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INDONESIA
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 5, No 1 (1999): Juni, 1999" : 6 Documents clear
PENGARUH JENIS ADSORBEN DAN LAMA PEMUCATAN TERHADAP KARAKTERISTIK MUTU MINYAK KEM1RI M. P. LAKSMANAHARDJA; CHRISTINA WINARTI; DJAJENG SUMANGAT; B. SOFIANNA SEMBIRING
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.13-17

Abstract

Effect of adsorbent type and bleaching process time on the characteristics ofcandle nut oilResearch on bleaching of candle nut oil was conducted in Laboratory of Postharvest Technology, RISMC from November 1995 to March 1996. The crude candle nut oil has to be purified so that it can be used for many purposes and it can increase the storage peiode One of the stages in puification is bleaching The aims of study were lo find out the type and amount of adsorbent and the bleaching time The experiment used completely randomized design with factoial expeiment and two replications Treatments tested were types of adsorbent (A): activated charcoal, coconut shell charcoal and ash of paddy busk, amount of adsorbent with 1. 2. aid 3% oil weight; and bleaching time (B): 1. 2. and 3 hours. Result showed that type of adsorbent gave a significant effect on saponification vahie, acid value and FFA content; bleaching time affected on acid value and FFA content. There was no significant effect on iodine value in all of the treatments tested. The optimum treatment combina¬ tion was activated charcoal, with 1% concentration for one hour.
PENGARUH CEKAMAN AIR TERHADAP PERTUMBUHAN DAN PRODUKSI PADA TANAMAN JAMBU MENTE M. YACUB LUBIS; JOKO PITONO; PASRIL WAHID
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.1-7

Abstract

Effects of water stress on plant growth and production of cashewTo complete the characteristic tests of prospective numbers of cashew (Anacardium occidentale L). research on the production stability and envi¬ ronmental stress tolerance were conducted. The objectives of the research were to study the effects of the water stress on the growth performance, inflorescent formation, production and quality of cashew. The research activi¬ ties wee caried out at Cimanggu Research Insulation from Apil 1995 to March 1998. The research used factorial randomized block design with 3 replications and 4 plants per pot. The treatments tested were wateing intervals (A) of 2, 4. 8. and 12 days with 9 mm deep of water for each treatments Prospective numbers of cashew (N) namely Pecangakan. Jepara F2-10. Balak¬ risnan B-02. and Silanka S-21. The results obtained 13 months ater gratings or 11 months ater the application showed that water stress and prospective numbers significantly affected the vegetative growth of the plants namely plant height, primary branch number, secondary branch numbers and canopy diameter. Amongst the prospective numbers, Balakrisnan B-02 had lower growth rate compared with Pecangakan. Jepara F2-I0, and Silanka S-21. Water stress significantly affected the formation of inflorescence, which tended to decrease along with the increase of water stress. On the same level of water stress, the inflorenscent formation of Jepara F2-10 was more domi¬ nant than the other numbers. However the proportion of male flowers, hermaprodite, and the ratio ofhermaprodite flowers to total number of flowers wee not significantly affected by water stress. The difference of inflorescent formation of prospective numbers was significant on the formation of the male flowers only, the highest was Srilanka S-21 and the lowest was Jepara F2- 10. The water stress showed significant effect on the number of the pods per tree, production and the protein content of the cashew nuts. The number of pods per tree and the production tended to decrease along with the increase of water stress, while the protein content of the cashew nut tend to increase along with the water stress incease The number of pods and production per tree were highest on Balakisnan B-02 followed by Pecangakan. Jepara F2-10 and Silanka S-21. espectively, where as the highest protein content of Ihe cashew kernel was on Balakrisnan B-02.
RESPONSE OF FIVE KENAF ACCESSIONS TO SHOOT REGENERATION RULLY D. PURWATI; SUDJINDRO SUDJINDRO; SUDARMADJI SUDARMADJI
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.31-37

Abstract

This expeiment was aimed to study response of fives kenfa accession to shoot regeneration and to establish an appropriate regeneration protocol for kenaf. Theexpeimentwasperformed at Tissue Culture Laboratory Research Institute for Tobacco and Fibre Crops (RITFC), Malang. from June to Octo¬ ber 1997 Cotyledons with plumules attached were used as explanls and culture medium for callus induction was MS-based medium with BAP (2 mg/1) and NAA (0 5 mg/1). Calli produced in this cultures were transferred into MS-based medium containing BAP (2 mg/1) and GA.i (5 mg/1) for shoot initiation. All shoots obtained were then sub-cultured in MS-based medium without regulators (MSO) for root formation. Rooted shoots (plantlets) were acclimatized in the sterile sand and transferred mto sterile soil in the glass house. Results of this experiment showed that the most responsive accessions were Cuba 108/1. followed by KK 60, He 48. PI 324922. and CHN/ 056 H with the average number of shoots per explant 4.32 * 4.21,4.00 + 4.01.3.05 + 2.98,2.80 + 1.47. aid 2.72 + 2.49. respectively, at 40 days ater transfering on shoot regeneration medium Shoots rooted ater 14 days on MSO medium with frequencies of 81 50-93.30%. Healthy plantlets survived and grew well in soil media in the glass house. Therefore, an appropriate shoot regeneration protocol for kenaf was found.
PENGARUH AZADIRACHTIN A TERHADAP SERANGGA Dolleschalia polibete AGUS KARDfNAN; IKA MUSTIKA; MOMO ISKANDAR; CUCU SUKMANA
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.8-12

Abstract

Research on the effect of azadirachtin A isolated from neem tree (Azadirachla tndica A Juss) on msect Dolleschalia polibete. the most poten¬ tial insect destroying Graptophyllum pictum crop was caried out at the Entomological laboratory duing November 1997 to May 1998 The objective of the research was to evaluate the effect of azadirachtin A on some biological aspects of D. polibete. The formulation was obtained from FID Parry Ltd. (India), containing 1% azadirachtin A. The concentration recommended was 2-4 ml of formulation It of water or equal to 20-40 ppm of azadirachtin A The insects tested were obtained by reaing them in a screen house. Research was arranged in a completely randomized design, and randomized block design (for ovicidal). 6 treatments and 4-6 eplications. The treaments were concentrations of azadirachtin A (I) 80 ppm (2) 40 ppm (3) 20 ppm, (4) 10 ppm. (S) 5 ppm and (6) 0 ppm. Research consisted of three activities, i.e. effect of neem extract on (1) insect mortality and the survival rate. (2) as antifeedant, and (3) asovicidaon the insect. Results showed that azadirachtin A killed the insect slowly, it needed 3-10 days. Azadirachtin A acted as a growth inhibitor shown by the fact that at 5 and 10 ppm azadirachtin A, some pupae became malformed adults and other pupae died in a failed molt attempt Azadirachtin functioned as an antifeedant on some adult insects where the pupae were malformed and died on antifeedant and inhibit about 40% of feeding deference. Azadirachtin A also acted as an ovicidal inhibited about 50% egg-hatching.
RENTABILITAS BUDIDAYA LADA PERDU DAN LADA TIANG PANJAT MATI ROSMEILISA, PUTI; SURMAINI, ELZA; SYAKIR, M.
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.18-24

Abstract

Rentability of bushy black pepper and dead-pole pepperBushy black pepper (Piper nigrum L) is a cultivation of pepper without using pole. The objective of the research was to obtain the entability of bushy black pepper and dead-pole pepper. The research was conducted in Bangka distict in November 1996. The study of bushy black pepper was a case study, because there was only one farmer that carried out bushy black pepper farming. The study of dead-pole pepper used 25 farmers. The methods used to analyze additional value were financial analysis, sensitivity analysis, and qualitative-desciptive analysis. The result showed that the cost of bushy black pepper farming system (Rp 5 043 974/ha) was lower than that of dead-pole pepper (Rp 9 609 71 l/ha). Net Present Value (NPV). B/C ratio and Intenal Rate ofRetum(IRR)ofbushy black pepper was higher than that of dead-pole pepper. NPV of bushy black pepper was Rp 5 252 917/ha and dead-pole peppers was Rp 2 724 199/ha. B/C ratio of bushy black pepper is 2.04 and dead-pole pepper was 1.28. Internal rate of return (IRR) was 110%forbushy black pepper and 42% for dead-pole pepper.
PENERAPAN PAKET TEKNOLOGI TUMPANGSARI KAPAS DAN KEDELAI PADA LAHAN SAWAH SESUDAH PADI MOCH. SAHID; NURHERU NURHERU; S. A. WAHYUNI
Jurnal Penelitian Tanaman Industri Vol 5, No 1 (1999): Juni, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n1.1999.25-30

Abstract

Application of technology package of cotton intercropped with soybean in paddy field after riceThe research was conducted in Mantup Village, Larnongan from Feb¬ ruary to July 1998. The objective of the research was: (1) to know the farmers' adoption level of the recommended technologies, and (2) to increase the income of cotton farmers The research covered 30.47 hectaes and 83 cooperative fanners. For comparison, the other 29 IKR farmers surrounding the area were also involved The components of technology that are recom¬ mended for the cooperative farmers include the usage of delinted seeds and the appropiate vaiety of cotton (ISA 205) and soybean (Wins), simultaneous planting ight away after ice, proper application of watering aid fertilization and application of fPM for cotton intercropped with soybean. The observa- tions were made for the number of farmers who applied the recommended technologies, production inputs and their price, the use of labor, production of cotton and soybean. Data analysis was done as per tabulation and enter¬ pise The average of farmers' adoption level of the recommended technology was around 89%. The productivity of cotton and soybean obtained by cooperative farmers were 1 630 kg/ha and 747 kg/ha. respectively. These were higher than those of IKR farmers wbo obtained 1212 kg/ha and 735 kgAia for cotton and soyben. respectively The income of cooperative farmers was Rp 1 901 300 and of DCS farmers was Rp I 197 825 Therefore, the cooperative farmers have a higher income than that of OCR fanners, i.e. Rp 703 475 or 58.73%.

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