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All Journal Agrotek Jurnal Ilmu-Ilmu Pertanian Indonesia Plantropica: Journal of Agricultural Science Journal of Agro Complex Jurnal Bina Praja Agrosains: Jurnal Penelitian Agronomi Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Buletin Anatomi dan Fisiologi (Bulletin of Anatomy and Physiology) JURNAL AGROHITA Agroteknika Jurnal Agroplasma AGROTEK: Jurnal Ilmiah Ilmu Pertanian PERTANIAN TROPIK
Kristanto, Budi Adi
Department Of Agroecotechnology, Faculty Of Animal And Agricultural Science, Diponegoro University, Semarang, Central Java, Indonesia.
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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Penuaan Daun, Kandungan Klorofil Daun dan Hasil Biji Sorgum Manis (Sorghum bicolor (L.) Moench) di Bawah Kondisi Cekaman Kekeringan Kristanto, Budi Adi
Agro-UPY Vol 7, No 1 (2015): Agro-UPY
Publisher : Prodi Agroteknologi, Fakultas Pertanian, Universitas PGRI Yogyakarta

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Abstract

INTISARI   Cekaman kekeringan adalah salah satu cekaman abiotik utama di bidang pertanian yang mempengaruhi proses fisiologi dan hasil panen.Penelitian ini dilakukan untuk mengetahui pengaruh cekaman kekeringan padakarakteristik kandungan klorofil, fotosintesis, penuaan daun dan hasil dalam empat kultivar sorgum manis (Sorghum bicolor (L.) Moench).Penelitian dilkakukan di dalam rumah kaca Laboratorium Fisiologi dan Pemuliaan Tanaman, Program Studi Agroekoteknologi, Jurusan Pertanian, Fakultas Peternakan dan Pertanian Universitas Diponegoro. Percobaan pot dengan dua rezim irigasi dilakukan dalam rancangan acak lengkap pola faktorial dengan tiga ulangan. Empat kultivar sorgum manis yaitu Sorgama 5, Langkaketo, Kotabun dan Numbu diperlakukan cekaman kekeringan. Perlakuan cekaman kekeringan melalui pendekatan selang waktu penyiraman, yaitu 5 dan 20 hari, sehingga diperoleh lengas tanah sebesar 39,83 dan 22,82% atau 92,75 dan 53,12 % kapasitas lapang, setiap saat sebelum penyiraman berikutnya. Parameter stabilitas membran sel ditentukan berdasarkan prosedur Sairam et al. (1997), kebocoran elektrolit ditentukan berdasarkan prosedur Valentovic et al. (2006) yang dimodifikasi. Kandungan klorofil daun ditentukan berdasarkan metode spektrometri menurut prosedur Arnon (1949), laju penuaan daun dihitung dengan menggunakan metode Dwyer et al. (1991) yang dimodifikasi. Berat daun spesifik dihitung dengan menggunakan metode Pearce et al. (1968). Hasil penelitian menunjukkan bahwa cekaman kekeringan menyebabkan penurunan stabilitas membran sel daun, kandungan klorofil daun, stabilitas klorofil daun, laju fotosintesis, kebutuhan air, biomasa tajuk, hasil biji, berat 1000 biji dan efisiensi penggunaan air, namun meningkatkan kebocoran elektrolit membran sel daun dan laju penuaan daun empat kultivar sorgum manis. Kharakter fisiologis yang diamati dapat dipergunakan sebagai penanda ketahanan kekeringan. Sorgama 5 dan Langkaketo merupakan kultivar tahan kekeringan serta kotabun dan numbu merupakan kultivar rentan kekeringan. Kata kunci: Cekaman kekeringan, penuaan daun, klorofil, hasil biji, sorgum manis.
Penuaan Daun, Kandungan Klorofil Daun dan Hasil Biji Sorgum Manis (Sorghum bicolor L. Moench) di Bawah Kondisi Cekaman Kekeringan Kristanto, Budi Adi; Indradewa, Didik; Ma'as, Azwar; Sutrisno, R. Djoko
Agro-UPY Vol 6, No 1 (2014): Agro-UPY
Publisher : Prodi Agroteknologi, Fakultas Pertanian, Universitas PGRI Yogyakarta

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Abstract

Intisari Cekaman kekeringan adalah salah satu cekaman abiotik utama di bidang pertanian yang mempengaruhi proses fisiologi dan hasil panen.Penelitian ini dilakukan untuk mengetahui pengaruh cekaman kekeringan padakarakteristik kandungan klorofil, fotosintesis, penuaan daun dan hasil dalam empat kultivar sorgum manis (Sorghum bicolor L. Moench).Penelitian dilkakukan di dalam rumah kaca Laboratorium Fisiologi dan Pemuliaan Tanaman, Program Studi Agroekoteknologi, Jurusan Pertanian, Fakultas Peternakan dan Pertanian Universitas Diponegoro. Percobaan pot dengan dua rezim irigasi dilakukan dalam rancangan acak lengkap pola faktorial dengantiga ulangan. Empat kultivar sorgum manis yaitu Sorgama5, langkaketo, kotabun dan numbu diperlakukan cekaman kekeringan. Perlakuan cekaman kekeringan melalui pendekatan selang waktu penyiraman, yaitu 5 dan 20 hari, sehingga diperoleh lengas tanah  sebesar 39,83 dan 22,82%  atau 92,75 dan 53,12% kapasitas lapang, setiap saat sebelum penyiraman berikutnya. Parameter stabilitas membran sel ditentukan berdasarkan prosedur Sairam et al. (1997), kebocoran elektrolit ditentukan berdasarkan prosedur Valentovic et al. (2006) yang dimodifikasi. Kandungan klorofil daun ditentukan berdasarkan metode spektrometri menurut prosedur Arnon (1949), laju penuaan daun dihitung dengan menggunakan metode Dwyer et al. (1991) yang dimodifikasi. Berat daun spesifik dihitung dengan menggunakan metode Pearce et al. (1968). Hasil penelitian menunjukkan bahwa cekaman kekeringan menyebabkan penurunan stabilitas membran sel daun, kandungan klorofil daun, stabilitas klorofil daun, laju fotosintesis, kebutuhan air,  biomasa tajuk,  hasil biji, berat 1000 biji dan efisiensi penggunaan air, namun meningkatkan kebocoran elektrolit membran sel daun dan laju penuaan daun empat kultivar sorgum manis. Karakter fisiologis yang diamati dapat dipergunakan sebagai penanda ketahanan kekeringan. Sorgama 5 dan langkaketo merupakan kultivar tahan kekeringan serta kotabun dan numbu merupakan kultivar rentan kekeringan. Kata kunci: cekaman kekeringan, penuaan daun, klorofil, hasil biji, sorgum manis.
Evaluasi terhadap Program Agropolitan di Jawa Tengah Alfina Handayani; Rachman Jamal; Komalawati; Budi Adi Kristanto
Jurnal Bina Praja Vol. 13 No. 1 (2021)
Publisher : Research and Development Agency Ministry of Home Affairs

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21787/jbp.13.2021.105-123

Abstract

Agropolitan has been considered a solution for minimizing urbanization and creating equitable development between rural and urban areas. It has been one of the programs mentioned in the spatial planning agendas of the Government of Central Java. In Central Java, agropolitan has been started in 2002 and has left many problems related to the implementation. The objective of this study is to evaluate the implementation of agropolitan in Central Java. The research was conducted from April to October 2019. This study uses purposive sampling in determining the sample of the performance of the agribusiness sub-terminal at that location. The research started by completing pre-surveys to gain a brief description of the study areas and agropolitan program. The research collected in-depth information about the agropolitan program through focus group discussions and in-depth interviews with farmer respondents, traders, and officers involved in agropolitan activities. Data were analyzed using scoring factors and descriptive qualitative. The results showed that in terms of projects, the implementation of agropolitan activities was in a GOOD category, but it was in the MEDIUM category in terms of sustainability. Furthermore, lack of community involvement, support from local government, the unavailability of an exit strategy, and the inflexibility of STAs to sell different commodities were some problems encountered in the implementation and sustainability of the program. As agropolitan is still one of the priorities of the Central Java Government, it is recommended to involve all stakeholders in the whole stages of the program from planning to evaluation, optimize or reactivate the Agropolitan working group, develop an institution that could sustainably implement the programs and the facilities, as well as increase human resource capacity.
Aplikasi silika dan penerapan cekaman kekeringan terkendali dalam upaya peningkatan produksi dan mutu simplisia binahong (Anredera cordifolia) Jeni Laras Utami; Budi Adi Kristanto; Karno Karno
Journal of Agro Complex Vol 4, No 1 (2020): JOAC Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.4.1.69-78

Abstract

ABSTRACT The purpose of this research was to examine the application of silica in the cultivation of controlled drought stress to obtion simplicia with high flavonoid content. The research was arranged in a completely randomized design with 4x2 factorial with 4 replications. The first factor was drought stress duration consisted of watering every 2 days (controls), 6, 10, and 14 days before harvest. The second factor was the application of silica consisted of without silica (control) and the application of silica with a dose of 150 kg SiO2/Ha. The data were analyzed by variance analysis and continued by Duncan’s Multiple Range Test. The result of the study showed that the aplication of silica increased plant height, number of leaves, fresh weight and dry weight production of simplicia, and flavonoid content. Application of drought stress with a duration of up to 8 days before the simplicia harvested was not reduced plant height, number of leaves, production of fresh weight and dry weight of simplicia, but increased flavonoid content. Application of silica increased the number of leaves and the dry weight of simplicia in the application of drought stress to a duration of zero, 4, and 8 days. The application of drought stress with a duration of 8 days before harvested and silica application increased flavonoid content without reducting the production of dry weight of simplicia.Keywords : binahong, drought stress, flavonoids, silica ABSTRAK Penelitian ini bertujuan untuk mengkaji aplikasi silika pada budidaya tanaman binahong dengan penerapan cekaman kekeringan terkendali untuk memperoleh simplisia dengan kandungan flavonoid tinggi. Penelitian menggunakan rancangan percobaan acak lengkap faktorial 4x2 dengan 4 ulangan. Faktor pertama durasi cekaman kekeringan terdiri dari penyiraman 2 hari sekali (kontrol), 6, 10, dan 14 hari sebelum simplisia dipanen. Faktor kedua aplikasi silika terdiri dari tanpa aplikasi silika (kontrol) dan aplikasi silika dosis 1500 kg SiO2/Ha. Analisis ragam dilakukan dengan uji F dan uji lanjut Duncan Multiple Range Test (DMRT) pada taraf 5%. Hasil penelitian dapat menunjukkan bahwa aplikasi silika meningkatkan tinggi tanaman, jumlah daun, produksi berat segar dan berat kering simplisiaserta kandungan flavonoid simplisia binahong.Penerapan cekaman kekeringan dengan durasi sampai 8 hari sebelum simplisia dipanen tidak menurunkan tinggi tanaman, jumlah daun, produksi berat segar dan berat kering simplisia, tetapi meningkatkan kandungan flavonoid simplisia. Aplikasi silika meningkatkan jumlah daun dan berat kering simplisia pada penerapan cekaman kekeringan sampai durasi nol, 4 dan 8 hari. Penerapan cekaman kekeringan dengan durasi 8 hari sebelum simplisia dipanen dan aplikasi silika meningkatkan kandungan flavonoid simplisia binahong tanpa menurunkan produksi berat kering simplisia.Kata kunci : binahong, cekaman kekeringan, flavonoid, silika 
Efektifitas aplikasi Beauveria bassiana sebagai upaya pengendalian wereng batang coklat dan walang sangit pada tanaman padi di Desa Campursari Kecamatan Bulu Kabupaten Temanggung Tri Purwaningsih; Budi Adi Kristanto; Karno Karno
Journal of Agro Complex Vol 2, No 1 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (674.566 KB) | DOI: 10.14710/joac.2.1.12-18

Abstract

Beauveria bassiana is one of the pathogens that can be used as an environmentally friendly bio pesticide, as it does not produce harmful residues and does not cause pest resistance. This research was conducted in the village of Campursari village, District of Bulu, Temanggung Regency. The purpose of this research was assess the effectiveness of Beauveria bassiana application in order to suppress the population of brown planthopper and adult rice bug in rice plants and to find out rice plants production. The research used factorial randomized design which consists of two treatments. The first treatment was the application of Beauveria bassiana with controlled doses by 0, 100, 150 and 200 g/14 l. The second treatment was the application interval between 7, 10, and 14 days. The parameters observed were brown planthopper populations, adult rice bug population, plant height, number of tillers and grain production. The results showed that application with doses of 200 g/14 l and 7 day interval application was effective to suppress population of brown planthopper and adult rice bug and also saved grain production by 1,20 kg to 7,02 kg/m2 depending on application dosage. Keywords : planthopper, adult rice bug, Beauveria, doses, application interval
Pengaruh pelapisan benih dengan Polyethylene glycol (PEG) dan lama penyimpanan terhadap viabilitas benih tomat ceri (Solanum lycopersicum var. cerasiforme) Velly Dontor Nahampun; Florentina Kusmiyati; Budi Adi Kristanto
Journal of Agro Complex Vol 2, No 3 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/joac.2.3.235-243

Abstract

The research aimed to study the effectiveness of polyethylene glycol (PEG) as seed coating to maintain viability of cherry tomato during different storage period. This research was conducted in June to October 2017 at Laboratory of Plant Physiology and Breeding, Faculty of Animal and Agricultural Sciences, Diponegoro University. The research was assigned in completely randomized factorial design with the first factor was the level of PEG (0%, 20%, 40%, and 60%) and the second factor was the storage period (30 days, 60 days, and 90 days). Parameter were percentage of germination seed, seed water content, and dry weight of normal seedling. The data were analyzed using analysis of variance and continued by Duncan Multiple Range Test. The result showed that there was interaction between seed coating and storage period that affected percentage of germination seed, seed water content, and dry weight of normal seedling. Seed coating with PEG 20% and 90 days storage was able to maintain the percentage of germination up to 97.2%, seed water content of 7.39 % and dry weight of normal seedling of 0.66 g. Keywords : Percentage of germination, seed water content, dry weight of normal seedling 
Pengaruh konsentrasi zpt giberalin dan lama penyinaran terhadap pertumbuhan dan hasil tanaman krisan (Chrysanthemum morifolium) Dian Rifalasna; Sumarsono Sumarsono; Budi Adi Kristanto
Journal of Agro Complex Vol 3, No 1 (2019): Online
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (175.495 KB) | DOI: 10.14710/joac.3.1.84-95

Abstract

ABSTRACT               This study aims to examine the effect of giberalin ZPT concentration and duration of irradiation on the growth and yield of chrysanthemum (Chrysanthemum morifolium) cut flowers. The study took place in February - June 2018. The study was conducted in Mendongan Village, Sumowono District, Semarang Regency, Central Java.  ABSTRACT  This study aimed to examine the effect of giberalin concentration and duration of irradiation on the growth and yield of chrysanthemum (Chrysanthemum morifolium) cut flowers. The study took place in February - June 2018. The study was conducted in Mendongan Village, Sumowono District, Semarang Regency, Central Java. The design used in the study was a Completely Randomized Factorial 4x4 Design. The first factor was gibberallin treatment consisted of G1: GA 0 ppm, G2: GA 10 ppm, G3: GA 20 ppm, G4: GA 30 ppm. The second factor was the irradiation time consisted of R1: 1 hour irradiation time, R2: 2 hours irradiation time, R3: 3 hours irradiation time, and R4: 4 hours irradiation time. Parameters observed were plant height, stem diameter, number of leaves, leaf area, number of flowers, flower diameter, flowering age and flower harvesting age.The results showed that the treatment of giberalin concentration significantly affected the parameters of the amount of interest. While the irradiation treatment time significantly affected the parameters of plant height, number of leaves, flower diameter, stem diameter, age of flowering, and leaf area. Keywords: Giberalin, Chrysanthemum, Irradiation Period ABSTRAK  Penelitian ini bertujuan untuk mengkaji pengaruh konsentrasi ZPT giberalin dan lama penyinaran terhadap pertumbuhan dan hasil bunga potong tanaman krisan (Chrysanthemum morifolium). Penelitian berlangsung pada bulan Februari - Juni 2018. Penelitian dilakukan di Desa Mendongan, Kecamatan Sumowono, Kabupaten Semarang, Jawa Tengah. Rancangan yang digunakan dalam penelitian adalah Percobaan Faktorial 4x4 Rancangan Acak Lengkap (RAL). Faktor pertama yaitu perlakuan giberalin sebanyak 4 taraf yaitu G1 : GA 0 ppm, G2 : GA 10 ppm, G3 : GA 20 ppm, G4 : GA 30 ppm. Faktor kedua adalah lama penyinaran dengan 4 taraf yaitu R1 : lama penyinaran 1 jam, R2 : lama penyinaran 2 jam, R3 : lama penyinaran 3 jam, dan R4 : lama penyinaran 4 jam. Parameter yang diamati adalah tinggi tanaman, diameter batang, jumlah daun, luas daun, jumlah bunga, diameter bunga, umur berbunga dan umur panen bunga. Hasil penelitian menunjukkan bahwa konsentrasi giberalin berpengaruh nyata terhadap peningkatan jumlah bunga yang bertambah banyak. Sedangkan lama penyinaran berpengaruh nyata terhadap peningkatan tinggi tanaman, jumlah daun, diameter bunga, diameter batang, umur berbunga, dan luas daun. Kata Kunci :Giberalin, Krisan, Lama Penyinaran
Pengaruh konsentrasi IAA (Indole Acetic Acid) dan BAP (Benzil Amino Purin) terhadap pertumbuhan awal sambung samping Jambu Biji (Psidium guajava) Var. Kristal Hendra Pratomo; Karno Karno; Budi Adi Kristanto
Journal of Agro Complex Vol 2, No 1 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (145.388 KB) | DOI: 10.14710/joac.2.1.29-35

Abstract

The purpose of this research was to study the influence of various concentrations of IAA and BAP on early growth budding of guava (Psidium guajava L.) Var. Kristal in side grafting propagation method. The experiment used completely randomized factorial design. The first factor was various concentrations of IAA (0, 100, and 200 ppm) and the second factor was various concentrations of BAP (0, 100, and 200 ppm). Each treatment was repeated three times. Parameters observed were the time of bud break, time of shoot emergence, and shoot length. The data were analyzed by variance and continued analyzed by Duncan Multiple Range Test. The results showed that the level of IAA concentration gave effect (P<0,05) to time of shoot emergence and shoot length. Level of BAP concentrations gave significant effect (P<0,05) to the time of bud break, time of shoot emergence, and shoot length. The interaction between the concentration level of IAA and BAP had significant effect (P<0,05) on the time of bud break, time of shoot emergence and shoot length. Keywords : Guava, Psidium guajava, Side Grafting, IAA, BAP.
Pengaruh keragaman jamur Metarhizium anisopliae terhadap mortalitas larva hama Oryctes rhinoceros dan Lepidiota stigma Syafira Athifa; Syaiful Anwar; Budi Adi Kristanto
Journal of Agro Complex Vol 2, No 2 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (157.251 KB) | DOI: 10.14710/joac.2.2.120-127

Abstract

The research was conducted to evaluate the effect of variant of M. anisopliae on mortality of Oryctes rhinoceros and Lepidiota stigma. Variants ofM. anisopliae to be used were Karimun Jawa, Semarang and Magelang (host O. rhinoceros), and UGM (host L. stigma). The research was arranged in factorial experiment withcompletely randomized design, two factors and three replications.The first factor was type variant of M. anisopliae (V0= control, V1= variant UGM, V2= variant Karimun Jawa , V3= variant Semarang , V4 = variant Magelang), the second factor was type of pest (H1 = larva O. rhinoceros, H2 = larva L. stigma). The results showed that each variant of M. anisopliae had the same ability to control O. rhinoceros and L. stigma in both mortality, spore density, and LT50. O. rhinoceros has higher mortality and spore density than L. stigma, but LT50 both pests were the same. The interaction between O. rhinoceros and M. anisopliae gave the highest mortality, spore density, but the same LT50. Keywords : M. anisopliae, L. stigma, O. rhinoceros, mortality, spore density, LT50.
Respon pertumbuhan dan produksi padi beras merah (Oryza nivara) terhadap cekaman kekeringan pada fase pertumbuhan berbeda dan pemupukan nanosilika Rita Sugiarto; Budi Adi Kristanto; Dwi Retno Lukiwati
Journal of Agro Complex Vol 2, No 2 (2018)
Publisher : Department of Agriculture, Animal and Agricultural Sciences, Diponegoro University, Semara

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (573.879 KB) | DOI: 10.14710/joac.2.2.169-179

Abstract

The purpose of this research was to analyze the response of growth and production of red rice (Oryza nivara) under drought and nanosilica fertilization condition. This research was conducted in Greenhouse and Laboratory of and Plant Physiology and Breeding of at Faculty of Animal and Agricultural Sciences, Diponegoro University, Semarang from April to July 2017. The research was arranged using completely randomized factorial design. The first factor was drought stress (control, drought 20-35 DAP (Days After Planting), 40-55 DAP and 55-70 DAP). The second factor was the use of nanosilika fertilizers (without nanosilika, with nanosilica). The data were analyzed by anova and followed by Duncan’s Multiple Range Test (DMRT). The results showed that the drought stress during tiller production stage decreased the total number of tillers, productive tillers and grain weight per clump, but not in weight of one thousand seeds. Drought stress during flowering stage and seed filling only decreases the weight of one thousand seeds. Application of nanosilica increases the number of productive tillers and the weight of grain per hill. There was no interaction between drought stress treatment and nanosilika fertilization. Keywords: red rice, production, drought, nanosilica.
Co-Authors Alfina Handayani Alya Hasna Irbah Septiani Andi Rakhmat Fauzan Antonius Bagas Dwitomo Astrie Dian Jayanti D.W. Widjajanto Daniel Perwiratama Sinaga Danta Paramartha Dia Ayu Rahmani Dian Rifalasna Dimas Bima Taghfir Dwi Retno Lukiwati Ekowati, Titik Endang Dwi Purbajanti Febryan Taufiq Florentina Kusmiyati Gina Nuraini Buchory Hendra Pratomo Indradewa, Didik Intan Novela Setya Monikasari Jeni Laras Utami Julian Christopher Limantara K. Karno Karno Karno Komalawati Ma'as, Azwar Maja Diego Armando Girsang Muammar Zhafar Aziz Mukson Mukson Nabila Nuraini Fatikhasari Natasya Kendy Hayyuning Karuniasari Nurul Fadhilah Nyoman Adhitya Putra Dewangga Oktaviana Limbong Rachman Jamal Renata Wahyu Kurniawardani Riadhotus Saadati Risty Dwi Sylviana Rita Sugiarto Sasqya Alda Salsabella Sumarsono Sumarsono Sutarno Sutarno Sutrisno, R. Djoko Syafira Athifa Syafira Aulia Rachmani Sudrajat Syaiful Anwar Syaiful Anwar Tri Purwaningsih Velly Dontor Nahampun Vidia Pangestika Widyadhari Febriani Setyaningrum Widyati Slamet Ziadatul Choirum Nikmah