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All Journal Jurnal Fitopatologi Indonesia AGRITROPICA : Journal of Agricultural Sciences Dharma Raflesia : Jurnal Ilmiah Pengembangan dan Penerapan IPTEKS
Hamidi, Ilmi
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Agriculture, Biological Sciences & Forestry Humanities Education Medicine & Pharmacology Social Sciences Other

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Meloidogyne species, the pimple-like knot pathogen of potato tuber in three production centers in Sumatra Hamidi, Ilmi; Supramana; Mutaqin, Kikin Hamzah; Kurniawati, Fitrianingrum
Jurnal Fitopatologi Indonesia Vol 18 No 2 (2022): Maret 2022
Publisher : The Indonesian Phytopathological Society (Perhimpunan Fitopatologi Indonesia)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14692/jfi.18.2.66-74

Abstract

Meloidogyne species, the pimple-like knot pathogen of potato tuber in three production centers in SumatraThe root-knot nematode (Meloidogyne spp.) is the cause of pimple-like swelling symptoms, which results in a decrease in the quality and quantity of potato production in the Sumatra region. Identification of the Meloidogyne species is necessary for designing its effective control strategies. This study aimed to detect and identify Meloidogyne species in potatoes morphologically, morphometry, and molecularly. Potato tubers with pimple-like swelling symptoms, tuber shape malformations, uneven tuber surface, and corrugated tuber surface were collected from 3 potato production centers in Sumatra, i.e., Karo (North Sumatra), Solok (West Sumatra), and Kerinci (Jambi). Nematode extraction was conducted by a surgical technique of spotted tuber tissue. Morphological identification was conducted based on the perineal patterns of females. Morphometric measurements were carried out on juvenile 2 based on the de Man formula. Molecular identification was conducted by PCR technique, followed by nucleotide sequencing and phylogenetic analysis. Three species of Meloidogyne identified were Meloidogyne arenaria, M. incognita, and M. javanica. DNA amplification using a CO1-specific primer successfully amplified DNA bands of ±360 bp for M. arenaria, ±326 bp for M. incognita, and ±170 bp for M. javanica. The sequencing results showed that M. incognita isolates from Karo-Indonesia were very closely related to M. incognita isolates from China, the United States, Vietnam, the United Kingdom, Brazil, and South Africa. M. javanica isolates from Solok-Indonesia were very closely related to M. javanica from the United States, Africa, China, Germany, and the United Kingdom.
Tingkat Pengetahuan Dan Keterampilan Petani Tentang Tanaman Refugia Dan Musuh Alami Hama Padi di Desa Sumber Agung, Bengkulu Utara Hamidi, Ilmi; Djamilah; Sutrawati, Mimi; Zarkani, Agustin; Sitohang, Enjelina Br
DHARMA RAFLESIA Vol 22 No 2 (2024): DESEMBER (ACCREDITED SINTA 5)
Publisher : Universitas Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33369/dr.v22i2.38363

Abstract

Penggunaan pestisida kimia yang berlebihan dalam pengendalian hama padi di Desa Sumber Agung, Bengkulu Utara, telah menimbulkan dampak negatif terhadap lingkungan dan kesehatan. Oleh karena itu, diperlukan pendekatan ramah lingkungan, seperti pemanfaatan tanaman refugia dan musuh alami, untuk mendukung keberlanjutan pertanian padi. Program pengabdian masyarakat ini bertujuan meningkatkan pengetahuan dan keterampilan petani tentang manfaat tanaman refugia dan peran musuh alami dalam pengendalian hama. Metode kegiatan meliputi observasi, pelaksanaan pelatihan interaktif, dan evaluasi menggunakan pre-test dan post-test. Hasil menunjukkan peningkatan skor rata-rata pengetahuan petani tentang tanaman refugia dari 1,50 menjadi 3,00, peran musuh alami dari 1,70 menjadi 3,60, dan keterampilan diagnostik hama padi dari 1,70 menjadi 3,20. Pelatihan ini berhasil meningkatkan pemahaman petani terkait teknik pengelolaan hama berbasis ekologi yang mengurangi ketergantungan pada pestisida kimia. Edukasi lebih lanjut diharapkan dapat memperluas adopsi strategi pengendalian hayati untuk mendukung produktivitas dan kelestarian ekosistem pertanian di wilayah ini.
Diversity of Land Arthropods in Community Oil Palm Plantations in the Coastal Area of Bengkulu Fauzi, Ariffatchur; Zarkani, Agustin; Djamilah, Djamilah; Gustian, Deri; Hamidi, Ilmi; Ifebri, Rihan; Prastio, Turko
AGRITROPICA : Journal of Agricultural Sciences Vol. 8 No. 1 (2025)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/j.agritropica.8.1.33-42

Abstract

Bengkulu is one of the provinces located on the island of Sumatra, boasting a significant agricultural sector. One of the leading agrarian commodities in Bengkulu Province is oil palm. Oil palm in Bengkulu is planted in coastal areas. One of the key factors supporting oil palm fruit production is a healthy soil arthropod ecosystem. Soil arthropods play an essential role in the oil palm plantation ecosystem. As organisms that live in the soil, these animals help maintain soil and plant health, improving soil structure and nutrient availability for oil palm plants. This study aims to obtain initial data on the diversity of soil arthropods and their roles in smallholder oil palm plantations on the coast of Bengkulu. This study began with sampling oil palm plantations around the coast of Bengkulu. The areas that will be used as study locations include Sungai Suci, Danau Gedang, and Pekik Nyaring. Arthropod sampling was carried out by installing pitfall traps in both areas, which were determined diagonally in a ​​200 m² area, with 20 pitfall trap units per location. Arthropod species were identified based on morphology, and the type and number of populations were recorded. The Shannon-Wiener diversity index, dominance index, and evenness index measure analysis of biodiversity data. The results of the study showed that in the majority, the diversity of soil arthropods in the three sampling areas was moderate, the dominance of arthropod types was low to moderate, and evenness was moderate to high.
Co-Authors Agustin Zarkani Djamilah Djamilah Djamilah, Djamilah Fauzi, Ariffatchur Fitrianingrum Kurniawati, Fitrianingrum Gustian, Deri Ifebri, Rihan Kikin H Mutaqin Mimi Sutrawati Prastio, Turko Sitohang, Enjelina Br Supramana