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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 402 Documents
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Effectiveness of antioxidants on in vitro regeneration of Musa paradisiaca var. raja to prevent browning and enhance embryo development Aisiyya Qutlana Munawaroh, Putri; Pancaningtyas, Sulistyani; Su'udi, Mukhamad
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.594

Abstract

The cultivation of raja banana is widespread in Indonesia. The process of increasing banana propagation through in vitro culture encounters a specific issue, namely the occurrence of browning during the initiation stage, which hinders the regeneration process. The objective of this study is to determine the effectivenessof antioxidants on the in vitro regeneration of raja banana to prevent browning and enhance embryo development. The study was conducted using a completely randomized design with the treatment of the antioxidant compounds ascorbic acid (AS) and melatonin (MN). The treatments consisted of control (without antioxidants), ascorbic acid (100 mg L-1, 150 mg L-1, and 200 mg L-1) and melatonin (10 mg L-1, 12 mg L-1, and 14 mg L-1). The results showed that ascorbic acid and melatonin treatment had no significant effect on the percentage of viable explants and the level of browning intensity, but provided significant results on the regeneration process. The application of melatonin at 14 mg L-1 significantly increased callus regeneration. Furthermore, at a concentration of 12 mg L-1 showed the highest callus percentage value compared to other treatments. The melatonin 12 mg L-1 treatment showed the earliest scutellar embryo formation, whereas ascorbic acid at a concentration of 100 mg L-1 resulted in the most optimal regeneration of globular and scutellar embryos. The highest concentrations of ascorbic acid and melatonin inhibit the formation of coleoptilar embryos
Potential of siam weed extract in combination with Trichoderma harzianum to stimulate seed germination of Coffea arabica Ania Ningsih, Misbahul; Pancaningtyas, Sulistyani; Su'udi, Mukhamad
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 1 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i1.595

Abstract

The Arabica coffee (Coffea arabica) beans feature a solid and thick seed shape that obstructs the germination process. Seed germination is an important feature of coffee plant cultivation and significantly impacts on the growth and development of the coffee plant. Siam weed (Chromolaena odorata L.) has the potential to be used as an organic fertilizer due to its nutrients and secondary metabolite compounds which can help accelerate plant growth. The optimal use of organic fertilizer can be achieved by using Trichoderma harzianum. This research aims to determine the effect and optimal concentration of Siam weed extract (Chromolaena odorata L.) and Trichoderma harzianum on the germination of Arabica coffee seeds. The research used a factorial Completely Randomized Design (CRD) in the form of siam weed extract concentrations of 8 ppm and 16 ppm and concentrations of Trichoderma harzianum of 5 ppm, 10 ppm, 15 ppm, and 20 ppm. The research finding indicated that the C2T1 treatment had the best results in terms of germination, growth speed, growth synchrony, hypocotyl length, and number of leaves on coffee plants. Meanwhile, the C2T4 treatment had the highest chlorophyll content.
Rooting and shooting of Coffea canephora stem cuttings in response to clonal chamber conditions and rooting hormone in Ghana Mohammed, Adams Latif; Kaddiri, Nasim Kumodu Nanbaala; Moro, Ali
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.597

Abstract

Mass propagation of Coffea canephora through stem cuttings using various rooting hormones and clonal chambers is an innovative practice to hasten and mass produce planting materials of coffee for commercial production. The study was conducted to determine the rooting and shooting performance of C. canephoracuttings in response to rooting hormone and the clonal chamber using semihardwood stem cuttings. The experiment was laid out in a randomized complete block design (RCBD) with four treatments and replicated four times. The different treatments were: cuttings treated with hormone + propagated off clonal chambercondition), control (cuttings without hormonal treatment + propagated off clonal chamber condition), cuttings treated with hormone + propagated under clonal chamber condition), and cuttings without hormonal treatment + propagated under clonal chamber condition. Data collection started on the 8 th week after propagation and data were collected on leaf number, root number, root length and mortality of cuttings for a period of ten weeks. The study indicated that, the effect of rooting hormone on the number of roots, root length and cutting mortality was significant (pï‚£ 0.05) with the exception of the number of newly developed leaves. More so, the clonal chamber had a significant effect on the number of leaves, root number and root length as well as mortality (pï‚£ 0.05). The cuttings treated with rooting hormone propagated under clonal chamber conditions significantly improved the number of roots, root length, number of leaves with the least mortality. However, cuttings propagated off the clonal chamber conditions had the highest mortality, least root number, least root length and least leaf number. Therefore, it is recommended that the ideal treatment for C. canephora cuttings for mass propagation is to treat cuttings with rooting hormone and propagated under clonal chamber condition.
Incentives-adoption-food security: Implications for sustainable cocoa production in Ghana. Tham-Agyekum, Enoch Kwame; Ankuyi, Fred; Bakang, John-Eudes Andivi; Mensah, Jonathan; Nimoh, Fred; Adarkwa, Bright Oteng; Ankrah, Daniel
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.599

Abstract

This study investigates the adoption of the Cocoa Rehabilitation Programme (CRP), aiming to understand the factors influencing farmers' participation and assess the impact on food security. The research gathered quantitative data from 385 cocoa farmers in the Osino Cocoa District, Eastern region, Ghana. Mean, frequency, Tobit and ordered logit regression models were used to analyse the data. Results reveal that incentives like farm maintenance without a charge, extension access, monetary rewards regular farm monitoring and free tree-cutting strongly promote CRP adoption. Gender, age, education, and various incentives significantly influence adoption levels. The study revealed that practices like weedicide-free farming, zero burning, and efficient shade management play a substantial role in improving the food security of farmers. The paper contributes to existing literature by offering a comprehensive analysis of both monetary and non-monetary incentives, adoption patterns, and outcomes, particularly regarding food security in the context of cocoa production. The study suggests a multifaceted approach to enhance CRP efficacy and address the complex dynamics of sustainable agricultural initiatives.
In silico study of RKD4 gene function in Coffea arabica L. and various cultivated plants related to embryo formation initiation Arimarsetiowati, Rina; Semiarti, Endang; Daryono, Budi Setiadi; Astuti, Yohana Theresia Maria; Prastowo, Erwin
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.600

Abstract

Arabica coffee supplies 60% of world coffee production because has a unique taste as superior quality beverage. Arabica coffee micropropagation can be conducted by somatic embryogenesis technique which produce clonal, fast dan uniform plant. The somatic embryogenesis (SE) process describes the integration of endogenous signals and gene reprogramming, which releases signals to initiate embryogenic processes. The use of endogenous auxin, either alone or in combination with other PGRs or stress, induces differential gene expression, which modifies the genetic program of somatic cells and regulates the transition to each stage during SE development. The RKD4 gene (RWP-RK DOMAIN-4) is a gene that plays a role in early initiation embryo formation and development. The characterization of RKD4 genes in C. arabica is still limited and under explored. The objective of this research is to explore the characteristics of RKD4 gene by comparing the difference and similarity of RKD4 gene in C. arabica and other cultivated plants. The method was initiate by identifying nucleotide sequences from the National Center for Biotechnology Information (NCBI) database. Furthermore, consists of analysis of nucletide alignment, alignment of amino acid sequences, protein analysis, protein motif functions discovery, analysis of phylogenetic tree, protein 2D and 3D-modelling and physiochemical properties. According to the analysis, there were 100 polymorphism points with a total number of mutations of 211 points. The phylogenetic tree show C. arabica L. has a very close relationship with grapes (Vitis vinivera) based on the RKD4 protein, gene structures and protein motifs. There are nine highly conserved motifs found in the protein alignment. C. arabica L. had more methyl jasmonate element responses than A. thaliana. The findings are useful to understand the intitiation of embryo formation mechanisms of C. arabica L and other cultivate plants during propagation through somatic embryogenesis in the long run.
A comprehensive study on the livelihood implications of transitioning from cocoa to rubber plantation in Ghana Busia, Joseph Oppong; Amankwah, kwadwo; Appiah, Patrick; Tham-Agyekum, Enoch Kwame; Bakang, John-Eudes Andivi
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.601

Abstract

The study, conducted in Manso Amenfi, Western Region, Ghana, explored the livelihood implications of transitioning from cocoa to rubber plantations. Using a cross-sectional survey with 384 participants, data revealed a decline in cocoa production levels. The socioeconomic factors that influence farmers’ land use shift behaviour were age, household size, being a household head, farm size, educational level, access extension and labour availability. The knowledge factor that was ranked first as influencing farmers shift behaviour was high price of rubber while the behavioural factor was the farmers’ personal belief that rubber plantation will do well than cocoa. The farmers agreed that rubber plantation has effect on their livelihood. The study recommends interventions to make cocoa cultivation more profitable, addressing concerns like low prices, pests, diseases, and soil fertility, emphasizing the need for support from agricultural extension officers, the Ghana Cocoa Board, and the government.
Cocoa farmers’ perception regarding the effectiveness of cocoa extension services in the Bia West District, Ghana. Tham-Agyekum, Enoch Kwame; Somed, Kassim; Appiah, Patrick; Asiamah, Maxwell Toah; Ankuyi, Fred; Appiah, Anthony; Bakang, John-Eudes Andivi
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.606

Abstract

The study analysed cocoa farmers’ perception on the effectiveness of agricultural extension services in the Bia West District. Data for the study was collected from 400 cocoa farmers through a multistage sampling technique. Data was analysed using both descriptive and inferential statistics. The results reflect a prevailing awareness among the majority of cocoa farmers (over 90%) concerning the efficacy of agricultural extension agents operating in the study area. Farmers perceived a positive impact on information dissemination and timeliness (Mean=4.08), and knowledge and skills enhancement (Mean=4.03). Employing a probit model, age (1%), engagement in off-farm activities (10%), and the age of cocoa farms (1%) emerged as significant factors that influenced farmers' perception of the effectiveness of the agents. The three key challenges faced by farmers in accessing extension services included inadequate CEA visits (1st), trust issues (2nd), and communication barriers (3rd). The study recommends the critical need to intensify and sustain extension training programmes, incentivising and supporting CEAs in fostering robust relationships within farming communities, and directing policy initiatives toward bolstering investments in communication infrastructure.
Insect community structure in young and productive coffee farms under leucaena shade of Jember Regency, East Java, Indonesia Tsaniyah Indah, Zainatuts; Suci Rahayu, Dwi; Setiawan, Rendy
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.615

Abstract

The developmental phase of Robusta coffee plantations with agroforestry systems exhibits varying ecosystem characteristics (biotic and abiotic), therebyinfluencing the dynamics of insect community composition within them. One of the major coffee-producing centers in East Java is Jember Regency, where coffeecultivation commonly employs agroforestry systems with various shade trees. Understanding the abundance of insect species in agroforestry coffee plantations is important for determining insect pest control measures. This research aims to study the insect community structure in young coffee and productive coffee farms. Insect sampling was conducted in young coffee farms and productive coffee farms at the Kaliwining Experimental Station, Indonesian Coffee and Cocoa Research Institute (ICCRI), by using road sampling methods with insect nets and pitfall traps. Both types of plantations utilize Leucaena sp. var L2 as shade trees, forming agroforestry coffee plantation systems. Data analysis was performed by calculating the Shannon-Wiener diversity index (H’) to assess insectdiversity and the independent sample t-test to determine differences in insect abundance based on functional roles between the two farms. The results indicatethat the composition and abundance of insects in productive coffee farms are higher than in young coffee farms, resulting in a higher insect diversity index valuefor productive coffee farms (categorized as high), while young coffee farms fall into the moderate category. Furthermore, based on their functional roles, productive coffee farms positively influence the abundance of herbivorous, predatory, parasitoid, and detritivorous insects.
Utilization of cocoa pod husk and wood charcoal into briquettes as an environmentally friendly alternative fuel. Arriza Novan Tahta Aunillah, Mohammad; Bayu Cezarridfalah, Bintang; Kirana Putri, Jesika; Nurmawati, Ardika; Ariefandie Febrianto, Noor; Adi Saputro, Erwan
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 2 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i2.616

Abstract

Many efforts have been made to convert cocoa pod husk waste into charcoal briquettes, but they have not yet met the established Indonesian National Standard(SNI). Therefore, steps are needed to produce charcoal briquettes that comply with these standards. One approach that can be taken is by blending cocoa podhusk with wood charcoal since wood charcoal has a sufficiently high calorific value that can enhance the quality of the charcoal briquettes. This research aimsto find the optimal conditions for making briquettes from cocoa pod husk and identify the impact of briquette composition and carbonization time on valuessuch as moisture content, ash content, calorific value, and burning rate of the produced briquettes. The research process includes carbonization, grinding, sieving, adding a binder, and drying, followed by testing the briquettes’ characteristics. This research was conducted by comparing the mass composition of cocoa pod husk charcoal and wood charcoal at ratios of 100:0, 75:25, 50:50, and 25:75, with carbonization times of 1.5, 2, 2.5, and 3 hours. The best analysis results, in accordance with the Indonesian National Standard (SNI), were obtained at a carbonization time of 2 hours with a composition of 50:50 (cocoa pod husk:wood charcoal). The values include a moisture content of 5.944%, ash content of 7.83571%, calorific value of 4388.5 kcal kg -1 , and burning rate of 0.0034 g second -1 . The length of the carbonization process has a significant impact on the characteristics of the resulting briquettes, including moisture content, ash content, calorific value and burning rate. The longer the carbonization process, the lower the moisture content and ash content, and the higher the heating value and burning rate.
Digital Imaging-Assisted Characterization of Plants’ Morphological Features for the Identification of Robusta Coffee Clones. Akbar, Miftahur Rizqi; Wibowo, Ari; Kuswanazia, Reni; Malik, Abdul
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol. 40 No. 3 (2024)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v40i3.607

Abstract

Perbaikan genetik klon kopi robusta anjuran menjadi alternatif untuk meningkatkan produktivitas dan kualitas klon kopi robusta di Indonesia. Penelitian ini bertujuan untuk mengidentifikasi klon-klon kopi Robusta melalui karakterisasi morfologi dan pendekatan digital image. Penelitian ini dilakukan di Kebun Sumber Asin, Malang dan Laboratorium Pemuliaan Tanaman. Bahan genetik tanaman terdiri dari lima klon robusta yaitu BP 308, BP 409, BP 534, BP 936, BP 939 sebagai faktor perlakuan. Rancangan percobaan yang digunakan adalah rancangan acak kelompok lengkap faktor tunggal yaitu klon dengan tiga ulangan. Hasil menunjukkan bahwa perlakuan klon kopi Robusta memberikan pengaruh yang berbeda nyata pada semua karakter kuantitatif kecuali pada karakter jumlah cluster per cabang, panjang daun, dan lebar buah. Perbedaan nyata juga ditunjukkan pada karakter digital image yaitu nilai Red dan nilai Green pada fase daun muda dan daun dewasa. Hasil pengelompokan menunjukkan bahwa grup pertama terdiri dari BP 939 dan grup kedua terdiri dari BP 308, BP 409, BP 936, dan BP 534. Grup kedua memiliki dua subgrup dengan jarak ketidakmiripan 30%. Subgrup 1 terdiri dari BP 308, sedangkan subgrup 2 terdiri dari BP 409, BP 936, dan BP 534. Berdasarkan studi ini, informasi terkait kekerabatan klon-klon kopi Robusta yang telah dilepas dapat dijadikan sebagai dasar untuk program persilangan masa depan.

Page 38 of 41 | Total Record : 402

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