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Jurnal Penelitian Tanaman Industri (Littri)
Published by Pusat Penelitian dan Pengembangan Perkebunan
ISSN : 08538212     EISSN : 25286870     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Penelitian Tanaman Industri (JLITTRI) aims to publish primary research articles of current research topics, not simultaneously submitted to nor previously published in other scientific or technical ojournals. General review articles will not be accepted. The journal maintains strict standards of content, presentation,and reviewing. SCOPE The journal will consider primary research papers from any source if they make an original contribution to the experimental or theoretical understanding and application of theories and methodologies of some aspects of agricultural science in Indonesia including: Estate crops; Soil science; Climate science; Agronomy; Plant breeding; Biotechnology; Genetic resources; Plant pathology; Plant physiology; Entomology; Farming system; Postharvest technology; Socio-economic agriculture; Environment; Agricultural extension. The journal publishes Indonesian or English articles. Since the year of 2017, the jurnal is published twice a year in (June and December).
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 6 Documents
 1 
Search results for , issue "Vol 20, No 2 (2014): Juni 2014" : 6 Documents clear
SINERGISME ANTARA NEMATODA PATOGEN SERANGGA Steinernema sp. DAN MINYAK BIJI JARAK PAGAR (Jatropha curcas L.) TERHADAP MORTALITAS DAN EFEK LANJUTAN LARVA Spodoptera litura F. . Tukimin; Elna Karmawati; Heri Prabowo
Jurnal Penelitian Tanaman Industri Vol 20, No 2 (2014): Juni 2014
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1606.571 KB) | DOI: 10.21082/jlittri.v20n2.2014.93-100

Abstract

PATOGENISITAS Achaea janata GRANULOSIS VIRUS (AjGV) TERHADAP ULAT PEMAKAN DAUN TANAMAN JARAK KEPYAR IGAA. INDRAYANI; HERI PRABOWO; TITIEK YULIANTI
Jurnal Penelitian Tanaman Industri Vol 20, No 2 (2014): Juni 2014
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v20n2.2014.57-64

Abstract

ABSTRAKAchaea janata L. adalah hama penting tanaman jarak kepyar(Ricinus  communis)  yang  hingga  kini  pengendaliannya  masihmenggunakan insektisida kimia secara intensif. Selain tidak efisien,insektisida kimia juga menimbulkan pencemaran lingkungan. Untukmengatasi masalah tersebut, maka perlu cara pengendalian alternatif yangselain efektif dan efisien, juga ramah lingkungan, seperti virus yangdiisolasi dari ulat A. janata (A. janata Granulosis Virus/AjGV). Penelitianpatogenisitas AjGV pada A. janata dilakukan di Laboratorium PatologiSerangga Balai Penelitian Tanaman Pemanis dan Serat (Balittas) mulaiJanuari - Desember 2012. Perlakuan terdiri atas enam konsentrasi AjGV,yaitu 10 3 , 10 4 , 10 5 , 10 6 , 10 7 , 10 8 occlusion bodies (OB), dan satu kontrol.Perlakuan disusun dalam Rancangan Acak Kelompok dengan empat kaliulangan. Ulat A. janata yang digunakan adalah instar II, III, IV, dan Vmasing-masing 90 ekor/perlakuan. Parameter yang diamati adalahmortalitas dan bobot ulat, konsentrasi untuk membunuh 50% ulat (LC 50 ),dan waktu untuk membunuh 50% ulat (LT 50 ). Hasil penelitianmenunjukkan bahwa AjGV patogenik terhadap A. janata, terutama ulatinstar II dan III dengan mortalitas berturut-turut 90 dan 86,7%. LC 50 AjGVpada ulat instar II dan III masing-masing mencapai 1,0 x 10 3 dan 1,2 x 10 3OB/ml, dengan LT 50 kedua instar sekitar 3,4-4,2 hari. Pengaruh infeksiAjGV pada ulat A. janata efektif menurunkan bobot ulat hidup 57,9 dan57,4% masing-masing pada ulat instar II dan III. Hasil penelitian inimengindikasikan bahwa sasaran yang tepat untuk pengendalian ulat A.janata dengan AjGV di lapangan adalah pada saat instar II dan III.Kata kunci: Achaea janata L, patogenisitas, instar, mortalitasABSTRACTAchaea janata L. is an important insect pest of castor plant (Ricinuscommunis L.) that was intensively controlled by chemical insecticidecaused inefficiency and an environmental polution. To solve the problemsit needs an effective, efficient and environmental friendly of alternativecontrol, especially using Granulosis Virus isolated from A. janata larvae(AjGV). Study on pathogenicity of A. janata virus isolate against castorleaf-eater, A. janata L. was conducted at Insect Pathology Laboratory ofIndonesia Sweetener and Fibre Crops Research Institute in Malang fromJanuary to December 2012. The objective of study is to test thepathogenicity of AjGV against A. janata larvae. Treatment consists of sixconcentrations of AjGV, viz. 10 3 , 10 4 , 10 5 , 10 6 , 10 7 , 10 8 OBs/ml and onecontrol. Four instars of larvae, e.g. second, third, fourth, and fifth wereused in this study. Each treatments was arranged in Randomized BlockDesign with four replications. Parameter recorded were mortality andweight of larvae, LC 50 , and LT 50 . Result showed that AjGV was pathogenicto A. janata larvae, mainly on second and third instar in resulting of 90%and 86.7% of mortality, respectively. The LC 50 of AjGV on the second andthird instar was 1.0 x 10 3 and 1.2 x 10 3 OB/ml, respectively and the LT 50was 3.4 and 4.2 days, respectively. Infection of A. janata virus reducedthe weight of both instar up to 57.9% and 57.4%, respectively. This resultindicated that the second and third was the suitable instars of A. janatalarvae for better control of AjGV in field.Key word: Achaea janata L, pathogenicity, instar, mortality
INBREEDING DEPRESSION PADA PROGENI HASIL PENYERBUKAN SENDIRI DAN OUTBREEDING DEPRESSION PADA HASIL PENYERBUKAN SILANG JARAK PAGAR (Jatropha curcas L.) RR. SRI HARTATI; SUDARSONO SUDARSONO
Jurnal Penelitian Tanaman Industri Vol 20, No 2 (2014): Juni 2014
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v20n2.2014.65-76

Abstract

ABSTRAKUntuk mengetahui pengaruh inbreeding (ID) dan outbreedingdepression (OD) pada tanaman jarak pagar dilakukan evaluasi populasi S1hasil penyerbukan sendiri dan F1 hasil penyerbukan silang genotipeterpilih. Penelitian dilakukan di Kebun Percobaan Balai PenelitianTanaman Industri dan Penyegar mulai Juni 2009-Juli 2010. Evaluasimenggunakan 100 populasi S1 dan F1 yang berasal dari persilangan diallellengkap antar 10 tetua yang terdiri atas 1 tetua berdaya hasil rendah, 6tetua berdaya hasil sedang, dan 3 tetua berdaya hasil tinggi. Hasilpenelitian menunjukkan penyerbukan sendiri pada tanaman jarak pagartidak selalu mengakibatkan ID. ID ditemukan pada sebagian karakterprogeni hasil penyerbukan sendiri tetua 1 (575-3), 2 (HS 49-2), 4 (PT 13-1), 5 (SP 16-2), 6 (PT 33-2), 7 (3012-1), 8 (PT 15-1), 9 (PT 14-1), dan 10(Sulsel 8), sedangkan OD ditemukan pada progeni hasil penyerbukansilang tetua 3 (IP 1A-2) dengan tetua lainnya. Penyerbukan sendiri tetua 2(HS 49-2), 6 (PT 33-2), 8 (PT 15-1), dan 9 (PT 14-1) mengakibatkan IDpada karakter umur berbunga dan OD pada karakter jumlah buah pertanaman dan menghasilkan progeni yang lebih cepat berbunga danberbuah  lebih  banyak  dibanding  penyerbukan  silangnya.  ODmengakibatkan penurunan hasil pada F1. Persilangan antar tetua dengandaya hasil berbeda menghasilkan progeni F1 dengan daya hasil lebihrendah dari tetua terbaiknya. Persilangan dengan tetua jantan berdaya hasilrendah menghasilkan progeni F1 yang berdaya hasil lebih rendah dari tetuabetinanya. Penurunan daya hasil pada progeni F1 akibat persilangandengan tetua jantan berdaya hasil rendah berkisar 31-76%.Kata kunci: Jatropha curcas L., populasi S1, populasi F1, penurunanhasilABSTRACTA sets of F1 and S1 arrays were generated to determine the presenceof inbreeding (ID) and outbreeding (OD) effects of physic nut. Researchwas conducted at Indonesian Industrial and Beverage Crops ResearchInstitute Experimental Station during June 2009 to July 2010. Ten physicnut genotypes i.e. 1 parent with low yield, 6 parents with medium, and 3parents with high yield potential were used to generate one hundred F1 andS1 progenies by full diallel scheme. Results indicated ID only occurred ina several number of genotypes. ID for a number of characters wereobserved among S1 progenies derived from parents number 1 (575-3), 2(HS 49-2), 4 (PT 13-1), 5 (SP 16-2), 6 (PT 33-2), 7 (3012-1), 8 (PT 15-1),9 (PT 14-1), and 10 (Sulsel 8), while OD were observed among F1progenies derived from parent number 3 (IP 1A-2). Selfing of parentsnumber 2 (HS 49-2), 6 (PT 33-2), 8 (PT 15-1), and 9 (PT 14-1) resulted IDfor days to flowering and OD for number of fruit. Selfing of these parentsresulted early flowering and high fruit yielding progenies. OD resultedyield reduction on several F1 progenies. Crossing among parents withdifferent yield level resulted F1 progenies with lower yield than that of thebest parent. Crossing to low yielding male parent resulted F1 progenieshaving lower yield than that of low yielding female parent. Yield reductionamong F1 progenies ranged from 31 to 76%.Key words: Jatropha curcas L., S1 population, F1 population, yieldreduction
SELECTION OF VEGETATIVE AND GENERATIVE CHARACTERS OF ARABICA COFFEE BY USING SEQUENTIAL PATH ANALYSIS AND STRUCTURAL EQUATION MODELS EDI WARDIANA; DIBYO PRANOWO
Jurnal Penelitian Tanaman Industri Vol 20, No 2 (2014): Juni 2014
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v20n2.2014.77-86

Abstract

ABSTRACTInterrelations among vegetative, generative and yield characters incoffee plantation is important in breeding and selection programs.Interrelationships among these characters are the causal model and it canbe analyzed by Sequential Path Analysis (SPA). This research was carriedout at Pakuwon Experimental Station located at 450 m above sea level, inLatosol soil type with B type of climate, from December 2010 to April2012. The objectives of this research is to analyze the direct or indirectinfluence of several vegetative and generative characters on yieldcharacters of Arabica coffee through the application of SPA and StructuralEquation Models (SEM). The observation method with systematicsampling on 40 Arabica coffee plants of Kartika 1 and Kartika 2 varietieswere used in this study. The results showed that the number of cherries ofArabica coffee var. Kartika 1 and 2 population in Pakuwon ExperimentalStation were affected directly by generative and indirectly by vegetativecharacters. Plant height and stem girth can be used as positive selectioncriteria for high yielding at vegetatite phase, while the character of widthcanophy can be used as negative selection criteria. In generative phase, thecharacter of quantity of productive branches and the amount of berries andflower cluster can be used as positive selection criteria.Keywords: Coffea arabica, selection, vegetative, generative, yield,sequential path analysis, structural equation modelsABSTRAKKeterkaitan antara karakter vegetatif, generatif dan hasil padatanaman kopi merupakan hal penting dalam program pemuliaan danseleksi. Model saling keterkaitan antar karakter tersebut adalah modelsebab-akibat dan dapat dianalisis melalui Analisis Lintasan Bertahap(ALB). Penelitian ini dilakukan di Kebun Percobaan Pakuwon, padaketinggian tempat 450 m dpl, jenis tanah Latosol, dan tipe iklim B, mulaibulan Desember 2010 sampai April 2012. Tujuan penelitian adalah untukmenganalisis beberapa karakter vegetatif dan generatif yang berpengaruhterhadap karakter hasil tanaman kopi Arabika melalui penggunaan ALBdan Model Persamaan Struktural (MPS). Metode yang digunakan adalahmetode observasi dengan teknik penentuan pohon contoh secara sistematissebanyak 40 tanaman kopi Arabika varietas Kartika 1 dan Kartika 2. Hasilpenelitian menunjukkan bahwa jumlah buah pada populasi kopi Arabikavarietas Kartika 1 dan 2 di KP Pakuwon dipengaruhi secara langsung olehkarakter generatif dan secara tidak langsung oleh karakter vegetatif. Padafase vegetatif, karakter tinggi tanaman dan diameter batang dapatdigunakan sebagai kriteria seleksi positif untuk produksi tinggi,sedangkan karakter lebar tajuk dapat digunakan sebagai kriteria seleksinegatif. Pada fase generatif, karakter jumlah cabang produktif serta jumlahklaster buah dan bunga dapat digunakan sebagai kriteria seleksi positif.Kata kunci: Kopi arabika, seleksi, vegetatif, generatif, hasil, analisislintasan bertahap, model persamaan struktural
PENGARUH PERENDAMAN TERHADAP VIABILITAS BENIH TEMBAKAU (Nicotiana tabacum L.) SUMARTINI, SIWI; MULYANI, SRI; ROCHMAN, FATHKUR
Jurnal Penelitian Tanaman Industri Vol 20, No 2 (2014): Juni 2014
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v20n2.2014.87-92

Abstract

ABSTRAKPermasalahan dalam pengembangan tembakau rakyat adalah dayaberkecambah benih yang rendah. Penelitian ini bertujuan untukmengetahui pengaruh perendaman benih terhadap daya berkecambahbenih tembakau (Nicotiana tabacum L.). Penelitian dilaksanakan dilaboratorium Balai Penelitian Tanaman Pemanis dan Serat pada bulan Meisampai dengan Juli 2013. Perlakuan disusun dalam rancangan petakterbagi dan diulang empat kali. Sebagai petak utama adalah tujuh varietastembakau lokal, yaitu V1 = Kemloko1; V2 = Kemloko2; V3 = Kemloko3;V4 = Kasturi1; V5 = Kasturi2; V6 = Grompol Jatim1; dan V7 =Bojonegoro1. Sebagai anak petak adalah: R1 = Tanpa perendaman(kontrol); R2 = perendaman selama satu jam dalam air; R3 = perendamanselama satu jam dalam larutan KNO 3  (0,1%), dan R4 = perendamanselama satu jam dalam larutan KNO 3 (0,2%). Setelah perlakuanperendaman, benih tembakau dikecambahkan menggunakan metode Uji diAtas Kertas. Pada setiap ulangan, sebanyak 100 benih tembakaudikecambahkan pada media kertas merang yang diletakkan di dalampetridish berdiameter 9 cm. Perkecambahan dilakukan di dalamgerminator tipe IPB dengan suhu 23 o C dan kelembaban nisbi 87-93%.Parameter yang diamati adalah daya berkecambah, panjang kecambah,panjang akar kecambah, dan indeks vigor kecambah. Perendaman benihtembakau menggunakan air, larutan KNO 3 0,1% dan larutan KNO 3 0,2%selama satu jam sebelum benih disemaikan, dapat meningkatkan dayaberkecambah dan panjang kecambah varietas Kemloko1 dan GrompolJatim1. Perlakuan perendaman benih dengan air berpengaruh positif padavarietas Kemloko1 yang ditunjukkan dengan daya berkecambah tertinggi,sedangkan perendaman dengan larutan KNO 3 0,2% berpengaruh negatifpada varietas Bojonegoro1 yang ditunjukkan dengan daya berkecambahpaling rendah. Perlakuan perendaman dengan air maupun larutan KNO 3(0,1% dan 0,2%) menunjukkan pengaruh yang berbeda-beda terhadapparameter daya berkecambah, panjang kecambah, panjang akar kecambah,dan indeks vigor kecambah pada semua varietas tembakau yang diuji.Kata kunci: Nicotiana tabacum L., perendaman, KNO 3 , viabilitas benihABSTRACTLow germinability of seeds is one of major problems in tobaccodevelopment. The aim of this study was to determine the effect of primingon tobacco (Nicotiana tabacum L.) seed viability. The research wasconducted in the laboratory of the Indonesian Sweeteners and Fiber CropsResearch Institute during May to July 2013. The treatments were arrangedin a split plot design with four times of replication. The main plots wereseven tobacco varieties namely V1 = Kemloko1; V2 = Kemloko2; V3 =Kemloko3; V4 = Kasturi1; V5 = Kasturi2; V6 = Grompol Jatim1; and V7= Bojonegoro1. The subplots were priming seeds for one hour namely R1= without priming (control); R2 = priming for one hour on water; R3 =priming for one hour on KNO 3  (0,1%) solution, and R4 = priming for onehour on KNO 3 (0,2%) solution. After priming, seeds were germinated usingthe Upper Paper Test method. A hundred of seeds were sown on strawpaper media in a petridish diameter 9 cm of each replication. Parametersmeasured were germination percentage, shoot and root length, andseedling vigor index. Priming tobacco seed with water or KNO 3  (0.1 and0.2%) solution for one hour before seeds were germinated significantlyimproved germination percentage and shoot length of Kemloko1 andGrompol Jatim1 varieties. Priming tobacco seed with water had positiveeffect on Kemloko1 variety which resulted the highest germinationpercentage but had adversely effect on Bojonegoro1 variety which resultedthe lowest germination percentage. Priming tobacco seeds with water orKNO 3 (0.1 and 0.2%) solution resulted different effect on germinationpercentage, shoot and root length, and seedling vigor index parameters forall tobacco varieties were observed.Key words: Nicotiana tabacum L., priming, KNO 3 , seed viability
PELUANG PENINGKATAN PRODUKTIVITAS KELAPA SAWIT RAKYAT DI PROVINSI LAMPUNG BARIOT HAFIF; Rr. ERNAWATI; YULIA PUJIARTI
Jurnal Penelitian Tanaman Industri Vol 20, No 2 (2014): Juni 2014
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jlittri.v20n2.2014.101-109

Abstract

ABSTRAKProduktivitas kelapa sawit rakyat di Provinsi Lampung masih relatifrendah dibanding potensi produktivitas optimal. Berkenaan dengan hal itu,dari bulan Februari sampai dengan September 2012 dilakukan kajiandengan tujuan mengidentifikasi karakteristik agroekologi dan teknispengelolaan kebun kelapa sawit rakyat yang berpeluang diperbaiki agarproduktivitas kebun kelapa sawit rakyat meningkat. Kebun kelapa sawitrakyat yang diidentifikasi dipilih secara acak di tujuh kabupaten diProvinsi Lampung. Pengumpulan data dilakukan melalui survei danwawancara petani. Rata-rata produksi tandan buah segar (TBS) kebunkelapa sawit rakyat di Lampung masih rendah (15 ton/hektar/tahun).Produksi ini berpeluang ditingkatkan melalui penerapan teknologi yangdapat mengatasi sifat-sifat agroekologi sebagai faktor pembataspertumbuhan dan produksi kelapa sawit, seperti ketersediaan air, retensihara, dan bahaya erosi. Teknologi yang dibutuhkan untuk mengatasikendala tersebut antara lain membangun irigasi suplemen, meningkatkankemampuan tanah dalam menyimpan air, memperbanyak penggunaanbahan organik dan kapur, serta mengaplikasikan teknologi konservasitanah dan air. Produktivitas kebun kelapa sawit rakyat akan berpeluangmeningkat  seiring  dengan  bertambahnya  umur  tanaman,  sertameningkatnya penggunaan pupuk organik untuk tanaman yang telahmenghasilkan (TM) dan pupuk NPK untuk tanaman belum menghasilkan(TBM). Pembinaan petani perlu diintensifkan untuk meningkatkankesadaran petani akan pentingnya memupuk TBM. Hasil analisismengindikasikan bahwa pemupukan NPK untuk TBM berkorelasi positifdengan produktivitas kelapa sawit.Kata kunci: Elaeis guineensis Jacq., agroekologi, pengelolaan kebunkelapa sawit rakyat, produktivitasABSTRACTProductivity of smallholder oil palm in Lampung province is stillrelatively low compared to the potential for optimal productivity. A studywas conducted with regard to that, from February to September 2012 toidentify the agroecological characteristics and technical management ofsmallholder oil palm plantations that likely to be improved in order toincrease the productivity of oil palm of smallholder. Smallholderplantations studied were randomly selected, each 1 sites in seven districtsin Lampung Province and data collection was conducted through surveysand interviews of farmers. Average production of fresh fruit bunches(FFB) of smallholder oil palm plantations in Lampung are still low (15tons/hectare/year). The production is likely to be enhanced through theapplication of technology that is able to cope with the nature ofagroecology as the constraints of growth and production of oil palm,namely the availability of water, nutrient retention, and erosion hazard.The technology needed to overcome the obstacles include supplementingirrigation, increasing the soil's ability to store water, multiplying the useof organic materials and lime, and applying soil and water conservationtechnologies. Besides that, oil palm productivity of smallholder likelyincrease, along with the increasing age of the plant, the growing use oforganic fertilizer for plants that have produced (TM) and NPK fertilizerfor immature plants (TBM). Development of farmers needs to beintensified to increase farmers' awareness of the importance of fertilizingthe TBM. The results of the analysis indicated that NPK fertilization forTBM positively correlated with the productivity of oil palm.Keywords: Elaeis guineens

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