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Jurnal Agro Wiralodra
Published by Universitas Wiralodra
ISSN : 25976702     EISSN : 26222272     DOI : -
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology
Jurnal Agro Wiralodra adalah media komunikasi, informasi, edukasi dan pembahasan masalah yang berkaitan dengan teknologi terapan dalam bidang Agroteknologi dengan tema Agronomi, Ilmu Tanah, Pemuliaan Tanaman dan Hama & Penyakit Tanaman. Diterbitkan setiap 6 (enam) bulan pada bulan Januari dan Juli. Jurnal Agro Wiralodra diterbitkan oleh Program Studi Agroteknologi Fakultas Pertanian Universitas Wiralodra.
Arjuna Subject : -
Articles 124 Documents
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Efficacy of Nano-Encapsulated Citronella Essential Oil Against Anthracnose on Bird’s Eye Chili (Colletotrichum spp.) Utami, Dian; Wicaksono, Danar
Jurnal Agro Wiralodra Vol. 9 No. 1 (2026): Jurnal Agro Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/agrowiralodra.v9i1.159

Abstract

Anthracnose caused by Colletotrichum spp. leads to significant losses in bird’s eye chili (Capsicum frutescens L.) production, including reduced fruit quality, lower yield, and increased production costs. Although synthetic pesticides are widely used for disease management, their prolonged application raises concerns regarding environmental sustainability and food safety. This study aimed to evaluate the antifungal potential of citronella essential oil, in both free and nano-encapsulated forms, against Colletotrichum spp. Compared to the previous studies, this work uniquely evaluates and compares nano-encapsulated and non-encapsulated citronella essential oil against anthracnose in bird’s eye chili. The experiment was arranged in a Completely Randomized Design (CRD) with treatments consisting of citronella essential oil at concentrations of 0.125% and 0.063%, either encapsulated or non-encapsulated, tested under in vivo and in vitro conditions. Parameters observed were incubation period, disease intensity, inhibition percentage, colony appearance, and hyphal morphology. Data were analyzed using ANOVA at a 5% significance level, followed by Duncan’s Multiple Range Test (DMRT) when significant differences were detected. Application of 0.125% citronella essential oil effectively delayed incubation (6.05 DAI), resulting in a disease intensity of 45%, and achieved the highest in vitro inhibition (92.21%) until 10 DAI, outperforming Propineb 70 WP and other treatments. Colony morphology remained generally similar, but notable differences in hyphal fate were observed, including lysis, shrinkage, curling, and unbranched growth. These findings indicate that citronella essential oil is a promising natural candidate to reduce reliance on Propineb 70 WP. However, further field-scale evaluations are needed.
Pengujian Efektivitas Bacillus thuringiensis terhadap Aspek Morfologi) serta Perkembangan Spodoptera frugiperda (Lepidoptera: Noctuidae) dalam Kondisi Laboratorium Ria, Elly Roosma; Sugiarti, Lia; Putri, Resti Dwi; Samantha, Yuliana; Nursafa, Zahra
Jurnal Agro Wiralodra Vol. 9 No. 1 (2026): Jurnal Agro Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/agrowiralodra.v9i1.162

Abstract

Spodoptera frugiperda is a newly emerging pest species attacking maize crops by damaging the plant whorl, thereby disrupting the growth point of the plant. The use of biological control agents, particularly the bioinsecticide Bacillus thuringiensis, represents one of the alternative strategies to manage S. frugiperda infestations. This study aimed to investigate the morphological characteristics and developmental changes of S. frugiperda following the application of the bioinsecticide B. thuringiensis. The experiment was conducted at the Basic Laboratory, Faculty of Agriculture, Winaya Mukti University, from August to September 2023. The experimental design employed a Completely Randomized Design (CRD) consisting of five treatments with six replications. The concentrations of the B. thuringiensis bioinsecticide were as follows: A = 0.00 g/L of water (control); B = 0.125 g/L of water; C = 0.25 g/L of water; D = 0.50 g/L of water; and E = 1.00 g/L of water. The results showed that the concentration of B. thuringiensis at 1.00 g/L significantly affected the morphology and development of S. frugiperda, as indicated by increased feed consumption loss, average larval weight, larval length, head capsule width, and larval mortality, which reached up to 90.00%. In addition, this concentration significantly influenced the percentage of pupae formation and the percentage of adult emergence.
Identifikasi Arthropoda dan Intensitas Serangan Penyakit pada Tomat (Solanum lycopersicum L.) Pewiwilan Kurniawan, Irvan; Amara, Khansa; Simanjuntak, Rich Gemilang; Nugroho, R. Muhammad Yusuf Adi Pujo; Ramadhan, Bahrul Rizki
Jurnal Agro Wiralodra Vol. 9 No. 1 (2026): Jurnal Agro Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/agrowiralodra.v9i1.164

Abstract

Tomatoes (Solanum lycopersicum) are a horticultural commodity with high economic value and are widely cultivated in Indonesia. However, tomato productivity is often limited by pest and disease attacks. This study aims to identify insect species and analyze the intensity of diseases that attack tomato plants. The research methodology used was quantitative descriptive research involving two main components, namely identification in the laboratory and direct observation in the field. The research findings showed that there were four types of arthropods with various roles in the tomato ecosystem, namely Spiders (Lycosa sp.) classified as Natural Enemies; Ants (Odontoponera sp.) classified as Predators; Grasshoppers (Oxya chinensis) classified as Pests; Moths (Order lepidoptera) classified as Pests. In addition to pests, brown spot disease (Alternaria solani) was also found. The results of observations of the intensity of disease attacks showed differences in each treatment, the intensity of disease attacks was highest in the treatment without mulch and suckering compared to other treatments.
Variasi Jenis dan Ketebalan Mulsa Organik terhadap Pertumbuhan dan Hasil Tanaman Tomat (Solanum lycopersicum) Lestari, Sri Utami; Abidin, Zainal; Susi, Neng; Ibrahim, Roy; Alhaviz, Alhaviz; Pratiwi, Erviana Eka
Jurnal Agro Wiralodra Vol. 9 No. 1 (2026): Jurnal Agro Wiralodra
Publisher : Universitas Wiralodra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31943/agrowiralodra.v9i1.167

Abstract

Riau Province has significant potential for tomato production, with harvested area increasing from 44 ha (2021) to 45 ha (2022) and productivity reaching 4.48 tons/ha. However, weed competition is a major obstacle to yield optimization. This study aimed to evaluate the effectiveness of the interaction of palm kernel shell mulch and rice husk mulch in suppressing weeds and increasing tomato yields. The method used was a Completely Randomized Design (CRD) experiment, involving two factors: palm kernel shell mulch thickness (0 cm, 2 cm, 4 cm) and rice husk mulch thickness (0 cm, 0.75 cm, 1.5 cm), each replicated three times. Observation parameters included plant height, stem diameter, number of productive branches, fruit weight per plant, total harvested fruit, and wet and dry weed weight. The results showed that the combination of 4 cm palm shell mulch and 1.5 cm rice husk (C2S2) provided the best results, including the highest plant height (67.67 cm), the highest fruit weight per plant (1,175.10 g), the highest number of fruits (31.33 fruits), and the lowest dry weight of weeds (41.67 g). The interaction of the two mulch types significantly affected plant growth and weed suppression, although not significantly for some parameters such as stem diameter and number of productive branches. Organic mulch also helped improve soil structure, reduce water evaporation, and provide additional nutrients for plants.

Page 13 of 13 | Total Record : 124

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