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Vauzia, Vauzia
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Influence of Tithonia POC and Nano Bubble Technology on Hydroponic Pakcoy (Brassica rapa L.) Quality Alqaramah, Rachel; Fevria, Resti; Vauzia, Vauzia; Razak, Abdul
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8782

Abstract

Hydroponics offers a modern agricultural solution to overcome land limitations in urban settings. Despite its advantages, the system commonly relies on synthetic fertilizers like AB Mix, which are costly and may pose environmental risks. As a sustainable alternative, liquid organic fertilizer (POC) derived from Tithonia diversifolia, combined with nanobubble technology, may improve nutrient uptake efficiency in plants. This study aimed to evaluate the effect of combining AB Mix and nano POC on the growth of pakcoy (Brassica rapa L.) in a nanobubble-based hydroponic system. A Completely Randomized Design (CRD) was used with five treatments and five replicates: P1 (100% AB Mix), P2 (75% AB Mix + 25% nano POC), P3 (50% AB Mix + 50% nano POC), P4 (25% AB Mix + 75% nano POC), and P5 (100% nano POC). The measured variables were plant height, leaf number, leaf area, fresh weight, and dry weight. ANOVA and Duncan’s 5% test showed that P2 resulted in the best growth, while P5 had the lowest. These results indicate that nano POC is effective as a supplementary nutrient but cannot fully replace inorganic fertilizers. Further research is necessary to determine the optimal composition and its influence on plant quality.
Effect of Nanobubble Technology Gamal Leaf POC on Pakcoy (Brassica rapa L.) Quality in Hydroponic Tazri, Mufidah Insani; Fevria, Resti; Vauzia, Vauzia; Razak, Abdul
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8829

Abstract

Pakcoy (Brassica rapa L.) production in Indonesia has declined due to limited land and reliance on costly inorganic fertilizer such as ABmix. Therefore, alternative fertilizer that are more efficient and enviromentally friendly are needed. This study aimed to eximine the effects of the liquid organic fertilizer (POC) made from gamal leaves (Gliricidia sepium Jacq. Kunth) using nano bubble technology on the growth and quality of pakcoy in a hydroponic system. A Completely Randomized Design (CRD) was used with five treatments: P1 (100% ABmix), P2 (75% ABmix +25% POC nano), P3 (50% ABmix+50% POC nano), P4 (25% ABmix+75% POC nano), and P5 (100% POC nano) each replicated five times. Observed parameters included plant height, leaf number and area, and fresh and dry weight. Result showed that treatment P3 gave the best performance in all observed variables. The balanced combination of ABmix and POC nano improve nutrient availability and photosynthetic efficiency, supporting optimal plant growth. Nano POC from gamal leaves shows potential as an alternative organic fertilizer in hydroponic systems, though further research is needed to understand its long-term effects and broader application.
The Effect of NPK Based Sensors on Hydroponic Growth of Caisim Plants (Brassica Chinensis var. Parachinensis) Oktaviani, Mutia; Fevria, Resti; Vauzia, Vauzia; Razak, Abdul
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8837

Abstract

This study aims to make hydroponic plant cultivation the right alternative to overcome land limitations without the need for soil media. This study aims to determine the impact of using NPK-based sensors on the development of Caisim plants (Brassica Chinensis Var. Parachinensis) in a hydroponic system. The research design used a Completely Randomized Design (CRD) with two treatments, namely hydroponics with and without the help of IoT-based NPK sensors. Parameters include plant height, number and area of leaves, fresh weight, and dry weight. Data were analyzed using an unpaired T test at a significance level of 5%.  The results show that the use of NPK sensors has a significant effect on most growth indicators, except for dry weight. The application of this sensor has been shown to increase the efficiency of nutrient absorption needed by plants.  Therefore, this technology is worthy of being a modern solution in hydroponic cultivation to optimize production results efficiently.
Morphological Characteristics of Cucumber (Cucumis sativus L.) Leaves under Different Environmental Conditions Putri, Ulfa Dwi; Vauzia, Vauzia; Chatri, Moralita; Handayani, Dezi
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8865

Abstract

Cucumber (Cucumus sativus L.) is a horticultural crop with high water content, low calories, and potential benefits as an antibiotic, lipid-lowering agent, and antioxidant. This Plant has great potential for cultivation, as it can be marketed both domestically and internationally. However, cucumber production remains relatively low and has declined from 2022 to 2023. This decrease is caused by several factors, one of which is changing environmental conditions. Therefore, the plant's ability to adapt to different environmental conditions becomes a crucial factor in the effort to develop cucumber cultivation. Based on this, the present study was conducted to investigate the morphological characteristics of cucumber leaves under different environmental conditions. This research was conducted from September 2024 to January 2025 in two different locations, namely Kota Padang and Kamang Magek. The method used in this study was a Completely Randomized Design (CRD) with 2 treatments and 20 replications. The data obtained were analyzed using a t-test at a 5% significance level. The results showed that there were significant differences in leaf length and the number of leaf vein branches between the two research locations. The average leaf length in Kota Padang was higher, at 12.21 cm, compared to Kamang Magek, which only reached 10.42 cm. In contrast, the average number of leaf vein branches in Kamang Magek was higher, at 14.65, compared to Kota Padang, which was only 13.3. Meanwhile, no significant differences were found in leaf width and petiole length between the two locations.
Phenology of Flowering Time and Flowering Duration of Cucumber Plants in Padang and Kamang Magek Pebriyeni, Silvi; Vauzia, Vauzia; Anhar, Azwir; Kardiman, Reki
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8887

Abstract

Cucumber (Cucumis sativus L.) is a high-value horticultural crop widely used as fresh vegetables, processed food ingredients, and cosmetic products. In addition, cucumber contains important nutrients for health, such as vitamin C, vitamin K, and various essential minerals. As a plant with many benefits, cucumber is greatly influenced by climatic conditions, which can directly affect productivity and harvest quality. Based on this, a study on the phenology of cucumber plants under two different climatic conditions was conducted. This study used an experimental method involving 20 cucumber plants, with two location treatments and two replications. The observed parameters included the time of flower emergence and flowering duration. The study was conducted from September to December 2024 at two locations, Kamang Magek and Padang. The data were analyzed using a t-test with a significance level of 5%. The results of the study showed significant phenological differences between cucumber plants grown in Kamang Magek and Padang. Plants in Kamang Magek went through generative phases earlier, marked by earlier flower emergence, which occurred on day 25.4 after planting, compared to day 29.45 in Padang. The flowering duration in Kamang Magek was also shorter, lasting 7.9 days, compared to 10.55 days in Padang. These findings indicate that differences in climatic conditions between the two locations have a significant impact on the phenological development of cucumber plants.
Ethnobotanical Study in the Sianok Canyon Community Agam Regency West Sumatra Nazhifah, Naura; Kardiman, Reki; Chatri, Moralita; Vauzia, Vauzia; Roza, Sri Yenica
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8900

Abstract

Ethnobotany describes the direct relationship between humans and plants in traditional use. Ethnobotany has various uses for people with plants, including food, medicine, tools, infrastructure, culture, and small and medium industries in everyday life. This study aims to examine the use of plants in the daily lives of the people of Nagari Sianok, Agam Regency, West Sumatra, through an ethnobotanical approach. The research method used is descriptive qualitative, with data collection techniques through interviews, field observations, and documentation. The results of the study showed that the people of Nagari Sianok utilize 55 plant species from 33 families for various needs, including as cooking spices, traditional medicines, building materials, tools, and customary needs and small household industries. The Zingiberaceae family is the most widely used, followed by Solanaceae, Euphorbiaceae, and Amaryllidaceae. The parts of the plant used include leaves (34.3%), tubers (29.6%), stems (19.1%), fruits (13.3%), flowers (2.2%), and seeds (1.4%). The main sources of raw materials come from markets (68.2%), home gardens (22.9%), and gardens (8.3%). The most widely used species are Curcuma longa (Linn.), Zingiber officinale Roscoe, and Alpinia galanga, which are used as spices and traditional medicines. These results indicate that the people of Nagari Sianok have rich ethnobotanical knowledge and still maintain local wisdom in utilizing plants.
Phenology of Flowering Time and Flowering Duration of Tomato Plants (Solanum lycopersicum L.) in Kamang Magek District and Padang City Azizah, Salum; Vauzia, Vauzia; Chatri, Moralita; Putri, Irma Leilani Eka
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v25i2.8901

Abstract

Tomato (Solanum lycopersicum L.) is one of the horticultural commodities with high economic value whose growth is greatly influenced by environmental conditions. This study aims to examine the phenology of tomato plants, including the time of flowering and flowering duration in different environmental conditions as a basis for developing more effective cultivation techniques. The study was conducted in two locations, namely Kamang Magek District and Padang City, with 20 replications per location. Phenology observations were carried out on the time of flowering and flowering duration of tomato plants, and the data obtained were analyzed using the t-test at a significance level of 5%. The results showed a significant difference between the two locations, where the average time of flowering in Kamang Magek District was 38.5 days after planting (DAP) with a flowering duration of 10.85 days, while in Padang City the time of flowering occurred at 75.8 DAP with a flowering duration of 30.3 days. This difference indicates that environmental conditions in Kamang Magek District are more supportive of accelerating the flowering phase with a shorter flowering cycle.
The Application of Nanotechnology-Based Liquid Organic Fertilizer for Improving the Quality of Hydroponically Grown Vegetables Fevria, Resti; Razak, Abdul; Vauzia, Vauzia; Putri, Santi Diana; Annisa, Silvy
Journal of Applied Agricultural Science and Technology Vol. 9 No. 3 (2025): Journal of Applied Agricultural Science and Technology
Publisher : Green Engineering Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55043/jaast.v9i3.398

Abstract

Hydroponics, a farming technique using nutrient-enriched water, has been widely practiced due to its suitability for limited agricultural land. One of the key factors affecting hydroponic efficiency is the nutrient blend, with AB Mix and liquid organic fertilizer playing a crucial role. This study aims to evaluate the potential of nanotechnology-based nutrient solution in hydroponic to enhance nutrient absorption and improve plant growth in different vegetable species. Five vegetable species, which include red lettuce, red spinach, green spinach, pakcoy, and kailan, were selected to assess the interaction between nutrient composition and vegetable species. A study with factorial design was conducted using a randomized complete block design (RCBD). The primary factor was the fertilizer composition and the secondary factor was the type of vegetable. The treatments consisted of Control (Well water + AB Mix), P1 (Nanotechnology water + 100% AB Mix), P2 (Nanotechnology water + 25% nanotechnology liquid organic fertilizer + 75% AB Mix), P3 (Nanotechnology water + 50% nanotechnology liquid organic fertilizer + 50% AB Mix), P4 (Nanotechnology water + 75% nanotechnology liquid organic fertilizer + 25% AB Mix), and P5 (Nanotechnology water + 100% nanotechnology liquid organic fertilizer). Growth parameters measured included plant height, fresh weight, dry weight, number of leaves, and leaf area. Data were evaluated using a two-way ANOVA to assess the effects of fertilizer composition and vegetable type, followed by a 5% DMRT test for mean comparison. The findings indicated that the use of liquid organic fertilizer technology influenced plant growth. The most optimal average growth was recorded in the P2 treatment (a combination of nanotechnology water, 25% nanotechnology liquid organic fertilizer, and 75% AB Mix), while the least favorable result was observed in P5 (nanotechnology water combined with 100% nanotechnology liquid organic fertilizer).
The Effect of Giving Trichoderma asperellum on Rice Plant Height in Organic and Inorganic Cultivation Putri, Lidya Eka; Anhar, Azwir; Violita, Violita; Vauzia, Vauzia
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2.6736

Abstract

The agricultural sector cannot be separated from the role of inorganic fertilizers to support plant growth, as is the case with rice cultivation. Farmers' dependence on using inorganic fertilizers has led to decreased soil fertility and damage to natural resources. One way to overcome this is to implement organic farming. Organic cultivation in this research uses the SRI (System of Rice Intensification) method, while inorganic cultivation follows conventional methods from local communities. The aim of the research was to determine the effect of giving Trichoderma asperellum on rice plant height in organic and inorganic cultivation. The research was carried out in September-December 2022 in Jorong Galo gandang, Nagari III Koto, Tanah Datar Regency, Biological Research Laboratory, and Plant Physiology Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, Padang State University. This type of research is experimental. The research was structured using a Randomized Block Design, with 4 treatments, namely; O (Organic) OT (Organic + Trichoderma asperellum), A (Inorganic), AT (Inorganic + Trichoderma asperellum) and 5 repetitions. Observational data was analyzed by analysis of variance (ANOVA) using the SPSS application. If there are differences, continue with the DNMRT test (Duncan's New Multiple Range Test). The results showed that giving Trichoderma asperellum had no significant effect on rice plant height in organic and inorganic cultivation. Because the high rainfall at the research location caused the nutrients from each experimental plot to be washed away by the water.
Study of The Distribution of Amorphophallus beccarii Engl in The Hiking Trail of Mount Singgalang Nature Park Hayati, Rifda; Vauzia, Vauzia
Jurnal Biologi Tropis Vol. 24 No. 2 (2024): April - Juni
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v24i2.6816

Abstract

Amorphophallus beccarii is one of the endemic plant of Sumatra, which has the characteristic of compound flowers, and emits a pungent odour that can attract insects such as flies and beetles to pollinate. Amorphophallu beccarii is found growing around the hiking trail of Mount Singgalang Nature Tourism Park, in connection with Mount Singgalang has been used as a Nature Tourism Park, it is feared that it will cause disruption of Amorphophallus beccarii habitat, in addition to the many human activities that carry out climbing activities, its interesting morphological shape is also the reason for the reduced population of Amorphophallus beccarii because it is collected as an ornamental plant. In conservation efforts, research has been carried out on Amorphophallus beccarii Engl Distribution Study in the Mount Singgalang Nature Tourism Park Hiking Trail. This research was conducted in February-March 2024. The research method used was stratified random sampling where sampling was carried out at an altitude of 1000-2000 mdpl along the hiking trail. Data were processed using the morisita index. The results showed that the distribution pattern of Amorphophallus beccarii on the Mount Singgalang hiking trail was clustered.
Co-Authors Abdul Razak Achyar, Afifatul Afrilisia, Lora Akhirman, Akhirman Alqaramah, Rachel Amri, Afdhal Anizam Zein Annisa, Silvy Arianti, Riri Putri Atifah, Yusni Azizah, Salum Azwir Anhar Despitri, Era Dezi Handayani Dwi Hilda Putri Edwin Edwin Ferdyan, Rhavy Fevria, Resti Fevria, Resti - Frona, Wike Samira Harianja, Loly Marlina Hayati, Rifda Kardiman, Reki Megawati - Meivinia, Alifda Putri Moralita Chatri Naldi, Henra Nazhifah, Naura Oktaviani, Mutia Pebriyeni, Silvi Prameswari, Nola Putri Oktavia Putri, Irma Leilani Eka Putri, Lidya Eka Putri, Resti Hidayati Putri, Santi Diana Putri, Ulfa Dwi Putri, Wulan Nuzulia Rizki, Chintya Roni Jarlis Roza, Sri Yenica S, Rayhanna Fadillah Sania, Hani Santosa, Tomi Apra Satria, Rijal Sholichin, Muhamad Sri Mutiar, Sri Sulman, Gina Sunarsan, Debra Fortuna Tazri, Mufidah Insani Violita Violita Yulkifli Yulkifli Yunita, Aulia zahrani, Arum Zulyusri Zulyusri