Abdul Razak Purba

ORCID: 0009-0001-0721-674X
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Research Areas
  • Oil Palm Production and Sustainability
  • Coconut Research and Applications
  • Agricultural and Environmental Management
  • Date Palm Research Studies
  • Livestock Farming and Management
  • Lipid metabolism and biosynthesis
  • Biofuel production and bioconversion
  • Food Chemistry and Fat Analysis
  • Plant biochemistry and biosynthesis
  • Advances in Cucurbitaceae Research
  • Edible Oils Quality and Analysis
  • Seed Germination and Physiology
  • Genomics and Phylogenetic Studies
  • Tree Root and Stability Studies
  • Agricultural and Biological Research
  • Ovarian function and disorders
  • Education, Innovation and Language Studies
  • Soybean genetics and cultivation
  • Genetics and Plant Breeding
  • Soil Mechanics and Vehicle Dynamics
  • Linguistic, Cultural, and Literary Studies
  • Islamic Finance and Communication
  • Plant responses to water stress
  • Education and Islamic Studies
  • Legal Studies and Policies

Palm Research Center
2001-2025

Padjadjaran University
2024

University of Palangka Raya
2024

Fresh fruit bunches (FFB) consist of be composed grade in few spikelet. Fruit at a spikelet can distinguished into performed namely internal fruit, middle and outer as soon each section contain parthenocarpy fruits. This research was conducted for determine composition content fatty acid oil middle, from palm fruit. Samples came 3 – 5 the central FFB. Result showed that (46.9 + 9.9)% trend higher compared (42.8 10.3)% (39.1 9.5)%. Parthenocarpy fruits have low (14.2 16.2)% except yellowish...

10.22302/iopri.jur.jpks.v24i2.9 article EN cc-by-sa Jurnal Penelitian Kelapa Sawit 2016-08-01

Komposisi asam lemak dan bilangan iod minyak dari sembilan varietas kelapa sawit DxP komersial di PPKS antaranya adalah La Mé, Yangambi, Simalungun, Marihat, 239, 540, 718, DxPDumpy, Langkat telah dikaji. Kadar crude palm oil (CPO) mesokarp kering berkisar antara 63,3 – 88,5% dengan nilai tertinggi dimiliki oleh Yangambi (83,2 ± 5,3%) yang berbeda nyata lainnya. Asam palmitat Simalungun (47,8 2,1%) sedangkan oleat Mé (44,3 2,9%) keduanya Jenis lain dikandung CPO tidak antar varietas....

10.22302/iopri.jur.jpks.v24i1.1 article ID cc-by-sa Jurnal Penelitian Kelapa Sawit 2016-04-01

In the assumption of oil palm breeders, virescens type has no real economic value. Therefore, nigrescens is more considered. However, gives a visual cue that fruits are ripe without waiting to detach. 2010, Indonesian Oil Palm Research Institute (IOPRI) successfully planted an open-pollinated population Cameroon palm. The was characterized for frequency, as well bunch components, quantity and quality crude oil. frequency per accession sufficiently wide, ranging from 3.33-65.71%, affected by...

10.17503/agrivita.v0i0.2239 article EN cc-by-nc AGRIVITA Journal of Agricultural Science 2020-06-01

This study aimed to identify the direct effect of vitamin D on sperm DNA integrity after swim-up preparation.

10.4081/aiua.2024.12891 article EN Archivio Italiano di Urologia e Andrologia 2024-10-29

Pendidikan memegang peran penting dalam pembangunan manusia dan peningkatan kualitas hidup bangsa. Salah satu bentuk pengabdian nyata pendidikan di Indonesia adalah melalui program Kuliah Kerja Nyata (KKN) yang diadakan setiap tahun Universitas Palangka Raya. KKN Reguler dilaksanakan Desa Tumbang Nusa dengan Tema “UPR BERKONTRIBUSI, DESA BERINOVASI” pada desa tersebut kerja telah kami buat yaitu bebas stunting. Stunting kondisi kekurangan gizi kronis secara signifikan mempengaruhi...

10.59025/gq3fwg14 article ID cc-by-sa Jurnal Masyarakat Madani Indonesia 2024-11-29

Kegemukan adalah kondisi berat tubuh melebihi normal. Pada tahun 2022, diperkirakan 37 juta anak di bawah usia 5 mengalami kelebihan badan. Jumlah balita kegemukan secara nasional pada 2022 sebesar 3,5%. Faktor yang diduga erat kaitannya dengan pemberian susu formula. Penelitian ini bertujuan untuk mengetahui hubungan formula badan lebih (kegemukan) bayi 6 bulan Klinik Evi Medika Pekanbaru. penelitian kuantitatif jenis deskriptif korelasi menggunakan rancangan cross sectional. Populasi dalam...

10.36984/jkm.v7i2.520 article ID JURNAL KESEHATAN MERCUSUAR 2024-10-30

Indonesia, as a nation that officially recognizes religious pluralism, faces unique challenges within its judiciary system, particularly with respect to the exclusive Islamic Religious Courts. Referencing various laws and regulations, such Law No. 3 of 2006 on Courts, which caters only Muslims, there exists potential for discrimination could impact social harmony justice. This research aims investigate possible discriminatory practices in Courts explores comparison system Netherlands, is...

10.15294/jpi.v9i3.17886 article EN cc-by-nc-sa Politik Indonesia Indonesian Political Science Review 2024-12-16

Masalah penelitian ini adalah Bagaimana bentuk pemberian program Keluarga Harapan (PKH) di Desa Bangun Raya Kabupaten Simalungun. Bagaimanakah pengamalan agama Islam masyarakat Apakah berengaruh terhadap peningkatan Penelitian merupakan kualitatif dengan populasi sampel 60 orang melalui teknik pengumpulan data menggunakan angket dan analisis statistik. Berdasarkan pembahasan maka dapat disimpulkan bahwa Bentuk Simalungun berupa BLT (Bantuan Langsung Tunai), sembako kedua-dunya. Ketiga...

10.30743/taushiah.v13i2.9140 article ID 2024-04-11

Abstract Experience of IOPRI on oil palm tissue culture would be four decades in 2024. The first decade was theperiod clone development and field testing. second a setback for research because high percentage abnormalities the field. Moving from these experiences, tissueculture systems such as: including improving protocol, controlling duration callus induction, delimitating number subcultures, building clones database, were managed to improved. In this way, alow abnormality level is under...

10.1088/1755-1315/1308/1/012032 article EN IOP Conference Series Earth and Environmental Science 2024-02-01

The aim of this study is to explain the implementation problem-based learning (PBL) in developing listening skills (maharah istima’) using television as a medium at As-Sunnah Islamic College, Deli Serdang. This research employs qualitative method with phenomenological approach. Data collection techniques include observation, interviews, documentation, and data analysis, which encompasses reduction, drawing conclusions. focus on planning, implementation, evaluation activities through...

10.30983/huruf.v4i2.8879 article EN HuRuf Journal International Journal of Arabic Applied Linguistic 2024-12-31

Inbreeding is a common method used to reproduce candidate mother plant from selected parental lines for commercial seeds in Reciprocal Recurrent Selection (RRS) oil palm breeding program. However this practice may increased homozigosity level of population. This study concerned the homozygosity SP540T fourth generations and Dura Deli Dolok Sinumbah fifth (3 crosses respectively) their correlation with inbreeding depression symptoms. Polymerase Chain Reaction-Simple Sequence Repeat (PCR-SSR)...

10.22302/iopri.jur.jpks.v24i2.8 article EN cc-by-sa Jurnal Penelitian Kelapa Sawit 2016-08-01

The oil palm breeding program for the species Elaeis guineensis and backcross oleifera is running slowly because an annual plant. Therefore, it necessary to have alternative approach that can accelerate program. SNP (single nucleotide polymorphism) genome-wide was then used study association between 18 phenotypes of bunch component in germplasm E. from Suriname Brazil Coari, some interspecific hybrids elite progeny guineensis. genotyping by sequencing (GBS) analysis produced a total 459...

10.22302/iopri.jur.jpks.v29i2.144 article EN Jurnal Penelitian Kelapa Sawit 2021-08-24

Information of legitimacy oil palm progenies is important to guaranty the quality and control commercial seeds procedures. A true legitimate cross will produce progeny which has a combination their parent's allele. The information could be obtained early in nursery stage through DNA fingerprinting analysis. Simple Sequence Repeats (SSR) one markers used for fingerprinting, since marker system advantages acquire allele per individual population efficiency diverse parents. aim research obtain...

10.22302/iopri.jur.jpks.v25i1.22 article EN cc-by-sa Jurnal Penelitian Kelapa Sawit 2017-04-01

Komposisi asam lemak dan bilangan iod minyak dari sembilan varietas kelapa sawit DxP komersial di PPKS antaranya adalah La Mé, Yangambi, Simalungun, Marihat, 239, 540, 718, DxPDumpy, Langkat telah dikaji. Kadar crude palm oil (CPO) mesokarp kering berkisar antara 63,3 – 88,5% dengan nilai tertinggi dimiliki oleh Yangambi (83,2 ± 5,3%) yang berbeda nyata lainnya. Asam palmitat Simalungun (47,8 2,1%) sedangkan oleat Mé (44,3 2,9%) keduanya Jenis lain dikandung CPO tidak antar varietas....

10.22302/10.22302/iopri.jur.jpks.v24i1.1 article ID cc-by-sa Jurnal Penelitian Kelapa Sawit 2017-12-29

Inbreeding is a common method used to reproduce candidate mother plant from selected parental lines for commercial seeds in Reciprocal Recurrent Selection (RRS) oil palm breeding program. However this practice may increased homozigosity level of population. This study concerned the homozygosity SP540T fourth generations and Dura Deli Dolok Sinumbah fifth (3 crosses respectively) their correlation with inbreeding depression symptoms. Polymerase Chain Reaction-Simple Sequence Repeat (PCR-SSR)...

10.22302/10.22302/iopri.jur.jpks.v24i2.8 article EN cc-by-sa Jurnal Penelitian Kelapa Sawit 2018-02-02

Usaha pencarian marka DNA yang berhubungan dengan sifat diinginkan pada Elaeis oleifera guna introgresi tersebut ke genome guineensis memerlukan polimorfik. Untuk menghasilkan polimorfik jumlah banyak, identifikasi SNP genom dilakukan melalui pengurutan kembali (resequencing) 12 individu contoh populasi hibrida E. x (hibrida OxG), yaitu tipe liar, F1 interspesifik, pseudo-backcross dan material maju guineensis, menggunakan next generation sequencing (NGS). Read (urutan basa...

10.22302/iopri.jur.jpks.v29i2.148 article ID Jurnal Penelitian Kelapa Sawit 2021-08-24

The additive genetic value for oil yield of 135 parents from several African populations tested in the first cycle Indonesian Oil Palm Research Institute (IOPRI) breeding programme were estimated by best linear unbiased prediction (BLUP) using an unbalanced data set. These values used to evaluate possibility reduction generation selection time palm programme. ranks parental obtained with early period and whole was found be consistent. make that highly potential could selected recombined at a...

10.24198/zuriat.v15i1.6819 article EN cc-by-sa Zuriat 2015-09-14

AbstractIn addition to increase productivity, oil palm breeding is also aimed quality, one of which oleic acid content. Conventionally, the carried out by crossing between Elaeis guineensis high in oilcontent and oleifera contain acid. Genetic engineering might be done over expressing gene encoding β-Ketoacyl-ACP Synthase II (KASII) mesocarp palm. As a preliminary workof genetic content, this research was clone DNA fragment KASII using RT-PCR. Total RNA were isolated from two different types...

10.22302/iribb.jur.mp.v78i1.73 article ID cc-by Deleted Journal 2016-03-08
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