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All Journal Agrikultura Jurnal Hortikultura AGRIVITA, Journal of Agricultural Science Social, Humanities, and Educational Studies (SHEs): Conference Series
Budi Marwoto
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Agriculture, Biological Sciences & Forestry Education Languange, Linguistic, Communication & Media Social Sciences

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Pengendalian Kutu Kebul dan Nematoda Parasitik Secara Kultur Teknik pada Tanaman Kentang Wiwin Setiawati; Aziz Azirin Asandhi; Budi Marwoto; A Sumantri; - Hermawan
Jurnal Hortikultura Vol 15, No 4 (2005): Desember 2005
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v15n4.2005.p%p

Abstract

Bemisia tabaci dan Meloidogyne spp. merupakan OPT penting pada tanaman kentang. Pengendalian secara kultur teknik merupakan salah satu alternatif untuk mengatasi masalah OPT tersebut. Penelitian dilaksanakan di Kebun Percobaan Balai Penelitian Tanaman Sayuran Lembang sejak bulan Juni sampai dengan Nopember 2002. Tujuan penelitian adalah mengetahui efektivitas pengendalian B. tabaci dan Meloidogyne spp. secara kultur teknik pada tanaman kentang agar aman dikonsumsi dan ramah lingkungan. Percobaan menggunakan rancangan petak terpisah dengan 4 ulangan. Sebagai petak utama adalah pengelolaan tanah yang terdiri atas tanpa solarisasi dan tanpa subsoiling serta solarisasi dan subsoiling. Sebagai anak petak adalah sistem tanam, yang terdiri atas kentang monokultur, kentang–bawang daun, kentang–tagetes, dan kentang–lobak. Hasil penelitian menunjukkan bahwa pengendalian OPT secara kultur teknik (pengelolaan tanah dan sistem tanam) dapat menekan populasi OPT penting pada tanaman kentang. Tumpangsari antara kentang-bawang daun, kentang–tagetes, dan kentang–lobak dapat menekan serangan hama B. tabaci, M. persicae, P. operculella, dan T. palmi, serta nematoda Meloidogyne spp. pada tanaman kentang, sementara perlakuan subsoiling dan solarisasi serta tumpangsari antara tanaman kentang dengan tagetes dapat menekan populasi hama B. tabaci, M. persicae, P. operculella, dan T. palmi, masing–masing sebesar 46,25; 78,65; 31,48, dan 35,38%. Di samping itu, perlakuan subsoiling dan solarisasi serta tumpangsari antara tanaman kentang dengan tagetes dapat menekan populasi nematoda Meloidogyne spp. dan nematoda lainnya seperti Rotylenchulus sp, Helicotylenchus sp, Tylenchulus sp., Xiphynema sp., dan Trichodorus sp pada tanaman kentang, dengan hasil panen cukup tinggi yang berkisar antara 9,36–10,05 t/ha. Pengelolaan tanah dan penggunaan tanaman yang bersifat antagonis dan perangkap di dalam sistem tumpangsari, ternyata dapat mengurangi kepadatan populasi OPT pada tanaman kentang.Cultural practices control technique of whitefly and parasitic nematode on potato. Bemisia tabaci and Meloidogyne spp. are important pests on potato. Cultural practices are alternative control to these pests. The study was conducted at Indonesian Vegetables Research Institute (IVEGRI) from June to November 2002. The purpose of this experiment was to determine effectiveness of cultural practices control technique for B. tabaci and Meloidogyne spp. nematode which environmental and food safety concern. Split plot design was used in this experiment with 4 replications. Soil management was used as main plot, consisted of without solarization and without subsoiling; and solarization and subsoiling. Cropping system used as subplot were potato monocrop, potato–buncing onion, potato–marigold and potato–radish. The results showed that cultural practices control (soil management and cropping system) could reduce population of pests on potato. Population of pests such as B. tabaci, M. persicae, P. operculella, T. palmi, and nematode were lower on cropping system between potato–buncing onion, potato–marigold, and potato–radish. The use of subsoiling, solarization and cropping system between potato and marigold could reduce population of B. tabaci, M. persicae, P. operculella, T. palmi up to 46.25, 78.65, 31.48, and 35.38% respectively. The used of subsoiling, solarization, and cropping system between potato and marigold suppressed population of Meloidogyne spp. and other nematoda such as Rotylenchulus sp., Helicotylenchus sp., Tylenchulus sp., Xiphynema sp., and Trichodorus sp. on potato and gave the highest yield up to 9.36–10.05 t/ha compared with other treatments. Soil management and the used of antagonistic or trap crop in cropping system could effectively retard the population of pest and deseases on patato.
Evaluasi Daya Hasil dan Adaptasi Klon-klon Harapan Krisan Antoro Wasito; Budi Marwoto
Jurnal Hortikultura Vol 13, No 4 (2003): DESEMBER 2003
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v13n4.2003.p236-243

Abstract

Lima belas klon harapan krisan ditanamkan di  lokasi dengan  tinggi 700, 800, dan 1.200 m dpl  menggunakan rancangan acak kelompok dengan tiga ulangan, pada bulan Oktober 2000 sampai dengan Maret 2001. Tujuan penelitian adalah untuk memperoleh klon-klon krisan yang berdaya hasil tinggi untuk persiapan pelepasan varietas baru.   Luaran yang diharapkan adalah lima klon krisan yang berdaya hasil tinggi dan adaptif terhadap kondisi lingkungan di sentra-sentra produksi krisan. Hasil penelitian mendapatkan lima klon krisan no. 49, 26, 4, 21, dan 29 yang adaptif dan berdaya hasil tinggi yang selanjutnya dapat direkomendasikan untuk pelepasan varietas baru. Kata kunci:  Chrysanthemum morifolium; Klon harapan; Daya hasil; Adaptasi ABSTRACT. Fiveteen promising clones of chrysanthemum were planted at three locations with eleva- tion 700, 900, and 1,200 m. above sea level. A randomized design with three replications, and conducted from October 2000 to March 2001. The objective of this experiments was to evaluate the potential yield and adaptation of breeder promising clones related to selection method on chrysanthemum breeding program for releasing varieties. The results showed that five clones of chrysanthemum no. 49, 26, 4, 21, dan 29 possesed superior characteristics i.e high yielding potential and adaptive that should be recommended for releasing varieties.
Evaluasi Daya Hasil dan Adaptasi Klon- klon Harapan Krisan Antoro Wasito; Budi Marwoto
Jurnal Hortikultura Vol 13, No 3 (2003): SEPTEMBER 2003
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v13n3.2003.p1-6

Abstract

Lima belas klon harapan krisan ditanamkan di lokasi dengan tinggi 700 , 800 , dan 1.200 m di atas permukaan laut menggunakan rancangan acak kelompok dengan tiga ulangan, pada bulan Oktober 2000 sampai dengan Maret 2001. Tujuan penelitian adalah untuk memperoleh klon-klon krisan yang berdaya hasil tinggi untuk persiapan pelepasan varietas baru. Luaran yang diharapkan adalah lima klon krisan yang berdaya hasil tinggi dan adaptif terhadap kondisi lingkungan di sentra-sentra produksi krisan. Hasil penelitian mendapatkan lima klon krisan yang adaptif dan berdaya hasil tinggi yang selanjutnya dapat direkomendasikan untuk pelepasan varietas baru. Kata kunci; Krisan; Klon harapan; Daya hasil; Adaptasi ABSTRACT. Fiveteen promising clones of chrysanthemum were planted at three locations with eleva- tion 700, 900, and 1,200 m. above sea level. A randomized design with three replications, and conducted from October 2000 to March 2001. The objective of this experiments was to evaluate the potential yield and adaptation of breeder promising clones related to selection method on chrysanthemum breeding program for releasing varieties. The results showed that five clones of chrysanthemum possesed superior characteristics i.e high yielding potential and adaptive that should be recommended for releasing varieties.
Formulasi Biopestisida Berbahan Aktif Bacillus subtilis, Pseudomonas fluorescens, dan Corynebacterium sp. Nonpatogenik untuk Mengendalikan Penyakit Karat pada Krisan Hanudin Hanudin; Wakiah Nuryani; Evi Silvia; Ika Djatnika; Budi Marwoto
Jurnal Hortikultura Vol 20, No 3 (2010): September 2010
Publisher : Indonesian Center for Horticulture Research and Development

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jhort.v20n3.2010.p%p

Abstract

ABSTRAK. Karat putih yang disebabkan oleh Puccinia horiana merupakan salah satu penyakit pada krisan yangdapat menimbulkan kehilangan hasil sampai 100% . Selama ini untuk mengendalikan patogen tersebut, petani seringmenggunakan pestisida kimiawi. Hal tersebut sangat mengkhawatirkan mengingat penggunaan fungisida sintetiksecara berlebihan dapat mencemari lingkungan yang membahayakan bagi kehidupan makhluk hidup. Oleh karenaitu, cara pengendalian alternatif yang efektif dan aman bagi lingkungan diperlukan untuk mengendalikan penyakitkarat putih pada krisan. Salah satu alternatif cara pengendalian penyakit karat yaitu dengan mengaplikasikanbiopestisida yang ramah lingkungan. Penelitian dilakukan di laboratorium, rumah kaca, dan rumah plastik KebunPercobaan Balai Penelitian Tanaman Hias (1.100 m dpl), pada bulan April 2009 sampai Februari 2010. Tiga spesiesbakteri antagonis sebagai bahan aktif biopestisida (Bacillus subtilis Cs 1a, Corynebacterium sp.1, dan Pseudomonasflurescens 3 Sm) dan bahan pembawa (campuran antara ekstrak kascing, molase, gula pasir, dan atau kentang),masing-masing diformulasi dalam 12 jenis formula biopestisida cair. Formulasi biopestisida difermentasikan selama3 minggu dalam keadaan aerobik menggunakan biofermentor. Viabilitas bahan aktif dalam bahan pembawa diujisetiap bulan, yaitu pada periode sebelum dan sesudah fermentasi. Hasil penelitian menunjukkan bahwa populasi bahanaktif setelah difermentasi selama 3 minggu selalu meningkat, populasi bahan aktif sebelum fermentasi sejumlah 105cfu/ml meningkat menjadi 106-7 cfu/ml. Dua bulan setelah fermentasi, populasi bahan aktif biopestisida masih tetaptinggi yaitu berkisar antara 106-11 cfu/ml. Perlakuan ekstrak kascing + gula pasir + B. subtilis + P. fluorescens +Corynebacterium pada tingkat konsentrasi 0,3% merupakan perlakuan terbaik. Disamping dapat menekan intensitasserangan P. horiana (38,49%), formulasi biopestisida tersebut juga dapat menaikkan hasil panen bunga krisan layakjual sebanyak 14,58%.ABSTRACT. Hanudin, W. Nuryani, E. Silvia, I. Djatnika, and B. Marwoto. 2010. Formulation of BiopesticideContaining Bacilllus subtilis, Pseudomonas fluorescens, and Corynebacterium sp. for Controlling WhiteRust Disease on Chrysanthemum. White rust caused by Puccinia horiana is one of the contagious diseases ofchrysanthemum that is able to cause yield losses up to 100%. Chemical synthetic fungicides have been used tocontrol the disease. Because of harmful effects of the synthetic fungicides, the other alternative measure to controlthe disease have to be developed in order to support the sustainable farming system. One of the recommended controlmeasures is the application of biopesticide which is environmentaly friendly. The experiments were conducted inthe laboratory, glasshouse, and plastichouse of Indonesia Ornamental Crops Research Institute (1,100 m asl), fromApril 2009–February 2010. Three candidates of biocontrol agents, i.e. B. subtilis Cs 1a, Corynebacterium sp.1, andP. fluorescens 3 Sm, were formulated with organic basal medium made from fermented worm manure, molasses,sugar, and or potatoes extracts. Twelve formulations were tested for their effectiveness to control the disease in thefield. The viability of the biocontrol agents in the formulations was monthly tested before and after fermentationprocess during storage. Population of the biocontrol agents, after fermentation for 3 weeks was increased from 105to 106-7 cfu/ml. Two months after fermentation the population of the biocontrol agents was still high (106-11 cfu/ml).The results showed that the formulation of vermicompost + sugar + B. subtilis + P. fluorescens + Corynebacteriumat the concentration level of 0.3%, was proven to be the best treatment. The treatment was effective to supress whiterust up to 38.49%, and could also increase the yield of marketable chrysanthemum flowers up to 14.58%.
Application of PGPR and Antagonist Fungi-based Biofungicide for White Rust Disease Control and Its Economyc Analysis in Chrysanthemum Production Hanudin Hanudin; Kurniawan Budiarto; Budi Marwoto
AGRIVITA, Journal of Agricultural Science Vol 39, No 3 (2017): OCTOBER
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v39i3.1326

Abstract

Plant growth promoting rhizobacteria (PGPR) application in combination with other antagonist microbes as biopesticide have been considered in many crops. Our research was conducted to evaluate the efficacy of these useful combinations with the carrying agent for growth promotion, thus lowering white rust incidence in chrysanthemum production. The experiment was carried out at three cooperative farmer sites located in Cipanas, Cianjur, West Java, Indonesia from January to December 2016. The production process was arranged in a paired treatment; a combination of PGPR and antagonist fungi (without supplemental chemical fertilizers and fungicide), furtherly called biofungicide and common farmer practices. The results showed that the application of biofungicide promoted equal plant growth quality as common practices. White rust incidency was lower at biofungicide treatment sites, thus increased the markertable flowers quantity. The production cost was considered more efficient in biofungicide sites, due to cheaper price of biofungicide than chemical fertilizers and fungicide. The increase of marketable stalks and cost efficiency led to an increase of net income of biofungicide-based production as also viewed from higher Revenue Cost Ratio (R/C) than common farmer practices.
Improving Understanding of Students' Concept of Low Students in Materials of Operating Number Multiplication and Distribution ff Fractions Using NHT (Number Head Together) Model in Class 5 SD Negeri 1 Sambongbangi Academic Year 2021/2022 Budi Marwoto
Social, Humanities, and Educational Studies (SHES): Conference Series Vol 4 (2021): Social, Humanities, and Educational Studies (SHEs): Conference Series (Special Issue 1
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.667 KB) | DOI: 10.20961/shes.v4i5.66051

Abstract

Penelitian ini bertujuan untuk meningkatkan hasil belajar Matematika materi perkalian dan pembagian pecahan pada siswa kelas V SD Negeri 1 Sambongbangi tahun ajaran 2019/2020. Penelitian ini merupakan penelitian tindakan kelas (PTK) dua siklus. Subjek penelitian ini adalah siswa kelas V SD Negeri 1 Sambongbangi tahun 2021/2022 yang terdiri dari 15 siswa. Metode yang akan digunakan dalam pembelajaran ini adalah ceramah, demonstrasi, diskusi kelompok, dan penugasan. Hasil penelitian ini menunjukkan bahwa model dapat meningkatkan hasil belajar Matematika materi perkalian dan pembagian pada siswa kelas V SD Negeri 1 Sambongbangi. Persentase ketuntasan hasil belajar siswa pada siklus I sebesar 79,25% dan siklus II sebesar 91,47%. Jadi, model NHT (Number Head Together) dapat digunakan sebagai salah satu alternatif untuk meningkatkan hasil belajar Matematika.
Co-Authors - Hanudin - Hermawan A Purwito A Sumantri Agus Muharam Andang Purnama Antoro Wasito Aziz Azirin Asandhi Bagus Kukuh Budiarto Budi Winarto D Sukma Dyah Widiastoety Evi Silfia Yusuf Evi Silvia Evi Silvia Yusuf G A Watimena Hanudin - Hanudin Hanudin Hersanti - Ika Djatnika Kurniawan Budiarto N A Mattjik Oni Setiani Gunawan Rian Triyanti Rupendi Silfia Yusuf Suskandari Kartikaningrum Wakiah Nuryani Waqiah Nuryani Wiwin Setiawati