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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.
Arjuna Subject : -
Articles 4 Documents
 1 
Search results for , issue "Vol 21 No 1 (2005)" : 4 Documents clear
Yielding and its adaptability of several promising bulk cocoa clones Dedy Suhendi; Surip Mawardi; Hendro Winarno
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 21 No 1 (2005)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v21i1.122

Abstract

Yielding and its adaptability are considered to be an important criteria for clones recommendation. An experiment to evaluate yield and its adaptability of several promising bulk cocoa clones has been executed during 1996—2003 in three locations having different altitude and type of climate, consisted of Jatirono(450 m asl., B type of climate), Kalisepanjang (275 m asl., C type of climate) and Kalitelepak (145 m asl., B type of climate). Randomized completely block design (RCBD) was used in each location with 14 promising clones and four replications. Recommended clones of ICS 60 and GC 7 were used as standard. The promising clones were originated from mother trees selection with the main criteria of yield. Observations were conducted on yield and its components as well as bean characteristics. Determination of adaptability of each clone by using yield performance and its stability. Statistical analysis was done by using combined analysis. The results showed that KW 30 and KW 48 perform higher yield (2.3 ton/ha) than that of standard clone (1.7 ton/ha) as well as consistant yield stability between location and over years. There for, the two clones performed good adaptability. KW 30 and KW 48 also perform good yield components, and high percentage of fat content i.e 55%. So, those clones are potential to be recommended for commercial planting materials. Key words : bulk cocoa, yield, clone, stability, adaptability.
(Agronomical and anatomical study of resulted early cocoa (Theobroma cacao L.) grafting Adi Prawoto; Nurul Qomariyah; Sri Rahayu; Bambang Kusmanadhi
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 21 No 1 (2005)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v21i1.123

Abstract

Cocoa grafting and budding is usually carried out on 4-5 month old seedling, thus it needs 9-12 months to be ready tranplanted to the field. Effort to shorten time in the nursery can be done by early propagation. The aim of this research was to study effect of clones, tying and foliar application of grafsticks on the percentage of graftake. This study was carried out in Kaliwining Experimental Station, 45 m a.s.l. and D climate type (Schmidt & Ferguson). First experiment was RCBD design and replicated 3 times, and factorial treatment 4 x 3. The first factor were clones, i.e. TSH 858, ICS 13, ICS 60 and DR 2, the second factor was grafstick wiring, i.e. without, wiring 2 and 4 weeks before using. The 2nd experiment using RCBD design replicated 3 times and factorial treatment 3 x 3 x 2. The first factor was clones, i.e. KW 162, KW 163 and KW 165; the second ones was wiring, i.e. without, wiring 2 and 4 weeks before using, and the 3rd factor was manuring, i.e. with and without foliar application. Rootstock was ICS 60 seedlings of 30 day old, and grafting method was cleft grafting above cotyledons. Variables observed include C and N total of the grafstick, percentage of graftake, shoot length, diameter, wet and dry weight. The result showed that because the grafstick flush periodically, graftstick wiring was not effective to increase total nutrient (C and N) on the grafstick. Furthermore, their effect on the graftake was not significant. Until 30 days first, percentage of graftake was 90-100%, but then decreased sharply to 30-60% depend on the clones. From the first experiment, DR 2 showed the highest graftake (62%), and KW 162 (39%) was the 2nd ones. Symptom on the death plants was started on the new leaves, that showed wilt, necrotic then fall. Isolation of those symptoms in the laboratory showed that Rhizoctonia solani, Phytophthora palmivora and Colletotrichum gloeosporioides. Anatomical analysis of the death graft union showed parenchymatous linked, weak and hollow when microtomised. Health union showed lignified accumulation that made tight union. It can be concluded that early cocoa grafting will success if the nursery is separated far from cocoa plantation, the medium is steril from soil borne disease, the graftstick is health, and tying of graft union must tight enough, then disease control must be done properly.Key Words : Theobroma cacao, clone, wiring, graft union, graftake.
Organic matter and soil moisture content and double cropping with organic matter sourceplants John Bako Baon; Aris Wibawa
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 21 No 1 (2005)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v21i1.124

Abstract

Double cropping of coffee with organic matter source plants is thought to increase organic matter content of soil. This study examined the effect of double cropping of coffee and organic matter source plants on soil organic matter content and yield of coffee plants. Arabica coffee trees in Andungsari Experimental Station (Bondowoso district), 1400 m asl. and climate type C; and Robusta coffee trees in Sumberasin Experimental Station (Malang district), 550 m asl. and climate type C, were used as experimental sites of this study which lasted for five years. Organic matter source plants consisted of some species that can be routinedly pruned and surface applied to coffee soil, and other creeping species that not being pruned, however the organic matter source derived from their fallen leaves. Application of farm manure and control (neither organic matter source plants nor farm yard manure) were used as comparison treatments. Results indicate that Ramayana (Cassia spectabilis) had vigorus growth resulting in greater biomass production compared to lamtoro (Leucaena leucocephala), mogania (Moghania macrophylla) and even kaliandra (Calyandra calothyrsus) which produced greater biomass among organic matter source plants grown in Arabica coffee farming. Double cropping of coffee with organic matter source plants did not affect soil organic matter content of Arabica and Robusta coffee farmings, though farm yard manure application increased soil organic matter content and soil bulk density, especially of Robusta coffee farm. Soil moisture content examined in dry season was not affected by double cropping. In contrary, Robusta coffee farm applied with farm yard manure had higher soil moisture content. At Arabica coffee farm, double cropping did not influence green coffee yield, on the other hand Ramayana reduced green coffee yield of Robusta coffee while farm yard manure increased the yield.Keywords : Coffeea arabica, Coffeea canephora, organic matter, soil moisture, double cropping, biomass producing plants.
Performance of a table vibration type coffee grading machine Sukrisno Widyotomo; Sri Mulato
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 21 No 1 (2005)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v21i1.125

Abstract

One of important coffee beans quality is the size uniformity. To confirm with the standart requirement, coffee beans have to be graded before being traded. Until now, grading process is still carried out fully manual, so that the grading cost is very expensive about 40% of total processing cost. Meanwhile, shortage of skill workers is as a limiting factor of the process. Therefore, machine for grading coffee beans is good alternative for grading cost. Indonesian Coffee and Cocoa Research Institute has designed a table vibration type coffee grading machine for grouping of coffee beans in order to consistent quality and reduce grading cost. The machine has dimension of 272 cm length, 126 cm height, and 144 cm width. The machine has three primary components, i.e. grader table, combustion engine, and beam. The machine has three kinds of grader table that each grader table has different holes size, i.e. 7 mm x 7 mm for top grader table, 5 mm x 5 mm for axle grader table, and 4 mm x 4 mm for bottom grader table. Each grader table has dimension of 206 cm length, 105.5 cm height, and 14 cm width. The grading mechanism is by vibration grader table with the power source 5.5 HP combustion engine. The results shown that the outlet are in farms of three grades of coffee beans with connected to each compartement. Assessment of the grading machine reveals that the optimum capacity of 1,406 kg/hour reached when the speed 2,600 rpm and the angle 10O. Economic analysis showed that operational cost for grading one kilogram Robusta coffee beans with moisture content 13—14% wet basis is Rp 7.17.Key words : grading, coffee, quality, vibration table.

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