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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 7 Documents
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Search results for , issue "Vol 37 No 3 (2021)" : 7 Documents clear
Model Development of Non-Destructive Coffee Beans Moisture Content Determination Using Modified Near Infrared Spectroscopy Instrument Rizky Wiradinata; I Wayan Budiastra; Slamet Widodo
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.462

Abstract

A method of non-destructively moisture content measurement of coffee beans is using near infrared spectroscopy (NIRS) which in general can be applied to determine chemical content of various organic materials. However, the commercial NIR instrument can not measure many samples in a single time, consequently the faster measurement can not be realized. The purposes of this research was to study the performance of modified NIR instrument prototype for measuring the moisture content of Java Preanger coffee beans. Performance study of modified NIR instrument was carried out on 50 coffee bean samples for determination of sample moisture content. The reflectance spectra of samples were measured bymodified NIRS instrument and then water content of samples was determined by oven method. The spectra data and water content were calibrated by multiple linier regression method to find the best calibration model. The result of this research show that number of wavelengths chosen to predict the moisture contentof Java Preanger coffee bean accurately is 17 wavelengths. The correlation coefficient (R) moisture content based on NIRS instrument and oven method was 0.902, this suggest that the model is able to explain 90.2% the diversity of existing data. The value of standard error calibration (SEC) and standard error prediction (SEP)was almost zero meaning that the error of prediction is low. This study also reveal that the value of residual predictive deviation (RPD) is 2.32, which means the prediction model for determination of Java Preanger coffee beans moisture content is good enough.
Sensory Properties and Volatile Compound Profile of Anaerobic Fermented Gayo Arabica Coffee In Non-Washed Processing Budi Mulyara; Supriyadi Supriyadi; Yudi Rahmadian; Onne Akbar Nur Ichsan
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.464

Abstract

Coffee is a popular beverage that is consumed worldwide. Flavor is an important aspect of excellent coffee. Fermentation was applied in the wash coffee processing to degrade the mucilage layer and to improve the flavor quality. Fermentation in non-washed gayo arabica coffee processing has not been widely reported. This study aims to analyze the effect of anaerobic fermentation on non-washed Gayo arabica coffee processing to obtain coffee with the highest sensorial score. Coffee fruit were processed and fermented for 0-48 hours. Sensorial score, volatile, and non-volatil compounds were observed at roasted bean. A significant increase in sensory test scores was obtained in the Pulped Natural (PN) process which was fermented with a score of 85.58 ± 1.01. Concentrations of citric, malic, succinic, lactic, and acetic acids are varied between the treatments. Volatile analysis using SPME-GCMS produced 20 compounds with an Odor Active Value OAV> 1 consisting of aldehydes, furans, ketones, phenols, pyrazines, and terpenes. β-Damascenone was a compound that has the highest OAV values with honey-like, fruity, apple, and rose aroma characteristics that dominate PN and Black Honey (BH). Fermentation for 48 h in the PN process is suitable for use in Gayo with humid conditions and high altitudes. Keywords: Coffea arabica, SPME-GCMS, Volatile compounds, HPLC, Non-volatile components, Coffee processing.
Callogenesis and Embryogenic Potential of New Superior Cocoa (Theobroma cacao L.) Genotypes Treated with Ascorbic Acid Sulistyani Pancaningtyas
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.472

Abstract

Clonal propagation is an alternative method of maintaining the genetic purity of superior cocoa plants (Theobroma cacao L.). The somatic embryogenesis technique is likely the most effective and efficient method for plant propagation. This study aimed at investigating the callogenesis and embryogenic potential of new superior cocoa clones on culture media added with various concentrations of antioxidants and variation in the concentration of auxin hormone combined with ascorbic acid. The superior clones used in this study were MCC 01, MCC 02, Sulawesi 3, ICCRI 07, and ICCRI 09. The parameters observed in this study were percentage of embryogenic callus formation, number of secondary somatic embryos, and percentage of embryo somatic cells that develop into planlets. The addition of 2,4,5-T combined with ascorbic acid affected the initiation of cocoa secondary somatic embryogenesis. Treatment combination of ascorbic acid 100 mg.L-1 and 2,4,5-T 1 mg.L-1 had a significant effect on the initiation of secondary somatic embryogenesis of cocoa in the embryogenic callus phase (4.73%), globular embryos (2.53%), torpedo embryos (4.67%) and sprouts (0.47%). Three clones i.e ICCRI 07, Sulawesi 3 and ICCRI 09 clones showed a higher percentage (3.0%, 2.10%, and 1.80%, respectively) of embryogenic callus growth than the other clones. Meanwhile, on MCC 01 clone, all treatments did not affect the regeneration of embryogenic callus. The combination treatment of organic acid and adenine showed a low embryogenic callus response in MCC 01 and MCC 02 clones. However, MCC 02 clone also did not show a response in form of globular, torpedo, and germination phase somatic embryo regenerations. This indicates that different plant cultivars show different responses to the addition of organic acids. Treatment combinations of adenine 0.0125 mg.L-1 + ascorbic acid 100 mg.L-1 gave the best response to the regeneration of somatic embryos for the globular, torpedo, and g
Branching angles of several cocoa genotypes and their effect on determining optimum plant spacing Bayu Setyawan; Indah Anita-Sari; Fatrezza Ihsan; Heksan Panua
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.473

Abstract

Identification of the type of branching architecture will be one for the considerations in determining specific spacing recommendations for cocoa plantation. The research was conducted at Kaliwining Experimental Station, Indonesian Coffee and Cocoa Research Institute. The aim of this study was to investigate of branching angle characteristics of cocoa clones that can be used in determining planting space in cocoa farms. This research usied a completely randomized block design (RCBD) consisting of 21 genotypes as treatments. Each treatment was repeated three times and each replication consisted of three sample plants. Parametersobserved were branch angle and the type of branching. Branch angle is the angle formed by the outermost primary branch and was measured using a protractor. The results showed that each genotype had a different angle on the primary branch, while the secondary and tertiary branch angles did not shown any significantdifference. The results of the analysis showed that of the 21 genotypes tested, ICCRI 03, BAL 209, and KW 411 showed horizontal branching type; Sulawesi 1 and Sulawesi 3 showed vertical branching type, while the other 16 genotypes had intermediate branching types. Cocoa clones with a vertical branching type can be planted in denser spacing compared to cocoa clones with a horizontal branching type. The population per hectare of clones with vertical branching type can be increased 3 to 4 times when compared to clones with horizontal branching type.
Ant Abundance, identification and relation with cocoa pest attacks under several shade trees. Abied Khafidhan; Rahayu Widyastuti; Soetanto Abdoellah
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.474

Abstract

Ants are soil macrofauna that plays an essential role in preventing pods of cocoa (Theobroma cacao L.) from Helopeltis antonii and Conopomorpha cramerella attack. However, the method of those pests control primarily using pesticides and that will disturbed ant's life. This research aims to determine the abundance and diversity of ants in cocoa plantations with different shade and to determine the correlation between ant abundance and intensity of pest attack from Helopeltis antonii and Conopomorpha cramerella. Ants sample was carried out using pitfall traps and Berlese funnels based on purposive sampling method. The results showed that five subfamilies were found in cocoa plantations with different shade. Subfamily Myrmicinae was the dominant group in all observation sites. The ant abundance has a strong correlation with intensity of pest attack. This was influenced by a role of the ant as natural enemies from Helopeltis antonii and Conopomorpha cramerella.
Diversity and Abundance of Earthworms in Cocoa Plantations with Different Shade Trees Niken Puspita sari; Rahayu Widyastuti; Soetanto Abdoellah
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.483

Abstract

Earthworm is one of the important macro-fauna in cocoa plantation ecosystem that affects the structure and activity of soil microbes. Earthworms maintain nutrient cycle and affect the growth of plants. Cocoa is a plant that requires shade trees. The presence of shade trees is to increase soil fertility and enrich diversity offlora and fauna. The purpose of this study was to investigate the diversity and abundance of earthworms in cocoa farms with different shade trees, namely paranet, areca palm + leucaena, coconut + leucaena, oil palm + leucaena, and leucaena. The study was carried out in Kaliwining Experimental Station of Indonesian Coffee and Cocoa Research Institute, Jember. Earthworms were picked manually to a depth of 30 cm by purposive sampling method from July to October 2020. The cocoa plants used were mature plants with a spacing of 3 m x 3 m. Based on Shannon and Wiener formula, the results showed that earthworm diversity was low in all treatments. Earthworms until family level were identified. Earthworm families of Glososscolicidae and Megascolocidae were found in this study. The highest abundance of earthworms was found in areca palm + leucaena. Soil organic C and N content and sand fraction were positively correlated with earthworm abundance, while silt fraction and soil density were negatively correlated with earthworm abundance. As micro-climate factor, light intensity was positively correlated with earthworm abundance, while air temperature was negatively correlated with earthworm abundance.
Growth Response of Robusta Coffee (Coffea canephora L.) Seedlings to Exogenous Salicylic Acid Application Novie Pranata; Fakhrusy Zakariyya
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 37 No 3 (2021)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v37i3.488

Abstract

To accelerate growth performance of Robusta coffee (Coffea canephora) seedling could be conducted through the application of exogenous plant hormone.Salicylic acid is one of plant hormones that widely applied to increase the plant growth for several plants, however, for coffee was still relative limited. This studywas aimed to determine the effect of salicylic acid on the growth of Robusta coffee seedlings which research was conducted at Indonesian Coffee and CocoaResearch Institute (ICCRI), Jember, East Java. This experiment was set using split plot design with three replications. The main plot was clones, which were BP 308and Sintaro clones. The seedlings were propagated from rooted cuttings. The subplot was the concentration of exogenous salicylic acid, that were control,0.6 mM, 1.2 mM, and 1.8 mM. The result demonstrated that BP 308 clone had higher rooting performance than Sintaro clone that shown by the higher rootvolume, root dry mass, and root/shoot ratio. In general, the application of salicylic acid could enhance the growth of Robusta coffee seedling. The application of 0.6 mMsalicylic acid increased plant growth of coffee seedlings. There was different response to concentration of application salicylic acid for both clones. The application of 0.6 mM salicylic acid could increase plant growth of BP 308, includeplant height, leaf area, stem dry mass, leaf dry mass, root/shoot ratio and total dry mass. Meanwhile, on Sintaro clone, application of 1.2 mM salicylic acid couldincrease leaf area, stem, leaf and total dry mass. The application of salicylic acid more than 1.2 mM led to detrimental effect of coffee seedlings.

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