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All Journal Jurnal Entomologi Indonesia Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura Jurnal Pengabdian Nasional Jurnal Agriment Proceeding Applied Business and Engineering Conference Agroscript: Journal of Applied Agricultural Sciences
Maharani, Juwita Suri
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Masa hidup imago, progeni, dan kemampuan parasitisasi Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae), parasitoid kutu putih singkong Maharani, Juwita Suri; Rauf, Aunu; Maryana, Nina
Jurnal Entomologi Indonesia Vol 16 No 3 (2019): November
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.16.3.138

Abstract

Parasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) was introduced from Thailand into Indonesia in early 2014 to control the invasive cassava mealybug, Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae). Research was conducted in laboratory with the objectives to determine effect of honey on adult longevity, to study fecundity, progeny production, and sex ratio, and to evaluate effect of increased host density to parasitization. Studies were carried out by exposing 3rd instar nymphs of mealybug to parasitoids. Effect of honey on adult longevity was done in the absence of hosts. Fecundity was measured by the number of mummies formed. Results showed that adult females lived for 3.7 days, while males lived for 3.2 days when only provided water. Adult longevity increased significantly when honey was provided. Parasitoids with access to 50% honey lived almost six to nine fold longer than those provided water. Over its adult life, A. lopezi parasitized 96–287 mealybugs with an average of 203.7 or 34.6% of hosts were parasitized, and 24.86% were killed through host feeding. Development from egg to adult emergence required 17.97 and 17.67 days for males and females respectively. The average number of offspring produced per female was 88.8 individuals, of which 56.9% were females. The number of hosts parasitized at densities varying from 2–100 cassava mealybugs corresponded to a type III functional response.
Optimizing Compost Quality: Decomposition Of Rice Straw Agro-Waste Through Various Biological Agent Supplementations Priyadi, Priyadi; Mutaqin, Zainal; uana, Arum Sekar B; Maharani, Juwita Suri
ABEC Indonesia Vol. 12 (2024): 12th Applied Business and Engineering Conference
Publisher : Politeknik Negeri Bengkalis

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Abstract

ntensive agricultural activities in rice cultivation impact increasing waste, especially straw. Unfortunately,straw contains cellulose and lignin, which are difficult to decompose. This study examines the effect of adding biologicalagents on compost quality from rice straw waste. The study used a Randomized Block Design (RBD) with four treatmentsand six replications, including T0: control (without biological agents), T1: POF catalyst, T2: Bacillus sp., T3: Trichodermasp. Observation variables for compost quality include analysis of temperature changes, pH value, water content, andchemical analysis, including the content of total macronutrients nitrogen, phosphorus, and potassium. Quantitative datawere analyzed statistically using ANOVA and the LSD test p <0.05. The findings indicated that incorporating biologicalagents in rice straw composting markedly enhanced the quality of the resulting compost. Utilizing biological agents,particularly the Trichoderma treatment, led to a notable enhancement in compost quality. The macronutrient content ofnitrogen (N) increased by 3.60%, phosphorus (P) by 0.49%, and potassium (K) by 1.67%. This increase could havesignificant implications for the composting process. Additionally, an increase in temperature, reaching 50-60°C,significantly impacts the composting process, collectively affecting microorganisms and facilitating the decomposition oforganic matter. Furthermore, the thermophilic phase in Trichoderma treatment accelerates decomposition, thus offering apotential solution for faster composting
Eksplorasi dan Identifikasi Agen Antagonis dari Lahan Organik Sebagai Implementasi Pengendalian Hayati Miftahurohman, Muhammad; Utari, Amilia Ayu Jen; Mahendra, I Gede Rio; Simbolon, Novita Dong Mariris; Annisa, Septina Nur; Priyadi, Priyadi; Nuryanti, Ni Siluh Putu; Maharani, Juwita Suri; Budiarti, Lina
J-Plantasimbiosa Vol 6 No 2 (2024)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jplantasimbiosa.v6i2.3761

Abstract

The agricultural sector plays a strategic role in food security and environmental sustainability; however, it faces challenges such as declining productivity and pollution due to synthetic chemicals. This study aims to identify antagonistic fungi from organic lands and test their effectiveness in controlling Fusarium sp. pathogens as part of integrated pest management. The methods employed include exploration, isolation, identification, and antagonistic fungi testing on Potato Dextrose Agar (PDA) media. The results revealed four types of identified fungi, including light green, brown, and black, which belong to the Aspergillus sp. and dark green is Trichoderma sp. species. The light green antagonistic fungus effectively suppressed the growth of Fusarium pathogens by 57.84%, while the dark green fungus showed a suppression rate of 32.32%. This study emphasizes the potential of antagonistic fungi as effective biocontrol agents in sustainable agriculture.
PENDAMPINGAN PEMBUATAN DAN TEKNIK APLIKASI NANOEMULSI PESTISIDA NABATI UNTUK PENGENDALIAN HAMA DAN PENYAKIT PADA TANAMAN PADI DI KELOMPOK TANI TRI JAYA PEKON AMBARAWA, KABUPATEN PRINGSEWU Nuryanti, Ni Siluh Putu; Mutaqin, Zainal; Dulbari, Dulbari; Sudrajat, Denny; Maharani, Juwita Suri; Ardiansyah, Sigit
Jurnal Pengabdian Nasional Vol 6 No 1 (2025)
Publisher : Politeknik Negeri Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25181/jpn.v5i2.4222

Abstract

Kelompok Tani Tri Jaya masih sangat tergantung terhadap pestisida kimia. Penggunaan pestisida kimia berdampak negatif terhadap lingkungan sehingga, perlu adanya perubahan pola sistem budidaya yang ramah lingkungan dan terintegrasi yaitu menggunakan pestisida nabati. Tujuan dari pelaksanaan PkM adalah melakukan transfer teknologi pengendalian hama bagi petani padi melalui pendampingan pembuatan dan teknik aplikasi nanoemulsi pestisida nabati untuk pengendalian hama dan penyakit pada tanaman padi di kelompok tani tri jaya di pekon ambarawa, kecamatan ambarawa, kabupaten pringsewu. Alat yang digunakan adalah proyektor, laptop, gelas ukur, sprayer, homogenizer, kamera, alat tulis. Bahan diperlukan antara lain aqudes, tween-80, produk minyak atsiri, dan kuisioner. Tahapan yang digunakan yaitu persiapan, pelatihan dan pendampingan dan evaluasi. Hasil evaluasi yang diperoleh yaitu sebelum dilakukan kegiatan pendampingan kelompok tani tri jaya belum memahami tentang teknik aplikasi nanoemulsi pestisida nabati untuk pengendalian hama dan penyakit pada tanaman padi. Setelah dilakukan pendampingan kelompok tani tri jaya tertarik untuk menerapkan aplikasi nanoemulsi pestisida nabati untuk pengendalian hama dan penyakit pada tanaman padi. Kata kunci: nanoemulsi, hama, penyakit, pestisida nabati
Optimization of Biofertilizer Application on Sweet Corn Growth and Yield in Organic Farming Environment Rochman, Fajar; Maharani, Juwita Suri; Yuriansyah
JURNAL AGRIMENT Vol. 9 No. 1 (2024): Juni 2024
Publisher : Politeknik Pertanian Negeri Samarinda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51967/jurnalagriment.v9i1.3060

Abstract

This study looks at how to use biofertilizers to help sweet corn grow and yield well in an organic farming environment. The biofertilizers used were Trichoderma sp. fungus, Paenibacillus polymyxa bacteria, and a combination of the two with manure. The research was arranged in a Randomized Group Design (RAK) with four treatments and five replications. The treatments were control, manure and Trichoderma sp., Trichoderma sp. and P. polymyxa, and P. polymyxa alone. Parameters observed included plant height, number of leaves, stem diameter, cob length, cob diameter, cob weight, and sweetness level. The results showed that the biofertilizer treatment did not affect the growth and yield of sweet corn. However, the P. polymyxa treatment produced the tallest plants. The biofertilizer treatment did not affect yield components. It was concluded that biofertilizers did not significantly increase sweet corn growth or yield in organic farming.
Masa hidup imago, progeni, dan kemampuan parasitisasi Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae), parasitoid kutu putih singkong Maharani, Juwita Suri; Rauf, Aunu; Maryana, Nina
Jurnal Entomologi Indonesia Vol 16 No 3 (2019): November
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (454.296 KB) | DOI: 10.5994/jei.16.3.138

Abstract

Parasitoid Anagyrus lopezi (De Santis) (Hymenoptera: Encyrtidae) was introduced from Thailand into Indonesia in early 2014 to control the invasive cassava mealybug, Phenacoccus manihoti Matile-Ferrero (Hemiptera: Pseudococcidae). Research was conducted in laboratory with the objectives to determine effect of honey on adult longevity, to study fecundity, progeny production, and sex ratio, and to evaluate effect of increased host density to parasitization. Studies were carried out by exposing 3rd instar nymphs of mealybug to parasitoids. Effect of honey on adult longevity was done in the absence of hosts. Fecundity was measured by the number of mummies formed. Results showed that adult females lived for 3.7 days, while males lived for 3.2 days when only provided water. Adult longevity increased significantly when honey was provided. Parasitoids with access to 50% honey lived almost six to nine fold longer than those provided water. Over its adult life, A. lopezi parasitized 96–287 mealybugs with an average of 203.7 or 34.6% of hosts were parasitized, and 24.86% were killed through host feeding. Development from egg to adult emergence required 17.97 and 17.67 days for males and females respectively. The average number of offspring produced per female was 88.8 individuals, of which 56.9% were females. The number of hosts parasitized at densities varying from 2–100 cassava mealybugs corresponded to a type III functional response.
Pengaruh Aplikasi Trichoderma sp. terhadap Intensitas Penyakit Bercak Daun dan Penyakit Karat Daun pada Beberapa Varietas Kacang Tanah (Arachis hypogaea L.) Mahendra, I Gede Rio; Maharani, Juwita Suri; Rochman, Fajar
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.v7i2.2226

Abstract

Bercak daun dan karat daun menjadi dua penyakit utama yang paling sering ditemukan pada tanaman kacang tanah. Trichoderma sp. digunakan sebagai alternatif pengendalian penyakit tersebut. Tujuan dari penelitian ini adalah untuk mengkaji efektivitas aplikasi agens hayati Trichoderma sp. dalam menekan intensitas serangan penyakit bercak daun dan karat daun pada sejumlah varietas kacang tanah. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) Faktorial yang terdiri atas dua faktor, yaitu: Faktor I (varietas kacang tanah) terdiri dari Talam-1 (V1), Takar-2 (V2), Kelinci (V3), Katana-2 (V4), dan Jerapah (V5). Faktor II berupa perlakuan tanpa Trichoderma sp. (H0) dan perlakuan dengan pemberian Trichoderma sp. dosis 6,4 g/tanaman (H1). Trichoderma sp. diaplikasikan satu kali kemedia tanah dilubang tanam. Data dianalisis menggunakan ANOVA (Analysis of Variance) dan dilanjutkan dengan uji BNT 5%. Dari hasil analisis yang telah dilakukan, dapat disimpulkan bahwa perbedaan yang terjadi tidak menunjukkan signifikansi secara statistik antar varietas (V1–V5) maupun antar perlakuan (H0 dan H1). Pada penyakit bercak daun, nilai intensitas berkisar antara 0,43 hingga 0,64, sementara pada karat daun berkisar antara 0,22 hingga 0,52.
Kelimpahan Musuh Alami (Predator) pada Budidaya Tanaman Jagung Manis di Lahan Organik Ningrum, Ayu; Rochman, Fajar; Maharani, Juwita Suri
AGROSCRIPT: Journal of Applied Agricultural Sciences Vol 7 No 1 (2025): June
Publisher : Universitas Perjuangan Tasikmalaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36423/agroscript.v7i1.2230

Abstract

Penelitian ini bertujuan untuk mengetahui keanekaragaman arthropoda yang ada di lahan organik Politeknik Organic Farm dengan menggunakan metode survei menggunakan pitfall trap dan sweep net. Pengamatan dilakukan pada tanaman jagung organik yang berada di tiga fase pertumbuhan, yaitu fase vegetatif, pembungaan, dan panen. Pada setiap fase, dilakukan penempatan pitfall trap sebanyak 10 titik dan sweep net sebanyak 5 kali dengan ayunan ganda. Hasil penelitian menunjukkan bahwa, Ordo Hymenoptera dengan jenis semut hitam (38%) diikuti dengan Ordo yang sama yaitu Hymenoptera (26%), Araneae dengan jenis laba-laba (19%), Coleoptera dengan jenis kumbang tanah (4%). Pada penggunaan sweep net dengan Ordo Hymenoptera dan jenis semut hitam (38%), diikuti dengan Hemiptera dengan jenis kumbang hitam (16%), diptera dengan jenis lalat hitam (14%), dan aranae dengan jenis laba-laba (13%). berperan dalam mengendalikan populasi hama tanaman. Hasil ini mengindikasikan bahwa kedua metode pengamatan, pitfall trap dan sweep net, memberikan informasi yang penting mengenai keanekaragaman Arthropoda di lahan organik dan memberikan gambaran mengenai potensi kontrol hayati yang ada pada ekosistem pertanian organik tersebut.
Co-Authors Annisa, Septina Nur ardiansyah, sigit Dede Maryana Denny Sudrajat Dulbari, Dulbari Lina Budiarti, Lina Mahendra, I Gede Rio Miftahurohman, Muhammad Mutaqin, Zainal Ni Siluh Putu Nuryanti Ningrum, Ayu Priyadi Priyadi RAUF, AUNU Rochman, Fajar Simbolon, Novita Dong Mariris uana, Arum Sekar B Utari, Amilia Ayu Jen Yuriansyah