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All Journal HAYATI Journal of Biosciences Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Jurnal Fitopatologi Indonesia Jurnal Ilmu Pertanian Jurnal Natur Indonesia Jurnal Ilmu Pertanian KULTIVAR AGROEKOTEKNOLOGI Kultivasi jurnal Ilmu Pertanian (Agricultural Science) PERTANIAN TROPIK Makara Journal of Science

Luthfi Aziz Mahmud Siregar

Universitas Sumatera Utara

Author-ID : 310019

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Economics, Econometrics & Finance Medicine & Pharmacology

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EVALUASI PRODUKTIFITAS DAN KUALITAS BEBERAPA VARETAS KACANG TANAH (Arachis hypogaea L.) DI TANAH BERTEKSTUR LIAT Mona Faronika1 Mona Faronika1; Luthfi Aziz Mahmud Siregar; Hasmawi Hasyim2 Hasmawi Hasyim2
Jurnal Agroekoteknologi Vol 1, No 2 (2013)
Publisher : Universitas Sumatera Utara

Peanut is the second legums largest planted in Indonesia after soybean. It needed soil with sand to silt loam. Clay Texture of Soil has capability to defend water and soil minerals, but low infiltration rate, organic substances and Nitrogen, also big cracked in dry season because particle clay of soil was shrink. The aim of the research is to get peanut with high yield and best quality at Clay Texture of Soil. The experiment conducted at BBI Palawija Tanjung Selamat, Deli Serdang (± 57 meters above sea level) from April to July 2012. The experiment used Randomized Block Design with variety treatment that consists of six varieties : Gajah, Jepara, Biawak, Landak, Komodo and Simpai, with four replications. The data was analyzed by Analysis of Variance and continued with Duncan’s Multiple Range Test. Varieties showed significantly different on plant height 2-9 weeks after planted, time of flower initiation, total pods per plant, total pops, total pod producing seed, number of seed per plant, number of seed per plot, 100 seed weight, seed weight per plant, and percentage of peds producing pod. Variety were not significantly different on number of branch 9 weeks after planted, total peds, percentage pods producing seed, total seed per pod, total pod per plot, number of seed per plot, seed weight per plot, dry weight of shoot, dry weight of root and grow plant percentage. Qualities observation of seed were watched colour, size and protein degree. Keyword : variety, peanut, soil teksture

PERTUMBUHAN EKSPLAN PUAR TENANGAU (Elettariopsis sp.) SECARA IN VITRO Triningsih Triningsih; Luthfi A Mahmud Siregar; Lollie A. P. Putri Agustina P Putri
Jurnal Agroekoteknologi Vol 1, No 2 (2013)
Publisher : Universitas Sumatera Utara

Puar tenangau is a herbal plant of Zingeberaceae that from Thailand. The Plant has a big potential as pharmacy and traditional medicines, but the spread of this plant was unknown well in Indonesia even so needed a conservation for this plant. In vitro conservation is a one of alternative. In in vitro method, adding plant growth regulator is needed like Auxine and cytokinine. Napthtalen-3-Acetid is kind of auxine that good to root growth and Benzil amino purin is kind of cytokinin to shoot growth. The research aimed to know the influence of Benzylamino purine (BAP) and Napthtalen-3-acetid acid (NAA) concentration on the growth of puar tenangau.The research was carried out in the Tissue Culture Laboratory, Agriculture’s Faculty of Nort Sumatera University from March to June 2012. This research used Completely Randomized Design with two factors. First factor was BAP concentration consist of four levels:0 mg/l; 2 mg/l; 4 mg/l; 6 mg/l. The second factor was NAA concentration consist of three levels are 0 mg/l; 1.5 mg/l; 3 mg/l. The results showed that BAP concentration give effect significantly only on leaves number in 12 weeks after planting, but it have no effect significantly on the percent of living explant, plantlet height, leaves number on 4 and 8 weeks after planting. NAA and interaction of BAP and NAA have no effect significantly to living explant, plantlet height, leaves number on 4,8 and 12 weeks after planting. Keywords: puar tenangau, BAP,NAA, In vitro.

RESPON MEDIA TANAM DAN PEMBERIAN AUKSIN ASAM ASETAT NAFTALEN PADA PEMBIBITAN AREN (Arenga pinnata Merr) Utri Patma1 Utri Patma1; Lollie Agustina P. Putri Lollie Agustina P. Putri Lollie Agustina P. Putri; Luthfi A Mahmud Siregar
Jurnal Agroekoteknologi Vol 1, No 2 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACT Growth of plant is affected by some factors; among other things are plant media and auxin application. A research had been conducted at Pasar II Setiabudi, Kelurahan Tanjung Sari, Medan (± 25 m asl) in March – August 2012. The objective of the research was to know response of plant media and auxin naphtalene acetic acid application on the growth of sugar palm seed. The research that use Randomized Block Design with two factor that plant media of (top soil + sand + compost), (top soil + husk charcoal + compost), (top soil + sand + husk charcoal + compost) and auxin application were of 0 ppm, 50 ppm, 100 ppm and 150 ppm. The parameters observed were increase seed height, leaf sum, leaf klorofil and steam diameter. The result of research showed that the response plant media and auxin naphtalene acetic acid application on sugar palm nursery with interaction between plant media and auxsin application were not significantly to all the parameters observed. Keywords : plant media, auxsin application, sugar palm

PERTUMBUHAN AKAR PADA PERKECAMBAHAN BEBERAPA VARIETAS TOMAT DENGAN PEMBERIAN POLYETHYLENE GLIKOL (PEG) SECARA IN VITRO Erni Royani Harahap; Luthfi Aziz. M Siregar; Eva Sartini Bayu
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Tomato plants originated from Mexico to Peru region. At the present time the tomato hasbecome more developed, modern cultivars or hybrids can grow well and produce the climate ismuch different from the place of origin. This study aims to create drought tolerant plant of tomatovarieties. The research has done in Tissue Culture Laboratory Fakultuty Agriculture UnivercityNort Sumatera, Medan since Juli-September 2012. Using a completely randomized design with twofactors, that is Polyethylene Glicol (PEG) (0,5,10,15,20%) and Tomato varieties (TO-244, Niki,Kartika, Mio, Super Hawai) with four replications. Observation variable is living root forminginitiation, total of root, and high of roott. The result of research has shown that PEG is significantfor root forming initiation and high of root, but not significant for total of root.

PENGARUH α- BENZIL AMINO PURINA DAN α- ASAM ASETAT NAFTALENA TERHADAP PERTUMBUHAN AKAR Boesenbergia flava SECARA IN-VITRO Lili Herawati Siregar; Luthfi Aziz. M Siregar; Lollie Agustina P. Putri
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Boesenbergia flava merupakan tanaman yang berasal dari famili zingiberaceae. Sebagianbesar, ditemukan dalam area sangat lembab, area teduh dan biasanya dekat dengan sungai ataudalam kondisi berawa, yang keberadaannya masih susah ditemukan karena tanaman ini langka,genus dari tumbuh-tumbuhan rhizomatus kecil, sebagian besar tumbuh di hutan. Zingiberaceaemerupakan tanaman herba tropis yang digunakan sebagai obat-obatan, bahan kosmetik maupunbumbu masak. Penelitian ini bertujuan untuk mengetahui pengaruh konsentrasi BAP dan NAAterhadap pertumbuhan akar Boesenbergia flava secara in vitro. Penelitian ini dilaksanakan diLaboratorium Kultur Jaringan Tanaman, Fakultas Pertanian Universitas Sumatera Utara, Medanyang dimulai pada bulan Maret sampai dengan Mei 2012. Rancangan yang digunakan adalahRancangan Acak Lengkap (RAL) dengan dua faktor perlakuan. Faktor pertama adalah konsentrasiNAA yang terdiri dari 4 taraf yaitu 0 mg/l; 1 mg/l; 2 mg/l; 3 mg/l. Faktor kedua adalah konsentrasiBAP meliputi 0 mg/l; 1.5 mg/l; 3 mg/l; 4.5 mg/l. Hasil penelitian menunjukkan bahwa konsentrasiNAA dan BAP tidak berpengaruh nyata terhadap jumlah akar dan persentase eksplan yang hidup,tetapi interaksi antara NAA dan BAP berpengaruh nyata terhadap jumlah akar. Pada konsentrasiNAA, BAP dan interaksinya berpengaruh nyata terhadap panjang akar.Kata kunci

PENGARUH α- BENZIL AMINO PURINA DAN α- ASAM ASETAT NAFTALENA TERHADAP PEMBENTUKAN TUNAS TANAMAN NILAM (Pogostemon cablin Benth.) SECARA IN-VITRO Rozaliana Rozaliana; Luthfi A Aziz Mahmud Siregar; Eva Sartini Bayu
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

This research aims to determined the concentration of the most effective growth regulator for budinduction patchouli plant by in-vitro methode. The research was done in the laboratory of planttissue culture, agriculture faculty university of north sumatra, medan from January 2012 to june2012 using factorial completely randomized design with 2wo factors that is giving BAP (0, 0.5, 1and 1.5 mg/l) and NAA (0, 0.2, 0.4 and 0.6 mg/l). The measured parameters were percentage ofeksplan living, the percentage of contamination, the percentage of eksplan forming buds, budheight, roots number, root length, leaves number, noods number, time of initiation, appearance ofcallus, colour of callus and texture of callus. The result showed that giving BAP and NAAsignificantly affected on the buds initiation time parameters with the best time of initiation is 7 days((0.6 mg/l NAA and 1.5mg/l BAP and the highest number of root that 8 pieces (0.2 NAA mg/l andBAP 1.5mg/l )and did not significanly on others parameter. The best medium for bud inductionwas not found yet.Key words : NAA, BAP, patchouli

SELEKSI GALUR KEDELAI (Glycine max (L.) Siti Aminah; Rosmayati Rosmayati; Luthfi A Mahmud Siregar
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

Strain Selection of Soybean ( Glycine max (L) Merril) of F3 Generation on Saline Soil. Salinity isone of the most serious and widespread agricultural problems resulting in losses of yield. Generally,as land is more intensively cultivated, the salinity problem becomes more severe. A highconcentration of NaCl greatly reduces growth of both the shoot and the root. One strategy availableto cope with saline soil is to choose salt-tolerance crops or to select salt-tolerance cultivars within acrop. This research aims to select the soybean that can grow and has a higher production on salinesoil of F3 generation. This research was conducted in the experiment area at Desa Tanjung Rejo,subdistrict of Percut Sei Tuan, Regenecy of Deli Serdang in the elevation of 1.5 m on above sealevel since Apryl 2012 up to Juny 2012. The experiment design applied in this research is a crosssection analysis that consist of 1 variety, and the applied methot is a F3 generation pedigreeselection, the population is sample, the number of live plant is 137 of 2118. The selected plant isbased on the grain production per plant for 39 plants. Based on the results of research indicates thatbased on the highest weight of seed per plant is 4.9 g on the plant number 1305.2.20 and the lowestproduction is 0.2 g on the plant number 88.5.10 and 88.5.11. The component of production that hasa direct influence to the grain production per plant is the number of branch, age of flowering,number of pod and number of pods contain. Component of production that giving the highest directinfluence is the number of pod contain for 0.832.Keywords : species, soybean, selection, saline soil.

IDENTIFIKASI KARAKTER MORFOLOGIS SALAK SUMATERA UTARA (Salacca sumatrana Becc.)DI BEBERAPA DAERAH KABUPATEN TAPANULI SELATAN Hilda Mei Yeni Harahap; Eva Sartini Bayu; Luthfi A. Mahmud Siregar
Jurnal Agroekoteknologi Vol 1, No 3 (2013)
Publisher : Universitas Sumatera Utara

The objective of the research was to identify morphological characters and phylogenetic relationship among Salacca sumatrana at South Tapanuli Region. The study conducted in June to August 2012 at Sibio-bio Angkola Timur, South Tapanuli (+ 1100 m asl), Siamporik Angkola Selatan (+ 900-1100 m asl) , and Parsalakan Angkola Barat (+ 1200 m asl). The method to use descriptive method, purposive sampling method and than cluster method to see relationship Sumatra salak at South Tapanuli. The results obtained from the three villages were simililarity morphological characters such as caulis form, folium form, folium color, vagina color, spina color, flos malculus color and hermafroditus and sphata color. From phylogenetic relationship Salacca sumatrana in three villages Tapanuli Selatan the similarity is 63,77% which grouped into 2 groups. That higest similarity from village Parsalakan sampel C6 with C9equal to 98,65%,, while that lowest similarity from village Sibio-bio sampel A1 with A2 equal to 63,77%. Key word : salacca, identification, morphological characters, descriptive method

PENGARUH PERTUMBUHAN VEGETATIF BEBERAPA VARIETAS KEDELAI HITAM DENGAN PEMBERIAN VERMIKOMPOS PADA TANAH MASAM Chandri Lidya Putri Nasution; Luthfi Aziz Mahmud Siregar; Syafruddin Ilyas
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTThe effect of Vegetative Growth on some Varieties of Black Soybeans with The Provision ofVermicompost on Acid Soils.Insufficient Black soybeans productiondomestic demand is a problemthat faced today. The addition of organic matter and using acid soils is one way that can be done toincrease the production of black soybean.The objective of the research was to know the effect ofvegetativegrowth on some varieties of black soybeans (Glycine max (L.) Merrill) with the provisionof vermicompost on acid soils. The experiment was conducted in the Public Land, Pasar I, TanjungSari, Medan, with altitude ± 25 meters above sea level from July to October 2012.Using a factorialrandomized block design with the first factor application of vermicompost (0, 0.8, 1.6 and 2.4kg/m²) and the second varieties (Detam-1, Detam-2, Cikuray, Merapi, Malikka) with threereplications. The result showed that the application of vermicompost insignificanly affected to all ofparametric in the research. The variety significantly affected the plant height at 2, 3, and 5 MST,andthe number of branches on the main stem. The combine between application of vermicompost andsoybean varieties were insignificanly to all of parametric in the research.Key word : soybean, acid soils, vermicompost, varieties

RESPONS PERTUMBUHAN DAN PRODUKSI BEBERAPA VARIETAS BAWANG MERAH (Allium ascalonicum L.) DENGAN PEMBERIAN KOMPOS LIMBAH KAKAO PADA TANAH INSEPTISOL Dyanne Gisella P. Tambak; Luthfi Aziz Mahmud Siregar; Rosmayati Rosmayati
Jurnal Agroekoteknologi Vol 2, No 1 (2013)
Publisher : Universitas Sumatera Utara

ABSTRACTGrowth and Yield Responses of some Onion Varieties (Allium ascalonicum L.) with Cocoa WasteCompost on The Inceptisol supervised by Luthfi Aziz Mahmud Siregar and Rosmayati. The studyaimed to know respons of four onion extent on the provision of cocoa waste compost on inceptisol,Research was conducted at campus area Tengku Amir Hamzah University, Pancing. Medan Estate,Deli Serdang (±15 m above sea level) from April -Juli 2012. This study used a randomized blockdesign the frist factors was the variety such as Medan Variety, Maja Variety, Kuning Variety andBali Karet Variety. The second factor was with 4 levels of cocoa waste compost, namely 0 g, 236 g,472 g, and708 g. The data obtained were analyzed using analysis of variance, followed by HonestlySignificant Difference test. The results showed that the varieties significantly of plant height,number of leaves at 2 week after plant,bulbs per sample,fresh weight per sample, dry weight persample, fresh weight per plot, dry weight per plot and harves time.Respons of giving cocoa wastecompost not significantly to all observation parameters. Interaction between varieties and dosescocoa waste compost ot significantlyto all observation parameters.Keywords: onion,cocoa waste compost, varieties, inceptisol soil.

Co-Authors Abd. Rasyid Syamsuri Abdul Rauf Agus Pernando Simanjuntak Asima napitupulu Asma Ul Husna Ayu Oshin Yap Sinaga Beatrix Blandina BOEY PENG LIM Boey Peng-Lim CHAN LAI KENG Chan Lai-Keng Chandri Lidya Putri Nasution Diana Sofia Hanafiah DWI NINGSIH SUSILOWATI Dyanne Gisella P. Tambak Elseria Siburian Emmy Harso Kardhinata Emmy Rosita Erni Royani Harahap Eva Sartini Bayu Eva Sartini Bayu Firdani, Citra Fristy Rebecca Hasianta Sitohang Hanipah Tanjung Hapsoh Hasmawi Hasyim2 Hasmawi Hasyim2 Heri Hidayat Hilda Mei Yeni Harahap Hot Setiado Hot Setiado Hot Setiado I.M. Revandi Damanik Imam, muhammad Ira Tiarma Sari Damanik Julita Julita Keng, Chan Chan Khairunnisa Lubis Khairunnisa Lubis Lambok Turnip Larosa Harahap Lili Herawati Siregar Linda Tri Wira Astuti Lisa Lisa Mawarni Lisnawita Lita Adelia Lollie A. P. Putri Agustina P Putri Lollie Agustina P Putri Lollie Agustina P. Putri Lollie Agustina P. Putri Lollie Agustina P. Putri Lollie Agustina P. Putri Mahyuddin Dalimunte Marpaung, Agustina Erlinda Milani, Ayu Mona Faronika1 Mona Faronika1 Mutia Rahmah Nazriah pratiwi Nella Angelina Simanjuntak Nina Unzila Angkat nuraminah nasution Permata Sari Harahap Purba, Hans Samuel Putri Hasanah Jumroh Retno Diah Setiowati Revandy Iskandar Muda Damanik Riski Aulia Risma Damayanti Rosmayati Rosmayati Rosmayati Rosmayati Rosmayati Rosmayati Rozaliana Rozaliana Siti Aminah Sopa Putri Tanjung Tengku Sabrina Triningsih Triningsih Ulfa Ridha Andini Utri Patma1 Utri Patma1 Yoppi Operasisco Gabesius Yusuf Husni Yusuf Husni

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