Vol. 35 (1) March 2023 – Journal of Oil Palm Research

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 MOHAMAD^1,12*; 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 HUNG^12,13; 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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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 23-32

STABILITY AND PHYSICAL PROPERTIES OF DIHYDROXYSTEARIC ACID BASED ORGANOGELS IN DIFFERENT TYPES OF VEGETABLE OIL

NORASHIKIN AHMAD¹* and ZAFARIZAL ALDRIN AZIZUL HASAN¹
DOI: https://doi.org/10.21894/jopr.2022.0022 | Published Online: 22 April 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 (1) March 2023, p. 45-57

CHARACTERISATIONS OF BIO-ASPHALT INCORPORATING PALM BIO-OIL FROM WASTE EMPTY FRUIT BUNCHES

TRACY WONG LEH XIN¹; MOK TAI HAN¹; GUO TAI¹; MOHD ROSLI MOHD HASAN¹*; MOHD ASYRAF KASSIM² and MOHAMAD AZRI SUKIRAN³
DOI: https://doi.org/10.21894/jopr.2022.0047 | Published Online: 10 August 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 BHASSU^1,2; KHOO JING JING⁴; SAZALY ABUBAKAR⁴; SITI NURUL IZZAH MOHD AZAMI⁵; SITI NABILAH ISHAK⁶; FARAH SHAFAWATI MOHD-TAIB⁶ and HASMAHZAITI OMAR^1,2,3*
DOI: https://doi.org/10.21894/jopr.2022.0026 | Published Online: 20 May 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 75-85

A COMPARATIVE STUDY OF OIL PALM FRONDS TORREFACTION UNDER FLUE GAS AND NITROGEN ATMOSPHERES

PREMCHAND¹; MASAHARU KOMIYAMA^1,2,3*; AQSHA⁴ and YOSHIMITSU UEMURA²
DOI: https://doi.org/10.21894/jopr.2022.0027 | Published Online: 27 May 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 86-99

COMPARISON OF ARTIFICIAL INTELLIGENCE MODELS TO PREDICT OIL PALM BIOMASS PYROLYSIS AND KINETICS USING THERMOGRAVIMETRIC ANALYSIS

YASMIN MOHD ZAIFULLIZAN¹; LIM MEI KUAN²; ARSHAD ADAM SALEMA^1,3* and KASHIF ISHAQUE⁴
DOI: https://doi.org/10.21894/jopr.2022.0048 | Published Online: 11 August 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 100-110

DEVELOPMENT AND FIELD EVALUATION OF A SEEDLING POLYBAG SOIL FILLING MACHINE FOR OIL PALM NURSERY

HASLINA HASSAN¹ ; AZMI YAHYA^1,4,5*; DARIUS EL PEBRIAN^{2 *} and AHMAD SUHAIZI MAT SU^3,4,5
DOI: https://doi.org/10.21894/jopr.2022.0039 | Published Online: 18 July 2022
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RESEARCH ARTICLE
Vol. 35 (1) March 2023, p. 111-120

COUNTING OF OIL PALM FRESH FRUIT BUNCHES USING COMPUTER VISION

MINARNI SHIDDIQ¹*; DODI SOFYAN ARIEF²; DEFRIANTO¹; VICKY VERNANDO DASTA¹; DEBORAH MARGARETHA PANJAITAN¹ and DONI SAPUTRA²
DOI: https://doi.org/10.21894/jopr.2022.0029 | Published Online: 27 May 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. 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. 147-156

IMPROVING THE GROWTH PERFORMANCE OF OIL PALM SEEDLINGS BY MIXTURES OF ORGANIC AND CHEMICAL FERTILISERS

MOHD FAHMI KENI¹*; NURHAFIZHOH ZAINUDDIN¹ and MOHAMED MAZMIRA MOHD MASRI¹
DOI: https://doi.org/10.21894/jopr.2022.0033 | Published Online: 14 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. 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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SHORT COMMUNICATION
Vol. 35 (1) March 2023, p. 185-192

SHORT COMMUNICATION: CULTURABLE BACTERIA POPULATION IN DIFFERENT OIL PALM PEAT SOIL OPERATIONAL ZONES

MOHD SHAWAL THAKIB MAIDIN^1*; GOGULA SELVI ASANG²; MOHD FAHMI KENI¹ and MOHAMED MAZMIRA MOHD MASRI¹
DOI: https://doi.org/10.21894/jopr.2022.0003 | Published Online: 17 January 2022
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Category: Vol. 35 (1) March 2023

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