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INDONESIA
Pelita Perkebunan
Published by Pusat Penelitian Kopi dan Kakao Indonesia
ISSN : 02150212     EISSN : 24069574     DOI : https://doi.org/10.22302/iccri.jur.pelitaperkebuna
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Pelita Perkebunan, Coffee and Cocoa Research Journal (CCRJ): ISSN:0215-0212 Since its establishment in 1911, Indonesian Coffee and Cocoa Research Institute (ICCRI) formerly Besoekisch Proefstation, had published its research findings through a journal call Mededelingen van het Besoekisch Proefstation. Between 1948-1981 the research institute was under the supervision of Bogor Research Institute for Estate Crops, and published its research findings through De Bergcultures which was later changed to Menara Perkebunan. Since the institute held the national mandate for coffee and cocoa commodities, and due to rapid increase in the research findings, ICCRI published its first issue of Pelita Perkebunanjournal in April 1985. Pelita Perkebunanis an international journal providing rapid publication of peer-reviewed articles concerned with coffee and cocoa commodities based on the aspects of agronomy, plant breeding, soil science, crop protection, postharvest technology and social economy. Papers dealing with result of original research on the above aspects are welcome, with no page charge. Pelita Perkebunan is managed by Indonesian Coffee and Cocoa Research Institute (ICCRI), which publish the research findings not only for coffee and cocoa but also other commodities relevant with coffee and cocoa, i.e. shade trees, intercrops and wind breakers.
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Articles 5 Documents
 1 
Search results for , issue "Vol 25 No 1 (2009)" : 5 Documents clear
Performance of a Horizontal Double Cylinder Type of Fresh Coffee Cherries Pulping Machine Sukrisno Widyotomo; Sri Mulato; H Ahmad; s Soekarno
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 25 No 1 (2009)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v25i1.107

Abstract

Pulping is one important step in wet coffee processing method. Usually, pulping process uses a machine which constructed using wood or metal materials. A horizontal single cylinder type coffee pulping machine is the most popular machine in coffee processor and market. One of the weakness of a horizontal single cylinder type coffee pulping machine is high of broken beans. Broken beans is one of major aspect in defect system that result in low quality. Indonesian Coffee and Cocoa Research Institute has designed and tested a horizontal double cylinder type coffee pulping machine. Material tested is Robusta cherry, mature, 60—65% (wet basis) moisture content, which size compostition of coffee cherries was 50.8% more than 15 mm diameter, 32% more than 10 mm diameter, and 16.6% to get through 10 mm hole diameter; 690—695 kg/m3 bulk density, and clean from methal and foreign materials. The result showed that this machine has 420 kg/h optimal capacity in operational conditions, 1400 rpm rotor rotation speed for unsorted coffee cherries with composition 53.08% whole parchment coffee, 16.92% broken beans, and 30% beans in the wet skin. For small size coffee cherries, 603 kg/h optimal capacity in operational conditions, 1600 rpm rotor rotation speed with composition 51.30% whole parchment coffee, 12.59% broken beans, and 36.1% beans in the wet skin. Finally, for medium size coffee cherries, 564 kg/h optimal capacity in operational conditions, 1800 rpm rotor rotation speed with composition 48.64% whole parchment coffee, 18.5% broken beans, and 32.86% beans in the wet skin.Key words : coffee, pulp, pulper, cylinder, quality.
Ecosystem Service of Shade Trees on Nutrient Cycling and Productivity of Coffee Agro-ecosystems Rusdi Evizal; Tohari Tohari; Irfan D. Prijambada; Jaka Widada; Donny Widianto
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 25 No 1 (2009)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v25i1.108

Abstract

Shade trees are significant in certification scheme of sustainable coffee production. They play an importance role on ecosystem functioning. This research is aimed to study ecosystem service of shade trees in some coffee agro-ecosystems particularly on nutrient cycling and land productivity. Four agro-ecosys tems of Robusta coffee (Coffea canephora), namely sun coffee (without shade trees), coffee shaded by Michelia champaca, coffee shaded by Gliricidia sepium, and coffee shaded by Erythrina indica are evaluated during 2007—2008. Smallholder coffee plantation in Sumberjaya Subdistrict, West Lampung, which managed under local standard were employed using Randomized Complete Block Design with 3 replications. The result showed that litter fall dynamic from shade trees and from coffee trees was influenced by rainfall. Shade trees decreased weed biomass while increased litter fall production. In dry season, shade trees decreased litter fall from coffee shaded by M. champaca. G. sepium and E. indica shaded coffee showed higher yield than sun coffee and M. champaca shaded coffee. Except for M. champaca shaded coffee, yield had positive correlation (r = 0.99) with litter fall production and had negative correlation (r = —0.82) with weed biomass production. Biomass production (litter fall + weed) of sun coffee and shaded coffee was not significantly different. Litter fall of shade trees had significance on nutrient cycle mainly to balance the lost of nitrogen in coffee bean harvesting.Key Words: Coffea canephora, Michelia champaca, Gliricidia sepium, Erythrina indica, litter production, nutrient cycle, coffee yield.
The Effect of Pod Age Development of Some Cocoa Clones to the Expression ofPod Characteristics Related to Cocoa Pod Borer (CPB) Resistance Agung Wahyu Soesilo; Woerjono Mangoendidjojo; Witjaksono Witjaksono; Surip Mawardi
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 25 No 1 (2009)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v25i1.109

Abstract

This paper reports the effect of cocoa pod development on the performance of pod characteristics which affects to Cocoa Pod Borer resistance. Four cocoa clones performing different response to CPB infestation, namely KW 514 (resistance), ARDACIAR 10 (resistance), KW 411 (moderate resistance) and RCC 72 (susceptible) were tested. Pod samples of the clones were harvested in three different plants referring to pod age of 3.0; 3.5; 4.0; 4.5; and 5.0 month. Each pod was seized on the tissue at three different points of middle pod for analysis of trichome density, number of the distributed granule of tannin in mesocarp and lignification at sclerotic layer using microchemical technique in microscopic assessment. The pod development significantly affected the expression of tannin granule and it was described qualitatively of the effect to intensity of lignification at sclerotic layer. KW 514 and KW 411 performed the highest number of tannin granule, namely 1.13 and 1.11 per mm2 and the performance decreased linearly during pod development. The significant decrease was expressed at 3.5–4.0 month of pod age. It was identified a trend of linear decrease for trichome density and KW 411 performed the highest density of the trichome, namely 7.14 each mm which was expressed maximally at 3.0 month of pod age. The sclerotic layer of ARDACIAR 10 was lignified earlier and the tissue show more compact than KW 411 and RCC 72. This result indicated that the optimal expression of CPB resistance was performed at the pod age of 3.0–4.0 month.Key words: Theobroma cocoa L., pod development, resistant characteristics, cocoa pod borer
Packaging of Post Acclimatized Somatic Embryogenesis Cocoa Plantlet (Theobroma cacao L.) Soedarsianto Soedarsianto; Teguh Iman Santoso
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 25 No 1 (2009)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v25i1.110

Abstract

Clonal plants that produced by somatic embryogenesis technique is one of the best choice to produce supperior clonal cacao (Theobroma cacao L.) planting materials. The somatic embryogenesis technique is a possible way for massive propagation, the outcome is true to type plants, the architecture similarity that the seedlings but there is not segregation like seedlings plants. At present mass production started of plantlets production until post-acclimatized plantlets of somatic embryogenesis cocoa was done at Indonesian Coffee and Cocoa Research Institute. Distribution system of the planting materials to whole areas in form of as up-rooted post-acclimatized plantlet. Some problems identified to reduce probability of decreasing viability of up-rooted post-acclimatized plantlets and one of them is extreme internal water deficit. This research investigate of the influece storage condition (air tight and non-air tight) and box storage (mica plastic and cardboardbox). The first experiment result show, there is no significant different between mica plastic and cardboard box usage for storage of post-acclimatized cocoa pantlet. Viability of up-rooted post acclimatized cocoa plantlet influenced exactly by air tight and non-air tight storage condition. Air tight storage condition have better viability of up-rooted post acclimatised (81,58%) than non-air tight storage condition (65,00%). Leaf sanasence on air tight storage condition (10,33%) lower than non-air tight storage (32,58%). There is not significantly on volume storage per plantlet between 4.416 cm3 and 12.600 cm3. Relationship between fallen leaves and cocoa planlet viability follow negative linear correlation y = -1,4719x + 104,88 (R2 = 0,9772). The second experiment treatment showed that maximal storage periode of post cclimatized cocoa plantlet just until 6 days stored (97%) and not significant with 3 days one. Viability of post acclimatized cocoa plantlet decreased after 6 days storage period.Key words : Somatic embryogenesis, post acclimatized cacao plantlet, storage condition, box storage, volume storage, storage period and viability.
Added Value Improvement on Arabica Coffee Wet Process MethodUsing Model Kemitraan Bermediasi (Motramed) on Unit Pengolahan Hasil at Ngada Residence - NTT Djoko Soemarno; Surip Mawardi; Maspur Maspur; Henik Prayuginingsih
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 25 No 1 (2009)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v25i1.111

Abstract

Ngada Residence is main producen region Arabica coffee in Nusa Tenggara Timur province. There are scattered on district of Bajawa and Golewa, that all of them effort by farmers and low quality, so farmers get low price and coffee development slowly than other coffee region in Indonesia. But, on the other hand, Arabica coffee from this region have potential special taste to be export quality coffee beans. One of way to solve to develop this quality is implementation coffee processing by Wet Process methode and support marketing system better by Model Kemitraan Bermediasi (Motramed). This research started from June until October 2007 at two centre district of Arabica coffee, there are district Bajawa are UPH Fa Masa on Beiwali village, UPH Wonga Wali on Susu village, UPH Papa Taki on Bomari village, UPH Suka Maju on Ubedolumolo village and Kecamatan Golewa are UPH Papa Wiu on Mangulewa village, UPH Meza Mogo on Rakateda II village and UPH Ate Riji on Were I village. This research want to know added value, cost efficiency, and profit on Arabica coffee processing used wet process methode on Unit Pengolahan Hasil (UPH) at Ngada Residence. Data was analysed by approximation added value, R-C Ratio analisys and t-One Sample Test. The result showed that Arabica coffee wet process could improved phisic and taste quality, lower of beans size, higher quality grade, smaller defect beans, moisture content lower, had special taste and very few taste defect. Those quality improvement improved price market to be higher, the added value about Rp4,390,- per kg and improved profit for farmers.Key words : Arabica coffee, wet process, quality, added value, efisiency, revenue.

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