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All Journal Jurnal Pertanian Agros Jurnal Agrotek Lestari
Vina Maulidia
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Agriculture, Biological Sciences & Forestry

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INVENTARISASI HAMA ULAT KANTUNG DAN PARASITOID DI PERKEBUNAN KELAPA SAWIT PT. KARYA TANAH SUBUR (KTS) ACEH BARAT Chairudin Chairudin; Rini Aprilna; Sumeinika Fitria Lizmah; Agustinur Agustinur; Vina Maulidia
Agros Journal of Agriculture Science Vol 26, No 2 (2024): Edisi Juli
Publisher : Fakultas Pertanian, Universitas Janabadra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37159/jpa.v26i2.4131

Abstract

Bagworms are one of the important pests in oil palm cultivation. Bagworm causes holes in oil palm leaves, slits and even dry out, which can cause damage and reduce productivity. Conventional control of bagworm pests using insecticides has been proven to cause long-term losses, so more environmentally friendly control is needed by using parasitoids. This research aims to inventory bagworm pests and parasitoids in oil palm plantations which have the potential to be developed for ecosystem-based pest control purposes. Sampling in this research was carried out at PT Karya Tanah Subur oil palm plantation, West Aceh. The analysis was carried out by calculating the diversity and evenness of pest and parasitoid types. From the research results, 4 types of bagworms were obtained, identified as Metisa plana, Mahasena corbetti, Clania sp. and Cremastopsyche pendula. Of the 4 types of bagworms, the more dominant ones are Metisa plana and Mahasena corbetti. Meanwhile, there are also 4 types of parasitoids found, identified as Diadegma sp., Dirhinus sp., Paraphylax varius and Telenomus sp.
Inventarisasi Dan Identifikasi Penyakit Pada Tanaman Cabai (Capsicum annum L.) Di Desa Ujong Tanjong Kabupaten Aceh Barat Agustinur Agustinur; Marwiah Marwiah; Chairudin Chairudin; Vina Maulidia; Siti Aminah
Jurnal Agrotek Lestari Vol 12, No 1 (2026): April
Publisher : Universitas Teuku Umar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35308/jal.v12i1.15125

Abstract

Red chili (Capsicum annuum L.) is a strategic commodity whose productivity is often hindered by pathogen attacks. This study aims to inventory the types of diseases and characterize the pathogens based on morphology and damage symptoms in Ujong Tanjong Village, West Aceh Regency. The research was conducted using a survey method with a purposive sampling technique for field observations, followed by laboratory characterization including pathogen isolation on Potato Dextrose Agar (PDA) and confirmation via Koch’s Postulates. The results identified four major diseases: Fusarium wilt, leaf spot (Cercospora sp.), fruit rot (anthracnose), and chili leaf curl virus (CLCV). Fusarium wilt was found to be the most dominant threat, with the highest disease incidence of 34.13% and a severity index of 12.23%. Morphological characterization of the isolates showed distinct features consistent with field symptoms, including the presence of pink conidial masses in the anthracnose isolates. Koch’s Postulates validated all isolates as the causal agents with high virulence, where clinical symptoms emerged within 14–21 days post-inoculation. In conclusion, soil-borne pathogens are the primary biotic constraint in the coastal areas of West Aceh, exacerbated by microclimatic conditions with high humidity. The implications of this study highlight the urgency of implementing integrated disease management, particularly the use of biological control agents and farmer education on field sanitation techniques, to prevent further yield loss and maintain regional chili production stability.Keywords: West Aceh, Red Chili, Disease Inventory, Fusarium Wilt, Koch’s Postulates.
Co-Authors Agustinur, Agustinur Chairudin Chairudin Chairudin Chairudin Lizmah, Sumeinika Fitria Marwiah Marwiah Rini Aprilna SITI AMINAH