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Journal : Jurnal Agro Teknologi Tropika

Penggunaan Biofungisida Pelet Trichoderma harzianum pada Pembibitan Awal Kelapa Sawit Elfina S, Yetti; Ali, Muhammad; Delfina, Delfina
Jurnal Agro Teknologi Tropika Vol 4, No 1 (2015)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

Ganoderma boninense Pat. is one of the pathogens that infects young, immature and mature palm oil plants. Theinfection of the fungus can cause the death of palm oil plants, causing a decrease in the production of the plants.Alternative control of the disease is biological control using granular biofungicide containing Trichoderma harzianum.One factor that determines the success of the biofungicide is the dosage used. This study aims to determine the effect ofvarious dosages of T. harzianum granular biofungicide to control G. boninense and to study its effect on the growth ofyoung palm oil plants at pre nursery stage and obtain the best dosage in controlling G. boninense and to increasegrowth of young palm oil plants. This study was performed experimentally using completely randomized design consistingof 5 treatments and 4 replications. Each replication consisted of 2 young palm oil plants in medium of 4 kg soil/polybag.The treatment is dosage of granular biofungicide T. harzianum: 0, 5, 10, 15 and 20 g/polybag. The data were analyzedstatistically using analysis of variance and the means of treatment were tested with Duncan’s New Multiple Range Test(DNMRT) at level 5%. The results showed that dosage of granular biofungicide was significantly affected to control theG. boninense and to increase the height of the young plants and the volume of root of the young plant in the pre nurserystage. Dosage of granular biofungicide 10 g/polybag gave a better control to G. boninense (lowest diseases intensity:15,63 %) and to increase growth of young of palm oil plants than other dosages.
Pertumbuhan Bibit Kopi Robusta (Coffea canephora Pierre) dengan Pemberian Beberapa Jenis Kompos Ali, Muhammad; Khoiri, M. Amrul; Rachim, Kamalia
Jurnal Agro Teknologi Tropika Vol 4, No 1 (2015)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

The quality of seedling determines the growth and the productivity of plants in the field seedling. Optimum growthof seedling can be obtained through good nursery system. The physical, chemical and biological properties of nurserymedium can be improved by application of organic fertilizer, such as compost. This study aims to the effect of severaltypes of compost and get best compost dosage in inducing seedlings of Robusta coffee (Coffea canephora Pierre).Research has been conducted experimentally using a completely randomized design (CRD) with 5 treatments and 3replications. Each experimental unit consisted of 3 seedlings where 2 seedlings taken as sample. Data were analyzedstatistically using analysis of variance and means were tested by Duncan’s New Multiple Range Test at 5% level.Parameters observed were the increase of plant height (cm), the leaf number, leaf area, stem circle (cm) and the ratio ofthe root crown. The results indicated that the application of some compost affected the increase of seedling height, theleaf number and leaf area. Trichokompos gave the better seedling height and leaf number comparing to other compost.
Pengaruh Kosentrasi Mutagen Sodium Azida (NaN3) terhadap Daya Kecambah dan Keragaan Bibit Padi Gogo Varietas Jambek Rotan Generasi M-1 Nurhidayah, Tengku; Ali, Muhammad; Dhamila, Asha
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
Publisher : Jurnal Agro Teknologi Tropika

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The experiment aims to observe the effect of mutagen concentration of sodium azide to the germination and seedling growth performance of upland rice varieties Jambek Rotan generation M-1 and the difference seedling growth of upland rice varieties Jambek Rotan on the generation of M-1 by application Sodium azide some mutagen concentration. The experiment was conducted in an area behind the Soil Laboratory , Faculty of Agriculture , University of Riau , from May to July 2015. Research arranged experimentally using a Completely Randomized Design (CRD), which consists of 5 treatments concentration of sodium azide (SA) , ie 0.0 mM SA , 0.5 mM SA, 1.0 mM SA, 1.5 mM SA and 2.0 mM SA and each treatment was replicated four times. Parameters observed were the percentage of live seedling , seedling height, number of leaves and the number of tillers. The results showed that the of sodium azide at a concentration of 2.0 mM produce the lowest percentage life seedling, but tended to produce the lower seedling height and the more number of tillers.
Isolasi dan Karakterisasi Morfologi dan Fisiologi Bakteri Bacillus sp. Endofitik dari Tanaman Kelapa Sawit (Elaeis guineensis Jacq.) Puspita, Fifi; Ali, Muhammad; Pratama, Ridho
Jurnal Agro Teknologi Tropika Vol 6, No 2 (2017)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

Endophytic bacteria are bacteria that infect and live in plant tissue, including oil palm plant tissue. There are many species of endophytic bacteria living inside tissue oil palm plant which play a beneficial role for plant. One of the bacteria is Bacillus sp. Bacillus sp. can be used as a biological pesticide and biological fertilizers which is useful for plants. The purpose of the research is to observe the characteristics of the endophytic Bacillus sp. Plants samples was taken by survey method. The location of sampling was at the district of Asahan North Sumatera. Isolation was performed from oil palm plant organs such as root, stems and leaves of oil palm plants.  Results showed that the morphological characterization such as colony color, colonies form and  colonies edges of the bacteria had similarities each others, but there was a difference on the surface of morphology colony. Six isolates had a convex surface and  six  isolates had a flat surface. Physiology assay results such as catalase test, oxidase test, starch hydrolysis test, motility test and test of temperature on the growth of the bacteria showed a positive result on the each isolate. Characterization results showed a morphological and physiological similarities to the characteristics of Bacillus subtillis.
Pertumbuhan Generatif dan Komponen Hasil Generasi M-1 Padi Gogo (Oryza sativa L.) Varietas Lokal Kabupaten Pelalawan dengan Perlakuan Mutagen Sodium Azida (SA) Nurhidayah, Tengku; Ali, Muhammad; Pratama, Javieri
Jurnal Agro Teknologi Tropika Vol 5, No 1 (2016)
Publisher : Jurnal Agro Teknologi Tropika

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Abstract

A research has been conducted to study the effect of the concentration of mutagen SA and obtain the best concentration to improve generative growth and yield components of M-1 generation on two local varieties upland rice from Pelalawan Regency. The research has been conducted at UPT Kebun Percobaan, Agriculture Faculty, University of Riau, from April to July 2014. The research used factorial experiment arranged in a Randomized Block Design (RBD). The treatments consisted of two local varieties upland rice from Pelalawan Regency (Korea and Lombo Sawah) and five concentrations of Sodium Azide (SA) (0,0 mM, 0,5 mM, 1,0 mM, 1,5 mM, 2,0 mM). Each treatment was replicated four times. Data were analyzed statistically with Analysis of Variance and the means were tested with Duncans New Multiple Range Test (DNMRT) at 5% level. Parameters observed were days to maturity, number of grains per panicle, filled grains percentage per panicle, filled grains weight per panicle and filled grains weight per clump. The result indicated that SA affected on increase number of grains per panicle and decrease filled grains percentage per panicle and filled grains weight per panicle. SA at concentration of 1,00 mM gave a better effect, which caused an increase in number of grains per panicle and filled grains weights per clump at two local varieties of Pelalawan upland rice at M-1 generation.
Co-Authors ', Basuki ', Rahmadia *, Aprilia ,, Ichsan A.A. Ketut Agung Cahyawan W Abdul Rakhman Laba Abdul Razak, Dzuljastri Abdullah Abdullah Achmad, Dwi Isyana Adawiah, Radiatul Adiwirman Adiwirman, Adiwirman Afriani, Imas Ahmed, Luqman Akram, Mian Sohail Alayinda, Alma Amantoto Dwijono Amelia, Putri Amin, Hanudin Amiruddin Hatibe Amiruddin Kade ARDIANSYAH ARDIANSYAH Arif, Haswandi Ariyanti, Eka Armaini, Armaini Asih Nur Azizah Asmaul Husna Ayu Wulandari Batennie, Faisal Benny Rahman Brahmana, Annette Regina Bugis Mardina Lubis, Bugis Mardina Burhan, Muhammad Kadafi Busri Endang Chendi Liana, Chendi Delfina, Delfina Desni Yuniarni Dewi, Windar Dhamila, Asha Dian Hardianti, Dian Dina Muthmainnah Dodi Iskandar, Dodi Dwi Suhartanto Elin Triyantani Elza Zuhry Fadillah . Faidah, Fikriatul Fajar Subhekti Fajri M Kasim Fakhrudin, Jaini Fazri M Kasim Febriana Febriana, Febriana Fegi, Fegi Fifi Puspita Fihrin Fihrin Fitriani K, Fitriani Ghazali, Mohd Fahmi Gustina Gustina Halida . Halida Halida Harumsari, Bunga Harun, Muhammad Yahya Haryati, Tati Hasmiati Pese Hendrik Arung Lamba Herta Armianti, Herta Herunimus Sopiyanto Hu, Yim-Fun Husnia, Husnia I Ketut Sudiana I Komang Werdhiana I Wayan Darmadi Ibnu Sina Chandranegara Idwar, Idwar Ifir, Yuspina Ikhsan, Deddy Ino Susanti Janarwi, Muhammad Juliana Umar Jusman Mansyur Kamaluddin Kamaluddin Kariani, Kadek Karlina, Andi Kevin Moris Saripah Khomsatun Khomsatun, Khomsatun Kursini, Kursini Lailatul Fikria Rahmawati Laksono Trisnantoro Lamria Mangunsong Lasty Agustuty Lekka, Fienny Putri Lela Lidia Chronika Lukmanulhakim ., Lukmanulhakim Lumban Tobing, Tina Christina M Syukri M. Amrul Khoiri M. Thamrin Marmawi R . Marpaung, Win Nicho Marson, Marson Martini (F54210132) Marungkil Pasaribu Masita, Ayu Mastar Asran Masyita, Siti Misfa Susanto Molehet M. Siburian Mr Hartoyo Mudinillah, Adam Muhammad Ardi, Muhammad Muhammad Irfan Muhammad Syaroni Rofii Mukhibat Mukhibat Munawir Sazali Mursalim Nohong Mursalin, M Muslimin Muslimin Nasution, Arif Naveed, Arjmand Nggolaon, Delpina Ni Komang Suryati, Ni Komang Ni luh Indra Dewi, Ni luh Nidya Eka Putri, Nidya Eka Nondo, Farida T. Novita Sari Nuraini yarso Nurasyah Dewi Napitupulu Nurbaiti Nurbaiti NURLIANA NURLIANA Nursetya, Kartini Oliva, Oliva Pandi Pandi, Pandi Patricia Lubis, Patricia Pratama, Javieri Pratama, Ridho Putu Indra Christiawan Rachim, Kamalia Rahayu, Ni Komang Tri Ratnasari Ratnasari Rehman, Faisal Reisyi Rinola Tambunan Repini (F54210146) Riani, Reza Riska Safitri, Riska Rita Yunita Rizal, Hamid Rizka Mentari. Lapangandong, Rizka Mentari. Rizky Adriansyah S., M. Ashad SABATINY, DELIMA Sahrul Saehana Salanggon, Indra M. Salim, Sandora Saputra, Rachmad Sari, Riana Sari, Rini Sesario, Revi Siana, Siana Sigwele, Tshiamo Siti Mardiana Siti Maysaroh Sitti Mutmainnah Sobarsyah, Muhammad Sri Juniati Sri Wahyu Basuki Sri Yoseva suaiba, imelda pastiana Sukarmin Supriyatman, Supriyatman Suradi Tahmir, Suradi Susilo, Muhammad Syamsu Syamsu Syamsuriwal, Syamsuriwal TAMPUBOLON, MORINA CHRONIKA Taufik Kurahman, Taufik Taufiq Hidayah Tengku Nurhidayah Tri Yani Ullah, Muhammad Fahad Unggul Wahyono Wahyuni, Dewi Steri Wahyuni. S, Sri Wardani, Siska Setia Wasis, Th. Chandra Widha Sunarno Wiryono F34211650 Yanto M, I Wayan Roby Yetti Elfina Yetti Elfina S Yetty Elfina Yunel Venita Yuniarti, Listin Yurika Yurikai, Yurika Yusuf Kendek Yusuf Kendek Paluin Zafitra, Zafitra Zakky Abdillah, Hafaz Zanariyah, Sri