Vol. 37 (1) March 2025 – Journal of Oil Palm Research

REVIEW ARTICLE
Vol. 37 (1) March 2025, p. 1-15

A PICTURE OF RIPENESS: INVESTIGATING IMAGE-BASED TECHNIQUES FOR OIL PALM FRUIT GRADING

MUNIRAH ROSBI¹*; ZAID OMAR¹ and MARSYITA HANAFI²
DOI: https://doi.org/10.21894/jopr.2024.0015 | Published Online: 14 February 2024
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REVIEW ARTICLE
Vol. 37 (1) March 2025, p. 16-43

LIGNOCELLULOSIC BIOMASS-DERIVED BIOGAS: A REVIEW ON SUSTAINABLE ENERGY IN MALAYSIA

IZZAH FARHANA AB AZIZ¹; HASFALINA CHE MAN^1,2,3*; ALI DEMIRCI⁴; MUHAMMAD HAZWAN HAMZAH^1,2; ROZITA OMAR⁵; NUR SYAKINA JAMALI⁵; KAMIL KAYODE KATIBI^6,7 and ABDULSALAM MOHAMMED^3,8
DOI: https://doi.org/10.21894/jopr.2024.0021 | Published Online: 18 March 2024
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 44-52

SPECIES COMPOSITION OF BIRDS IN OIL PALM AREAS, NORTHERN SARAWAK, BORNEO, MALAYSIA

BETTYCOPA AMIT¹*; ANGIE SAPIS¹ and NIK SASHA KHATRINA KHAIRUDDIN¹
DOI: https://doi.org/10.21894/jopr.2023.0061 | Published Online: 29 November 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 53-63

APPLICATION OF SEAWEED EXTRACTS IN OIL PALM (Elaeis guineensis) SEEDLINGS SUBJECTED TO WATER DEFICIT: PHYSIOLOGICAL, BIOCHEMICAL AND ENZYMATIC RESPONSES

MUHAMMAD DANIAL MOKHTARUDDIN¹; NUR AIFAA ABD RAZAK¹; AISAMUDDIN ARDI ZAINAL ABIDIN¹; NOR IZZATI HUSNA NOORHISHAM²; NUR ASNA FAIQAH JOHARI¹ and ZETTY NORHANA BALIA YUSOF^1,2,3*
DOI: https://doi.org/10.21894/jopr.2023.0066 | Published Online: 27 December 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 64-71

In Vitro CULTURAL STUDIES FOR CALLOGENESIS AND EMBRYOGENESIS OF OIL PALM (Elaeis guineensis Jacq.) USING SEEDLING AND SPEAR LEAF EXPLANTS

B KALYANA BABU^1*; R K MATHUR¹ ; K SURESH¹ ; G RAVICHANDRAN¹ ; B SUSANTHI¹ and S TIWARI¹
DOI: https://doi.org/10.21894/jopr.2023.0064 | Published Online: 26 December 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 72-84

ANALYSIS OF PUTATIVE EgBBM PROMOTER BINDING PROTEINS DURING OIL PALM SOMATIC EMBRYOGENESIS

KAMOLWAN KHIANCHAIKHAN¹; SUVICHARK AROONLUK²; SUPACHAI VUTTIPONGCHAIKIJ^1,3 and CHATCHAWAN JANTASURIYARAT^1,3*
DOI: https://doi.org/10.21894/jopr.2023.0062 | Published Online: 29 November 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 85-95

ANTIFUNGAL VOLATILE ORGANIC COMPOUNDS (VOC) FROM A STRAIN OF Fusarium foetens AGAINST Ganoderma boninense

ANISA LUTFIA¹* and BEDAH RUPAEDAH¹
DOI: https://doi.org/10.21894/jopr.2023.0065 | Published Online: 27 December 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 96-109

INSECT COMMUNITY ASSOCIATED WITH Ganoderma BASIDIOCARPS IN OIL PALM PLANTATIONS OF SABAH

MUHAMMAD NURUL YAQIN SYARIF¹; SHAMALA SUNDRAM¹*; SITI NURULHIDAYAH AHMAD¹; MOHAMED MAZMIRA MOHD MASRI¹ and IDRIS ABU SEMAN¹
DOI: https://doi.org/10.21894/jopr.2024.0005 | Published Online: 10 January 2024
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 110-121

ANALYSIS OF THE ENERGY CONSUMPTION OF MOTORISED CIRCULAR SAW WHEN CUTTING OIL PALM FROND

SUN QUN¹* and ZAIDI MOHD RIPIN¹
DOI: https://doi.org/10.21894/jopr.2023.0063 | Published Online: 5 December 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 122-130

CORROSION SIMULATION OF AUTOMOTIVE MATERIALS UNDER EXPOSURE IN BIODIESEL

S Y CETIN^1,2*; M A MALEQUE³; H H MASJUKI²; A HAMDANI² and M M RAHMAN⁴
DOI: https://doi.org/10.21894/jopr.2023.0060 | Published Online: 29 November 2023
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 131-147

EXPERIMENTAL INVESTIGATIONS ON TRIBOLOGICAL ASSESSMENT AND NOx EMISSIONS OF PALM BIODIESEL BLENDED WITH OLEIC ACID AND ETHANOL

KARTHIC RAJA M¹; KAMALESH A SORATE¹* and PURNANAND V BHALE¹
DOI: https://doi.org/10.21894/jopr.2024.0002 | Published Online: 9 January 2024
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 148-159

SEDIMENT FORMATION IN A PALM OIL BIODIESEL BLEND IN A SHIP FUEL TANK

JAJANG AMIR HIDAYAT¹; BAMBANG SUGIARTO¹*; YULIANTO SULISTYO NUGROHO¹; AHMAD SYIHAN AUZANI¹; HARI SETIAPRAJA² and SITI YUBAIDAH²
DOI: https://doi.org/10.21894/jopr.2024.0001 | Published Online: 2 January 2024
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 160-171

PHYSICOCHEMICAL AND RHEOLOGICAL PROPERTIES OF RED PALM OLEIN OLEOGELS MADE WITH BEESWAX AS THE OLEOGELATOR

ANNISA NOOR RACHMAWATI¹; NUR WULANDARI^1,2* and EKO HARI PURNOMO^1,2
DOI: https://doi.org/10.21894/jopr.2024.0006 | Published Online: 23 January 2024
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RESEARCH ARTICLE
Vol. 37 (1) March 2025, p. 172-180

INVERSE VULCANISED POLYSULPHIDE ADSORBENT FROM WASTE COOKING PALM OIL FOR Cu²⁺ REMOVAL

MOHD FAIZAL ALI¹; NANCY NUBUR LIBAT¹; HANNAH NISA ADAWIYAH¹; ABDULLAH NAYEEM^1,2 and JUN HASLINDA SHARIFFUDDIN ^1,3*
DOI: https://doi.org/10.21894/jopr.2024.0009 | Published Online: 29 January 2024
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SHORT COMMUNICATION
Vol. 37 (1) March 2025, p. 181-186

DEVELOPMENT OF qPCR PRIMER FOR Ganoderma boninense DETECTION IN SOIL

HUN JIAT, TUNG¹*; YIT KHENG, GOH¹ and WEI CHEE, WONG¹
DOI: https://doi.org/10.21894/jopr.2024.0040 | Published Online: 28 August 2024
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Category: Vol. 37 (1) March 2025

(15 Articles)