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All Journal Jurnal Entomologi Indonesia Planta Simbiosa : Jurnal Tanaman Pangan dan Hortikultura Jurnal Pengabdian Nasional Proceeding Applied Business and Engineering Conference
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
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 Priyadi Priyadi RAUF, AUNU Simbolon, Novita Dong Mariris uana, Arum Sekar B Utari, Amilia Ayu Jen