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INDONESIA
Jurnal Penelitian Tanaman Industri
Published by Kementerian Pertanian
ISSN : 08538212     EISSN : 25286870     DOI : -
Core Subject : Engineering,
Industrial & Manufacturing Engineering
Jurnal Penelitian Tanaman Industri merupakan publikasi ilmiah primer yang memuat hasil penelitian primer komoditas perkebunan yang belum dimuat pada media apapun, diterbitkan oleh Pusat Penelitian dan Pengembangan Perkebunan, DIPA 2011 terbit empat kali setahun.
Arjuna Subject : -
Articles 6 Documents
 1 
Search results for , issue "Vol 5, No 2 (1999): September, 1999" : 6 Documents clear
PENGARUH PEMUPUKAN DAN PEMANGKASAN TERHADAP PERTUMBUHAN, STATUS HARA, DAN PRODUKTIVITAS TANAMAN HANDEULEUM (Graphtophyllum pictum (L) Griff.) DJAZULI, MUHAMAD; FATHAN, RATNA
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.70-73

Abstract

Effect offertilizer and pruning on growth, nutrient status, and productivity of caricature plant (Graphtophyllum pictum (L) Grif.)Information on the effect of fertilizer and top cutting application on growth, nutient uptake, and productivity of caricatue plant (Graphtophyllum pictum (L) GrifT.) was limited. Increasing demand for that crop in the future as traditional medicine should be back up by applicable agronomical informations of caicature plant. The objective of this study was to evaluate the effect of fertilizer and pruning applications on growth, nutrient uptake, and productivity of caricature plant. The pot trial was conducted at the Research Institute for Spices and Medicinal Crops from August 1997 to January 1998. A randomized block design was arranged with two factors and 3 replications. Each treatment consisted of 5 plants. The irst factor consisted of three shoot cutting periods . (I) control; (2) 2 months ater planting (MAP) and (3) 4 MAP. The second factor was 6 fertilizer combinations: (1)-N, -P, -K, and manue (M); (2) -N, +P +K. and +M; (3) . +N, -P, +K, and +M; (4) +N, +P, -K, and +M; (5) +N, +P, +K, and -M; (6) +N, +P, +K, and +M, respectively. It was consideed that there were significant interaction between fertilizer and pruning applications, especially on the gowth and productivity of caricatue plant. Application of NPK and manue impoved plant productivity and nutrient status. Pruning treatments wee able to increase leaves fresh weight signiicantly. The highest productivity of caicatue plant was found at the combination teatment of pruning and N, K, Manue fertilizer applications. Theefore, the optimal growth and productivity could be achieved by early pruning and fertilizer application, especially manure.
PRODUKTIVITAS SIFAT KIMIA DAGING DAN AIR BUAH ENAM JENIS KELAPA HIBRIDA ELSJE T. TENDA; H. G. LENGKEY; MIFTAHORRACHMAN MIFTAHORRACHMAN; HELDERING TAMPAKE
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.39-45

Abstract

Productivity, chemical characteristics of coconut meat and water of six coconut hybridsThis research was conducted in Kima Atas Research Station-North Sulawesi for 10 years (1988-1998). The altitude is 80 meters above sea level, with soil type young vulcanic and climate type Ri Oldeman. The ield experiment was designed as a randomized block design with 5 replications, the number of palms was each 12 for treatment planted at 9 m x 9 m tiangle. The treatment consisted of six hybrids viz: Raja Dwarf (GRA) x Mapanget Tall (DMT), Bali Yellow Dwarf (GKB) x Mapanget Tall (DMT), Bali Yellow Dwarf (GKB) x Takome Tall (DTE), Nias Yellow Dwarf (GKN) x Takome Tall (DTF), and GKN x DTA (Khina-1) with GKN x WAT (PB-121) as control. The observation was done on the time of lowering, coconut and copra production, resistence to Phytophthora and chemical characteistics of coconut meat and water. The results of the expeiment showed that the time of lowering of GRA x DMT, GKB x DMT and GKN x DTE hybrids were not sipificantly diferent from with Khrna-I and PB-121 as control. At the 9* year, the nuts production per palm per year of GKN x DTE and GKB x DTE hybids were higher compared to other hybrids, but from the 8-9* years. the copra production of four hybrids were higher than PB-121 and Khina-I. The hybrids GRA x DMT and GKB x DTE wee more esistant to Phytophthora. The protein and oil content per palm of four hybids and Khina-1 wee better than that of PB-121.
EFISIENSIPEMANEAATAN NPV DAN Trichogramma UNTUK PENGENDALIAN ULAT BUAH KAPAS HeUcoverpa armigera HBN SRI HADIYANI; IG. A.A. INDRAYANI; S. A. WAHYUNI; D. A. SUNARTO; SUPRAPTO SUPRAPTO; HARJYANTO HARJYANTO
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.74-79

Abstract

The purpose of this esearch was to study the efficiency in using HeUcoverpa armigera Nuclear Polyhedrosis Virus (HaNPV) and Trichogrammatoidea armigera Nagaraja to improve and simplify' Integrated Pest Control recommendation package for farmers. This research was conducted in Asembagus Experimental Station, Situbondo, East Java, from December 1997 to May 1998. Cotton plants were planted in monocultue system and the pests were controlled using IPM-3 recommendation package. This research was designed in randomized block with 3 treatments, and 3 eplicates. HaNPV spraying was based on the treshold; releasing T. armigera was based on the theshold, and the schedule of insecticide spraying was every 10 days. The esult showed that treatment of eleasing T armigera followed by application of insecticide was the most efficient (B/C ratio ■ 1.39), compared with the insecticide spraying schedule (B/C ratio = 1.21), and spraying of HaNPV fB/C ratio =1.12).
KETAHANAN BEBERAPA KELAPA HIBRIDA TERHADAP PENYAKIT BUSUK PUCUK HENDRIK F. MANGINDAAN; MIFTAHORRAHMAN MIFTAHORRAHMAN; HENGKY NOVARIANTO
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.46-50

Abstract

Resistance of some hybrid coconuts to bud rot diseaseBud rot disease by Phytophthora palmivora has caused significant loss lo coconut farmers because the pathogen could kill the palms in relative short time. This disease mainly attacks hybid coconut of PB-121. To anticipate the coconut development in the futue, it is necessary to find supeior coconut or hybrid coconut which resistant to bud rot disease. This research was conducted to test the resistance of 25 combinations of hybrid coconuts to the disease. The research used randomized block design with 25 kinds of hybids, 19 replications with 3 palms for each eplication. The trial was done at Paniki Instalation, North Sulawesi The hybrids were planted in November 1993. The observation of disease for 5 years showed that bud rot symptoms was irstly irst appeared at 40 months old hybrids i.e. 4 palms of the cross GKN x PYT, GRA x PYT, GHJ x WAT, and GHJ x DSA. Until ive yean ater planting there were 17 palms died because of the bud rot. In general, the hybrids of the crossing which used male parent of WAT wee the most susceptible. While the hybrids of the crossing of GSK as a female paent showed resistant to bud rot disease.
SOIL PROPERTIES UNDER SIX COCONUT CROPPING SYSTEMS DOAH DEKOK TAR1GANS
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.51-62

Abstract

Thee wee a number of factors causing diffeences in coconut growth and soil properties under ield condition. To cope with the existing vaiation fanning system in relation to soil properties, six coconut farming systems with four species of perenial crops as inter- crop(s) namely banana, papaya, coffee and pineapple wee conducted understudy. The objectives of the study were to study soil chemical and physical properties and nutrient element content in the coconut leave under various coconut cropping systems. Six coconut farming system as used for the study namely (I) coconut (control), (2) coconut + pineapple, (3) coconut + coffee, (4) coconut + papaya + pineapple, (5) coconut + banana + coffee, and (6) coconut + banana ♦ papaya + coffee + pineapple. Total area for each system is 0.5 ha. Data on leaf analysis parameters, soil chemical poperties and soil physical parameters, wee statistically analyzed in randomized complete block design (RCBD) with three replications. The organic matter, pH and cation exchange capacity of the soils did not differ significantly with cropping pattern, although intensively cropped farm tended to have higher organic matter and cation exchange capacity values. Nitrogen, phosphorus and potassium wee also significantly higher in intercropped farms but calcium and magnesium did not vary signiicantly. While moistue content, water holding capacity, bulk density of the soil did not show significantly difference with cropping patterns. Leaf nitrogen and calcium incease while potassium deceased with intensity of cropping. Phosphorus and magnesium showed no diinite trend. Leaf nitrogen, phosphorus and calcium were all positively correlated with soil nitrogen but soil phosphorus was weakly correlated with all nutrient element in the leaf. The exchangeable potassium in the topsoil was positively and insigniicantly with nitrogen, potassium and calcium but negatively insignificantly with phosphorus and magnesium concentration in coconut leaf. While the exchangeable calcium in the subsoil was significantly and positively correlated with nitrogen in the leaf but negatively corelated with potassium.
RANCANG BANGUN ALAT PERONTOK LADA DENGAN PENGGERAK ENGKOL UNTUK PENGOLAHAN LADA HITAM RISFAHERI RISFAHERI; TATANG HIDAYAT
Jurnal Penelitian Tanaman Industri Vol 5, No 2 (1999): September, 1999
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/littri.v5n2.1999.63-69

Abstract

Design of the hand-powered thresher for black pepper processingProcessing of pepper berries (Piper nigrum L.) into black pepper needs thresing to remove the beries from the stalks prior to sundrying. Until now, the threshing practice is caried out by traditional method in which the pepper beries are trampled. This method is not eficient nor hygienic and it also causes high losses of the berries. To overcome those problems, a hand-powered thesher has been designed. The experiment consisted of thee steps, namely designing, constructing and testing. The threshing mechanism was based on impact and friction, whereas the separation of the berries from the stalks was based on the difference in shape and dimension. The dimension of the pepper thesher is 900 mm length, 450 mm width, and I 200 mm height. The test results showed that the hand-powered thresher have a good performance. The capacity of the thesher is 100 kg of pepper berries (berries + stalks) per hour. The operational cost is Rp 30.02 per kg of pepper beries, cheaper than that of the traditional theshing method (Rp 50/kg). This equipment is easy to apply in rural area, and can covee the theshing operation of 2.1 hectare of pepper plantation during harvesting periode.

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