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Irma Leilani Eka Putri
State University of Padang
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FENOLOGI SEMANGKA (CITRULLUS LANATUS (THUNB.)) PADA KONDISI LINGKUNGAN YANG BERBEDA Karisa Ivana; Vauzia; Irma Leilani Eka Putri
Jurnal Biogenerasi Vol. 11 No. 3 (2026): Juli - September 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/4tkvhg58

Abstract

Watermelon (Citrullus lanatus (Thunb.)) is a horticultural crop with high economic value with a water content of up to 92% and is rich in vitamins A, E, and antioxidants. Watermelon is highly dependent on environmental conditions to grow well. Good environmental conditions certainly affect watermelon productivity. In order to develop watermelon cultivation efforts, it is necessary to conduct biological studies of watermelon, one of which is regarding the phenology of watermelon (Citrullus lanatus (Thunb.)) under different environmental conditions. This study was conducted from November 2025 to February 2026 in two locations, namely Bayang District, Pesisir Selatan Regency and Sangir District, Solok Selatan Regency with observation samples at each location of 20 replications. The parameters observed included flower emergence time, flowering duration, fruit emergence time, and fruiting duration at each location. Data were analyzed using a t-test with a significance level of 5%. The results of the study showed that there were differences in watermelon phenology from all aspects of observation, namely flower emergence time, flowering duration, fruit emergence time, and fruiting duration in the two research locations, where in Bayang District the average flower emergence time was 28.7 days after planting (DAP), flowering duration was 16.35 days, fruit emergence time was 45.05 DAP, fruiting duration was 39.5 days. In Sangir District the average flower emergence time was 19.2 DAP, flowering duration was 19.2 days, fruit emergence time was 35.3 days, and fruiting duration was 32.65 days.
PENGARUH MEDIA TANAM SERBUK GERGAJI DAN COCOPEAT TERHADAP PERTUMBUHAN DAUN PADA PENCANGKOKAN TANAMAN MAHKOTA DEWA (Phaleria macrocarpa (Scheff.) Boerl.) Suci Syafputri; Vauzia; Irma Leilani Eka Putri; Filza Yulina Ade
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/g6a7z493

Abstract

The mahkota dewa plant (Phaleria macrocarpa (Scheff.) Boerl.) plant is a medicinal plant with high economic and pharmacological value, so effective propagation techniques are needed to increase its production. One method used is grafting, the success of which is influenced by the planting medium. Based on this, a study was conducted on the effect of sawdust and cocopeat growing media on leaf growth in grafting crown of the gods plant. The study was conducted in January 2026 in the Lubuk Minturun area of ​​Padang City. This study used a Completely Randomized Design (CRD) with three treatments: soil (P0), sawdust (P1), and cocopeat (P2), each with six replications, resulting in 18 experimental units. Observed parameters included leaf number and leaf dry weight. Data were analyzed using analysis of variance (ANOVA). The results showed that the planting medium used had no significant effect on leaf number or dry weight.
ANALISIS VEGETASI DI KAWASAN HUTAN NAGARI SIMPANG KAPUAK KECAMATAN MUNGKA KABUPATEN LIMA PULUH KOTA SUMATERA BARAT Atikah R; Irma Leilani Eka Putri; Reki Kardiman; Filza Yulina Ade
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/pbcq3z65

Abstract

The Simpang Kapuak Village Forest, located in Mungka Subdistrict, Lima Puluh Kota Regency, is a forest area that plays a role in maintaining environmental balance and supporting the livelihoods of the surrounding communities. This area possesses a high level of biodiversity, making the structure of its forest community a valuable starting point for long-term management and conservation. Therefore, it is important to understand the structure and composition of the vegetation in the Simpang Kapuak Village Forest, Mungka Subdistrict, Lima Puluh Kota Regency. This study is a quantitative descriptive study. The was conducted in the Simpang Kapuak Village Forest, Mungka Subdistrict, Lima Puluh Kota Regency. Data collection was carried out using the single-plot method across 5 plots. Each plot consists of 4 subplots corresponding to the stand size, namely 2 x 2 m (seedlings), 5 x 5 m (saplings), 10 x 10 m (mature trees), and 20 x 20 m (large trees). The research data were analyzed to determine the Importance Value Index (IVI) of the species. The results of the study indicate that there are 27 species belonging to 16 families. The highest Importance Value Index (IVI) was recorded for Syzygium chloranthum at the tree level (134.25%), followed by Litsea grandis at the pole level (144.92%), Syzygium chloranthum at the sapling level (82.97%), and Synedrella nodiflora at the seedling level (32.02%).
ANALISIS STRUKTUR DAN KOMPOSISI VEGETASI PADA HUTAN KELOLA MASYARAKATAN (HKM) HARAPAN JAYA BATU AMPAR, NAGARI PANTI, KECAMATAN PANTI, KABUPATEN PASAMAN TIMUR, SUMATRA BARAT Tiara Dwi Ananda; Irma Leilani Eka Putri; Reki Kardiman; Filza Yulina Ade; Azwir Anhar; Ryan Thanoesya; Bayu Riangga Hanafi
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/wnjzjz31

Abstract

Vegetation structure refers to the stratification of plant growth stages within an ecosystem, which are generally classified into seedling, sapling, pole, and tree levels. Analysis of plant composition aims to identify plant species present in a forest area. This study aimed to determine the vegetation structure and plant composition in the Community Forest Management (HKM) area of Harapan Jaya Batu Ampar, Nagari Panti, Panti District, East Pasaman Regency, West Sumatra. The research employed a nested quadrat method with plots placed randomly, consisting of 10 plots adjusted to the field conditions at the study site. The results showed that the 2 × 2 m and 5 × 5 m plots were dominated by the family Rubiaceae, with Coffea robusta as the most abundant species. The 10 × 10 m plots were dominated by the family Lauraceae, with Litsea sp. as the dominant species. Meanwhile, the 20 × 20 m plots were dominated by the family Fagaceae, with Lithocarpus elegans recorded as the main species. These findings provide preliminary data for understanding the vegetation structure in the Community Forest Management (HKM) area of Harapan Jaya Batu Ampar, Nagari Panti, Panti District, East Pasaman Regency, West Sumatra
Respon Pertumbuhan Vegetatif Tanaman Padi (Oryza sativa L.) terhadap Aplikasi Kombinasi EM4 dan Trichoderma sp. Anisa tismardi; Filza Yulina Ade; Irma Leilani Eka Putri; Violita
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/hr2s7586

Abstract

Rice (Oryza sativa L.) plays a crucial role as a primary food source in Indonesia, and efforts to improve its growth need to be directed toward sustainable cultivation systems. The use of soil microorganisms, such as Effective Microorganisms-4 (EM4) and Trichoderma sp., is a widely studied alternative due to its ability to improve the condition of other microorganisms obtained from the soil around the roots and support plant growth. This study was conducted to determine the effect of a combination of EM4 and Trichoderma sp. on the vegetative growth of rice plants. The study was conducted from December to February 2026 in Pagambiran Ampalu Village, Lubuk Begalung District, using a completely randomized design (CRD) with six treatments and four replications. Observed parameters included plant height, number of leaves, number of tillers, and plant dry weight. Data were analyzed using analysis of variance (ANOVA) followed by Duncan's test at a 5% significance level. The results showed that the combination of EM4 and Trichoderma sp. improved several
Status Permudaan Alami Hutan Mangrove di Teluk Buo Bungus Kota Padang Nadila Safitri; Irma Leilani Eka Putri; Vauzia; Filza Yulina Ade
Jurnal Biogenerasi Vol. 11 No. 2 (2026): April - Juni 2026
Publisher : Universitas Cokroaminoto Palopo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30605/8kzxcf45

Abstract

Mangrove forests are important coastal ecosystems that function as shoreline protectors, carbon sinks, and habitats for many aquatic organisms. In Teluk Buo, Bungus, Padang City, mangrove stands have experienced pressure from land conversion and human activities, so information on natural regeneration is needed to support management efforts. This study aimed to determine the natural regeneration status of mangroves in Teluk Buo based on species density values. The study used a descriptive quantitative method with a plot sampling approach at three observation stations, each consisting of three plots selected by purposive sampling. Observation plots of 10 x 10 m were used for trees, 5 x 5 m for saplings, and 2 x 2 m for seedlings. Data were analyzed using species density and regeneration status criteria according to Shankar (2001). The results showed that two mangrove species were found, namely Rhizophora apiculata and Bruguiera gymnorrhiza. Station 1 had a seedling density of 75, sapling density of 12, and tree density of 26.33, indicating a sufficient regeneration status. Station 2 had a seedling density of 144, sapling density of 24, and tree density of 5.67, while Station 3 had a seedling density of 122, sapling density of 17.33, and tree density of 8.33; both stations indicated good regeneration status. Rhizophora apiculata was the dominant species at all growth levels, whereas Bruguiera gymnorrhiza showed limited regeneration. In general, natural regeneration of mangroves in Teluk Buo was classified as good to sufficient, with regeneration being more strongly supported by Rhizophora apiculata.
Co-Authors Anisa tismardi Atikah R Azwir Anhar Bayu Riangga Hanafi Filza Yulina Ade Karisa Ivana Nadila Safitri Reki Kardiman Ryan Thanoesya Suci Syafputri Tiara Dwi Ananda Vauzia Violita