afdzan@mpob.gov.my – Journal of Oil Palm Research

ARTICLE IN PRESS

MORPHOMETRIC VARIATIONS IN Elaeidobius kamerunicus FAUST AND THEIR INFLUENCE ON THE QUANTITY AND VIABILITY OF CARRIED POLLEN

CHRISTHARINA S GINTORON^1,2*; MUHAMAD AZMI MOHAMMED¹; SITI NURLYDIA SAZALI³; ELVY QUATRIN DEKA³; SU CHONG MING⁴; SAHARUL ABILLAH MOHAMAD⁵; IMRAN HAIDER SHAMSI⁶ and PATRICIA JIE HUNG KING¹*
DOI: https://doi.org/10.21894/jopr.2026.0049 | Published Online: 29 October 2026
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ARTICLE IN PRESS

BIOCONVERSION OF PALM OLEIN INTO MANNOSYLERYTHRITOL LIPIDS BY Pseudozyma antarctica AND Ustilago maydis

WAN NUR FATIHAH WAN MUHAMMAD ZULKIFLI¹*; ZULINA ABD MAURAD¹ and ARNIZA MOHD ZAN¹
DOI: https://doi.org/10.21894/jopr.2026.0048 | Published Online: 27 October 2026
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ARTICLE IN PRESS

EVALUATING SOIL QUALITY ACROSS MULTIPLE SOIL TYPES FOR SUSTAINABLE OIL PALM PLANTATIONS IN CENTRAL KALIMANTAN, INDONESIA

WIDYATMANI SIH DEWI¹*; MUJIYO¹; RAHAYU¹; DWI PRIYO ARIYANTO¹; AKTAVIA HERAWATI¹; GANJAR HERDIANSYAH¹; SUMANI¹ and RIRIS SRIGAYUH TEGARNINGTYAS TINUNTUN²
DOI: https://doi.org/10.21894/jopr.2026.0047 | Published Online: 21 October 2026
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ARTICLE IN PRESS

SEX-SPECIFIC INFESTATION AND LARVAL STAGE STRUCTURE OF Tirathaba mundella IN OIL PALM INFLORESCENCES

ELVINTIRAN BALAN JALONG¹; HII JUNG MEE²; LAU BOM KIONG²; RESHMI SASMITA HENRY³; ABU HASSAN AHMAD¹ and HASBER SALIM¹*
DOI: https://doi.org/10.21894/jopr.2026.0046 | Published Online: 19 October 2026
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ARTICLE IN PRESS

LAND USE CHANGE PATHWAYS IN THE BARUMUN WATERSHED: ASSESSING THE ROLE OF OIL PALM EXPANSION

HENNY LYDIASARI^1,2; MASTURA AZMI¹*; HERI SANTOSO² and MD AZLIN MD SAID¹
DOI: https://doi.org/10.21894/jopr.2026.0045 | Published Online: 19 October 2026
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ARTICLE IN PRESS

IMPACT OF PEATLAND MANAGEMENT ON WATER QUALITY AND TROPHIC PLASTICITY OF FRESHWATER FISH IN NORTHERN SARAWAK, BORNEO

TRACY NOR EMPAK¹*; ANGELINE BONG YEE CHEN¹; JACQLEEN MIK²; BETTYCOPA AMIT²; NIK SASHA KHATRINA KHAIRUDDIN²; ANGIE SAPIS²; IVAN CHIRON YAMAN³; MARCIE ELENE MARCUS³ and JONGKAR GRINANG¹*
DOI: https://doi.org/10.21894/jopr.2026.0044 | Published Online: 19 October 2026
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ARTICLE IN PRESS

PUTATIVE HEAVY METAL-TOLERANT Azotobacter AND Pseudomonas FROM PALM OIL MILL EFFLUENT (POME): PRELIMINARY EVALUATION OF BIOREMEDIATION AND BIOFERTILISER TRAITS

ERNITHA PANJAITAN¹*; EBSAN MARIHOT SIANIPAR¹; SRI PRATIWI ARITONANG^1,2 and RIZKY YUDHA PRATAMA³
DOI: https://doi.org/10.21894/jopr.2026.0043 | Published Online: 16 October 2026
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ARTICLE IN PRESS

PHYSICOCHEMICAL AND QUALITY ASSESSMENT OF EGYPTIAN-GROWN PALM OIL FOR ADVANCING SUSTAINABLE DEVELOPMENT IN EGYPT

ADEL AHMED ABUL-SOAD¹; MOUNIR M. EID²; WAEL A. ABD EL-HAMIED² and RANIA I. M. ALMOSELHY²*
DOI: https://doi.org/10.21894/jopr.2026.0042 | Published Online: 16 October 2026
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ARTICLE IN PRESS

COMPARATIVE ASSESSMENT OF SOIL PROPERTIES UNDER OIL PALM MONOCULTURE AND OIL PALM-COCOA INTERCROPPING SYSTEMS

PREMALATHA, R P¹*; RAMACHANDRUDU, K¹; SURESH, K¹; MANORAMA, K¹; CHANDRAKALA, V¹ and GOWTHAMI, L¹
DOI: https://doi.org/10.21894/jopr.2025.0041 | Published Online: 13 October 2026
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ARTICLE IN PRESS

IMPACT OF ANTHESIS PERIOD AND ABIOTIC FACTOR ON THE POPULATION DENSITY OF Elaeidobius kamerunicus FAUST (COLEOPTERA: CURCULIONIDAE) IN OIL PALM PEAT AND MINERAL SOILS

MUHAMAD HAZIQ HADIF ZULKEFLI^1,2*; SYARI JAMIAN^2,3; NUR AZURA ADAM²; SUMAIYAH ABDULLAH²; MOHAMED MAZMIRA MOHD MASRI¹; RAMLE MOSLIM¹ and SAHARUL ABILLAH MOHAMAD¹
DOI: https://doi.org/10.21894/jopr.2026.0040 | Published Online: 9 October 2026
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ARTICLE IN PRESS

FIELD‑BASED EVALUATION OF MEALYBUG-SOOTY MOULD DYNAMICS IN OIL PALM

SEBREY JEN SOMPIT^1,2; MOHD NOZULAIDI NORDIN³; MUHAMMAD DZULHELMI MUHAMMAD NASIR⁴; CIK MOHD RIZUAN ZAINAL ABIDIN⁴; MARK WONG KUI LIANG^1,5; BELLERICTER BINJAMIN¹; DK NORHAJIJAH AK MOHIDDIN¹; SALUMIAH MIJIN¹; CLAMENT CHIN FUI SEUNG¹ and SUZAN BENEDICK¹*
DOI: https://doi.org/10.21894/jopr.2026.0039 | Published Online: 7 October 2026
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ARTICLE IN PRESS

GLOBAL RESEARCH TRENDS ON PALM OIL FUEL ASH (POFA) FROM 1995 TO 2025: A BIBLIOMETRIC ANALYSIS

WAFI MUFADHAL¹*; APRILINA PURBASARI¹ and HADIYANTO¹
DOI: https://doi.org/10.21894/jopr.2026.0038 | Published Online: 15 September 2026
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ARTICLE IN PRESS

SUSTAINABLE BIOETHANOL PRODUCTION FROM OIL PALM EMPTY FRUIT BUNCH FIBRE USING MICROWAVE-ASSISTED PHOSPHINIC ACID PRETREATMENT

RAMA MOHAN POLUDASU^1,2*; PIYARAT BOONSAWANG¹ and SUTARYO SUTARYO²
DOI: https://doi.org/10.21894/jopr.2026.0037 | Published Online: 26 August 2026
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ARTICLE IN PRESS

CHARACTERISATION AND PERFORMANCE EVALUATION OF SUSTAINABLE EMPTY FRUIT BUNCH HYDRO-DEGRADABLE FILM

MIEOWKEE CHAN^1,2*; JUNHOONG HAN¹; KHALED OBAIDEEN³ and NURUL ADELA BUKHARI⁴
DOI: https://doi.org/10.21894/jopr.2026.0036 | Published Online: 26 August 2026
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ARTICLE IN PRESS

BIOLOGICAL ATTRIBUTES OF RUGOSE SPIRALLING WHITEFLY, Aleurodicus rugioperculatus MARTIN ON OIL PALM AND KEY HOSTS: IMPLICATIONS FOR PEST MANAGEMENT

ARNS SUBBANNA¹*; CH. GIRISH¹ and K. SURESH¹
DOI: https://doi.org/10.21894/jopr.2026.0035 | Published Online: 26 August 2026
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ARTICLE IN PRESS

DISTANCE-BASED NATURAL AND MAN-MADE HABITAT FACTORS SHAPE BIRD COMMUNITY STRUCTURE IN OIL PALM-FOREST INTERFACES

NAIM MUSTAFA¹; MOHAMAD AZAM AKMAL ABU-BAKAR^1,2,7; AHMAD SHAHDAN KASIM³; ZALIFAH RAMLI³; HAIRULAZIM MAHMUD³; SHARIFAH NUR AFNI⁴; PAZIL ABDUL-PATAH⁵; BADRUL AZHAR⁶ and FARAH SHAFAWATI MOHD-TAIB¹*
DOI: https://doi.org/10.21894/jopr.2026.0034 | Published Online: 26 August 2026
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ARTICLE IN PRESS

REAL-TIME OIL PALM FRESH FRUIT BUNCH DRONE IMAGE CLASSIFICATION USING YOLO11 ARCHITECTURE

CHE AQIL ZULHAZIM CHE HASSAN¹; MUHAMMAD RUSYDI MUHAMMAD RAZIF¹*; MOHD NORZALI HJ MOHD²; AQILAH ABD HALIM¹; NURUL HASYIMAH MOHD MUSTAPHA¹ and MOHD NORAZYSYAM AZMAN³
DOI: https://doi.org/10.21894/jopr.2026.0033 | Published Online: 17 August 2026
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ARTICLE IN PRESS

A PLANT SPIRAL STUDY: AN AERIAL IMAGERY FOR FROND ANGLE MODELLING IN OIL PALM TREES

MUHAMMAD FITRI ABU MUNTALIB^1,3*; MUHAMAD SAUFI MOHD KASSIM^1,2; AIMRUN WAYAYOK²; AHMAD FIKRI ABDULLAH²; NUR ‘ATIRAH MUHADI² and ZAILANI KHUZAIMAH¹
DOI: https://doi.org/10.21894/jopr.2026.0032 | Published Online: 11 August 2026
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ARTICLE IN PRESS

THE EFFECT OF 15% CO₂ INJECTION INTO POME SUPPLEMENTATION ON THE Euglena sp. CULTURE’S GROWTH AND LIPID PRODUCTION

SITI MUALIFAH¹; RIA AMELIA¹; DEDY KURNIANTO^1,2; RENATA ADARANYSSA EGISTHA PUTRI¹; GEOFANI KARINE APRILIANA¹; HERI SUJADMIKO¹ and EKO AGUS SUYONO¹*
DOI: https://doi.org/10.21894/jopr.2026.0031 | Published Online: 7 August 2026
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ARTICLE IN PRESS

ASSESSING THE EFFECTIVENESS OF OIL PALM PLANTATION MANAGEMENT PRACTICES FOR CONSERVING AQUATIC ENVIRONMENT USING BIOLOGICAL AND PHYSICOCHEMICAL APPROACHES

ANGELINE BONG YEE CHEN¹*; TRACY NOR ANAK EMPAK¹; JACQLEEN MIK¹; BETTYCOPA AMIT²; NIK SASHA KHATRINA KHAIRUDDIN²; ANGIE SAPIS²; IVAN CHIRON YAMAN³; MARCIE ELENE MARCUS³ and JONGKAR GRINANG¹*
DOI: https://doi.org/10.21894/jopr.2026.0030 | Published Online: 21 July 2026
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REVIEW ARTICLE
Vol. 38 (2) June 2026, p. 201-228

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2025

GHULAM KADIR AHMAD PARVEEZ¹*; CHIEW WEI PUAH¹; SAY PENG TAN¹; ZULKIFLI YAAKUB¹; HALIZA ABD. AZIZ¹; MOHAMAD AZRI SUKIRAN¹; PUVANESWARI MEGANATHAN¹; HUMAIRA MAT TAIB¹ and RAMLE MOSLIM¹
DOI: https://doi.org/10.21894/jopr.2026.0029 | Published Online: 26 June 2026
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Author: afdzan@mpob.gov.my

(21 Articles)

MORPHOMETRIC VARIATIONS IN Elaeidobius kamerunicus FAUST AND THEIR INFLUENCE ON THE QUANTITY AND VIABILITY OF CARRIED POLLEN

BIOCONVERSION OF PALM OLEIN INTO MANNOSYLERYTHRITOL LIPIDS BY Pseudozyma antarctica AND Ustilago maydis

EVALUATING SOIL QUALITY ACROSS MULTIPLE SOIL TYPES FOR SUSTAINABLE OIL PALM PLANTATIONS IN CENTRAL KALIMANTAN, INDONESIA

SEX-SPECIFIC INFESTATION AND LARVAL STAGE STRUCTURE OF Tirathaba mundella IN OIL PALM INFLORESCENCES

LAND USE CHANGE PATHWAYS IN THE BARUMUN WATERSHED: ASSESSING THE ROLE OF OIL PALM EXPANSION

IMPACT OF PEATLAND MANAGEMENT ON WATER QUALITY AND TROPHIC PLASTICITY OF FRESHWATER FISH IN NORTHERN SARAWAK, BORNEO

PUTATIVE HEAVY METAL-TOLERANT Azotobacter AND Pseudomonas FROM PALM OIL MILL EFFLUENT (POME): PRELIMINARY EVALUATION OF BIOREMEDIATION AND BIOFERTILISER TRAITS

PHYSICOCHEMICAL AND QUALITY ASSESSMENT OF EGYPTIAN-GROWN PALM OIL FOR ADVANCING SUSTAINABLE DEVELOPMENT IN EGYPT

COMPARATIVE ASSESSMENT OF SOIL PROPERTIES UNDER OIL PALM MONOCULTURE AND OIL PALM-COCOA INTERCROPPING SYSTEMS

IMPACT OF ANTHESIS PERIOD AND ABIOTIC FACTOR ON THE POPULATION DENSITY OF Elaeidobius kamerunicus FAUST (COLEOPTERA: CURCULIONIDAE) IN OIL PALM PEAT AND MINERAL SOILS

FIELD‑BASED EVALUATION OF MEALYBUG-SOOTY MOULD DYNAMICS IN OIL PALM

GLOBAL RESEARCH TRENDS ON PALM OIL FUEL ASH (POFA) FROM 1995 TO 2025: A BIBLIOMETRIC ANALYSIS

SUSTAINABLE BIOETHANOL PRODUCTION FROM OIL PALM EMPTY FRUIT BUNCH FIBRE USING MICROWAVE-ASSISTED PHOSPHINIC ACID PRETREATMENT

CHARACTERISATION AND PERFORMANCE EVALUATION OF SUSTAINABLE EMPTY FRUIT BUNCH HYDRO-DEGRADABLE FILM

BIOLOGICAL ATTRIBUTES OF RUGOSE SPIRALLING WHITEFLY, Aleurodicus rugioperculatus MARTIN ON OIL PALM AND KEY HOSTS: IMPLICATIONS FOR PEST MANAGEMENT

DISTANCE-BASED NATURAL AND MAN-MADE HABITAT FACTORS SHAPE BIRD COMMUNITY STRUCTURE IN OIL PALM-FOREST INTERFACES

REAL-TIME OIL PALM FRESH FRUIT BUNCH DRONE IMAGE CLASSIFICATION USING YOLO11 ARCHITECTURE

A PLANT SPIRAL STUDY: AN AERIAL IMAGERY FOR FROND ANGLE MODELLING IN OIL PALM TREES

THE EFFECT OF 15% CO₂ INJECTION INTO POME SUPPLEMENTATION ON THE Euglena sp. CULTURE’S GROWTH AND LIPID PRODUCTION

ASSESSING THE EFFECTIVENESS OF OIL PALM PLANTATION MANAGEMENT PRACTICES FOR CONSERVING AQUATIC ENVIRONMENT USING BIOLOGICAL AND PHYSICOCHEMICAL APPROACHES

OIL PALM ECONOMIC PERFORMANCE IN MALAYSIA AND R&D PROGRESS IN 2025