RESEARCH ARTICLE
Vol. 31 (2) June 2019, p. 165-194

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2018 – Review Article


DOI: https://doi.org/10.21894/jopr.2019.0026  |   Published Online: 25-Jun-19
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RESEARCH ARTICLE
Vol. 31 (2) June 2019, p. 321-330

A TOOL FOR MONITORING Trichoderma AND Fusarium oxysporum f.sp. elaeidis OIL PALM INTERACTIONS, USING CONSTITUTIVE AND INDUCIBLE GREEN FLUORESCENT PROTEIN (GFP) AND RED FLUORESCENT PROTEIN (DsRED) REPORTER SYSTEM


DOI: https://doi.org/10.21894/jopr.2019.0009  |   Published Online: 23-May-19
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RESEARCH ARTICLE
Vol. 31 (2) June 2019, p. 286-293

STABILITY OF PALM OLEIN WITH OR WITHOUT ANTIOXIDANTS DURING INDUSTRIAL CONTINUOUS DEEP-FAT FRYING OF WHEAT SNACKS


DOI: https://doi.org/10.21894/jopr.2019.0017  |   Published Online: 12-Jun-19
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RESEARCH ARTICLE
Vol. 31 (2) June 2019, p. 248-261

PYRACLOSTROBIN SUPPRESSED Ganoderma BASAL STEM ROT (BSR), PROMOTED PLANT GROWTH AND INDUCED EARLY EXPRESSION OF β-1,3-GLUCANASE IN OIL PALM (Elaeis guineensis)


DOI: https://doi.org/10.21894/jopr.2019.0021  |   Published Online: 28-May-19
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RESEARCH ARTICLE
Vol. 31 (2) June 2019, p. 212-219

MUTAGENIC EFFECTS OF GAMMA IRRADIATION ON OIL PALM (Elaeis guineensis Jacq.) SEEDLING GERMINATION AND GROWTH


DOI: https://doi.org/10.21894/jopr.2019.0020  |   Published Online: 21-May-19
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Vol. 31 (4) December 2019, p. 529-539

A REVIEW OF DEVELOPMENTS IN INTEGRATED PEST MANAGEMENT (IPM) OF BAGWORM (Lepidoptera: Psychidae) INFESTATION IN OIL PALMS IN MALAYSIA


DOI: https://doi.org/10.21894/jopr.2019.0047  |   Published Online: 10 December 2019
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Vol. 31 (4) December 2019, p. 670-680

INFLUENCE OF SURFACTANT STRUCTURE ON PHYSICAL STABILITY AND PHYSICOCHEMICAL PROPERTIES OF INSECTICIDE EMULSIONS


DOI: https://doi.org/10.21894/jopr.2019.0025  |   Published Online: 17 October 2019
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Vol. 31 (4) December 2019, p. 662-669

PALM-BASED VITAMIN E (tocotrienol-rich fraction) HAS EXCELLENT STABILITY IN CHEWABLE TABLET AFTER ONE-YEAR OF STORAGE AT AMBIENT TEMPERATURE


DOI: https://doi.org/10.21894/jopr.2019.0023  |   Published Online: 18 October 2019
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Vol. 31 (4) December 2019, p. 657-661

A DESCRIPTION OF OPEN TOP CHAMBER SYSTEM FOR OIL PALM CARBON DIOXIDE ENRICHMENT


DOI: https://doi.org/10.21894/jopr.2019.0013  |   Published Online: 23 May 2019
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Vol. 31 (4) December 2019, p. 641-650

ENERGY CONSUMPTION DURING TRANSPORTATION ALONG THE PALM OIL SUPPLY CHAIN IN MALAYSIA


DOI: https://doi.org/10.21894/jopr.2019.0024  |   Published Online: 31 July 2019
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Vol. 31 (4) December 2019, p. 634-640

DEVELOPMENT OF ANALYTICAL METHOD FOR DETERMINATION OF THIOSULTAP-DISODIUM RESIDUE IN PALM OIL MATRIX


DOI: https://doi.org/10.21894/jopr.2019.0028  |   Published Online: 17 October 2019
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Vol. 31 (4) December 2019, p. 624-633

SYNTHESIS OF GLYCEROL TRILEVULINATE ESTER: EFFECT OF REACTION PARAMETERS


DOI: https://doi.org/10.21894/jopr.2019.0027  |   Published Online: 24 October 2019
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Vol. 31 (4) December 2019, p. 615-623

CRUDE GLYCEROL UTILISATION IN MONOLAURIN PRODUCTION USING IMMOBILISED Rhizomucor miehei LIPASE: OPTIMISATION AND THERMODYNAMICS STUDY


DOI: https://doi.org/10.21894/jopr.2019.0054  |   Published Online: 28 November 2019
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Vol. 31 (4) December 2019, p. 604-614

SIGNIFICANT QUALITY OF FRAGMENTED FORESTS IN OIL PALM PLANTATIONS: LESSON FROM THE ASSEMBLAGE STRUCTURE OF FROGS (Amphibia: Anura)


DOI: https://doi.org/10.21894/jopr.2019.0050  |   Published Online: 28 November 2019
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Vol. 31 (4) December 2019, p. 592-603

THE POTENTIAL OF ENDOPHYTIC Trichoderma FROM OIL PALM (Elaeis guineensis Jacq.) ROOTS OF NORTH SUMATRA, INDONESIA AGAINST Ganoderma boninense


DOI: https://doi.org/10.21894/jopr.2019.0049  |   Published Online: 25 November 2019
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Vol. 31 (4) December 2019, p. 582-591

EFFECT OF BIOFERTILISER CONTAINING DIFFERENT PERCENTAGE RATES OF CHEMICAL FERTILISER ON OIL PALM SEEDLINGS


DOI: https://doi.org/10.21894/jopr.2019.0053  |   Published Online: 9 December 2019
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Vol. 31 (4) December 2019, p. 572-581

INDUCED SYSTEMIC RESISTANCE AND PROMOTION OF PLANT GROWTH IN OIL PALM SEEDLINGS BY ENDOPHYTIC Trichoderma virens


DOI: https://doi.org/10.21894/jopr.2019.0031  |   Published Online: 30 October 2019
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Vol. 31 (4) December 2019, p. 561-571

SureSawitTM TRUE-TO-TYPE – A HIGH THROUGHPUT UNIVERSAL SINGLE NUCLEOTIDE POLYMORPHISM PANEL FOR DNA FINGERPRINTING, PURITY TESTING AND ORIGIN VERIFICATION IN OIL PALM


DOI: https://doi.org/10.21894/jopr.2019.0048  |   Published Online: 14 November 2019
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Vol. 31 (4) December 2019, p. 550-560

DETERMINATION OF REFERENCE GENES FOR NORMALISATION OF GENE EXPRESSION STUDY OF Ganoderma-INFECTED OIL PALMS


DOI: https://doi.org/10.21894/jopr.2019.0051  |   Published Online: 29 November 2019
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Vol. 31 (4) December 2019, p. 540-549

IDENTIFICATION OF GENES PREFERENTIALLY EXPRESSED IN MESOCARP TISSUE OF OIL PALM USING in silico ANALYSIS OF TRANSCRIPTS


DOI: https://doi.org/10.21894/jopr.2019.0022  |   Published Online: 31 May 2019
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Vol. 31 (3) September 2019, p. 348-363

INTEGRATED BALANCED FERTILISER MANAGEMENT IN SOIL HEALTH REJUVENATION FOR A SUSTAINABLE OIL PALM CULTIVATION: A REVIEW –Review Articles


DOI: https://doi.org/10.21894/jopr.2019.0045  |   Published Online: 17 September 2019
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Vol. 31 (3) September 2019, p. 364-380

BAGWORM (Lepidoptera: Psychidae) INFESTATION IN THE CENTENNIAL OF THE MALAYSIAN OIL PALM INDUSTRY – A REVIEW OF CAUSES AND CONTROL –Review Articles


DOI: https://doi.org/10.21894/jopr.2019.0032  |   Published Online: 14 August 2019
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ARTICLE IN PRESS
Vol. 31 (3) September 2019, p. 381-393

PROSPECTS IN SUSTAINABLE CONTROL OF OIL PALM PESTS AND DISEASES THROUGH THE ENHANCEMENT OF ECOSYSTEM SERVICES – THE WAY FORWARD –Review Articles


DOI: https://doi.org/10.21894/jopr.2019.0030  |   Published Online: 14 August 2019
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Vol. 31 (3) September 2019, p. 508-520

PALM KERNEL SHELL BIOCHAR PRODUCTION, CHARACTERISTICS AND CARBON SEQUESTRATION POTENTIAL


DOI: https://doi.org/10.21894/jopr.2019.0041  |   Published Online: 30 August 2019
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Vol. 31 (3) September 2019, p. 489-495

A CASE STUDY INTO THE SUSTAINABILITY JOURNEY AND BIODIVERSITY CONSERVATION PROJECTS IN SARAWAK BY SARAWAK OIL PALMS BERHAD


DOI: https://doi.org/10.21894/jopr.2019.0036  |   Published Online: 30 August 2019
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Vol. 31 (3) September 2019, p. 480-488

ANALYSIS OF THE UNCERTAINTIES OF THE INCLUSION OF INDIRECT LAND USE CHANGE INTO THE EUROPEAN UNION RENEWABLE ENERGY SOURCES DIRECTIVE II


DOI: https://doi.org/10.21894/jopr.2019.0042  |   Published Online: 30 August 2019
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Vol. 31 (3) September 2019, p. 459-467

MAPPING THE CHARACTERISTICS OF TROPICAL FOREST PEAT AND CULTIVATED PEAT UNDER OIL PALM PLANTATION IN SARAWAK, BORNEO


DOI: https://doi.org/10.21894/jopr.2019.0039  |   Published Online: 30 August 2019
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Vol. 31 (3) September 2019, p. 448-458

RANCHING AND CONSERVATION OF BIRDWING AND SWALLOWTAIL BUTTERFLY SPECIES IN THE OIL PALM SYSTEMS OF PAPUA NEW GUINEA


DOI: https://doi.org/10.21894/jopr.2019.0035  |   Published Online: 14 August 2019
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Vol. 31 (3) September 2019, p. 437-447

THE DIVERSITY OF UNDERSTOREY BIRDS IN FOREST FRAGMENTS AND OIL PALM PLANTATION, SARAWAK, BORNEO


DOI: https://doi.org/10.21894/jopr.2019.0033  |   Published Online: 30 August 2019
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Vol. 31 (3) September 2019, p. 422-436

THE ROLE OF FOREST FRAGMENTS IN SMALL MAMMAL CONSERVATION IN AN OIL PALM PLANTATION IN NORTHERN SARAWAK, BORNEO


DOI: https://doi.org/10.21894/jopr.2019.0034  |   Published Online: 5 September 2019
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Vol. 31 (3) September 2019, p. 394-411

SOIL BACTERIAL BIODIVERSITY IN DEVELOPMENT OF SECONDARY LOGGEDOVER FOREST TO OIL PALM PLANTATION IN MINERAL SOIL OF BELAGA, SARAWAK


DOI: https://doi.org/10.21894/jopr.2019.0043  |   Published Online: 10 September 2019
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RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 130-137

EFFECT OF EGR & NANOPARTICLES ON PERFORMANCE AND EMISSION CHARACTERISTICS OF A DIESEL ENGINE FUELLED WITH PALM BIODIESEL AND DIESEL BLENDS


DOI: https://doi.org/10.21894/jopr.2018.0065  |   Published Online: 14 February 2019
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RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 122-129

THEORETICAL APPROACH OF DFT B3LYP/6-31G (d, p) ON EVALUATING THE PERFORMANCE OF tert-BUTYLHYDROQUINONE AND FREE FATTY ACIDS IN INHIBITING THE OXIDATION OF PALM OLEIN


DOI: https://doi.org/10.21894/jopr.2019.0005  |   Published Online: 8 March 2019
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RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 110-121

EFFECTS OF PARTIAL REPLACEMENT OF FISH OIL WITH DIFFERENT VEGETABLE OILS ON GROWTH, FEED UTILISATION AND FATTY ACID PROFILE OF HYBRID GROUPER JUVENILE (Epinephelus fuscoguttatus x Epinephelus lanceolatus )


DOI: https://doi.org/10.21894/jopr.2019.0003  |   Published Online: 1 Mac 2019
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RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 95-109

LOW-TEMPERATURE DIRECTED INTERESTERIFICATION INCREASES TRIUNSATURATED AND TRISATURATED TRIACYLGLYCEROLS OF PALM OIL AND AFFECTS ITS THERMAL, POLYMORPHIC AND MICROSTRUCTURAL PROPERTIES


DOI: https://doi.org/10.21894/jopr.2018.0046  |   Published Online: 13 February 2019
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RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 73-85

IMPACT ANALYSIS OF CLIMATIC FACTORS ON VEGETATIVE GROWTH, YIELD AND COLD RESISTANCE OF OIL PALM INTRODUCED IN DIFFERENT REGIONS OF GUANGDONG PROVINCE, CHINA


DOI: https://doi.org/10.21894/jopr.2019.0004  |   Published Online: 22 February 2019
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RESEARCH ARTICLE
Vol. 31 (1) March 2019, p. 53-66

IDENTIFICATION OF CHELIDONIC ACID AND ASPARAGINE IN Ganoderma boninense- INOCULATED OIL PALM SEEDLINGS


DOI: https://doi.org/10.21894/jopr.2019.0008  |   Published Online: 4 Mac 2019
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