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Jurnal Agro Teknologi Tropika
Published by Universitas Riau
ISSN : -     EISSN : 23376562     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroteknologi Tropika memuat hasil-hasil penelitian mutakhir (5 tahun terakhir), ulasan singkat (review), analisis kebijakan atau catatan penelitian singkat (research note) mengenai teknik percobaan, alat, pengamatan, dan hasil awal percobaan (preliminary result) terkait bidang Ilmu Pertanian seperti : Agronomi, Pemuliaan Tanaman, Ilmu Tanah, Proteksi Tanaman, Mikrobiologi Pertanian, dan bidang ilmu pertanian terkait lainnya. Jurnal Agroteknologi Tropika terbit dua kali dalam setahun pada bulan Januari dan Juni.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue " Vol 3, No 2 (2014)" : 6 Documents clear
Pemberian Kompos Tandan Kosong Kelapa Sawit dan Zat Pengatur Tumbuh Alami terhadap Pertumbuhan Bibit Kelapa Sawit (Elaeis guinensis Jacq.) di Pembibitan Utama Menggunakan Medium Subsoil Ultisol Amri, Al Ikhsan
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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This research aim was to study the effects of applying oil palm empty fruit bunches compost and natural growthregulator substances on growth palm oil ( Elaeis guineensis Jacq.). This research was conducted in screen house ofAgricultural Faculty, University of Riau, from December 2012-April 2013. Subsoil ultisol was taken from Kulim RegionPekanbaru. Soil chemical properties of ultisol material was analyzed at Soil Laboratory of Soil Research Bogor. Thisresearch used a split plot design as the main plot was natural growth regulator substances and subplot was oil palmempty fruit bunches compost consists of 3 treatments in the main plot and 4 in the subplot. The treatments in the mainplot: Z0 = without natural growth regulator, Z1 = natural growth regulator substances using banana corm, Z2 =natural growth regulator subtances using bamboo shoots. The treatments in subplot: T0 = without oil palm empty fruitbunches compost, T1 = 20 tons per ha of oil palm empty fruit bunches of compos, T2 = 30 tons per ha of oil palm emptyfruit bunches of compos, T3 = 40 ton per ha of oil palm empty fruit bunches of compos. The result showed that applicationof oil palm empty fruit bunches compost 20 tons per ha, without or with natural growth regulator subtances increasedplant height, number of leaves and diameter hump.
Pengujian Beberapa Formulasi Trichoazolla terhadap Pertumbuhan Bibit Kelapa Sawit di Pembibitan Wahyudi, Cecep Ijang; Puspita, Fifi
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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This study aimed to investigate the effect and get better interaction from the oil palm crosses and formula ofTrichoazolla to the growth of oil palm seedlings in nursery. Research conducted experimentally using FactorialRandomized Block Design with 2 factors and repeated three times. Data were analyzed statistically by analysis ofvarience and data showing the real effect was tested further by Duncan’s New Multiple Range Test (DNMRT) at 5%. Theresults showed that the formula of Trichoazolla compost and crosses of oil palm interact positively about increaseheight, wet weight, dry weight, crown root ratio and root volume of oil palm seedlings. The main effect of oil palm crossescan trigger plant growth through accretion high, number of leaves, wet weight, dry weight, rod diameter, crown rootratio and root volume of oil palm seedlings. The main effect of Trichoazolla formulations affect of height increment, thenumber of leaves, wet weight, dry weight, rod diameter, crown root ratio and root volume of oil palm seeds.Keywords : Trichoazolla formulation, oil palm, nursery
Karakter Morfofisiologi Daun dan Hasil Kedelai (Glycine max L. Merill) Varietas Petek dan Varietas Jayawijaya pada Naungan Soverda, Nerty; Alia, Yulia
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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This research aims to study the effect of shade on morphophysiology character and results of soybean Petek andJayawijaya varieties. The study was conducted at the experimental site of Faculty of Agriculture, University of Jambi.Materials and tools used are paranet 50%, soybean seed Petek variety (shade tolerant) and Jayawijaya variety (shadesensitive), manure, NPK fertilizer, fungicide and insecticide. Equipment used includes field equipment, clear nail polish,microscope camera, analytical scales, tweezers and others. This study used a split plot design consisting 2 factors. Thefirst factor is the shade as the main plot (N) which consists of two levels, namely the auspices of 0 % (no shade) and 50% of shade. The second factor (subplot) is soybean varieties are Petek variety and Jayawijaya variety. The resultsshowed that the Petek showed consistency as shade-tolerant variety in shade 50% to show the state of the leaves arethinner, wider leaves, a decrease in stomatal density is lower and higher chlorophyll content compared with Jayawijayavariety (shade sensitive). There is no interaction between treatment shade and variety.
Aplikasi Amelioran Jerami dan Sekam Padi pada Tanah Gambut terhadap Pertumbuhan dan Produksi Kedelai Hendra, Hendra; Nelvia, Nelvia; Wardati, Wardati
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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Research applications straw and rice husk as ameliorant on peat soil to improve the growth and production ofsoybean in the peat soil was conducted from April to August 2012, at green house of the Faculty of Agriculture,University of Islamic of Indragiri. The objective was to get the best composition application ameliorant straw and ricehusk on peat soil on the growth and production of soybean. The experiment was used the completely randomized designwith a single factor consisting of 8 treatments (control, 3 tons.ha -1 of AJP, 3 tons.ha-1 of ASP, 3 tons.ha-1 of KJP, 2 tons.ha-1 of KJP + 1 tons.ha-1 of AJP, 2 tons.ha-1 of KJP + 1 tons.ha-1 of ASP, 1 tons.ha-1 of KJP + 1 tons.ha-1 of AJP and 1 tons.ha-1 of KJP + 1 tons.ha-1 of ASP) with 3 replications. Observations of each parameter analysis of variance (F test) and thedifference in treatment was continued with DNMRT (Duncan’s New Multiple Range Test) at 5% level. The results showedgranting ameliorant 3 tons.ha-1 of AJP can improve plant growth in terms of height that 51.16% (145.75 cm), ratio of theroot crown (4.86 g) dry stover weight of 1232.59% (24.12 g) soybean crop production, including number of 272.72% ofpods per plant, number of seeds per plant and seed weight 335.87% 333.23% dry. compared with no treatment.
Pewarisan Karakter Toleransi Aluminium Tanaman Sorgum Manis [Sorghum bicolor (L.) Moench] pada Stadia Bibit Isnaini, Isnaini; Trikoesoemaningtyas, Trikoesoemaningtyas; Wirnas, Desta
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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The objective of this research was to study the inheritance of Al tolerance of sweet sorghum at seedling stage. Thefour populations in this research were UPCA S1 (P1, susceptible parent) and Numbu (P2, tolerant parent), F1 and F1reciprocal and F2. The crosses of parental, F1, F1R and F2 generation were grown in University Farm of IPB and UPTDTenjo from June 2008 to June 2009. The study of Al tolerance inheritance in nutrient solution was conducted in greenhouse of University Farm of IPB from July-August 2009. Based on reciprocal analysis, all of characters are controlled bynuclear genes and their inheritance in not affected by maternal cytoplasm. The distribution of F2 genotype indicatedcontinuous with skewnesses which indicate that all characters are polygenics. All characters of Al tolerance in seedlingstage i.e. root length, root and shoot dry weight were controlled by additive gene action with contribution bycomplementary epistasis gene except shoot length that is controlled by additive gene action with duplicate epistasisgene. All characters had broad sense heritability from medium to high. Based on heritability value, pedigree selectionis the most effective selection method in breeding program for sorghum tolerance to Al.
The Effect of Different Levels and Sources of Auxin and Cytokinin to Callus Formation on Soybean Anther Culture Z. Zulkarnain, Z. Zulkarnain
Jurnal Agro Teknologi Tropika Vol 3, No 2 (2014)
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growth and development of anthers of two soybean cultivars, Merubetiri and Wilis cultured in vitro. The trial was conductedat the Plant Biotechnology Laboratory, Agricultural Faculty, University of Jambi. Anthers were cultured on MS solidmedium provided with IAA, 2,4-D or NAA as auxin source in combination with BAP or kinetin as cytokinin source. Eachgrowth regulators was tested at 0, 5, 10, 15 and 20 μM. The experiment was placed in a completely randomized design withfive replicates. Each replicates consisted of 8 to 10 anthers obtained from the same floral bud. Cultures were placed in a lightintensity of 50 μmol m-2.s-1 and 16-hour photoperiod at 25±1 oC. Observation was done weekly for 8 weeks of culture.Results indicated that response showed by anthers cultured on medium supplemented with 2,4-D+BAP, IAA+BAP andNAA+BAP, in the form of callus proliferation, occurred within 5-18 days of culture initiation. Meanwhile, with 2,4-D+kinetin,IAA+kinetin and NAA+kinetin, callus proliferation took place within 4-16 days of culture initiation. Callus formation waspreceded by a swollen on the surface of anthers, followed by changing in color from light green to brownish. Following this,anther wall turned into amorphous shape, before it was finally covered by a white, cream or light green callus mass. Initially,the callus showed friable or compact structure, but following two weeks of proliferation all callus showed compact structure.Among growth regulators tested, combination involving 2,4-D produced more callus than other combinations. In addition,of the two cultivars tested, Merubetiri showed better response compared to Wilis.

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