Category: 2023

(60 Articles)

REVIEW ARTICLE
Vol. 35 (2) June 2023, p. 193-216

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2022

GHULAM KADIR AHMAD PARVEEZ1 *; OMAR ABD RASID1 ; MOHD NAJIB AHMAD1 ; HUMAIRA MAT TAIB1 ; MOHD AZWAN MOHD BAKRI1 ; SITTI RAHMA ABDUL HAFID1 ; TUAN NOOR MAZNEE TUAN ISMAIL1 ; SOH KHEANG LOH1 ; MEILINA ONG ABDULLAH1 ; KALSOM ZAKARIA1 and ZAINAB IDRIS1
DOI: https://doi.org/10.21894/jopr.2023.0028  |   Published Online: 28 June 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 639-652

THERMAL ANALYSIS AND NON-ISOTHERMAL THERMOGRAVIMETRIC KINETICS ANALYSIS USING COATS-REDFERN METHOD OF A TORREFIED EMPTY FRUIT BUNCHES

MOHAMAD AZRI SUKIRAN1*; PETER ADENIYI ALABA2; ABU BAKAR NASRIN1; ASTIMAR ABDUL AZIZ1 and SOH KHEANG LOH1
DOI: https://doi.org/10.21894/jopr.2023.0011  |   Published Online: 9 March 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 668-681

OPTIMISATION OF FAME PRODUCTION FROM WASTE COOKING PALM OIL WITH KOH CATALYST SUPPORTED ON PALM KERNEL SHELLS ASH (PKSA) USING RESPONSE SURFACE METHODOLOGY (RSM)

HUSSANAI SUKKATHANYAWAT<sup1 and KITTISAK WICHIANWAT<sup1*
DOI: https://doi.org/10.21894/jopr.2023.0005  |   Published Online: 8 February 2023
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REVIEW ARTICLE
Vol. 35 (4) December 2023, p. 555-581

PROSPECTS AND STATE-OF-THE-ART IN PRODUCTION OF BIO-BASED SUCCINIC ACID FROM OIL PALM TRUNK

NURUL ADELA BUKHARI1*; SOH KHEANG LOH 1; ABDULLAH AMRU INDERA LUTHFI2; ABU BAKAR NASRIN1 and PEER MOHAMED ABDUL2
DOI: https://doi.org/10.21894/jopr.2023.0003  |   Published Online: 31 January 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 682-693

ECONOMICAL STUDY OF BIO-BASED POLYBUTYLENE SUCCINATE PRODUCTION FROM OIL PALM BIOMASS

ROHANI ARPA1; ABDULLAH AMRU INDERA LUTHFI1,2*; NURUL ADELA BUKHARI3; JIAN PING TAN4; SAFA SENAN MAHMOD2 and MUHAMMAD ZULHAZIMAN MAT SALLEH1,2
DOI: https://doi.org/10.21894/jopr.2023.0001  |   Published Online: 18 January 2023
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 616-625

GEOSTATISTICAL ASSESSMENT OF HEAVY METALS AND NUTRIENTS AVAILABILITY IN SOIL OF OIL PALM PLANTATION AFFECTED BY BAUXITE MINING

MAZIDAH ZULKIFLI1; NUR SHUHADA MUHAMAD TAJUDIN1*; MOHD FUAD MISKON2; FIKRIAH FAUDZI2 and NURUL MAYZAITUL AZWA JAMALUDIN3
DOI: https://doi.org/10.21894/jopr.2022.0079  |   Published Online: 22 December 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 607-615

DYNAMICS OF SUCROSE PHOSPHATE SYNTHASE AND FRUCTOSE BISPHOSPHATE SYNTHASE IN OIL PALMS FERTILISED WITH LOW NITROGEN [(NH2)2CO] DOSE WITH NPPTNBPT COATING IN RED-YELLOW PODZOLIC SOIL

EKA TARWACA SUSILA PUTRA1*; BENITO HERU PURWANTO2; EKO HANUDIN2 and TAUFAN ALAM1
DOI: https://doi.org/10.21894/jopr.2022.0074  |   Published Online: 21 November 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 596-606

METABARCODING IN DIET ASSESSMENT OF ADULT PARASITOID SPECIES, Dolichogenidea metesae (HYMENOPTERA: BRACONIDAE) TOWARDS ITS CONSERVATION AND MANAGEMENT IN THE OIL PALM PLANTATION

FUAT SALBI1,2; AQILAH SAKINAH BADRULISHAM1; NUR AZURA ADAM2; IZFA RIZA HAZMI1 and SALMAH YAAKOP1*
DOI: https://doi.org/10.21894/jopr.2022.0070  |   Published Online: 7 November 2022
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REVIEW ARTICLE
Vol. 35 (2) June 2023, p. 217-235

MEMBRANE TECHNOLOGIES IN THE OIL INDUSTRY AND THEIR POTENTIAL APPLICATION FOR THE RECOVERY OF PHYTONUTRIENTS FROM PALM OIL

ADRIANA ISABEL RADA-BULA1*; JESÚS ALBERTO GARCÍA-NUÑEZ2; CARLOS JESÚS MUVDI-NOVA3 and CONSUELO DÍAZ-MORENO4
DOI: https://doi.org/10.21894/jopr.2022.0069  |   Published Online: 26 October 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 725-737

SYNTHESIS AND PHYSICOCHEMICAL PROPERTIES OF ESTOLIDE ESTER AND AMIDE MADE FROM USED COOKING OIL AS BIO-LUBRICANT

SENG SOI HOONG1*; MOHD ZAN ARNIZA1; NEK MAT DIN NIK SITI MARIAM1; ABU HASSAN NOOR ARMYLISAS1; SOOK WAH TANG1; TUAN ISMAIL TUAN NOOR MAZNEE1 and SHOOT KIAN YEONG1
DOI: https://doi.org/10.21894/jopr.2022.0064  |   Published Online: 3 October 2022
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RESEARCH ARTICLE
Vol. 35 (3) September 2023, p. 528-537

PROTEOMICS OF OIL PALM SOMATIC EMBRYOGENESIS REVEALS THE DIFFERENTIALLY EXPRESSED PROTEINS AS CANDIDATES FOR BIOMARKER DEVELOPMENT

KAMOLWAN KHIANCHAIKHAN1#; SUVICHARK AROONLUK1#; NARUMON PHAONAKROP2; SITTIRUK ROYTRAKUL2; MANTIRA SUKSIRT1; PAPHAWARIN PINYOKHAM1; MYA THUZAR3 and CHATCHAWAN JANTASURIYARAT1,4*
DOI: https://doi.org/10.21894/jopr.2022.0062  |   Published Online: 28 September 2022
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REVIEW ARTICLE
Vol. 35 (3) September 2023, p. 375-390

FUNGI IN BIOLOGICAL MANAGEMENT OF PLANT DISEASES: CURRENT AND FUTURE PERSPECTIVE

SHAMALA SUNDRAM1*; YUVARANI NAIDU1; INTAN NUR AINNI MOHAMED-AZNI1; SHARIFFAH-MUZAIMAH SYED ARIPIN1; RAMLI, NUR-RASHYEDA; MAIZATUL-SURIZA MOHAMED1 and MOHD HEFNI RUSLI1
DOI: https://doi.org/10.21894/jopr.2022.0061  |   Published Online: 23 September 2022
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RESEARCH ARTICLE
Vol. 35 (3) September 2023, p. 456-466

INTEGRATED MICROWAVE-STEAM STERILISATION OF LOOSE OIL PALM FRUITS: ENHANCED HEATING UNIFORMITY, CRUDE PALM OIL QUALITY AND ENERGY SAVINGS

SYED MOHAMMAD AHSAN SHAH1; ARSHAD ADAM SALEMA1,2*; NIK SUHAIMI MAT HASSAN3; YOSRI MOHD SIRAN3 and SYAHRIL ANUAR MD REJAB3
DOI: https://doi.org/10.21894/jopr.2022.0060  |   Published Online: 22 September 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 694-712

CHARACTERISTICS OF SUNFLOWER WAX, CARNAUBA WAX AND BEESWAX IN PALM SUPEROLEIN BLENDED OIL

NORAZURA AILA MOHD HASSIM1*; SIVARUBY KANAGARATNAM1; SAW MEI HUEY1; NUR HAQIM ISMAIL1; RAFIDAH ABD. HAMID1; MUHAMMAD HANIF MISKANDAR1 and NOOR-SOFFALINA SOFIAN-SENG2
DOI: https://doi.org/10.21894/jopr.2022.0055  |   Published Online: 6 September 2022
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RESEARCH ARTICLE
Vol. 35 (4) December 2023, p. 582-595

PHENOTYPIC VARIABILITY OF Elaeis oleifera GERMPLASM REVEALED BY PRINCIPAL COMPONENT AND CLUSTER ANALYSES

ZULKIFLI YAAKUB1*; MARHALIL MARJUNI1; SUZANA MUSTAFFA1; WAN NOR SALMIAH TUN MOHD SALIM1; FATIN MOHD NASIR1; NORZIHA ABDULLAH1; MOHD DIN AMIRUDDIN1; RAJANAIDU NOOKIAH2; AHMAD KUSHAIRI DIN3 and MEILINA ONG-ABDULLAH1
DOI: https://doi.org/10.21894/jopr.2022.0054  |   Published Online: 6 September 2022
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REVIEW ARTICLE
Vol. 35 (3) September 2023, p. 391-405

OIL PALM WATER REQUIREMENT AND THE NEED FOR IRRIGATION IN DRY MALAYSIAN AREAS

AFANDI A M1; ZULKIFLI H1; NUR ZUHAILI H A Z A1; NORLIYANA Z Z1*; HISHAM H1; SAHARUL A M1; DZULHELMI M N1; and VU THANH T A2
DOI: https://doi.org/10.21894/jopr.2022.0052  |   Published Online: 24 August 2022
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RESEARCH ARTICLE
Vol. 35 (2) June 2023, p. 330-339

SUSTAINING BEEHIVE-FENCE TO REDUCE ELEPHANT ENCROACHMENT IN OIL PALM PLANTATION

BADRUL AMIN ABDUL MALEK1; NORASMAH BASARI2*; HISHAM HAMZAH1; WAN NUR AMANINA WAN MANSOR2; M. FAIZOL SHAMRIE MD SHANI2; ANIS NAZIRAH ARSHAD2; WAHIZATUL AFZAN AZMI2 and MOHAMED NOR ZALIPAH2
DOI: https://doi.org/10.21894/jopr.2022.0050  |   Published Online: 23 August 2022
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SHORT COMMUNICATION
Vol. 35 (2) June 2023, p. 376-384

CROSS-VALIDATION AND RECEIVER OPERATING CHARACTERISTIC ANALYSES FOR OIL PALM LEAF METABOLOME DATASET

NUR AIN ISHAK1; NOOR IDAYU TAHIR1; NURUL LIYANA ROZALI1; ZAIN NURAZAH1; NUR RAIHAN ABD RAHIM2; ABRIZAH OTHMAN1 and UMI SALAMAH RAMLI1*
DOI: https://doi.org/10.21894/jopr.2022.0046  |   Published Online: 8 August 2022
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RESEARCH ARTICLE
Vol. 35 (2) June 2023, p. 365-375

FIELD EFFICACY OF ANTICOAGULANT RODENTICIDES AGAINST RAT INFESTATION IN OIL PALM PLANTATION

ARIFF ATEED MOHD NOH1; MUHAMMAD SYAFIQ MOHD ZALUDIN1; WAN MOHD HAFEZUL WAN ABDUL GHANI2; ABU HASSAN AHMAD1 and HASBER SALIM1,3*
DOI: https://doi.org/10.21894/jopr.2022.0044  |   Published Online: 5 August 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 33-44

ASSESSING ELECTRICAL AND PHYSICOCHEMICAL PERFORMANCE OF CHEMICALLY MODIFIED PALM OIL AS AN ALTERNATIVE TRANSFORMER LIQUID

MASRA, S M W1*; ARIEF, Y Z1; RIGIT, A R H2; SAHARI, S K1; RAHMAN, M R3; MUHAMMAD, M S1 and ETERUDDIN, H4
DOI: https://doi.org/10.21894/jopr.2022.0042  |   Published Online: 27 July 2022
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RESEARCH ARTICLE
Vol. 35 (3) September 2023, p. 476-490

GENETIC VARIABILITY OF MPOB-CAMEROON OIL PALM GERMPLASM BASED ON MORPHOLOGICAL TRAITS USING MULTIVARIATE ANALYSIS

WAN NOR SALMIAH TUN MOHD SALIM1; ZULKIFLI YAAKUB1*; SUZANA MUSTAFFA1; NOR AZWANI ABU BAKAR1; FATIN MOHD NASIR1; MARHALIL MARJUNI1; MOHD DIN AMIRUDDIN1 and MEILINA ONG-ABDULLAH1
DOI: https://doi.org/10.21894/jopr.2022.0038  |   Published Online: 8 July 2022
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RESEARCH ARTICLE
Vol. 35 (2) June 2023, p. 320-329

A FIELD EVALUATION ON FUNGICIDES APPLICATION TO CONTROL UPPER STEM ROT (USR) DISEASE IN OIL PALM CAUSED BY Ganoderma spp.

RAMLI NUR-RASHYEDA1*; ABU SEMAN IDRIS1; SHAMALA SUNDRAM1; NUR HAILINI ZAINOL-HILMI1 and SU CHONG MING2
DOI: https://doi.org/10.21894/jopr.2022.0037  |   Published Online: 6 July 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 168-184

TRANSPIRATION OF OIL PALM (Elaeis guineensis Jacq.) BASED ON SAP FLOW MEASUREMENT: THE RELATION TO SOIL AND CLIMATE VARIABLES

IPUT PRADIKO1*; SUROSO RAHUTOMO1; RANA FARRASATI1; EKO NOVIANDI GINTING1; FANDI HIDAYAT1 and MUHDAN SYAROVY1
DOI: https://doi.org/10.21894/jopr.2022.0035  |   Published Online: 29 June 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 157-167

PATHOGENESIS-RELATED PROTEIN INDUCTION IN Streptomyces GanoSA1-TREATED OIL PALM SEEDLINGS DURING EARLY INFECTION BY Ganoderma boninense

SHARIFFAH-MUZAIMAH SYED ARIPIN1*; IDRIS ABU SEMAN1; MOHD HEFNI RUSLI1 and SHAMALA SUNDRAM1
DOI: https://doi.org/10.21894/jopr.2022.0034  |   Published Online: 17 June 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 133-146

DESIGNING gRNAs TARGETING OIL PALM PHYTOENE DESATURASE (EgPDS) GENE AND CONSTRUCTION OF VECTORS FOR OIL PALM CRISPR/CAS9 STUDY

NORFAEZAH JAMALUDIN1; BOHARI BAHARIAH1; NOOR AZMI SHAHARUDDIN2; CHAI LING HO3; OMAR ABDUL RASID1; GHULAM KADIR AHMAD PARVEEZ1 and MAT YUNUS ABDUL MASANI1*
DOI: https://doi.org/10.21894/jopr.2022.0032  |   Published Online: 10 June 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 121-132

COMPARISON OF REAL-TIME PCR, CONVENTIONAL PCR AND RT-LAMP FOR THE DETECTION OF COCONUT CADANG-CADANG VIROID VARIANT IN OIL PALM

NUR DIYANA ROSLAN1; GANESAN VADAMALAI2; ABU SEMAN IDRIS1; KONG LIH LING3 and SHAMALA SUNDRAM1*
DOI: https://doi.org/10.21894/jopr.2022.0030  |   Published Online: 2 June 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 58-74

SPATIAL DISTRIBUTION OF Rattus SPECIES (RODENTIA: MURIDAE) IN OIL PALM PLANTATIONS OF PENINSULAR MALAYSIA WITH SPECIES VERIFICATION USING CYTOCHROME OXIDASE I (COI) GENE

MOHAMAD HARRIS NASIR1; MUHAMAD SHAKIRIN MISPAN1; SUBHA BHASSU1,2; KHOO JING JING4; SAZALY ABUBAKAR4; SITI NURUL IZZAH MOHD AZAMI5; SITI NABILAH ISHAK6; FARAH SHAFAWATI MOHD-TAIB6 and HASMAHZAITI OMAR1,2,3*
DOI: https://doi.org/10.21894/jopr.2022.0026  |   Published Online: 20 May 2022
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RESEARCH ARTICLE
Vol. 35 (2) June 2023, p. 236-246

EFFECT OF METHYLENE DIPHENYL DIISOCYANATE INDEX ON PHYSICOMECHANICAL AND MORPHOLOGICAL PROPERTIES OF PALM OLEIN-BASED VISCOELASTIC POLYURETHANE FOAMS

NURUL ‘AIN HANZAH1 *; KOSHEELA DEVI POO PALAM1 ; TUAN NOOR MAZNEE TUAN ISMAIL1 ; SRIHANUM ADNAN1 ; NORHAYATI MOHD NOOR1 ; MOHD NORHISHAM SATTAR1 and YEONG SHOOT KIAN1
DOI: https://doi.org/10.21894/jopr.2022.0023  |   Published Online: 9 May 2022
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REVIEW ARTICLE
Vol. 35 (1) March 2023, p. 1-22

IMPACT OF Elaeidobius kamerunicus (Faust) INTRODUCTION ON OIL PALM FRUIT FORMATION IN MALAYSIA AND FACTORS AFFECTING ITS POLLINATION EFFICIENCY: A REVIEW

SAHARUL ABILLAH MOHAMAD1,12*; MOHAMED MAZMIRA MOHD MASRI1; NORMAN KAMARUDIN1; MOHAMAD ROSMAN SULAIMAN1; ARNAUD COSTA4; MEILINA ONG-ABDULLAH1; HASNOL OTHMAN1; SITI NURULHIDAYAH AHMAD1; MUHAMMAD NURUL YAQIN SYARIF1; ZAM ABDUL KARIM5; IDRIS ABDUL GHANI6; SAMSUDIN AMIT7; AZLINA ZAKARIA7; SU CHONG MING8; SIAW TING CHUAN9; JOHARI JALINAS10; YAP YAU KOONG3; AHMAD ANUAR SAIRI11; SYED MOHD FAIZAL SYED ALI11; MAHBOB ABDULLAH2; SIVAPRAGASAM ANNAMALAI4; KING JIE HUNG12,13; MUHAMAD AZMI MOHAMMED12; IDRIS ABU SEMAN1; RAMLE MOSLIM1 and GHULAM KADIR AHMAD PARVEEZ1
DOI: https://doi.org/10.21894/jopr.2022.0021  |   Published Online: 21 April 2022
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