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Yuni Ratna
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Serangga Predator pada Tanaman Padi di Desa Senaning dan Lubuk Ruso, Kecamatan Pemayung, Kabupaten Batanghari Anjani, Syifa Darma; Ratna, Yuni; Pebrianti, Herni Dwinta
Jurnal Ilmiah Universitas Batanghari Jambi Vol 25, No 2 (2025): Juli
Publisher : Universitas Batanghari Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jiubj.v25i2.6254

Abstract

This study aims to determine the population of predatory insects in rice cultivation in Senaning and Lubuk Ruso Villages, Batanghari Regency. Data collection was carried out 4 (four) times, namely when the rice plants were 7 and 21 days after planting (vegetative phase), and when the rice plants were 56 and 70 days after planting (generative phase) using yellow tray traps, pitfall traps, direct observation and swing nets. In each rice field, 10 sample plots were made with a size of 2 m x 2 m each, which were placed randomly. In each sample plot, 1 (one) yellow tray trap and 2 (two) pitfall traps were placed, then the traps were left for 24 hours in the field. The results showed that the total types of predatory insects in rice crops in Senaning Village consisted of 9 species and 126 individuals, while in Lubuk Ruso Village it consisted of 13 species and 95 individuals. The population of predatory insects is higher in rice cultivation with low pesticide application frequency, close planting distance and rice varieties with more tillers.
Komposisi Gulma Pada Perkebunan Kelapa Sawit (Elaeis guineensis Jacq.) Sebelum dan Setelah Dilakukan Pengendalian Secara Mekanik dan Kimia Ratna, Yuni; Pebrianti, Herni Dwinta; Swari, Elly Indra; Muryunika, Rince; Pardosi, Juan Rizki
Jurnal Media Pertanian Vol 10, No 2 (2025): Oktober
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v10i2.293

Abstract

The presence of weeds in oil palm plantations can reduce fresh fruit bunch production by up to 80%. The applied weed control techniques affect subsequent weed composition. The purpose of this study was to assess the weed composition in oil palm plantations before and after mechanical and chemical weed control. The study was conducted on immature oil palm plantations (TBM) covering an area of approximately 1 ha. Weed vegetation analysis used the quadrat method with a sample plot size of 20 m2 and a sub-sample plot size of 1 m2. The number of sample plots was 9 with 18 sub-sample plots each in the dead stile and disc. The variables observed consisted of the number of weed species, the summed dominance ratio (SDR), and the level of weed distribution. The results showed a shift in the number of weed species before and after mechanical control in the dead stile and chemical control in the disc. There were 34 weed species in the dead stile before cutting and 30 weed species after cutting, while in the disc there were 15 weed species before herbicide application and 10 weed species after herbicide application. There was no shift in weed species with high SDR before and after cutting in the dead stile, while there was a shift in weed species before and after herbicide application in the disc. Weed species with high distribution levels in the dead stile were the same before and after cutting, while in the disc there was a shift in weed species before and after herbicide application. The weed vegetation community was relatively homogeneous before and after cutting and herbicide application.
Karakteristik Morfologi dan Hasil Kedelai Edamame yang Diberi Eco-enzyme dan Pengendalian Gulma Berbeda di Lahan Tropis Soverda, Nerty; Swari, Elly Indra; Neliyati, Neliyati; Ratna, Yuni; Pebrianti, Herni Dwinta; Wahyuni, Dilla
Jurnal Media Pertanian Vol 9, No 1 (2024): April
Publisher : Universitas Batanghari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33087/jagro.v9i1.233

Abstract

Edamame soybeans are a variety of soybeans that act as leaf vegetables that are rich in protein, minerals and vitamins. Edamame soybean cultivation is not yet popular, even though the need and demand is quite large. Eco-enzymes are inputs that play an important role as natural hormones and provide nutrients for plants. Eco-enzyme is an organic product that goes through an anaerobic fermentation process. A decrease in the yield of cultivated plants can be caused by competition with weeds. Several general weed control options have been developed, but appropriate weed control options are needed to ensure production and ecological sustainability. Research was carried out at the Teaching and Research Farm (1°370'129" S, 103°312'0.501"), Faculty of Agriculture, Jambi University. The research started in January and ended in March 2023 using a split plot design, as the main plot was the concentration of eco-enzymes and the weed control method was chosen as the sub-plot. The eco-enzyme treatments specified were 0 ml L-1(e1), 10 ml L-1 (e2), and 20 ml L-1 (e3). Weed control treatment consists of 2 (two) weed control methods, namely uprooted and cutting off. The parameters observed were morphological growth (plant height, number of root nodules, leaf chlorophyll content, and flowering time) and yield potential (number of pods, number of filled pods, and fresh weight of pods). The results showed that the differences in eco-enzyme concentration and applied weed control were not significantly different on morphological parameters (plant height, number of root nodules, and chlorophyll content of edamame soybean leaves 5 WAP) and yield potential parameters (number of pods, number of filled pods, and wet weight pods) edamame soybeans 65 DAP. Weed control through uprooting was able to increase the number of pods (4.39%), the number of filled pods (5.08%), and the wet weight of the pods (9.57%).Key words: eco-enzymes, edamame soybeans, weed control
Uji Ketahanan Beberapa Varietas Jagung (Zea mays L.) Terhadap Serangan Spodoptera frugiperda J.E Smith Ratna, Yuni; Pebrianti, Herni Dwinta; Prayogi, Vidi Mugi
AGROSCRIPT: Journal of Applied Agricultural Sciences Vol 7 No 2 (2025): December
Publisher : Universitas Perjuangan Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36423/agroscript.v7i2.2198

Abstract

Spodoptera frugiperda (Lepidoptera: Noctuidae) merupkan hama utama tanaman jagung yang dapat menyerang semua fase pertumbuhan tanaman jagung. Penelitian ini bertujuan untuk mengetahui ketahanan beberapa varietas unggul tanaman jagung (Zea mays) terhadap serangan S. frugiperda. Penelitian dilakukan di Desa Muaro Sebapo Kecamatan Mestong Kabupaten Muaro dari bulan April sampai bulan Juni tahun 2024. Varietas tanaman jagung yang di uji yakni Exsotic Pertiwi, Bonanza Now F1 dan Sukmaraga. Terdapat tiga petak perlakuan untuk tiga varietas yang di uji. Setiap petak perlakuan berukuran 12,5 m x 12,5 m dan jarak antar petak perlakuan 8 m. Setiap petak perlakuan terdiri atas 6 petak percobaan dengan ukuran masing-masing petak percobaan 1,4 m x 10,5 m. Tanaman sampel ditentukan secara acak sistematis dengan pola lajur tanaman berbentuk U. Pengamatan dilakukan sebanyak 5 kali pada saat tanaman jagung berumur 7-35 hst, dengan interval 1 minggu sekali. Setiap pengamatan digunakan 4 tanaman sampel/petak percobaan. Penentuan tanaman sampel dimulai dengan memberikan nomor pada masing-masing tanaman sampel, selanjutnya dilakukan pengundian menggunakan kertas untuk menentukan tanaman sampel yang pertama diamati. Peubah yang diamati terdiri atas populasi larva dan intensitas serangan S. frugiperda, jumlah trikoma daun, ketebalan daun dan diameter batang tanaman jagung. Uji statistik yang digunakan adalah uji-t (uji sampel independen), uji Mann-Whitney dan uji korelasi. Hasil penelitian menunjukkan bahwa populasi larva S. frugiperda tertinggi pada umur tanaman 28 hst pada varietas Exsotic Pertiwi dan intensitas serangan S. frugiperda tanaman jagung Varietas Sukmaraga lebih tahan terhadap serangan S. frugiperda karena memiliki jumlah trikoma lebih banyak yakni dengan rata-rata 685 cm2 dan daun yang lebih tebal dengan rata-rata 1,10 mm dibandingkan dengan Varietas Exsotic Pertiwi dan Bonanza Now F1.
Co-Authors Alan Firmansyah Anjani, Syifa Darma Ardianti, Ardianti Bayu Pambudi Dea Diyan Putri Didik Indradewa Elly Indra Swari Elly Indra Swari Herni Dwinta Pebrianti, Herni Dwinta Kasumbogo Untung Muryunika, Rince Nadia Akmala Zamila Neliyati, Neliyati Nerty Soverda Pardosi, Juan Rizki Prayogi, Vidi Mugi Rahayu Hermita Sinaga Syarifah Tuti Alawiyah Wahyuni, Dilla Weni Wilia Wilma Yunita Wilma Yunita Wilma Yunita Wilma Yunita Wilyus Wilyus Witjaksono Witjaksono Y. Andi Trisyono