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All Journal Jurnal Pembelajaran dan Biologi Nukleus Jurnal Mahasiswa Agribisnis
Siti Aminah
Teuku Umar University
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media

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Potential Essential Oil Local Medicine Plant From West Aceh As Repellency Against Rice Weevils (Sitophilus oryzae) Oviana Lisa; Sumeinika Fitria Lizmah; Siti Aminah; Putri Mustika Sari
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 12, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2026
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v12i1.8439

Abstract

Background: The Increased rice production will cause pest problems in storage warehouses. This pest attack can damage rice and reduce quality. The longer and thicker the stack of rice, the greater the number of rice weevil pests will appear and affect the quantity and quality of the rice itself. To overcome this problem, natural control can be carried out using medical plant as repellent so as not to damage the environment or the quality of stored rice. Based on the active compounds found in lime leaves, citronella, and marigold’s leaves, research is needed to determine the repellent activity of essential oils from citronella, lime, and marigold’s leaves against rice weevil (S. oryzae).  Methodology: The method used in this research is a factorial Completely Randomized Design (CRD) experimental method with two factors and three replications. The implementation of the research was consists of Sitophilus oryzae Test Pest Propagation, Medicinal Plant Sample Preparation, Essential Oil Repellent Activity Test Using Rice, and Data Analysis using Two-Ways ANOVA with Post-hoc Tukey HSD 5%. Results: The result showed that the concentration of essential oils from Marigold, lime, and citronella leaves affected the percentage of rice weevil repellent. At a concentration of 100%, the essential oil extracted from marigold leaves exhibited lower repellent activity (90%) compared to the essential oil derived from lime leaves (94%) and citronella leaves (92%). On the other hand, the duration of the observation period did not significantly affect the repellency activity of essential oils derived from lime leaves, citronella leaves, or marigold leaves. The concentration of essential oils from Marigold, lime and citronella leaves on the best percentage of rice weevil repellent was 100% with the repellency percentage above 90%. Contributions: These findings indicated that essential oils derived from these medical plants have potential as environtmentally friendly repellents for controlling rice weevil infestations in stored rice
THE INFLUENCE OF CAPITAL, SEEDLINGS, LAND AREA, AND LABOR ON RUBBER PLANT PRODUCTION IN WEST WOYLA DISTRICT Yulia Windi Tanjung; Nafa Rahmalia; Rony Rahmat Hidayat Hasibuan; Fantashir Awwal Fuqara; Hartini; Siti Aminah
Jurnal Mahasiswa Agribisnis Vol. 5 No. 1 (2026): July
Publisher : LPPM Universitas Malikussaleh - Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29103/jma.v5i1.27062

Abstract

Inadequate capital, poor-quality seedlings, a lack of land area, and a shortage of trained labour for managing rubber plantations are the primary issues facing rubber growers in the West Woyla District. This research aims to analyze the influence of capital, seedlings, land area, and labor on rubber plant production in West Woyla District. The research method used is a quantitative descriptive method. The sampling method used is the Slovin formula, resulting in 97 rubber farmers. Data collection was conducted thru interviews using questionnaires, observations, and documentation. The data analysis method uses Multiple Linear Regression analysis as well as T-test and F-test using SPSS 20 software. The R Square value of 0.702 indicates that 70.2% of rubber production in West Woyla Regency is explained by Capital, Land Area, Seeds, and Labor, while the remaining 29.8% is influenced by other factors. Simultaneously, these variables have a significant effect on production, as shown by the calculated F value (54.233) being greater than the F table value (2.470). Partially, Capital (0.025), Land (0.000), Seedlings (0.004), and Labor (0.005) all have significance values below 0.05 with positive coefficients, each variable has a positive and significant effect on production. Keywords: Capital, Labor, Land Area, Rubber Plant Production, Seedlings.
Co-Authors Fantashir Awwal Fuqara Hartini Nafa Rahmalia Oviana Lisa Rony Rahmat Hidayat Hasibuan Sari, Putri Mustika Sumeinika Fitria Lizmah Tanjung, Yulia Windi