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INDONESIA
Jurnal Tanaman Industri dan Penyegar
Published by Kementerian Pertanian
ISSN : 23561297     EISSN : 25287222     DOI : -
Core Subject : Science, Agriculture, Engineering,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Industrial & Manufacturing Engineering
Jurnal Tanaman Industri dan Penyegar (JTIDP) published by Indonesian Center for Estate Crops Research and Development is a peer-reviewed and open access journal that publishes significant and important research from area of agricultural science on industrial and beverage crops.
Arjuna Subject : -
Articles 7 Documents
 1 
Search results for , issue "Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar" : 7 Documents clear
Peningkatan Mutu Kakao Melalui Teknologi Bioproses Pemerasan Pulp (Depulping) Biji Kakao Secara Mekanis Sumanto Sumanto; Dedi Sholeh Efendi; Bambang Prastowo
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p77-84

Abstract

In general, the classic problems faced by the cocoa farmer are low productivity and quality of cocoa beans as farmers do not perform fermentation due to a longer processing time.  Bulk cocoa beans covered with pulp presumably affecting the fermentation time and bean quality. The research objective was to assess a combination of bioprocessing technology and mechanized-depulping to improve the quality of fermented cocoa beans. The study was conducted from July 2011 to July 2012 on cocoa farmer groups in Pacitan Regency, East Java, using engine depulper (500 kg/hour capacity) and manually (20 kg/10 minutes or about 120 kg/hour capacity). The results showed that fermentation time was shorter in squeezed pulp, either using engine depulper or manually.  Both the temperature and pH of fermented beans reached its highest point on the fourth day and decreased on day five, from which obtained higher quality beans indicated by clean and bright brown color with better flavour and color as well as lower acidity, astringent, and smell.
Pengaruh Mikoriza dan Pupuk NPKMg terhadap Pertumbuhan dan Produksi Kopi Arabika Usman Daras; Iing Sobari; Octivia Trisilawati; Juniaty Towaha
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p91-98

Abstract

Mycorrhiza is a biological agent that could improve the efficiency of chemical fertilizers (inorganic) due to it can increase the availability of soil nutrients. The study aimed to evaluate the effectiveness of mycorrhiza and NPKMg fertilizers on growth and yield of coffee plants in the field. The research was carried out at KP. Pakuwon, Sukabumi, West Java, from January 2013 to November 2014. The treatments that examined in this study were 3 levels of mycorrhiza application (M0, without mycorrhizal fungi; M1, application of 200 spore/tree; and M2, application of 400 spore/tree), and 4 dosage of NPKMg fertilizers (F1, recommended dose, RD; F2, ¾ RD; F3, ½ RD, and F4, ¼ RD). The treatments were arranged in a ramdomized block design with 3 replications, and the plot size consisted of 4 coffee plants. The recommended dose of fertilizer is 140 g NPKMg/tree/years (40 g urea, 50 g SP-36, 30 g KCl, and 20 g kieserit). NPKMg fertilizers were applied two times, whereas mycorrhiza was given two months after the first application of NPKMg fertilizers. The observed parameters were vegetative characters (plant height, stem diameter, number of branch) and generative character (coffee yield) as well as the infection rates of mycorrizha on roots. The results showed that application of 400 spores of mycorrhizal fungi and 105 g NPKMg/tree/year exhibited the best growth of coffee plants until 15 months after planting (MAP). However, that combination was not significantly affected coffee production. Moreover, application of 200 and 400 spores of mycorrhizal fungi/tree combined with all dosage of NPKMg fertilizers revealed the same infection rates of mycorrizha on roots.
Potensi Rizobakteria dan Fungisida Nabati Untuk Pengendalian Penyakit Jamur Akar Putih Tanaman Karet Nasrun, Nasrun; Nurmansyah, Nurmansyah
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p61-68

Abstract

The white root fungus (WRF) disease caused by Rigidoporus microporus is the main disease that reduce rubber production. The use of biological agents, such as rhizobacteria and botanical fungicide is expected to control WRF disease. The research aimed to determine the potential of rhizobacteria and botanical fungicide with the active compound of citronellal, geraniol, eugenol, and catechin to suppress the growth of R. microporus and control WRF disease. The in vitro studies were conducted at the laboratory of KP. Laing, Solok, whereas in planta tests at rubber plantations in Sijunjung, West Sumatra from April to November 2012. The in planta tests used the factorial designs, which were arranged in a randomized complete block design with 2 factorials and 3 replications. The first factor was 4 treatments, using Bacillus sp. Bc94, Pseudomonas fluorescens Pf55, a combination of Bacillus sp. Bc94 and P. fluorescens Pf55, and without rhizobacteria. The second factor was 3 treatments, using biofungicide formula: formula F1, formula F2, and without botanical fungicide. The parameters assessed were inhibition of R. microporus growth and  development of WRF disease. The results showed that Bacillus sp. Bc94, P. fluorescence Pf55 and the combination of citronellal, geraniol, eugenol, and catechin had the highest inhibitions on R. microporus growth: 89.54%, 90.49%, and 81.39%, respectively. The combinations of Bacillus sp. Bc94 and P. fluorescens PF55 with botanical fungicide formulas (F1 and F2) significantly inhibited the WRF disease intensity up to 80.95%–82.91%.
Potensi Lecanicillium lecanii untuk Pengendalian Helopeltis antonii pada Tanaman Teh Gusti Indriati; Samsudin Samsudin; Widi Amaria
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p99-106

Abstract

Lecanicillium lecanii is an entomopathogenic fungus that potential to control tea mosquito bug Helopeltis antonii. The research aimed to determine the potential of L. lecanii in controlling H. antonii in tea plant. The research was conducted at the Laboratory of Plant Protection, Indonesian Industrial and Beverages Crops Research Institute (IIBCRI) Sukabumi, from January to October 2014. The study consisted of infectivity and antifeedancy of L. lecanii on H. antonii nymph, as well as its in vitro compatibility with botanical insecticide, using completely randomized design (CRD). The infectivity and antifeedancy tests of L. lecanii on H. antonii nymph were carried out using 4 densities: 106, 107, 108, 109 conidia/ml, and control. Each treatment of infectivity test was repeated 4 times with observed variables were mortality and development of nymphs. Meanwhile, antifeedancy test was repeated 10 times with the observed variable was percentage of feeding reduction. The in vitro compatibility test of L. lecanii was done by using Piper retrofractum (PR), Tephrosia vogelii (TV) and Annona squamosa (AS) powder with the concentration of 2.5%, 5.0%, 7.5%, respectively and control, which repeated 4 times. The results showed that L. lecanii capable to infect and kill H. antonii nymph at about 65% in laboratory and reduce feeding about 83.04%. Addition of A. squamosa and T. vogelii powder at 2.5%–7.5% concentration were not significantly affecting the growth of L. lecanii colonies on PDA media. On the other hand, addition of P. retrofractum powder with the same concentration was considerably inhibiting the growth of L. lecanii. This result demonstrates that A. squamosa and T. vogelii powder are compatible with L. lecanii. 
Pengaruh Pemupukan dan Mikoriza terhadap Pertumbuhan Tanaman Karet Muda Pada Model Peremajaan Bertahap Yulius Ferry; Rusli Rusli; Juniaty Towaha
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p85-90

Abstract

Gradual rejuvenation model is an option to increase the productivity of smallholder rubber plantation due to old and damaged plants. The limitation of this model is the high variation of the growth of young plant in the field. This study aimed to determine the effect of extra fertilization and mycorrhiza on the growth of young rubber plants in the gradual rejuvenation model. The research was located at Ramsay Village, Way Tuba District, with red-yellow podzolic soil types and climate type of B2 according to Oldemand, from 2012 to 2014, and arranged in split plot design. The plant age, P1 (3 years old); P2 (2 years old); and P3 (1 year old) was denoted as the main plot, whereas the subplot is fertilizer dosage, D1 (100% of recommended dosage); D2 (100% of recommended dosage + mycorrhiza; D3 (125% of recommended dosage); D4 (125% of recommended dosage + mycorrhiza). Fertilizer application was done twice a year, while mycorrhiza were given once a year toward the end of the rainy season. The plant material used was PB 260 clone, with a standard agricultural practices such as weeding and watering during the dry season. Variables measured were plant height and girth. The results showed that application of 25% extra from the recommended dosage + mycorrhiza was able to accelerate the growth of young rubber plants. Fertilizer dose of 125% from the recommendation + mycorrhiza applied on 2-year-old plants exhibited the same growth with 3-year-old plant that treated with recommended dosage. This result indicates that mycorrhiza works synergistically with inorganic fertilizer, which enhances the effectivity and efficiency of extra fertilization in gradually rejuvenation models.
Pengaruh Pemupukan terhadap Pertumbuhan, Hasil dan Kualitas Biji Empat Klon Kopi Robusta di Tanah Podsolik Merah Kuning, Lampung Utara Rusli Rusli; Sakiroh Sakiroh; Edi Wardiana
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p107-112

Abstract

Recommendation of Robusta coffee fertilizer that available until now is only in general. In fact, the type and amount of fertilizer needed is highly dependent on environmental conditions, clones, and plant age. The study aimed to investigate the effect of combination doses of urea, SP36, and KCl fertilizer on growth, yield, and bean quality of four Robusta coffee clones cultivated in red-yellow podzolic soil type (PMK), North Lampung. The study was conducted at KP. Cahaya Negeri, North Lampung, with the altitude of 250 m above sea level, PMK soil type and climate type of C (Oldemand), from October 2011 to June 2014. The research was arranged in split plot design with four replications. The main plot was four Robusta coffee clones i.e. (K1) = BP 42; (K2) = BP 409; (K3) = BP 936; and (K4) = BP 939, while the subplot was four combination doses of urea, SP36, and KCl i.e. (P1) = 30:20:20 g/tree; (P2) = 40:30:30 g/tree; (P3) = 50:40:40 g/tree; and (P4) = 60:50:50 g/tree. The results showed that four Robusta coffee clones (BP 42, BP 409, BP 936, and BP 939) cultivated in PMK soil type, KP. Cahaya Negeri, North Lampung, had the same response to combination doses of urea, SP36 and KCl fertilizer. The combination doses of urea, SP36, and KCl of 50, 40, and 40 g/tree, respectively were optimal and efficient for growth and yield of those four clones until 2.5 years old. However, the dose has not yet been able to improve the quality of coffee beans.
Kandungan Kafein dan Karakteristik Morfologi Pucuk (Pekoe) dengan 3 Daun Muda (P+3) Enam Genotipe Teh Budi Martono; Laba Udarno
Jurnal Tanaman Industri dan Penyegar Vol 2, No 2 (2015): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v2n2.2015.p69-76

Abstract

Caffeine plays an important role in determining a bitter flavor of tea. Different genotype and picking types cause differences in caffeine content and quality of tea. The research aimed to determine the caffeine content and morphological characteristics of shoots (peko) with 3 young leaves below (P+3) on several tea genotypes. The study was conducted at Tambi tea plantation and Laboratory of Testing, Center for Agro-based Industri (CABI), Bogor from April to June 2013. Caffeine was extracted using chloroform and measured at a wavelength of 276.5 nm. Caffeine analysis was carried out using shoots (peko) with 3 young leaves below (P + 3), which were arranged in a completely randomized design with 6 tea genotypes as treatments (Tbs 1 Tbs 2, RB 3, Kiara 8, Cin 143, and Hybrid) and replicated 4 times. Characterization on tea shoots was done by observing quantitative and qualitative characters. The results showed that genotypes had significant effect on caffeine content. RB 3 genotype had the highest caffeine content (3.58%) followed by Cin 143 genotype (3.43%). Based on caffeine content, Tbs 1 and Tbs 2 are promising genotypes with better quality than RB 3 and Cin 143. The diversity among genotypes revealed by shape, base, edges, and the tips of the leaves; the upper surface of leaves, leaf color, feathers on shoots (peko), leaf length and width characters, the ratio of the length and width of leaf, petiole length, number of leaf bones, flesh thick leaves, and shoots (peko) length. Moreover, caffeine content was negatively correlated with the ratio of the length and width of leaf.

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