Author: mpob_admin

(100 Articles)

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. 36 (1) March 2024, p. p. 63-74

ENDOGENOUS HORMONES FROM THE YOUNG LEAVES OF OIL PALM (Elaeis guineensis Jacq.): A RESPONSE TO In Vitro CALLUS AND EMBRYOID INDUCTION

KARYANTI1*; CATUR SRIHERWANTO2; NURLAILA2; HAYAT KHAIRIYAH1; TATI SUKARNIH3; YAYAN RUDIYANA3 and CAHYO SRI WIBOWO4
DOI: https://doi.org/10.21894/jopr.2023.0002  |   Published Online: 20 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. 36 (1) March 2024, p. p. 51-62

FISH SPECIES RICHNESS, THEIR IMPORTANCE AND CONSERVATION STATUS IN TROPICAL OIL PALM AGROECOSYSTEM OF TERENGGANU, PENINSULAR MALAYSIA

MOHAMAD AQMAL-NASER1,2; MOHAMAD SAIFUL IMRAN SAHARI1; MUHAMMAD FAHMI-AHMAD1 and AMIRRUDIN AHMAD1,2*
DOI: https://doi.org/10.21894/jopr.2022.0077  |   Published Online: 13 December 2022
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RESEARCH ARTICLE
Vol. 36 (1) March 2024, p. p. 40-50

INITIAL CHARACTERISATION OF Metarhizium anisopliae CPMa1502 FOR THE DEVELOPMENT OF A BIOPESTICIDE AGAINST THE OIL PALM FRUIT SCRAPER Demotispa neivai (Coleoptera: Chrysomelidae)

GINNA QUIROGA-CUBIDES1*; FELIPE BORRERO-ECHEVERRY2; ANA MARÍA JIMÉNEZ1; LUIS GUILLERMO MONTES-BAZURTO3,4; ALEX BUSTILLO PARDEY3; MARTHA I. GÓMEZ1 and PAOLA E. CUARTAS-OTÁLORA1
DOI: https://doi.org/10.21894/jopr.2022.0076  |   Published Online: 9 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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SHORT COMMUNICATION
Vol. 34 (4) December 2022, p. 762-768

OPTIMISATION OF ETHYLENE TREATMENT CONDITIONS FOR OIL PALM FRUIT DETACHMENT USING RESPONSE SURFACE METHODOLOGY

MOHD IBNUR SYAWAL ZAKARIA1*; ARUTCHELVAM BALAKRISHNAN1; BEE AIK TAN1; JAIME YOKE SUM LOW1; SHWU FUN KUA1; CHIN MING LIM1 and DAVID ROSS APPLETON1
DOI: https://doi.org/10.21894/jopr.2022.0040  |   Published Online: 21 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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REVIEW ARTICLE
Vol. 34 (2) June 2022, p. 185-218

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2021

GHULAM KADIR AHMAD PARVEEZ1 *; NUR NADIA KAMIL1 ; NORLIYANA ZIN ZAWAWI1 ; MEILINA ONG-ABDULLAH1 ; RAHMAHWATI RASUDDIN1 ; SOH KHEANG LOH1 ; KANGA RANI SELVADURAY1 ; SENG SOI HOONG1 and ZAINAB IDRIS1
DOI: https://doi.org/10.21894/jopr.2022.0036  |   Published Online: 30 June 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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REVIEW ARTICLE
Vol. 34 (1) March 2022, p. 1-25

OMICS PLATFORM TECHNOLOGIES FOR DISCOVERY AND UNDERSTANDING THE SYSTEMS BIOLOGY OF OIL PALM – Review Article

UMI SALAMAH RAMLI1*; ABRIZAH OTHMAN1; BENJAMIN LAU YII CHUNG1; HASLIZA HASSAN1; NUR ‘AIN MOHD ISHAK1; ZAIN NURAZAH1; NURUL LIYANA ROZALI1; NOOR IDAYU MHD TAHIR1; SYAHANIM SHAHWAN1; SHAHIRAH BALQIS DZULKAFLI1; RAJINDER SINGH1; OMAR ABD RASID1; RAVIGADEVI SAMBANTHAMURTHI1; MOHAMAD ARIF ABD MANAF1 and GHULAM KADIR AHMAD PARVEEZ1
DOI: https://doi.org/10.21894/jopr.2020.0084  |   Published Online: 7 October 2020
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RESEARCH ARTICLE
Vol. 34 (1) March 2022, p. 167-176

PHYSICOCHEMICAL PROPERTIES OF PALM OLEIN-BASED POLYOLS PREPARED USING HOMOGENEOUS AND HETEROGENEOUS CATALYSTS

NORHAYATI MOHD NOOR1*; TUAN NOOR MAZNEE TUAN ISMAIL1; MOHD AZMIL MOHD NOOR1; KOSHEELA DEVI POO PALAM1; MOHD NORHISHAM SATTAR1; NURUL ‘AIN HANZAH1; SRIHANUM ADNAN1 and YEONG SHOOT KIAN1
DOI: https://doi.org/10.21894/jopr.2021.0034  |   Published Online: 25 August 2021
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RESEARCH ARTICLE
Vol. 34 (1) March 2022, p. 152-166

SYNTHESIS AND PHYSICOCHEMICAL PROPERTIES OF NEW ESTOLIDE ESTERS AS POTENTIAL BIOLUBRICANT BASE OIL

SENG SOI HOONG1*; MOHD ZAN ARNIZA1; NEK MAT DIN NIK SITI MARIAM1; ABU HASSAN NOOR ARMYLISAS1; SOOK WAH TANG1; TUAN NOOR MAZNEE TUAN ISMAIL1 and SHOOT KIAN YEONG1
DOI: https://doi.org/10.21894/jopr.2021.0032  |   Published Online: 21 July 2021
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RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 731-740

ASSOCIATION OF FATTY ACIDS AND POLAR COMPOUND FRACTIONS WITH ACRYLAMIDE FORMATION DURING INTERMITTENT FRYING

SU LEE KUEK1; AZMIL HAIZAM AHMAD TARMIZI2*; RAZNIM ARNI ABD RAZAK2; SELAMAT JINAP1,3; SAPARIN NORLIZA4 and MAIMUNAH SANNY1,3*
DOI: https://doi.org/10.21894/jopr.2022.0018  |   Published Online: 18 March 2022
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RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 699-709

PROPERTIES OF SOLID POLYURETHANES MADE FROM PALM OLEIN-BASED POLYOLS PREPARED WITH VARIOUS TYPES OF NUCLEOPHILES

TUAN NOOR MAZNEE TUAN ISMAIL1*; NOR AZOWA IBRAHIM2; KOSHEELA DEVI POO PALAM1; HOONG SENG SOI1; MOHD AZMIL MOHD NOOR1; YEONG SHOOT KIAN1; EMILIA ABD. MALEK2; IBRAHIM SENDIJAREVIC3 and VAHID SENDIJAREVIC3
DOI: https://doi.org/10.21894/jopr.2022.0015  |   Published Online: 2 March 2022
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RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 622-628

Strategus aloeus (COLEOPTERA: SCARABAEIDAE) DAMAGE AND ITS RELATIONSHIP WITH RAINFALL AND HYBRID OIL PALM AGE IN COLOMBIA

LUIS GUILLERMO MONTES-BAZURTO1*; ALEX ENRIQUE BUSTILLO-PARDEY1 and ANUAR MORALES RODRIGUEZ1
DOI: https://doi.org/10.21894/jopr.2022.0009  |   Published Online: 31 January 2022
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RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 643-656

OIL PALM SSR RESOURCE INTERFACE (OPSRI) – WEB-BASED BIOINFORMATIC ANALYSIS PIPELINE FOR SSR MINING

ROZANA ROSLI1 *; MOHD AMIN AB HALIM 1; TING NGOOT-CHIN1 ; NOORHARIZA MOHD ZAKI1 ; JAYANTHI NAGAPPAN1 ; RAJINDER SINGH1 ; LESLIE LOW ENG-TI1 and ZETI-AZURA MOHAMED-HUSSEIN2,3
DOI: https://doi.org/10.21894/jopr.2022.0008  |   Published Online: 28 January 2022
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RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 678-685

CHARACTERISATION OF PALM PYROLIGNEOUS ACID AND ITS EFFECTIVENESS AS ANTIFUNGAL AGENT FOR OIL PALM TRUNK

FAZLIANA ABDUL HAMID1 *; NAHRUL HAYAWIN ZAINAL1 ; NUR ELIYANTI ALI OTHMAN1 ; FATIHA ISMAIL1 ; NOORSHAMSIANA ABDUL WAHAB1 and ASTIMAR ABD AZIZ1
DOI: https://doi.org/10.21894/jopr.2022.0007  |   Published Online: 28 January 2022
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RESEARCH ARTICLE
Vol. 34 (4) December 2022, p. 668-677

MECHANICAL DESIGN ANALYSIS AND IMPROVEMENT OF ALUMINIUM ALLOY CANTAS SICKLE BLADE USING FINITE ELEMENT METHOD SIMULATION

AHMAD SYAZWAN RAMLI1 *; MOHD AZWAN MOHD BAKRI1 ; MOHD RIZAL AHMAD1 and MOHD IKMAL HAFIZI AZAMAN1
DOI: https://doi.org/10.21894/jopr.2022.0006  |   Published Online: 28 January 2022
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RESEARCH ARTICLE
Vol. 34 (3) September 2022, p. 488-496

FEASIBILITY STUDY OF OIL PALM HARVESTING USING PULSE FIBRE LASER SYSTEM WITH DIFFERENT LENSES

MOHD IKMAL HAFIZI AZAMAN1 *; AHMAD SYAZWAN RAMLY1 ; MOHD KHAIRUL FADZLY MDRADZI1 ; MOHD RIZAL AHMAD1 ; MOHD RAMDHAN MOHD KHALID1 ; MOHD AZWAN MOHD BAKRI1 ; YASMIN MUSTAPHA KAMIL1 and MOHD ADZIR MAHDI2
DOI: https://doi.org/10.21894/jopr.2022.0005  |   Published Online: 28 January 2022
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RESEARCH ARTICLE
Vol. 34 (3) September 2022, p. 439-452

DETERMINATION OF RELIABLE REFERENCE GENES FOR REVERSE TRANSCRIPTION QUANTITATIVE REAL-TIME PCR FROM OIL PALM TRANSCRIPTOMES

NADZIRAH AMIRUDDIN1 ; PEK-LAN CHAN1 ; KUANG-LIM CHAN1 ; PEI-WEN ONG1 ; PRISCILLA ELIZABETH MORRIS1 ; MEILINA ONG-ABDULLAH1 ; SUBHI SITI MASURA1 and ENG-TI LESLIE LOW1*
DOI: https://doi.org/10.21894/jopr.2022.0002  |   Published Online: 17 January 2022
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RESEARCH ARTICLE
Vol. 34 (3) September 2022, p. 546-561

TOPICAL APPLICATION OF THE PALM TOCOTRIENOL-RICH FRACTION (TRF) ENHANCES CUTANEOUS WOUND HEALING IN TYPE 2 DIABETIC MICE

ZAIZUHANA SHAHRIM1,2*; SUZANA MAKPOL2; GEOK CHIN TAN3; NURUL AISHAH MUHAMMAD1 and ZAFARIZAL ALDRIN AZIZUL HASAN1
DOI: https://doi.org/10.21894/jopr.2021.0054  |   Published Online: 5 January 2022
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RESEARCH ARTICLE
Vol. 34 (3) September 2022, p. 524-534

OPTIMISATION OF REACTION PARAMETERS FOR THE SYNTHESIS OF SOLKETAL LEVULINATE AS POTENTIAL BIODIESEL ADDITIVE

NMD NIK SITI MARIAM1 *; SENG SOI HOONG1 ; MOHD ZAN ARNIZA1 ; SRIHANUM ADNAN1 ; TUAN NOOR MAZNEE TUAN ISMAIL1 ; SHOOT KIAN YEONG1 and MUHAMMAD RAHIMI YUSOP2
DOI: https://doi.org/10.21894/jopr.2021.0052  |   Published Online: 21 December 2021
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ARTICLE IN PRESS
Vol. 34 (3) September 2022, p. 535-545

PALM-BASED CHOCOLATE SPREAD FOR WIDE RANGE TEMPERATURE APPLICATIONS USING SUNFLOWER WAX, CARNAUBA WAX AND BEES WAX

NORAZURA AILA MOHD HASSIM1 *; SIVARUBY KANAGARATNAM1 ; NUR HAQIM ISMAIL1 ; NOOR LIDA HABI MAT DIAN1 ; WAN ROSNANI AWG ISA1 and NOOR SOFFALINA SOFIAN SENG2
DOI: https://doi.org/10.21894/jopr.2021.0051  |   Published Online: 21 December 2021
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RESEARCH ARTICLE
Vol. 34 (3) September 2022, p. 427-438

NEW INSIGHTS INTO THE PHYLOGEOGRAPHY OF THE OIL PALM PEST, Metisa plana TOWARDS ITS MANAGEMENT CONTROL

AQILAH SAKINAH BADRULISHAM1; DAISUKE KAGEYAMA2; MADIHAH HALIM1; AMEYRA AMAN-ZUKI1; MOHAMED MAZMIRA MASRI3; SITI NURULHIDAYAH AHMAD3; BADRUL MUNIR MD-ZAIN4 and SALMAH YAAKOP1*
DOI: https://doi.org/10.21894/jopr.2021.0050  |   Published Online: 3 December 2021
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RESEARCH ARTICLE
Vol. 34 (2) June 2022, p. 380-393

EFFECT OF SODIUM CASEINATE/CELLULOSE NANOCRYSTALS ADDITION ON THE PHYSICAL AND OXIDATIVE STABILITY OF RED PALM OLEIN-IN-WATER PICKERING EMULSIONS

SEE KIAT WONG1; CHIEN LYE CHEW1,2; JANARTHANAN SUPRAMANIAM1; BENG TI TEY1,3; TIN WUI WONG4 and SIAH YING TANG1,3,5*
DOI: https://doi.org/10.21894/jopr.2021.0049  |   Published Online: 3 December 2021
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RESEARCH ARTICLE
Vol. 34 (2) June 2022, p. 276-288

EFFECTIVENESS OF Bacillus thuringiensis AERIAL SPRAYING AGAINST THE BAGWORM, Metisa plana WALKER (Lepidoptera: Psychidae) OUTBREAK IN OIL PALM USING DRONE

MOHAMED MAZMIRA MOHD MASRI1*; NOORHAZWANI KAMARUDIN1; NUR ROBAATUL MOHD ALI NAPIAH1 and MOHD FAHMI KENI1
DOI: https://doi.org/10.21894/jopr.2021.0045  |   Published Online: 23 November 2021
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RESEARCH ARTICLE
Vol. 34 (2) June 2022, p. 289-299

APPLICATION OF TARGETED GOAT GRAZING IN OIL PALM PLANTATIONS: ASSESSMENT OF WEED PREFERENCE, SPATIAL USE OF GRAZING AREA AND LIVE WEIGHT CHANGE

FRISCO NOBILLY1,2*; THOMAS MANLIT RAYMOND MAXWELL3; MUHAMMAD SYAFIQ YAHYA4 and BADRUL AZHAR4,5
DOI: https://doi.org/10.21894/jopr.2021.0047  |   Published Online: 23 November 2021
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RESEARCH ARTICLE
Vol. 34 (2) June 2022, p. 368-379

PALM GAMMA-TOCOTRIENOL SUPPLEMENTATION SUPPRESS TUMOUR GROWTH AND METASTASIS IN A SYNGENEIC MOUSE MODEL OF BREAST CANCER

SHONIA SUBRAMANIAM1,2; AMMU KUTTY RADHAKRISHNAN3; JEYA SEELA ANANDHA RAO4; PREMDASS RAMDAS5; NG MEI HAN2; METHIL KANNAN KUTTY6 and KANGA RANI SELVADURAY2*
DOI: https://doi.org/10.21894/jopr.2021.0048  |   Published Online: 22 November 2021
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