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All Journal Jurnal Ilmu Pertanian Indonesia Jurnal Fitopatologi Indonesia Jurnal Silvikultur Tropika (JST) Jurnal Ilmu Lingkungan Saintia Matematika Microbiology Indonesia Journal of Mathematics Education and Application (JMEA) Agrovigor: Jurnal Agroekoteknologi Jurnal Penelitian Tanaman Industri Jurnal Tanaman Industri dan Penyegar Techno: Jurnal Penelitian Pelita Perkebunan AGRIVITA, Journal of Agricultural Science Gontor AGROTECH Science Journal Jurnal Perlindungan Tanaman Indonesia Jurnal Penelitian Karet Journal TABARO Agriculture Science Abdimas Talenta : Jurnal Pengabdian Kepada Masyarakat PENDIPA Journal of Science Education AGROSAINSTEK: Jurnal Ilmu dan Teknologi Pertanian Menara Perkebunan MES: Journal of Mathematics Education and Science Budimas : Jurnal Pengabdian Masyarakat Jurnal Penelitian Tanaman Industri (Littri) Journal of Research in Mathematics Trends and Technology Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi
Abdul Munif
Department Of Plant Protection, Bogor Agricultural University (IPB), Jl. Kamper Kampus IPB Darmaga, Bogor, Indonesia 16680
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Cultivation of Pleurotus Environtmental Friendly by Recycling Substrate Waste of Fungus and Organic Fertilizer Addition KULTIVASI JAMUR Pleurotus RAMAH LINGKUNGAN DENGAN MENDAUR ULANG LIMBAH SUBSTRAT JAMUR DAN PENAMBAHAN PUPUK ORGANIK Elis Nina Herliyana; Mira Febrianti; Abdul Munif; Hanifah Nuryani Lioe
Jurnal Silvikultur Tropika Vol. 6 No. 1 (2015): Jurnal Silvikultur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.6.1.%p

Abstract

White mushroom or Pleurotus ostreatus (Jacq:Fr) Kummer is one of wearthered wood that commonly found in nature. Some kinds of wood fungi, included white mushroom have been generally marketed in fresh form or in its cultivation such fungi chips. Substrate that commonly used for development of mushroom culture is saw powder of sengon wood. The more the cultivation of fungus and waste of the substrate is a lot of wasted, while its waste still has nutrition that can be recycled and reused for culturing mushroom, so that will be ecosystem friendly. The aim of this study is to learn about effect of application substrate waste of mushroom and addition of organic fertilizer on yield of white mushroom culture. Stages on this study are the making of substrate, spawning, maintenance and observation of fungus development, and analysis of chemical composition. Conducted observations are growth vegetative phase and reproductive phase, morphological character of body fruit, and result of chemical composition analysis of white mushroom body fruit. Medium composition 75% waste of mushroom substrate are mixed with 25% new substrate, showed the good growth and good yields. Addition of liquid organic fertilizer [0.2%] and [0.5%] gave the good yields. Moreover, medium and genetic factors, environmentral factor specially temperature and moisture really affected growth and the yields of white oyster mushroom.Key words: fungus culture, mushroom, Pleurotus, liquid organic fertilizer,
Identifikasi Cendawan Patogen Penyebab Penyakit pada Daun Jabon Merah (Anthocephalus macrophyllus (Roxb.) Havil) Elis Nina Herliyana; Liza Sakbani; Yeni Herdiyeni; Abdul Munif
Jurnal Silvikultur Tropika Vol. 11 No. 3 (2020): Jurnal Silvikutur Tropika
Publisher : Departemen Silvikultur, Fakultas Kehutanan dan Lingkungan, Institut Pertanian Bogor (IPB)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/j-siltrop.11.3.154-162

Abstract

Red Jabon (Anthocephalus macrophyllus (Roxb.) Havil) is a forest plant that can replace sengon (Falcataria moluccana) because it has advantages. The demand for red jabon wood is increasing, but the cultivation of red jabon is still constrained by the attack of pathogens that cause leaf disease. The attack of these pathogens can cause damage and death of seedlings so that it can be economically detrimental. The aim of this study was to identify the pathogens that cause disease in red Jabon. The method used is the Postulate Koch method, which starts from sampling red leaves with leaf disease symptoms, isolation, inoculation and analysis of disease incidence, re-isolation, and identification. Based on the identification results found as many as 2 pathogenic fungi that cause leaf spot disease, namely Pestalotia sp. and Rhizoctonia sp. In addition, 6 pathogenic fungi were found that cause blight, namely Lasiodiplodia theobromae, Fusarium sp., Colletrotrichum sp., Marssonina sp., Gloeosporium sp. 1, Gloeosporium sp. 2. Keywords: identification, percentage of disease incidence, Postulat Koch, red jabon
Nematoda Parasit pada Seledri (Apium Graveolens L.) dan Pengendaliannya Menggunakan Bakteri Endofit Secara In Vitro Fitrianingrum Kurniawati; Neng Tipa Nursipa; Abdul Munif
Agrovigor Vol 13, No 1 (2020): Maret
Publisher : Universitas Trunojoyo Madura

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (585.242 KB) | DOI: 10.21107/agrovigor.v13i1.6304

Abstract

Nematoda puru akar (Meloidogyne spp.) merupakan salah satu patogen penyebab penyakit pada seledri. Pengendalian nematoda puru akar menggunakan bakteri endofit merupakan salah satu alternatif pengendalian yang dapat dipertimbangkan. Tujuan dari penelitian ini mengidentifikasi nematoda puru akar yang berasosiasi dengan tanaman seledri di Desa Cikole, Cihideung, dan Ciputri serta pengendaliannya menggunakan bakteri endofit. Ekstraksi nematoda menggunakan metode flotasi-sentrifugasi dan pengabutan. Identifikasi nematoda berdasarkan karakteristik morfologi, dan karakter pola perineal nematoda betina. Bakteri endofit diisolasi dari tanaman kenikir. Bakteri endofit yang didapatkan selanjutnya di uji hipersensitif, uji aktivitas hemolisis dan uji in vitro. Empat spesies nematoda puru akar, yaitu M. incognita, M. arenaria, M. javanica dan M. hapla teridentifikasi berdasarkan karakter pola perineal. Sebanyak 11 isolat menunjukkan reaksi negatif uji hipersensitif dan uji aktivitas hemolisis. Isolat dengan kode EB45, EB48, EB28, EB13, EB49 merupakan isolat dengan jumlah mortalitas nematoda terbanyak dengan persentase berturut-turut 53,74%, 51,41%, 49,45%, 47,71%, dan 47,69% pada 12 jam setelah perlakuan pada uji in vitro.
PENERAPAN TEORI PERMAINAN DALAM STRATEGI PEMASARAN PRODUK BAN SEPEDA MOTOR DI FMIPA USU Charles Simamora; Elly Rosmaini; Normalina Napitupulu
Saintia Matematika Vol 1, No 2 (2013): Saintia Matematika Maret 2013
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (134.774 KB)

Abstract

Game Theory is a mathematical model that is used in situations of conflict or competition between the various interests face each other as competitors. The goal is to obtain the optimal strategy for each player. In game theory, there are two types of optimal strategies, the pure strategy and mixed strategy. The author use linear programming to obtain the optimal mixed strategy and use QM 2.0 to solve linear programming problems. In this research, the author apply game theory in competition motorcycle tire, the IRC, Federal, and Swallow. The research was conducted at the Faculty of Mathematics and Natural Sciences and using primary data. In other words, this research produced the preferences and perceptions of consumers for each tires.
PERAMALAN PEMAKAIAN ENERGI LISTRIK DI MEDAN DENGAN METODE ARIMA John Putra S Tampubolon; Normalina Napitupulu; Asima Manurung
Saintia Matematika Vol 2, No 1 (2014): Saintia Matematika Januari 2014
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (945.041 KB)

Abstract

Dalam skripsi ini dilakukan peramalan Pemakaian Energi Listrik denganmenggunakan model ARIMA. Langkah pertama peramalan pemakaian energilistrik menggunakan metode deret berkala ARIMA. Langkah yang kedua yaitu menghasilkandata stasioner dan mengidentifikasi adanya faktor musiman dengan memplotdata dan autokorelasi dan autokorelasi residual setiap lag. Langkah ketigaadalah menentukan nilai orde model ARIMA sekaligus menjadikan model sementaradalam hal ini diperoleh model yang tepat adalah ARIMA (0, 1, 1)(1, 1, 1)12.Langkah ke empat adalah melakukan uji ketepatan model dengan uji residual, ujistatistik portmanteau dan overfitting model. Langkah terakhir adalah melakukanperamalan. Model peramalan pemakaian energi listrik diselesaikan dengan bantuansoftware minitab 16.0 sehingga di hasilkan peramalan hasil produksi aluminiumbatangan untuk 12 periode adalah Oktober 2012 : 281.729.975 kwh, November 2012: 278.681.405 kwh, Desember 2012 : 282.132.144 kwh, Januari 2013 : 247.835.406kwh, Februari 2013 : 232.297.702 kwh, Maret 2013 : 268.232.979 kwh, April 2013 :258.892.773 kwh, Mei 2013 : 279.447.958 kwh, Juni 2013 : 278.641.762, Juli 2013: 283.377.080 kwh, Agustus 2013 : 278.587.369 kwh, September 2013 : 266.888.954kwh.
ANALISIS FAKTOR YANG MEMPENGARUHI KUNJUNGAN MASYARAKAT KOTA MEDAN KE PERPUSTAKAAN UMUM KOTA MEDAN Togu P Marpaung; Normalina Napitupulu; Rachmad Sitepu
Saintia Matematika Vol 2, No 3 (2014): Saintia Matematika Mei 2014
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (95.785 KB)

Abstract

Analisis faktor merupakan suatu teknik statistika multivariat yang digunakanuntuk mereduksi/meringkas data, dari variabel yang banyak diubah menjadisedikit variabel. Penelitian ini merupakan Analisis Faktor untuk mengetahui apasaja faktor-faktor yang dominan yang mempengaruhi kunjungan masyarakat kotaMedan ke Perpustakaan Umum Kota Medan dan masyarakat kota Medan selakuresponden dalam penelitian ini. Berdasarkan hasil penelitian diperoleh 3 faktoryang dominan yang dapat mempengaruhi kunjungan masyarakat kota Medan kePerpustakaan Umum Kota Medan yaitu faktor kelengakapan koleksi buku perpustakaan(34,660%), faktor kelengakapan fasilitas perpustakaan (23,107%), faktorletak strategis perpustakaan (15,704%). Ketiga faktor tersebut memberikan proporsikeragaman kumulatif sebesar 73,458% artinya ketiga faktor tersebut dapatmempengaruhi kunjungan masyarakat kota Medan ke Perpustakaan Umum KotaMedan sebesar 73,458% dan sisanya dapat dipengaruhi faktor-faktor lainnya yangtidak teridentifikasi oleh model penelitian.
APLIKASI METODE TRANSPORTASI DALAM OPTIMASI BIAYA DISTRIBUSI BERAS MISKIN (RASKIN) PADA PERUM BULOG SUB DIVRE MEDAN Lolyta Damora Simbolon; Marihat Situmorang; Normalina Napitupulu
Saintia Matematika Vol 2, No 3 (2014): Saintia Matematika Mei 2014
Publisher : Universitas Sumatera Utara

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Abstract

Metode Transportasi adalah suatu metode yang dapat digunakan untuk menentukan pengalokasian barang yang paling efektif dari suatu sumber ke suatu tujuan tertentu dengan biaya yang seminimal mungkin. Penelitian ini dilakukan pada Perum BULOG Sub Divre Medan yang merupakan lembaga pelaksana program beras miskin (RASKIN) untuk beberapa kabupaten dan kota di Sumatra Utara. RASKIN adalah suatu program pendistribusian beras kepada masyarakat miskin dengan tujuan untuk meningkatkan ketahanan pangan yang dimulai dari skala rumah tangga. Penelitian ini bertujuan untuk mengetahui apakah metode transportasi dapat memberi penghematan atau efisiensi biaya distribusi RASKIN. Metode yang digunakan pada penelitian ini terdiri dari Metode Pendekatan Vogel (VAM) untuk menganalisa solusi fisibel awal; Modified Distribution (MODI) untuk menganalisa solusi optimum, Dari perhitungan dengan metode transportasi diperoleh biaya optimum yang lebih rendah dari perhitungan perusahaan, atau dengan kata lain aplikasi metode transportasi dapat menghemat biaya distribusi RASKIN pada Perum BULOG Sub Divre Medan.
PENERAPAN ANALISIS KONJOIN PREFERENSI MAHASISWA TERHADAP PEKERJAAN (Studi Kasus : Mahasiswa S1 FMIPA USU) Wiwit Widyawati; Rachmad Sitepu; Normalina Napitupulu
Saintia Matematika Vol 2, No 2 (2014): Saintia Matematika Maret 2014
Publisher : Universitas Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (120.27 KB)

Abstract

Analisis konjoin merupakan salah satu teknik analisis multivariat yang digunakan unutk mengetahui preferensi/ketertarikan responden terhadap suatu produk baik barang atau jasa dengan cara mengkobinasikan jumlah nilai dari masing-masing atribut yang terpisah. Tujuan dari penelitian ini adalah untuk menganalisis preferensi mahasiswa terhadap pekerjaan dengan menggunakan analisis konjoin. Penelitian ini membandingkan 2 metode dalam analisis konjoin, yaitu : Metode 1 (Full Profile dengan cara merating) dan metode 2 (Pairwise Comparison dengan cara merangking). Terdapat 93 orang mahasiswa FMIPA USU yang dipilih sebagai sampel dengan menggunakan proportional stratifed sampling method. Hasil penglohan analisis konjoin pada penelitian ini diperoleh bahwa preferensi mahasiswa terhadap pekerjaan dengan metode
Survey of Rice Pests, Diseases and Natural Enemies on “Upsus” Program in Karawang District, West Java Province Kurniawan Effendi; Abdul Munif; I Wayan Winasa
Jurnal Perlindungan Tanaman Indonesia Vol 24, No 1 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.50365

Abstract

"Upsus" (Special Efforts) Program is a program to increase crop production and productivity to support the acceleration of food self-sufficiency held by the government. The targets are to increase the planting index (IP) by 0.5 and productivity by 0.3 ton/ha/Harvested Dry Grain (HDG). Increased productivity has not been reached optimally. This research aimed to determine the number/types of the dominant pests and natural enemies, and pests and diseases attack rates in the wetland rice plantation "Upsus" Program in Karawang District. Direct observation was carried out on four stages of plant development, in the nursery stage (10–14 days after sowing) 200–300 m², seedlings stage (10–20 days after planting), vegetative stage (5–6 weeks after planting), and reproductive stage (1–2 weeks after flowering) respectively within an area of 2000 m². Twenty samples were observed in the nursery stage and 50 samples in the following stages. The dominant pests and diseases found were Nilaparvata lugens, Leptocarisa oratorius, Schirpophaga incertulas, Cnaphalocrocis medinalis, Scotinophara coarctata, Mythimna separata, bacterial leaf blight (Xanthomonas. oryzae pv. oryzae), blast (Pyricularia grisea) and narrow brown spot (Cercospora oryzae). The recorded dominant natural enemies were Cyrtorhinus sp., Paederus sp., Tetragnatha sp., and Pardosa pseudoannulata. S. incertulas showed the highest attack intensity and the highest disease severity was found in bacterial leaf blight. The largest population of dominant pests and natural enemies was found in the generative stage. The high application of pesticides affected the population of pests, natural enemies, and the level of pest and disease attacks.
Keefektifan Bakteri Endofit untuk Mengendalikan Nematoda Parasit Meloidogyne Incognita pada Tanaman Lada Abdul Munif; Rita Harni
Jurnal Tanaman Industri dan Penyegar Vol 2, No 3 (2011): Buletin Riset Tanaman Rempah dan Aneka Tanaman Industri
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

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Abstract

The utilization of biological agents for controlling plant diseases was increased along with the hazards of pesticide use and awareness on the environmental friendly farming. The objective of this study was to determine the effect of endophytic bacteria on yellow diseases on pepper caused by plant parasitic nematodes Meloidogyne incognita. Endophytic bacteria that used in this study were isolated from roots of black pepper plants and some of selected endophytic bacteria collection from  Department of Plant Protection, IPB and Research Institute for Spice and Industrial Crops. The results showed that some endophytic bacteria are able to promote the growth of pepper seedlings and also reduce the root gall caused by Meloidogyne spp and juveniles of nematodes in the soil up to 90% and increase the  growth of pepper plants.
Co-Authors Abdjad Asih Nawangsih Ade Maulana Agus PURWANTARA Akhmad Rizali ALI NURMANSYAH Alina Akhdiya Amanda, Dila Andika Akbarul Iman Andini Hanif Ankardiansyah Pandu Pradana Ankardiansyah Pandu Pradana Arif Ravi Wibowo Asima Manurung Ayu Dhisa Faradiba Siregar Bonny Poernomo Wahyu Soekarno Bonny PW Soekarno Chandra, Wenripin Charles Simamora Cici Indriani Dalimunthe Dede Setiadi Deden Dewantara ERIS Desmon Gunadi Siagian Diana Putri Didy Sopandie DWI ANDREAS SANTOSA Dwi Halimah dwi halimah Efi Toding Tondok Elis Nina Herliyana Elly Rosmaini Ely Lailatul Maghfiroh Ely Lailatul Maghfiroh Endah Retno Palupi Erwin Eryna Elfasari Rangkuti Fitrianingrum Kurniawati, Fitrianingrum Gede Suastika Giyanto Giyanto Giyanto Giyanto GUSMAINI GUSMAINI Gusmaini Gusmaini Hanifah Nuryani Lioe HARNI, RITA Hasudungan, Raju I Wayan Winasa IBNUL QAYIM IKA MUSTIKA Irwanto Sucipto ISKANDAR ZULKARNAEN SIREGAR isnainy dinul Mursyalatiyus Iswandi Anas Chaniago Ita Sulistiawati JOHANNES HALLMANN John Putra S Tampubolon Jonathan Liviera Marpaung Joni Kartika Kartika Katrin Jenny Sirait Kholil Ma’ruf Kikin H Mutaqin Kristiana kristiana Kurniawan Effendi Kurniawan Effendi Kusumah, Yayi Munara Liza Sakbani Marbun, James Piter Marihat Situmorang Marpaung, J.L. Marpaung, TJ Mira Febrianti Mochamad Yadi Nurjayadi Mochamad Yadi Nurjayadi Mohamad Rahmad Suhartanto Mohammad Yadi Nurjayadi Muhammad Firdaus Oktafiyanto MUSTIKA, IKA Nababan, Esther Sorta Mauli Nela Zahara Nela Zahara Neng Tipa Nursipa Niken Nur Kasim Nurliani Bermawie NURLIANI BERMAWIE Parapat Gultom Pradana Pandu Ankardiansyah Prayogo Probo Asmoro Putri Diana Rachmad Sitepu Ramdan, Evan Purnama Reni Rinika resky wulandari r jahuddin RICHARD A SIKORA RITA HARNI Rita Harni Rita Harni Rizky Mailani Rahman Robin Roedhy Poerwanto Sandra Arifin Aziz Satriyas Ilyas Siagian, Riris Regita Cahyani Simbolon, Lolyta Damora Sirimavo, Yana Siringoringo, Yan Batara Putra Siswanto siswanto Sitanggang, Fetrisia Ayu Ashari Supramana Surono Surono Suryo Wiyono Suwarno . Syahputra, Muhammad Romi Syahputra, Razak Kurnia Syaiful Anwar Sylvia, Bebby Tatit Sastrini Togu P Marpaung Umi Hidayati Waruwu, Arifda Ayu Swastini Widi Amaria Widya Sari Winnugroho Wiratman, Manfaluthy Hakim, Tiara Aninditha, Aru W. Sudoyo, Joedo Prihartono Yadi Suryadi Yudhistira Adhitya Pratama Yudiyanto Yudiyanto Zahedi