick hydroponic system. Keywords: Pakcoy, hydroponics, wick system, growing media, compost.
PENGARUH MEDIA TANAM TERHADAP PERTUMBUHAN DAN HASIL TANAMAN SAWI HIJAU (Brassica juncea L.): The Effect of Growing Media on The Growth and Yield of Mustard Greens (Brassica juncea L.) Angelica Sono; Langimanapa Sofia Demmassabu; Pemmy Tumewu; Jantje Pongoh; Jeanne Martje Paulus; Stella Maria Theresia Tulung
EUGENIA Vol. 32 No. 2 (2026): Eugenia
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/ffjszn09

Abstract

Growing media are one of the main components in plant cultivation, both conventional and modern, functioning as a medium for root growth and development, as well as providing nutrients, water, and air required for plant metabolism. This study aimed to determine the effect of growing media and to identify the best growing medium for the growth and yield of green mustard (Brassica juncea L.). This study was conducted in Kakaskasen Dua Village, North Tomohon District, Tomohon City, at an altitude of 800 meters above sea level. The research was carried out from October to December 2025 with a single-factor Completely Randomized Design (CRD) with five growing media treatments, namely soil (M0), soil : chicken manure (1:1) (M1), soil : chicken manure : rice husk charcoal (2:2:1) (M2), soil : rice husk charcoal (1:1) (M3), and soil : chicken manure : rice husk : rice husk charcoal (1:1:1:1) (M4), each replicated five times. The observed variables included plant height, number of leaves, and fresh weight of the plant. Data were analyzed using analysis of variance (ANOVA), followed by the Least Significant Difference (LSD) test at the 5% level. The results showed that treatment M2 produced the best growth (plant height of 44.72 cm and number of leaves of 16.60) as well as the highest fresh weight yield of green mustard. Keywords: growing media, growth, mustard greens, rice husk charcoal, yield
PENGARUH PENGGUNAAN EKSTRAK BAWANG PUTIH (Allium sativum L.) SEBAGAI ZPT ALAMI PADA PERAKARAN STEK PUCUK KRISAN (Chrysanthemum morifolium R.): The Effect of Garlic Extract (Allium sativum L.) as a Natural Plant Growth Regulator on the Rooting of Chrysanthemum (Chrysanthemum morifolium R.) Shoot Cuttings Mikha Polimpung; Yefta Pamandungan; Saartje Sompotan; Johannes Elie Xaveriano Rogi; Jeanne Martje Paulus; Langimanapa Sofia Demmassabu
EUGENIA Vol. 31 No. 3 (2025): Eugenia
Publisher : Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35791/vwytgv09

Abstract

Chrysanthemum is an ornamental plant prepared for export by the City of Tomohon, but the availability of seedlings remains limited. Vegetative propagation with the aid of garlic extract as a natural growth regulator (PGR) can be a solution to accelerate the rooting of shoot cuttings.This study aimed to determine the effect of using garlic extract (Allium sativum L.) and to identify the best concentration of garlic extract as a natural PGR on the root development of chrysanthemum shoot cuttings (Chrysanthemum morifolium R.). The research was conducted in September 2024 at the Screen House of the UPTD Seed Breeding and Agrotourism Show Window, Tomohon City. The study used a Completely Randomized Design (CRD) with five levels of garlic extract concentration treatments: P0 (0% garlic extract + 100% sterile water), P1 (25% garlic extract + 75% sterile water), P2 (50% garlic extract + 50% sterile water), P3 (75% garlic extract + 25% sterile water), P4 (100% garlic extract + 0% sterile water). Each treatment was replicated three times, with three cuttings per experimental unit, resulting in a total of 45 cuttings. The observation data were analyzed using ANOVA and further tested with the 5% Least Significant Difference (LSD) test. The results showed that garlic extract had an effect on the root length of chrysanthemum shoot cuttings and provided protection against pest and disease attacks. Keywords: Garlic extract; Natural PGR; Shoot cuttings; Root growth; Chrysanthemum.
Co-Authors Angelica Sono Annatje E. B. Inkiriwang Annatje Engelian Bernadette Inkiriwang Ir Serly Ivone Kawuwung Jantje Pongoh Johannes Elie Xaveriano Rogi Johannes Elie Xaverino Rogi Langimanapa Sofia Demmassabu Meity Rosadelly Rantung Mikha Polimpung Patrisia Indri Kowaas Paula Clara Heinny Supit Pemmy Tumewu Rian Yehezkiel Daud Lintong Ryan Chrisye Rantung Saartje Sompotan Sesilia Anita Wanget Stella Maria Theresia Tulung Yefta Pamandungan