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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 6 Documents
 1 
Search results for , issue "Vol 27 No 3 (2011)" : 6 Documents clear
Identification of Quantitative Trait Loci Determining Vegetative Growth Traits in Coffea canephor Priyono Priyono; Ucu Sumirat; Crouzillat Crouzillat
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 27 No 3 (2011)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v27i3.153

Abstract

Recently the use of molecular markers has been successfully applied for some crops. For coffee, new opportunities have been opened since Nestlé R&D Centre in collaboration with ICCRI completed the first genetic map of Coffea canephora. This study was aimed both to evaluate the phenotypic trait and also to identify the quantitative trait loci (QTLs) controlling the vegetative growth in Robusta coffee. Present study used three C. canephora populations and six genetic maps developed based on these populations using simple sequence repeats (SSRs) and single nucleotide polymorphisms (SNPs) markers. A total of 17 different quantitative data were used for the detection of QTLs on each of three populations. Present result showed that most of these traits were not heritable. The nine vegetative traits have been identified and distributed over seven different linkage groups. Due to some QTLs determining one given trait were overlapping on the same linkage group and were coming from the same favourable parent, a total of 19 QTLs detected for vegetative traits might finally be considered as only 12 QTLs involved. However, only two of them were shared for different traits. One involved for the number/length of primary branches and width of the canopy while the other for length of internodes and width of canopy. These two QTLs might determine the size of the tree canopy in this species. Key words: Coffea canephora, heridity, quantitative trait loci (QTLs), vegetative growth.
Analysis for Yield Stability of The Promising Cocoa Hybrids at Diverse Agro-climatic Conditions Agung Wahyu Soesilo
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 27 No 3 (2011)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v27i3.154

Abstract

Analysis for yield stability on cocoa hybrids has objective to select high yielding hybrid with stable performance throughout the different agro-climatic conditions. These hybrids were crossed between selected clones of TSH 858, KEE 2, KW 162, KW 163 2, KW 165, ICS 13 and NIC 7. Fourteen hybrids were tested with control in a series of multilocation trial at the locations which were classified by altitude and climate differences such as lowland of dry climate in KP Kaliwining, lowland of wet climate in Kalitelepak Plantation, medium highland of wet climate in Jatirono Plantation and medium highland of dry climate in KP Sumber Asin. Trials were established at the randomizedcomplete block design with 4 blocks where in a plot planted 16-24 trees. Yield assessment was evaluated during 4 consecutive years of harvest by counting the number of pods per tree then converted using yield components and bean quality. Stability analysis was performed in linier basis for the yield. The combined analysis of variance performed a significant effect of interaction between hybrid and location within year that means an effect of genotype by environment interaction. Of the tested hybrids, TSH 858 x KEE 2, TSH 858 x KW 162, KW 162 x KEE 2 and the reciprocal performed higher value of the yield than control with deviation to regression (S2di) equal to zero and coefficient of regression (bi) equal to one except for KEE 2 x KW 162 with bi >1. It could be interpreted that those hybrids were stable to perform the yield and well adapted through the locations except for KEE 2 x KW 162 which specifically adapted to the more suitable condition. By respecting to the potency of yield, bean quality and vascular streak dieback resistance, TSH 858 x KW 162 has been released as new hybrid variety and renamed as ICCRI 06H. The hybrid was characterized by the yield potency of 1.99 kg/tree, a dry bean of 1.07 g and fat content of 54.3%. Key words: Stability analysis, yield, Theobroma cacao L., promising hybrids, agro-climatic condition.
Indication of Xenia Effect on Cocoa (Theobroma cacao L.) Indah Anita-Sari; Agung Wahyu Susilo
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 27 No 3 (2011)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v27i3.155

Abstract

Cocoa plant generally is classified as cross pollinated plant and self-incompatible plant, then there is indication the presence of pollen influence on cocoa bean quality. This study was aimed to determine the effect of pollen sources (xenia) on the colour and size characters of fresh cocoa beans (Theobroma cacao L.). This study was done on two stages. The first stage, a treatment of hand pollination of cocoa clones of DR 1, DR 2, DRC 16, KW 264 and ICCRI 03 was applied in this study. There were five treatments of hand pollination: DR 2 x DR 1, DRC 16 x DR 1, DRC 16 X KW 264, DR 1 x DR 2 and ICCRI 03 x DRC 16. Each treatment was repeated four times. Colour parameters of fresh cocoa beans were observed. The second stage consisted of nine hand pollination combinations: TSH 858 x Sulawesi 1, TSH 858 x ICCRI 03, TSH 858 x KW 264, TSH 858 x KW 570, TSH 858 x Sca 6, Sulawesi 1 x TSH 858, Sulawesi 1 x Sca 6, Sulawesi 1 x KW 570 and KW 516 x Sca 6. Each treatment was repeated three times. Size parameters of fresh cocoa pod and beans were observed. The result showed that hybridization using pollen source from bulk cocoa and DR 1 contributed dark colour to fineflavored cocoa. This colour contribution was showed by the increase in the dark fresh percentage of cocoa beans. On the other hand, hybridization using pollen source from fine-flavored cocoa contributed white and pale colour to bulk cocoa. This light colour contribution was showed by the decrease in the percentage of the dark fresh beans. Xenia effect occured on pod weight, pod length, pod girth, bean weight with pulp per pod and bean weight without pulp per pod which was shown by the hybridization with TSH 858 as female parent and weight bean without pulp per pod shown by the hybridization with THS 858 and Sulawesi 1 as female parent. Key word: Xenia, fresh beans colour, fresh beans size, Theobroma cacao L.
Use of Sub-Surface Soil Water in Robusta Coffee Field Through Organic Matter Wicks Pujiyanto Pujiyanto
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 27 No 3 (2011)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v27i3.156

Abstract

One of the most important cocoa diseases is vascular streak dieback (VSD), caused by Oncobasidium theobromae. The serious attacks of this disease caused death of the plants more than 70%. Mechanical, culture technique, and chemical control still do not produce satisfactory result. Boron and silicon are essential elements potential to be used to improve natural resistance. This research was conducted to identify the effect of boron and silicon in controlling VSD attack and its effect on seedling growth. The research was conducted in Kaliwining Experimental Station of Indonesian Coffee and Cocoa Research Institute, Jember, East Java. The treatments was designed by randomized completely block design with two factors and five replications. The first factor was boron in form of H3BO3 and silicon in form of Si(OH)4. The second factor was concentrations of 75 ppm, 150 ppm, 300 ppm and 0 ppm as a control. The results showed that application of boron and silicon with foliar spray significantly improve those nutrients content in plant shoots. Application of boron improved polyphenol, cellulose and lignin content whereas application of silicon had no effect on the concentration of polyphenol and lignin, but concentration of 75 ppm increased cellulose content. Application of boron significantly decreased VSD disease on cocoa seedlings while application of silicon showed no significant effect on reducing the attack VSD disease. Boron application accelerated plant growth whereas silicon application did not retard seedling growth. Key words : Systemic, inducing, resistance, boron, silicon, VSD and cocoa.
Systemic Inducing Resistance on Cocoa Seedling Against Vascular Streak Dieback By Boron and Silikon Application Fitria Yuliasmara; Sri Sukamto; A. Adi Prawoto
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 27 No 3 (2011)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v27i3.157

Abstract

Black pod rot disease (BPRD) which is caused by Phytophthora palmivora is one of the main diseases of cocoa cultivations particularly in plantations with wet climate. Black pod rot can develop rapidly under high humidity environments, particularly during rainy seasons. This disease can cause loss of harvest of up to 46.63% in East Java. The various control efforts attempted so far have not resulted in significant improvements. Urea, in addition to functioning as fertilizer, can also produce the ammonia gas which is believed to be able to suppress black pod rot. This research aims to determine the effectiveness of black pod rot control using the combination of lime and urea. This research was conducted from June to September 2013. The materials used in test included sterile soil, black pod rot infected cocoa, urea, and agricultural lime. Observation results showed that ammonia could form from urea. Lime can increase the speed of the formation. The ammonia gas forming from 0.06% urea and 0.3% lime can control the P. palmivora fungus inside the soil. Key words: Pod rot, P. palmivora, urea, lime, ammonia
Effects of Fructose and Tapioca Flour on physical and Sensory Properties of Chocolate Bar Misnawi Jati
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 27 No 3 (2011)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v27i3.158

Abstract

High sucrose content in chocolate is not recommended for diabetics, whereas fructose is a simple monosaccharide which is sweeter and safer for replacing sucrose. Objective of this study was to study the effect of fructose and tapioca flour added into chocolate formulation replacing sucrose on physical and organoleptic properties of chocolate bar produced, as well as to find out their optimum concentration to produce a good quality chocolate. Response Surface Methodology design was used for the study with fructose and tapioca flour range concentration at 141–235 and 25–100 g kg-1, respectively. Results of the study showed that fructose and tapioca flour concentration at the stated ranges did not significantly alter the chocolate properties except on chocolate particle size and preferences in terms of taste, aroma and overall acceptance. Fructose concentration improved particle size quadratically, while tapioca flour concentration linearly decreased taste, aroma and overall acceptance scores. Comparing the products with that of control formula concluded that fructose can be used to replace sucrose to produce good quality chocolate bars; while tapioca flour can be used as filler at a concentration up to 25 g kg-1. The optimum concentration to formulate chocolate bars with good physical and organoleptic properties was at fructose and tapioca flour concentration of 203 and 25 g kg-1, respectively. Key words: Cocoa, chocolate, fructose, diabetes, tapioca flour, flavour, aroma, texture

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