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Sugeng Santoso
Departemen Proteksi Tanaman Fakultas Pertanian IPB University Jln Kamper Kampus IPB Dramaga , Bogor 16680 Indonesia
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Environmental Science Languange, Linguistic, Communication & Media Medicine & Pharmacology Public Health Social Sciences Other

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Preferensi dan tanggap fungsional Neoseiulus californicus McGregor (Acari: Phytoseiidae) sebagai predator Tetranychus kanzawai Kishida (Acari: Tetranychidae) Sugeng Santoso; Edwin Iswella
Jurnal Entomologi Indonesia Vol 10 No 2 (2013): September
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1025.989 KB) | DOI: 10.5994/jei.10.2.78

Abstract

Kanzawa spider mite (KSM), Tetranychus kanzawai Kishida (Acari: Tetranychidae) is an important pest on many crops in Indonesia. Generally, farmers use acaricide to control this mite, which may cause negative side effects. One of the alternative control methods is the use of predatory mite. This research was done to determine prey preference and functional response of predatory mite Neoseiulus californicus (Acari: Phytoseiidae) on several life stages of KSM. Experiments were conducted under laboratory conditions. N. californicus were supplied with nymphs and adults of KSM to know its preference. N. californicus were also supplied with KSM eggs at several densities to know its functional response. Adult females and deutonymphs of N. californicus preferred KSM eggs than nymphs as their prey. The number of eggs consumed by adult females and deutonymphs N. californicus increased with the increase of prey density. The number of eggs laid by adult females of N. californicus increased with the increase of prey density. Searching time of the predator became faster with the increase of prey density. N. californicus showed cannibalism under low density of prey.
Tingkat pemangsaan Neoseiulus longispinosus Evans (Acari : Phytoseiidae) terhadap Tetranychus urticae Koch dan Tetranychus kanzawai Kishida (Acari: Tetranychidae) serta perilaku kanibalismenya Edwin Iswella; Pudjianto Pudjianto; Sugeng Santoso
Jurnal Entomologi Indonesia Vol 13 No 3 (2016): November
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (347.47 KB) | DOI: 10.5994/jei.13.3.165

Abstract

Tetranychus urticae Koch and Tetranycus kanzawai Kishida are important pests of various crops of economically importance in Indonesia.  Acaricide are commonly used to control these mites. One of the alternative control methods is the use of phytoseiid predatory mites. Most of the phytoseiid mites that are used as biological control agents are exotic mites. For that reasons, it is necessary to study indegenous predatory mites that has the potential to be developed as biological control, such as N. longispinosus. The objective of this study was to determine the predation capacities of N. longispinosus on two red spider mites of T. urticae and T. kanzawai and the effect of predator densities to predator cannibalistic behavior. N. longispinosus were supplied with eggs and adults of T. urticae and T. kanzawai to determine the predation capacities. N. longispinosus were also supplied low number of T. kanzawai eggs as the prey at several predator densities to see its cannibalistic behavior. The results showed that the number of eggs of T. urticae dan T. kanzawai consumed by deutonymphs and adult females of N. longispinosus was higher than the adult female of T. urticae dan T. kanzawai. The number of eggs of T. urticae dan T. kanzawai consumed by adult female N. longispinosus was higher than by the deutonymphs. The number of eggs laid by adult females of N. longispinosus when feed on eggs of T. urticae and T. kanzawai was higher than those feed on adult female. Deutonymph and female adult stage of N. longispinosus showed cannibalistic behavior at several predator densities in low number of prey.
Identifikasi tungau hama pada tanaman pepaya di Pulau Lombok Wieke Mei Dina; Sugeng Santoso
Jurnal Entomologi Indonesia Vol 14 No 1 (2017): Maret
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (924.427 KB) | DOI: 10.5994/jei.14.1.37

Abstract

Lombok Island (West Nusa Tenggara) is one of the major papaya producer in Indonesia. In the last five years, papaya production in West Nusa Tenggara has decrease continuosly. Pest mites is one the constraint found in papaya production in Indonesia. At the present there is no data available related with mites on papaya in Lombok island. Thus, the aim of the research is to determine the identity of pest mites on papaya in Lombok Island. Mites collected from 50 different location of 5 districts in Lombok Island. From each location, 3 plant were sampled for observation, two leaves from each plants were collected. Identification of mites were conducted by using morphological  characters such as stigma, gnathosoma, and idiosoma. The results revealed twelve spesies of pest mites of papaya in Lombok island, they were Aculops pelekassi Keifer, Calacarus carinatus Keifer, Brevipalpus californicus Banks, B. obovatus Dannadieu, B. phoenicis Geijskes, Tenuipalpus pasificus Baker, Eutetranychus africanus Tucker, Panonychus citri McGregor, Tetranychus fijiensis  Hirst , T. kanzawai Kishida, T. piercei McGregor, and Tarsonemus bilobatus Suski.
Biologi, neraca hayati, dan pemangsaan Cryptolaemus montrouzieri Mulsant (Coleoptera: Coccinellidae) pada Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae) Eka Wahyuningsih; Aunu Rauf; Sugeng Santoso
Jurnal Entomologi Indonesia Vol 16 No 1 (2019): March
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (568.989 KB) | DOI: 10.5994/jei.16.1.18

Abstract

Papaya mealybug, Paracoccus marginatus Williams & Granara de Willink (Hemiptera: Pseudococcidae), is an invasive pest that was detected for the first time in Indonesia in 2008. One of the common natural enemies is the predatory beetle Cryptolaemus montrouzieri Mulsant (Coleoptera: Coccinellidae). The research was conducted with the objectives to determine the biology, life table parameters, and predation of C. montrouzieri on P. marginatus. Observation of biological and life table parameters and predation was conducted by introducing the predators into Petri dishes containing mealybugs. Eggs of C. montrouzieri hatched in 4.35 days. Mean developmental periods for 1st, 2nd, 3rd, and 4th instar larvae were 4.23; 4.21; 5.84; 5.93 days, respectively. The mean pre-pupal and pupal periods were 1.95 and 7.55 days, respectively. The longevity of male adults was 51.34 days, while that of females was 83.39 days. The number of eggs laid by a single female averaged 198.49. The net reproductive rate (Ro) was 117.11 individu/female/generation, intrinsic rate of increase (rm) was 0.073 individu/female/day, mean generation time (T) was 64.776 days, doubling time (Dt) was 9.426 days, and finite rate of increase (λ) was 1.076 per day.  The 4th instar larvae of C. montrouzieri was the most voracious with numbers of P. marginatus eggs, 1st, 2nd, 3rd instar nymphs or adults consumed were 188.0; 53.4; 44.0; 26.8; or 15.6; respectively. Manly’s preference index suggested that larvae, as well as adults of C. montrouzieri, preferred eggs and 1st instar nymphs of P. marginatus over other mealybug stages. Our study indicates the high potential of C. montrouzieri in the biological control of P. marginatus.
Statistik Demografi Kumbang Predator Stethorus sp. (Coleoptera: Coccinellidae) pada Tetranychus Kanzawai Kishida (Acari: Tetranychidae) Nirma Septia Ramlan Anjas; Sugeng Santoso; Ali Nurmansyah
Jurnal Entomologi Indonesia Vol 18 No 1 (2021): Maret
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.18.1.33

Abstract

Tetranychus kanzawai is a species of mite that can cause agricultural crop losses of about 60–90%. One way to control pests that are environmental friendly is to use the predatory beetle Stethorus punctillum. This study aims to determine the demographic statistics, preferences, and functional response of S. punctillum on T. kanzawai. Observation of the S. punctillum biological using 100 eggs, observations were made of the number of individuals living until adult females produce offspring. Preferences of S. punctillum using 50 eggs and 50 nymphs and T. kanzawai adults, observations were made on the number of  T. kanzawai preyed by instar larvae I, II, III, IV, and S. punctillum adults. Functional response is done by giving S. punctillum prey as many as 30, 40, 50, 60, 70, 80 eggs T. kanzawai, observations made on the remaining number of eggs. S. punctillum eggs last for 7.01 ± 0.72 days. First instar larvae lasted for 4.84 ± 0.51 days, second instar 3.16 ± 0.52 days, third instar 3.00 ± 0.27 days, and IV instar 2.48 ± 0.50 days. Females lay eggs 64.47 ± 2.37 eggs. Gross reproduction rate (GRR) of S. punctillum 64.29 individuals/generation, net reproduction rate (Ro) of 17.18 individuals/female/generation, intrinsic accretion rate (r) of  0.27 individuals/female/day, average the generation period (T) is 62.41 days, and the double time (DT) is 2.51 days. The data shows that S. punctillum has a preference for T. kanzawai egg stages and type III functional response curves with Th 7.68 minutes and a 0.22 eggs/minute.
Kepadatan populasi dan waktu efektif pelepasan tungau predator Neoseiulus longispinosus Evans untuk pengendalian Tetranychus kanzawai Kishida Nhyra Kamala Putri; Ali Nurmansyah; Sugeng Santoso
Jurnal Entomologi Indonesia Vol 18 No 3 (2021): November
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.18.3.207

Abstract

Kanzawa spider mite, Tetranychus kanzawai Kishida (Tetranychidae) is one of the most important pest mite in Indonesia. This mite is known as the pest of many crops, including cassava. Neoseiulus longispinosus Evans (Phytoseiidae) is a predatory mite commonly found on plant infested by kanzawa spider mite. This predatory mite has high potential to be developed as biological control agent of T. kanzawai. The aim of this research is to elucidate the effective density and release time of N. longispinosus to control T. kanzawai on cassava. The research was conducted in the greenhouse, using cassava of Mentega cultivar. T. kanzawai were introduced into the cassava plants two weeks after planting, with density 5 female adults/plants. N. longispinosus were introduced 1, 2, and 3 weeks after T. kanzawai introduction with predator:prey ratio of 0:5, 1:5, 2:5, dan 3:5, respectively. Population of T. kanzawai and N. longispinosus, and also plant damage were observed at 6 weeks after planting. N. longispinosus could suppress T. kanzawai population and the highest suppression occurred at the interaction between 3:5 ratio and the release time at one week after T. kanzawai infestation. There was no significant effect of N. longispinosus release at various release ratio and time on attack intensity of T. kanzawai.
Laporan baru tungau Tarsonemus bilobatus Suski dan karakter utama tungau lain pada daun tanaman jeruk di Pulau Jawa, Indonesia Hendri Hermawan; Sugeng Santoso; Aunu Rauf
Jurnal Entomologi Indonesia Vol 18 No 2 (2021): Juli
Publisher : Perhimpunan Entomologi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5994/jei.18.2.140

Abstract

Citrus is one of the most important fruit crops in Indonesia. One of the main problems in citrus production is mite infestation. Many mite species were reported attacking citrus around the world. This study was aimed to identify mites and describe the main characters of various species of mites on citrus in Java, Indonesia. Sampling was carried out at the location of citrus plantations and citrus plants in the yard of the house which was carried out purposively. In a large planting area, sampling was carried out on 10 citrus trees that showed symptoms of mite attack. The identification process is carried out by a mounting process to obtain specimens that can be observed under a compound microscope using PVA. Eight species of mites were collected from 8 various of citrus from 15 locations. Six mites species were identified as phytophagous, i.e., Panonychus citri McGregor, Eotetranychus sp., Eutetranychus sp. (Family Tetranychidae), Brevipalpus phoenicis (Geijskes) (Family Tenuipalpidae), Tarsonemus bilobatus Suski (Family Tarsonemidae), and Phyllocoptruta oleivora (Ashmead) (Family Eriophyidae). Meanwhile, the other two species, Amblyseius sp. (Family Phytoseiidae) and Cheletogenes ornatus (Canestrini & Fanzago) (Family Cheyletidae) were predators. Unidentified mites were Family Tydeidae and Winterschmidtiidae. According to Regulation No. 31 of 2018, P. citri and Ph. oleivora are quarantine pest. T. bilobatus is firstly reported in Indonesia.
Kelimpahan Fauna Tanah pada Ekosistem Pascabakar Kecamatan Mentebah, Kabupaten Kapuas Hulu, Kalimantan Barat, Indonesia Endang Sulistyorini; Rahayu Widyastuti; Sugeng Santoso
Agro Bali : Agricultural Journal Vol 4, No 3 (2021)
Publisher : Universitas Panji Sakti

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (453.151 KB) | DOI: 10.37637/ab.v4i3.745

Abstract

Sistem pengelolaan hutan di Kabupaten Kapuas Hulu selama ini kurang optimal sehingga luas hutan dari tahun ke tahun mengalami penurunan yang mengakibatkan kualitas hutan semakin menurun. Eksploitasi hutan seperti penebangan hutan, peningkatan peralihan fungsi kawasan hutan menjadi pemukiman, perkebunan, perladangan berpindah, dan terjadinya kebakaran hutan merupakan ancaman yang serius terhadap ekosistem hutan terutama keberadaan fauna tanah dan hilangnya keanekaragaman hayati. Fauna tanah merupakan bagian dari ekosistem tanah yang menjaga ekosistem melalui proses dekomposisi dan siklus hara. Proses-proses tersebut bertujuan untuk memperbaiki serta mempertahankan sifat biologi, kimia, dan fisik tanah. Tujuan dari penelitian ini adalah mengidentifikasi kelimpahan fauna tanah dan pengaruh lingkungan terhadap kelimpahan fauna tanah pada ekosistem hutan sekunder, lahan pascabakar 1 tahun, belukar muda (2-3 tahun) dan belukar tua (5-20 tahun). Sampel tanah diambil dengan menggunakan metode transek sepanjang 100 m dengan 10 titik sampling pada kedalaman 0-5 cm. Ekstraksi fauna tanah dilakukan dengan menggunakan alat modifikasi Berlese Funnel Heat Extractor. Identifikasi ordo dilakukan dengan mikroskop cahaya stereo. Hasil penelitian menunjukkan bahwa setiap ekosistem memiliki kelimpahan dan keanekaragaman yang berbeda. Kelimpahan fauna tanah terbesar dan terendah adalah 1.350 dan 461 individu /m2 pada ekosistem hutan sekunder dan lahan pascabakar 1 tahun. Keanekaragaman terbesar terdapat pada ekosistem hutan sekunder dan belukar tua (1,82;1,95) dengan kategori keanekaragaman sedang. Kelimpahan fauna tanah didominasi dari kelas Hexapoda (insecta) dan terendah dari kelas Symphyla.
Penerapan Teknologi Self-Service Dalam Meningkatkan Customer Satisfaction Pada Usaha Ritel Food and Beverage Yayuk Arsih; Adhadi Praja; Sandi Perdian; Sugeng Santoso; R. Nurhidajat
Administratif Profesional Vol 3 No 2 (2022): Jurnal Administrasi Profesional
Publisher : Jurusan Administrasi Niaga Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

Digitalization is growing, especially since the COVID-19 pandemic, the industry has been forced to adapt quickly and transform through digital platforms to survive. Various technologies and innovations are present to answer the challenges to continue providing a satisfying shopping experience for customers. One of the digitalization innovations used to serve customer needs in the retail industry is self-service which allows customers to place orders or pay independently. Digital technology is applied to the retail sector for example self-service technology. Business fields that utilize self-service include restaurants, parking lots, gas stations, cinemas, and supermarkets, while the forms of self-service currently available and run by several retailers in Indonesia include Self Order Kiosks, Scan & Go, Scan & Shop, and Click & Collect. This study aims to analyze the application of self-service technology in the food and beverage retail industry and its relationship to increased customer satisfaction. The pre-survey was conducted by distributing questionnaires to customers who are accustomed to making transactions in food & beverage retail by using self-service services. The survey method is given to respondents to get a response to customer satisfaction. Multiple linear regression is used as an analysis and data processing tool to produce R2 of 0.80 which indicates that the completeness of supporting facilities, ease of ordering and payment, speed of service, transaction security, suitability of presentation, care and attention of employees towards customers (X1) and ease of use, visual appearance, product & price information, order efficiency, application response, and the risk of self-service technology (X2) explain customer satisfaction (Y) of 80.16%. It is hoped that the development of self-service technology can provide more detailed information, ease of use, and accuracy of the services offered.
PERAN IBU RUMAH TANGGA DALAM MENINGKATKAN KESEJAHTERAAN KELUARGA MELALUI MITRA APLIKASI CHILIBELI DI KECAMATAN PONDOK GEDE Sugeng Santoso
PANDITA : Interdisciplinary Journal of Public Affairs Vol. 4 No. 2 (2021): Juli - Desember
Publisher : Fakultas Ilmu Administrasi Universitas Krisnadwipayana Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61332/ijpa.v4i2.33

Abstract

In their daily life, the role of IRT is always associated with roles related to affairs, kitchens, wells, and mattresses. However, nowadays, according to some sections of society, the stigma of IRT has shifted to an important role in helping the welfare of the family. This role is also increasingly important during the Covid-19 pandemic which attacks many family economic problems. In overcoming the above, many strat-ups have emerged with social objectives to help the productivity of IRTs in carrying out their roles, one of which is the Chilibeli application. Chilibeli is an online shopping application for daily products such as fruit, vegetables, basic necessities, and other household needs that carries the concept of social commerce - buying and selling activities that involve social interaction between users in a community through online and offline social networks. This study uses a descriptive approach by interviewing partners or housewives who are members of chilibeli partners. Sources of data used are direct interviews with housewives who are members of Chilibeli partners located in Pondok Gede District, Bekasi City covering the villages of Jatibening, Jatibening Baru, Jaticmpaka, Jatimakmur, Jatiwaringin The various benefits that can be felt by housewives who are members of the Chilibeli partnership include: a) getting commissions and loyalty bonuses for monthly sales. b) If the company's sales target is achieved, then as a partner can get a bonus of 0.5 grams of Precious Metals (certain categories). C) can help neighbors by providing staple products that have lower prices when compared to prices in other stores. D). Can work without leaving home and children, working flexible hours.
Co-Authors Adhadi Praja ALI NURMANSYAH Ariffatchur Fauzi AUNU RAUF Bria, Deseriana Dadan Hindayana Dita Megasari Edwin Iswella Edwin Iswella Eka Wahyuningsih ELNA KARMAWATI Endang Sulistyorini Endang Sulistyorini Hendri Hermawan Husni dan Zulfanazli Pudjianto Alfian Rusdy Iwe Cahyati Megawati Megawati Nelly Mastina Gultom Nhyra Kamala Putri Nila Wardani Nirma Septia Ramlan Anjas R. Nurhidajat RAHAYU WIDYASTUTI Sandi Perdian TRI ASMIRA DAMAYANTI Wayan Winasa Widi Astuti Widi Rumini Widyantoro Cahyo Setiawan Wieke Mei Dina Wieke Mei Dina Yayuk Arsih