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Uji Efektivitas Ekstrak Daun Sirih Hutan (Piper aduncum L.) dengan Penambahan Surfaktan Dietanolamida Terhadap Mortalitas Hama Plutella xylostella pada Tanaman Sawi Putih (Brassica pekinensis L.) Sofyana, Siska Anggraini; Haryadi, Nanang Tri
AGRITROP Vol 21, No 2 (2023): Agritrop: Jurnal Ilmu-Ilmu Pertanian
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/agritrop.v21i2.23412

Abstract

Plutella xylostella merupakan hama utama yang menyerang tanaman sawi putih.  Serangan di lapangan dapat menimbulkan kerugian mencapai 50-100%. Penggunaan pestisida kimia secara intensif masih dilakukan oleh petani, sehingga dapat menyebabkan efek negatif bagi lingkungan dan manusia. Perlunya pengendalian yang ramah lingkungan salah satunya dengan menggunakan pestisida nabati. Penggunaan daun sirih hutan (Piper aduncum L.) sebagai pestisida nabati mampu menekan populasi P. xylostella di lapang. Penelitian ini bertujuan untuk mengetahui efektivitas dari penggunaan pestisida nabati sirih hutan (Piper aduncum L.) dalam menekan populasi P. xylostella pada tanaman sawi putih. Penelitian dilakukan secara Rancangan Acak Lengkap (RAL) dengan 6 perlakuan yang terdiri dari: A= 0%, B= 2,5%, C= 3%, D= 3,5%, E= 4%, dan F= 4,5%. Setiap perlakuan konsentrasi sirih hutan diberikan senyawa surfaktan dietanolamida (DEA) sebesar 0,2%. Penelitian diulang sebanyak 4 kali. Hasil penelitian menunjukkan bahwa aplikasi ekstrak daun sirih hutan dengan konsentrasi 4,5% ditambah surfaktan dietanolamida 0,2%  mampu menyebabkan mortalitas P. xylostella sebesar 67,5%. Hal tersebut disebabkan bahwa Piper anducum mengandung senyawa aktif piperimida yang berisfat racun yang menyerang pada sistem saraf dan dapat mengakibatkan knockdown serta kematian serangga dengan cepat. Nilai LC50 dari ekstrak daun sirih hutan dalam membunuh P. xylostella sebesar 2,85%. Nilai LT50 dalam waktu 9,8 hari yakni pada konsentrasi 3,5% mampu membunuh 50% P. xylostella. Aplikasi ekstrak daun sirih dengan konsentrasi konsentrasi 4% efektif dalam menekan mortalitas larva P. xylostella.
Implementation Of Banana Plant and Diseases Management Technology as An Effort to Improve Banana Producing Center Businesses In Lumajang District Tanzil, Ahmad Ilham; Purnomo, Hari; Haryadi, Nanang Tri; Muhlison, Wildan
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 6 No. 2 (2021): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1748.058 KB) | DOI: 10.32734/abdimastalenta.v6i2.6110

Abstract

Banana is one of the leading commodities in Lumajang Distric. Partners in this service are farmer groups in Burno Village, Senduro District, Lumajang. The problem faced is the attack fungal plant pathogen caused Fusarium sp. and banana leaf-rolling caterpillar Erionota thrax. Methods in community service activities are focused on initiating groups of banana farmers, as well as providing knowledge and training on basic techniques and controlling banana pests. The steps taken include initiating the introduction of banana pests, conducting socialization and training on pest management techniques. The training conducted for partners includes a number of things, namely provision of the diversity of natural enemies, training on basic techniques for controlling pests and diseases, and training on the propagation of natural enemies, especially the fungus Trichoderma sp. and the parasitoid Trichogramma sp and their release in the field. This service is expected to be able to prevent and control banana pests and increase the amount of banana production so that it can improve welfare. Furthermore, it can improve social quality and community income
Implementation of Banana Plant and Diseases Management Technology as An Effort to Improve Banana Producing Center Businesses in Lumajang District Tanzil, Ahmad Ilham; Purnomo, Hari; Haryadi, Nanang Tri; Muhlison, Wildan
ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat Vol. 7 No. 1 (2022): ABDIMAS TALENTA: Jurnal Pengabdian Kepada Masyarakat
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2184.153 KB) | DOI: 10.32734/abdimastalenta.v7i1.7294

Abstract

Banana is one of the leading commodities in Lumajang District. Partners in this service are farmer groups in Burno Village, Senduro District, Lumajang. The problem faced is the attack fungal plant pathogen caused by Fusarium sp. and banana leaf-rolling caterpillar Erionota thrax. Methods in community service activities are focused on initiating groups of banana farmers, as well as providing knowledge and training on basic techniques and controlling banana pests. The steps taken include initiating the introduction of banana pests, conducting socialization and training on pest management techniques. The training conducted for partners includes a number of things, namely provision of the diversity of natural enemies, training on basic techniques for controlling pests and diseases, and training on the propagation of natural enemies, especially the fungus Trichoderma sp. and the parasitoid Trichogramma sp and their release in the field. This service is expected to be able to prevent and control banana pests and increase the amount of banana production so that it can improve welfare. Furthermore, it can improve social quality and community income.
Penerapan Pengembangan Refugia Dan Parasitoid Trichogramma Sp. Untuk Optimalisasi Konservasi Musuh Alami Pertanaman Cabai Merah Besar Di Desa Andongsari Kabupaten Jember Muhlison, Wildan; Purnomo, Hari; Sucipto, Irwanto; Haryadi, Nanang Tri
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 1 (2024): Januari - Maret
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i1.7107

Abstract

Andongsari Village Ambulu District is located in the southern part of Jember, Andongsari village itself is a target village for UNEJ LP2M KKN which is under development into a Prosperous Tourism and Entrepreneurial Village. The majority of people in Andongsari Village work as farmers and agricultural laborers and for general commodities there are rice, corn, cabbage, cauliflower, tobacco and for the main commodity is large chili. Based on the observations of our team, farmers there have been well coordinated through active farmer groups, not only male farmer groups there are also female farmer groups that are also equally active. In addition, farmers there have also known an integrated pest management system by combining chemical, mechanical and biological control systems along with implementing a natural enemy conservation system by planting refugia plants, this is shown by the development of many refugia in each cultivated land. Further search results, the attack of plant disturbing organisms, especially pests in large chili plantations is very high even though the application of synthetic pesticides is high. Excessive application of synthetic pesticides is suspected to be one of the main factors of pest resistance and at the same time the malfunction of refugia technology that has been applied in the field. On the other hand, the application of synthetic pesticides becomes one of the main and largest expenses of large chili production costs. Therefore, to be able to solve these problems, the solutions offered are the first to provide insight into how to identify pests in large peppers and their forms of prevention, the second optimization and arrangement of refugia plant design in cultivated land, the third training and assistance in propagation and conservation of natural enemies (useful insects) as a form of correlation with the refugia system and the last to support the integrated pest management system that has been There is training and assistance in making insecticides and vegetable functions by utilizing vegetable sources from the environment in Andongsari village. So that the farmer group in Andongsari village is able to independently produce refugia, mass multiply natural enemies and produce organic pesticides sustainably and can become an economic business unit for these farmer groups.
Adopsi Teknologi Insect Hotels untuk Meningkatkan Serangga Berguna Sebagai Upaya Pengendalian Penggerek Buah Kopi (PBKo) di Desa Kalibaru Wetan, Banyuwangi Kurnianto, Agung Sih; Haryadi, Nanang Tri; Dewi, Nilasari; Berliand, Ghalih Daffa; Hanafi, Ahmad Rifqi Alief; Witjakso, Michele Aprilia; Febrianti, Wanda Hamidah Zakiyah; Oktaviani, Nabiila Salsabil; Solekhah, Jihan Lutviatus
Jurnal Pengabdian Magister Pendidikan IPA Vol 7 No 2 (2024): April-Juni
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v7i2.7974

Abstract

Kalibaru Wetan Village, located in Kalibaru Subdistrict, Banyuwangi Regency, has potential natural wealth and superior agriculture. The agricultural area of Kalibaru Wetan Village covers a total area of 70.75 km². One of the village's primary commodities is coffee. The problems in the coffee plantations of Kalibaru Wetan Village include (1) high population of coffee berry borer (PBKo) pests attacking the coffee plants, (2) excessive use of synthetic pesticides harmful to the environment, and (3) low diversity of beneficial insects in the coffee fields. Based on these issues, it is necessary to disseminate the effects of synthetic pesticide use and the technology of insect hotels to farmers. The purpose of this community service activity is to transfer knowledge to farmers about the harmful effects of synthetic pesticides, the importance of insect diversity, and the use of insect hotel technology. The proposed solution is to implement insect hotel technology. The methods used in this community service activity include insect inventory, socialization, training on making and installing insect hotels, and program monitoring and evaluation. The results of the community service showed an increase in the diversity of insects in the coffee fields, with the number of beneficial insects such as honey bees and black ants increasing from 15 to 45 and from 20 to 60, respectively. Additionally, the use of synthetic pesticides by farmers significantly decreased from 50 liters per month to 15 liters per month. This program also successfully enhanced farmers' knowledge and skills in sustainable and environmentally friendly pest management.
The Effect of Barrier Use on Population Development and Attacks of B.tabaci Genn. on Soybean Plantations: Pengaruh Penggunaan Barrier Terhadap Perkembangan Populasi dan Serangan B.tabaci Genn. pada Pertanaman Kedelai Muhvidatul Jannah; Nanang Tri Haryadi
JURNAL AGRI-TEK : Jurnal Penelitian Ilmu-Ilmu Eksakta Vol. 25 No. 2 (2024): JURNAL AGRI-TEK
Publisher : Universitas Merdeka Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33319/agtek.v25i2.120

Abstract

Soybean (Glycine max (L) Merrill) is one of the food crop commodities in Indonesia. Soybean crop productivity decreased due to one of them being attack of B. tabaci Genn. One of the ways for controlling B. tabaci Genn. pests in soybean cultivation is by using a barrier. Barrier is an integrated pest management (IPM) which is based on ecological balance in nature. Pests are prevented from coming and attacking crops by using various forms of barriers that can slow down the movement of pests. The use of barriers can be a useful tool to reduce the development of B. tabaci Genn. on planting. This study was conducted to determine the effect of using a barrier on the population and attack of B. tabaci Genn. The barriers used in this study are plastic barriers, organdy barriers, sunflower barriers, and corn plant barriers. The study used a randomized block design with 5 treatments, namely P1 = control, P2 = organdy barrier, P3 = sunflower barrier, P4 = corn plant barrier and P5 = plastic barrier. The data obtained were then analyzed using ANOVA variance and further tested using the DMRT test at 5% level. The observed variables were population and attack intensity on B. tabaci Genn. in soybean planting areas, visits by other pests and soybean yields.
The Effectiveness Test of Aromatic and Flowering Plants in Controlling Thrips sp. Pest Attack on Red Chili (Capsicum annum L): Uji Efektivitas Tanaman Aromatik dan Berbunga dalam Pengendalian Serangan Hama Thrips sp. pada Tanaman Cabai Merah (Capsicum annum L) Rizkia Dwi A; Nanang Tri Haryadi
JURNAL AGRI-TEK : Jurnal Penelitian Ilmu-Ilmu Eksakta Vol. 25 No. 2 (2024): JURNAL AGRI-TEK
Publisher : Universitas Merdeka Madiun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33319/agtek.v25i2.129

Abstract

Cosmos sulphureus and Tagetes erecta are habitats for insects because they are able to provide the food needed by insects in the form of nectar, while the aromatic plants Apium graveolens and Ocimum bassilicum contain essential oils which act as pest repellents. Therefore, these plants can be used as a method of pest control by intercropping with the main crop. This study aims to determine the extent to which the influence of aromatic and flowering plants in controlling Thrips sp. on red chilies. The research was carried out using a randomized block design (RBD) method with one factor studied, namely the effect of aromatic and flowering plants on Thrips sp. pest control on red chili plants and the treatment combination consisted of, P0 = control (Capsicum annum L. without treatment), P1 = (Capsicum annum L. + Apium graveolens), P2 = (Capsicum annum L. + Ocimum bassilicum), P3 = (Capsicum annum L. + Cosmos sulphureus), P4 = (Capsicum annum L. + Tagetes erecta). Analysis of the research data used variance (ANOVA) and if there was a significant difference it was further tested using the LSD (Lessest Significant Difference) level of 5%. The results of this study indicate that the treatment of aromatic Apium graveolens, Ocimum bassilicum, Cosmos sulphurous and Tagetes erecta flowering plants is quite effective in controlling population numbers of Thrips sp. and intensity of attack by Thrips sp. on red chili plants.
The Influence of Shade Tree Diversity on Natural Enemy Communities and Microclimate in Coffee Agroforestry Systems Dewi, Nilasari; Kurnianto, Agung Sih; Haryadi, Nanang Tri; Rosita, Mitayuni Faur; Guretno, Titus Krido; Febrianti, Wanda Hamidah Zakiyah; Khowatini, Husnul; Priambodo, Bagus
The Journal of Experimental Life Science Vol. 15 No. 3 (2025)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2025.015.03.04

Abstract

Coffee agroforestry is an integrated farming system that combines coffee cultivation with the planting of shade trees. While it is well-established that vegetation diversity can support populations of natural enemies, few studies have investigated how varying levels of vegetation diversity interact with microclimatic conditions to influence insect community dynamics. Conducted in Desa Pace, Jember, East Java, the research compares simple and complex agroforestry systems in terms of their vegetation structure and the resulting impacts on natural enemy diversity. Field sampling was carried out in May, July, and September using yellow pan traps, accompanied by microclimatic measurements. Results revealed that the simple agroforestry had greater vegetation diversity. However, the Shannon-Wiener Index for vegetation was 0.94 in the complex system and 0.56 in the simple system, while the diversity of natural enemies was identical (1.70) in both systems. Microclimatic factors played a key role, with the simple having higher humidity and the complex exhibiting higher temperatures. These findings underscore that higher vegetation diversity does not always correspond to increased diversity among natural enemies, pointing to the influence of other ecological and environmental factors in shaping these communities. The study highlighted the importance of selecting appropriate shade vegetation to support sustainable and climate-resilient coffee agroforestry systems.
Peningkatan pendapatan petani melalui budidaya mina padi dalam mewujudkan ketahanan pangan dan pengendalian hama di Desa Sumberjambe Dewi, Nilasari; Haryadi, Nanang Tri; Kurnianto, Agung Sih; Ratriningtyas, Ajeng; Safitri, Amelia; Rosyid, Abdullah Al Halimir
SELAPARANG: Jurnal Pengabdian Masyarakat Berkemajuan Vol 10, No 1 (2026): February
Publisher : Universitas Muhammadiyah Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31764/jpmb.v10i1.35370

Abstract

Abstrak Desa Sumberjambe, Kecamatan Sumberjambe, Kabupaten Jember, merupakan desa binaan Universitas Jember dengan potensi lahan sawah seluas 4.633 ha dan produktivitas 5,82 ton/ha. Permasalahan utama yang dihadapi petani adalah serangan hama, khususnya wereng batang coklat dan walang sangit, yang menyebabkan penurunan hasil panen. Program pengabdian ini menerapkan sistem mina padi, yaitu integrasi budidaya padi dan ikan, sebagai upaya meningkatkan ketahanan pangan sekaligus menekan populasi hama secara ramah lingkungan. Tujuan dari kegiatan ini adalah meningkatkan pengetahuan dan keterampilan petani dalam budidaya mina padi serta meningkatkan pendapatan petani. Kegiatan dilaksanakan melalui sosialisasi, pelatihan, pendampingan, serta evaluasi dengan melibatkan kelompok tani “Setia Tani”. Hasil kegiatan menunjukkan peningkatan pengetahuan petani terhadap teknik mina padi dari 20% menjadi 100%. Meskipun tinggi tanaman dan jumlah anakan padi pada sistem mina padi sedikit lebih rendah dibandingkan metode konvensional, sistem ini terbukti mampu menekan populasi hama walang sangit (27 ekor pada sistem konvensional menjadi 19 ekor pada sistem mina padi) serta memberikan tambahan hasil berupa panen ikan nila sebanyak 1.500 ekor. Temuan ini membuktikan bahwa sistem mina padi tidak hanya mendukung diversifikasi pangan dan peningkatan pendapatan petani, tetapi juga mengurangi ketergantungan terhadap penggunaan pestisida kimia. Kata kunci: padi; wereng batang coklat; mina padi; ikan. AbstractSumberjambe Village, Sumberjambe Subdistrict, Jember Regency, is a village assisted by the University of Jember with 4,633 hectares of rice fields and a productivity of 5.82 tons/hectare. The main problem faced by farmers is pest infestation, particularly brown planthoppers and leafhoppers, which cause a decline in crop yields. This community service program implements a rice-fish farming system, which integrates rice and fish cultivation, as an effort to improve food security while reducing pest populations in an environmentally friendly manner. The objective of this program is to enhance farmers’ knowledge and technical skills in mina padi cultivation and to improve their income. The activities were carried out through socialization, training, mentoring, and evaluation involving the “Setia Tani” farmer group. The results of the activities showed an increase in farmers' knowledge of rice-fish farming techniques from 20% to 100%. Although the height of the plants and the number of rice seedlings in the rice-fish farming system were slightly lower than in the conventional method, this system proved to be able to reduce the population of brown planthoppers (from 27 insects in the conventional system to 19 insects in the rice-fish farming system) and provide additional income in the form of a tilapia harvest of 1,500 fish. These findings prove that the rice-fish farming system not only supports food diversification and increases farmers' income, but also reduces dependence on chemical pesticides. Keywords: paddy; brown planthopper; rice-fish farming; fish.
Study of Integrated Pest Management Strategy on The Population of Fruit Flies (Bactrocera spp.) in Red Chili Cultivation (Capsicum Annuum) Muhlison, Wildan; Haryadi, Nanang Tri; Kurnianto, Agung Sih; Ahmada, Bugar Syarif
The Journal of Experimental Life Science Vol. 11 No. 1 (2021)
Publisher : Graduate School, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jels.2021.011.01.03

Abstract

The fruit fly Bactrocera spp. is the main pest other than Thrips in red chilies, which can reduce plant productivity by 30-60%, so that a specific method of handling this pest is needed. This study examines the application of conventional and Integrated Pest Management (IPM) strategies to fruit fly populations in red chili cultivation (Capsicum annuum). Observation of fruit fly population used the comparative method with methyl eugenol traps and incubation of infected fruit. Determination of the research sample based on purposive sampling method and analyzed using descriptive analysis. The test parameters were the fruit fly population indicated by the host's density and hosts' availability in the applied IPM and conventional treatments. The results showed that the fruit fly species encountered were dominated by B. dorsalis with a percentage of 98.18% and B. carambola 1.82%. The fruit fly population's fluctuation in IPM and conventional treatments were significantly different, as evidenced by a one-way variance test at a significance level of 99%. The population of fruit flies in the IPM concept was 547 flies, while the conventional concept was 1546 flies. The percentage of fruit fly population in red chili plants with IPM treatment was 48% smaller than conventional treatments.Keywords: Bactrocera spp., IPM, Population, Red chilies.
Co-Authors . Usmadi Abel Rahmad Mulyono Aditya Pratama Mukti Agung S. Kurnianto Agung Sih Kurnianto Agung Sih Kurnianto Agustina, Titin Ahmad Ilham Tanzil Ahmad Muammar Kadafi Ahmada, Bugar Syarif Aini, Falzah Riski Khoirotul Ainun Dessy Alfia Aiqe Seprinanda Mubarokah Aisyah, Anjelina Putri Ajeng Faradhila Muninggar Al Islami, Mohamad Riedho Amalia Putri Sani Andaresta, Regina Ryo Anugerah, Muhammad Aldi Ilham Ar Rohmah, May Tricia Ardhi Satrio Pamungkas Ariska Sayyidaturrohmah Ayu Asmita AYU LESTARI Aziz Surahman Azizul Nur Irza Ihtizar Bagus Priambodo Berliand, Ghalih Daffa Binti Choirul Latifa daniel christian Dewi, Nilasari Dhevischa Alamanda Iriyanto Diah Atika Sari Dian Siska Safitri Dwiki Syahrul Ramadhan Efendi, Galang Prasetyo Enjel Meylita Santosa Erin Indriana Rosidah Fairuzil Firdaus Fajar Kurnia Laily Farrel Rayhan Nabil Fatkur Rohman Febrianti, Wanda Hamidah Zakiyah Fitri Nur Indah Fatika Sari Fitri, Dewi Adhelia Giyarto Giyarto Guretno, Titus Krido Hadi Paramur Hanafi, Ahmad Rifqi A. Hanafi, Ahmad Rifqi Alief Hari Purnomo Hari Purnomo HARI PURNOMO Hari Purnomo Hilda Ramadhani Hoesain, Mohammad Huwae, Michelle Abelina Ikhtiyar Rizqi Ritanti Imron Rosyidi, Imron Indraswari, Nadya Oktarinz Intan Karina Mutiara Irfan Harianto Irwanto Sucipto, Irwanto Isniatul Lailiyah Janah, Febriyanti Alya Kharisma Wahyu Lestari Khofifah Tri Ambarwati Khowatini, Husnul Kristian Kusumo Dirjo Kurnia Hartati Laili, Fadlul Lakonawa, Dino Lestari , Auralia Sakinah Lestari, Auralia Sakinah M Novel Ghufron Syahroni M. Hilman Nur Farodis M. Nur Rosyid Ridho Maghfiroh, Melinda Dwi Magvira, Nur Laila Mahmuda, Jevina Dewi Marvintha, Kirana Ndaru Maysixteen, Rica Ahswara Miftakhul Jannah Muhammad Ainul Yaqin Muhammad Bagus Dirrar Al Ashar Muhammad Erfan Muhammad Firdaus Muhayati Rofiah Muhvidatul Jannah Nafsi, Ach. Sulthon Azizun Natasyah, Defi Cindi Nilasari Dewi Nilasari Dewi Novia Margaretha Noviardhana, Astiningtia Nurhayati, Wiwik Nurul Lathifa Oktaviani, Nabiila Salsabil Pamungkas, A. S. P. Pamungkas, Desika Paramita, Sofia Dwi Puspitasari, Dea Ayu Putri, Rizka Adelia R. Helmy Ramadianto Rachma Wahyu Hidayat Rahma Mar’atus Sholikhah Ratriningtyas, Ajeng Rejanta, Mohammad Iqbal Adelia Reza Oktavianus Rika Ningtias Rizki Amelia Rachmawati Rizkia Dwi A Romadhani, Chita Shofiya Rose Novita Sari Handoko Rosida, Oktafia Rosita, Mitayuni Faur Rosyid, Abdullah Al Halimir Ruchma, Verdiana Wahyu Hidayati Sa'adah, Anis Safitri, Amelia Saifuddin Hasjim Sallindri Apalle Salsa Dinta Arizona Salsabila Nur Shinta Samudro, Fathan Setyo Sandra Nurmeiswara Putri Saputro, Puguh Widianto Sekar Faradita Prameswari Septiadi, Luhur Siska Agustina Pertiwi Siswahyudianto Sofyana, Siska Anggraini Solekhah, Jihan Lutviatus Titin Agustina Tri Bagus Wicaksono Uswatun Hasanah Wildan Muhlison, Wildan Wildatun Munawara Witjakso, Michele Aprilia Wulandari, Amanda Eka Wulandari, Tri Anggi Yuliastika, Devi Elengga Yunus Hidayat Zahwan, Mohammmad Daffa