SELECTIVE CYTOTOXICITY EFFECTS OF R-GLYCIDOL AND S-GLYCIDOL ON VERO AND HCT 116 CELLS IN EVALUATING THE INCIDENCE OF GLYCIDYL ESTERS IN EDIBLE OILS AND FATS
BIOLOGY AND BEHAVIOUR OF Elaeidobius kamerunicus FAUST, 1898 (COLEOPTERA: CURCULIONIDAE) IN TWO OIL PALM CULTIVARS IN COLOMBIA
CARLOS ANDRÉS SENDOYA-CORRALES1*; NORMAN FABIAN URREGO-MORALES2; JESÚS DAVID CASTAÑO-MARTINEZ3; ALEX ENRIQUE BUSTILLO4 and ANUAR MORALES RODRÍGUEZ4 DOI: https://doi.org/10.21894/jopr.2023.0048 |
Published Online: 25 September 2023
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ASSESSMENT OF SUBTERRANEAN TERMITE, Coptotermes curvignathus (ISOPTERA: RHINOTERMITIDAE) INFESTATION SEVERITY INDEX (TISI) AND WATER TABLE ON A PEAT OIL PALM PLANTATION IN SARAWAK
MOHAMAD ROSMAN SULAIMAN1 *; SAHARUL ABILLAH MOHAMAD1 ; MOHAMAD IZZUDDIN ANUAR2 ; SITI NURULHIDAYAH AHMAD1 and MOHAMED MAZMIRA MOHD MASRI1 DOI: https://doi.org/10.21894/jopr.2023.0044 |
Published Online: 8 September 2023
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EVALUATION OF OIL PALM FROND FOR BIOBUTANOL PRODUCTION BY DIFFERENT Clostridia SPECIES
ABDURRAHMAN ABUBAKAR1,2; MADIHAH MD SALLEH1*; ADIBAH YAHYA1; HUSZALINA HUSSIN1; CHONG CHUN SHIONG1; SHAZA EVA MOHAMAD1 and SURAINI ABD AZIZ3 DOI: https://doi.org/10.21894/jopr.2023.0042 |
Published Online: 30 August 2023
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OIL PALM POLLEN COMPATIBILITY WITH OxG HYBRIDS IN ECUADOR
MARÍA RAQUEL MELÉNDEZ-JÁCOME1; ANDRÉS ALEJANDRO GALVIS-CORREA1; PAMELA ELIZABETH MANTILLA-VALDIVIESO1; FRANCO ESTÉFANO-TOBAR1; MAURICIO ANDRÉS RACINES-OLIVA1; TREVOR ANTHONY JACKSON2 and WILSON VASQUEZ-CASTILLO1* DOI: https://doi.org/10.21894/jopr.2023.0041 |
Published Online: 29 August 2023
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FORMULATION OF FORTIFIED MEDIA CONSISTING OF OIL PALM EMPTY FRUIT BUNCH BIOCOMPOST AND OIL PALM KERNEL SHELL BIOCHAR FOR THE ENHANCEMENT OF BIOACTIVE COMPOUNDS IN Centella asiatica (L.) URBAN
IZZA NADIRA ABU BAKAR1, MOHAMAD FAIZAL IBRAHIM1,2*, MANSOR HAKIMAN2, MOHD AZWAN JENOL1, NAHRUL HAYAWIN ZAINAL3, SURAINI ABD-AZIZ1, SEHANAT PRASONGSUK4 DOI: https://doi.org/10.21894/jopr.2023.0039 |
Published Online: 25 August 2023
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N-ALKANE PROFILES OF LARD AND VEGETABLE OILS, AND THEIR CHEMOMETRICS DIFFERENTIATION
NUR AIN SYAQIRAH SAPIAN1,2; MUHAMAD AIDILFITRI MOHAMAD ROSLAN1,2,3; AMALIA MOHD HASHIM1,4; YANTY NOORZIANNA ABDUL MANAF5; MOHD NASIR MOHD DESA1; MURNI HALIM2; MUHAMAD SHIRWAN ABDULLAH SANI6; MOHD TERMIZI YUSOF4; MOHD SABRI PAK DEK7 and HELMI WASOH1,2* DOI: https://doi.org/10.21894/jopr.2023.0038 |
Published Online: 22 August 2023
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IDENTIFICATION OF THE OIL PALM BAGWORM, Mahasena corbetti TAMS (LEPIDOPTERA: PSYCHIDAE) VIA MOLECULAR TECHNIQUES AND ITS BIOCONTROL ASSAY USING Bacillus thuringiensis
MOHD SHAWAL THAKIB MAIDIN1,2*; AMALIA MOHD HASHIM2,3; NOORHAZWANI KAMARUDIN1; SITI NURULHIDAYAH AHMAD1; MOHAMED MAZMIRA MOHD. MASRI1; RAHA ABDUL RAHIM2,4 AND SYARI JAMIAN5 DOI: https://doi.org/10.21894/jopr.2023.0036 |
Published Online: 8 August 2023
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BIOLOGY AND POPULATION DYNAMICS OF ADULT Sagalassa valida WALKER, 1856 (Lepidoptera: Brachodidae), THE OIL PALM ROOT BORER IN COLOMBIA
CARLOS ANDRÉS SENDOYA-CORRALES1; JOSÉ LUIS PASTRANA-SANCHEZ2*; JESÚS ARVEY MATABANCHOY SOLARTE3; ÁLEX ENRIQUE BUSTILLO PARDEY2; MIRIAM ROSERO GUERRERO2 and ANUAR MORALES RODRÍGUEZ2 DOI: https://doi.org/10.21894/jopr.2023.0034 |
Published Online: 8 August 2023
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RENEWABLE ENERGY AND GREENHOUSE GASES EMISSION REDUCTION POTENTIAL OF BIOGAS FROM PALM OIL MILL EFFLUENT
ABU BAKAR NASRIN1,2; ABDUL AZIZ ABDUL RAMAN1,*; MOHAMAD AZRI SUKIRAN2; NURUL ADELA BUKHARI2; ARCHINA BUTHIYAPPAN3; VIJAYA SUBRAMANIAM2; ASTIMAR ABDUL AZIZ2 and SOH KHEANG LOH2 DOI: https://doi.org/10.21894/jopr.2023.0032 |
Published Online: 2 August 2023
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THE EFFECT OF NCO/OH EQUIVALENT WEIGHT RATIOS OF POLYURETHANE (PU) BINDER AND PU BINDER CONTENT ON PROPERTIES OF MEDIUM DENSITY FIBERBOARD (MDF)
MOHD NORHISHAM SATTAR1*; TUAN NOOR MAZNEE TUAN ISMAIL1; KOSHEELA DEVI POO PALAM1; NORHAYATI MOHD NOOR1; NURUL AIN HANZAH1; SRIHANUM ADNAN1; YEONG SHOOT KIAN1; ZAFARIZAL ALDRIN AZIZUL HASAN1 and MANSUR AHMAD2 DOI: https://doi.org/10.21894/jopr.2023.0031 |
Published Online: 31 July 2023
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POME TREATMENT USING AB-101 MICROBIAL CONSORTIUM: PERFORMANCE AND PROPOSED MECHANISM
UMMI KALSUM HASANAH MOHD NADZIM1; NUR HANIS HAYATI HAIROM1,2*; MUHAMMAD ADIB ABIDI1; ADEL ALI SAEED ABDUH ALGHEETI3; DILAELEYANA ABU BAKAR SIDIK4; RAIS HANIZAM MADON1; SOFIAH HAMZAH5,6; ALYZA AZZURA A. RAHMAN AZMI5,6 and ABDUL WAHAB MOHAMMAD7 DOI: https://doi.org/10.21894/jopr.2023.0029 |
Published Online: 18 July 2023
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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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NUTRITIONAL COMPOSITION OF ANTHESISING MALE INFLORESCENCE OF OIL PALM Elaeis guineensis ESSENTIAL FOR DEVELOPMENT OF Elaeidobius kamerunicus Faust: FIRST REPORT
APPLICATION OF Euglena sp. ISOLATED FROM YOGYAKARTA, INDONESIA ON NUTRIENT REMOVAL FROM PALM OIL MILL EFFLUENT (POME)
AFIFAH NUR AINI PUTRI1; BARTOLOMIUS RENALDY1; USWATUN MUJAHIDAH1; YU INABA2; DEDY KURNIANTO1,3; ALUN SAMODRA1; BRILIAN RYAN SADEWO4 and EKO AGUS SUYONO1* DOI: https://doi.org/10.21894/jopr.2023.0025 |
Published Online: 14 June 2023
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DEVELOPMENT AND IN-HOUSE VALIDATION OF MULTI-RESIDUE METHOD FOR TRIAZOLE FUNGICIDES IN PALM KERNEL, MESOCARP AND RAW AGRICULTURE COMMODITY (RAC) USING GAS CHROMATOGRAPHY–MICRO ELECTRON CAPTURE DETECTOR (GC-μECD)
THE INFLUENCE OF FLOWERING BENEFICIAL PLANT, Turnera subulata ON THE INSECT NATURAL ENEMIES’ ABUNDANCE IN RELATION TO OIL PALM BAGWORM OCCURRENCE IN BAGAN DATUK, PERAK, MALAYSIA
ARTHROPOD FAUNA OF OIL PALM INFLORESCENCE (Elaeis guineensis), WITH NOTES ON THEIR ECOLOGICAL ROLES IN A PLANTATION IN TERENGGANU, MALAYSIA
MOHAMED NOR ZALIPAH1*; TAN HUI TING1; NURUL IZZAH AZUAN1; MOHD SHUHAIMI MUHAMMAD HAFFIDZIE1; FAIQ ZULFAQAR ZAIRY1; MUHAMAD AZRUL SHAIFUL LIZAM1; ASRAF MOHAMAD IDRUS1,2; SHAHRUL ANUAR MOHD SAH3; NUR FARIZA M. SHAIPULAH1 and NORASMAH BASARI1 DOI: https://doi.org/10.21894/jopr.2023.0013 |
Published Online: 15 March 2023
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EFFECTS OF CULTURE MEDIUM AND LIGHT DURATIONS ON THE FUNGAL GROWTH OF Bipolaris sorokiniana
MAIZAN ISMAIL1*; ABDUL SHUKOR JURAIMI2; ABU SEMAN IDRIS1; MOHD HEFNI RUSLI1; RAJA ZULKIFLI RAJA OMAR1; KAMIL A. TOHIRAN1 and MOHD NAQIUDDIN HUSRI1 DOI: https://doi.org/10.21894/jopr.2023.0010 |
Published Online: 9 March 2023
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AN EXPERIMENTAL STUDY ON THE EFFICIENCY OF A PALM MESOCARP SEPARATION MACHINE
NONGYAO MUEANGDEE1 *; KANTAPIT KRIWUTTISOM1 ; CHANITRA WASTHONG1 ; KRAISORN PUNYONG1 ; JINDA KONGCHAROEN1 ; SEPPO KARRILA1 and SARINTIP ANURAK1* DOI: https://doi.org/10.21894/jopr.2023.0008 |
Published Online: 6 March 2023
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OPTIMISATION OF FAME PRODUCTION FROM WASTE COOKING PALM OIL WITH KOH CATALYST SUPPORTED ON PALM KERNEL SHELLS ASH (PKSA) USING RESPONSE SURFACE METHODOLOGY (RSM)
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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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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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
METABARCODING IN DIET ASSESSMENT OF ADULT PARASITOID SPECIES, Dolichogenidea metesae (HYMENOPTERA: BRACONIDAE) TOWARDS ITS CONSERVATION AND MANAGEMENT IN THE OIL PALM PLANTATION
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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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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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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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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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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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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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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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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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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