Oil Palm (Elaeis spp.) Breeding in Malaysia

Malike, Fadila Ahmad; Amiruddin, Mohd Din; Yaakub, Zulkifli; Marjuni, Marhalil; Abdullah, Norziha; Bakar, Nor Azwani Abu; Mustaffa, Suzana; Mohamad, Mohd Mustakim; Hassan, Mohd Yazid; Ong‐Abdullah, Meilina; Parveez, Ghulam Kadir Ahmad; Din, Ahmad Kushairy

doi:10.1007/978-3-030-23265-8_13

Cited by 5 publications

(4 citation statements)

References 66 publications

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“…gene heritage [18] The homozygous genotype for the Dura trait (ShSh) is associated with fruits exhibiting a range of shell thickness, typically between 2 to 8 mm, and a diminished oil-bearing mesocarp. Conversely, Pisifera, which lacks a shell and has a mesocarp content of 95%, is as an optimal planting material.…”

Section: Fig 2 Oil Palm Seed Types and Monogenic Shell Thickeningmentioning

confidence: 99%

A Review on the Framework for Identifying High-yielding and Stress-tolerant Oil Palm with Molecular Markers

Mohd Nain,

Ahmad Latif,

Ahamed Hassain Malim

et al. 2023

Malaysian J. Sci. Adv. Tech.

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The various molecular markers employed in breeding programs have been identified in the last decade of the 20th century. Molecular marker development has significantly altered genetics. Molecular markers are not only utilised in connecting diagrams, but often involved during genetic differences in cultivars and germplasm evaluations in various plant breeding applications. Quantitative trait loci (QTL) and marker-assisted selection (MAS) are among the most interesting molecular markers utilisation. This review primarily aims to offer the knowledge required for the survival of plants developed via new molecular marker techniques and genetic modification implementation in oil palm breeding. Research in palm breeding is critical to gain insights into oil palm growth. This study could serve as a useful guide to understand oil palm development studies and improve existing prediction methods. Genetic markers crucial for oil palm development are also highlighted in the present study. Furthermore, a study gap was also identified.

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Section: Fig 2 Oil Palm Seed Types and Monogenic Shell Thickeningmentioning

confidence: 99%

A Review on the Framework for Identifying High-yielding and Stress-tolerant Oil Palm with Molecular Markers

Mohd Nain,

Ahmad Latif,

Ahamed Hassain Malim

et al. 2023

Malaysian J. Sci. Adv. Tech.

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“…Oil palm is monoecious, where both sexes of inflorescence could be found on the same tree [18]. In any oil palm yield improvement program, the inflorescence sex ratio is fundamental [19]. The environment and the availability of adequate water supply, planting densities, fertilizer application, and genetics of the plant may influence the oil palm sex ratio [19].…”

Section: Flower Census and Inflorescence Sex Ratio Components Computational Formulaementioning

confidence: 99%

“…In any oil palm yield improvement program, the inflorescence sex ratio is fundamental [19]. The environment and the availability of adequate water supply, planting densities, fertilizer application, and genetics of the plant may influence the oil palm sex ratio [19]. The determination of sex in oil palm is a complex procedure that is fully established through the complexity of the phenological evidence recorded from the growing plants in the field.…”

Section: Flower Census and Inflorescence Sex Ratio Components Computational Formulaementioning

confidence: 99%

Oil Palm Inflorescence Sex Ratio and Fruit Set Assessment in dura × pisifera Biparental Progenies on Fibric Peat Soil

et al. 2021

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This study investigated oil palm inflorescence sex ratio (ISR) and fruit set (FS) yield among 24 dura × pisifera biparental progenies on fibric peat soil, hybridized from ten genetic origins. Three-month intervals of data collection on ISR and “S-shape” procedure for FS determination were carried out in an independent complete randomized design for one year. Based on the assessment of individual progenies, analysis of variance revealed the existence of genetic heterogeneity. Five of the progenies had the highest ISR above 90%. However, 20.83% of the progenies (PK4841, PK4674, ECPHP415, ECPHP550, and PK4118) had the best normal range of ISR, indicating FS declined being influenced by ISR. Therefore, only 12.50% of the progenies (PK4674, PK4465, and PK4482) were above 60% FS critical level. Correlation analysis verified that ISR depends on the female flower and progeny PK4674 (65.78%) and PK4465 (62.62%) had the best FS and fruit to bunch. Among the parental origins, Deli Serdang × Cameroon was statistically the best for male flower production at 29.40% and ISR at 72.22%. The highest FS was recorded in Deli Banting × AVROS (54.00%) and Angola × AVROS (53.78%). However, molecular research, such as microsatellite molecular markers if concurrently used as a selection criterion with the present conventional study, could present further details to complement the present findings.

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“…Due to their relatively small size compared to seeds and kernels, ZE is preferred for oil palm cryopreservation. Larger tissues are more confined by freezing and desiccation sensitivity [17]. The in vitro regeneration of oil palm polyembryoids has been successfully established via a vitrification-based cryopreservation method with a 45% survival rate [3].…”

Section: Introductionmentioning

confidence: 99%

Cryopreservation and Cryotolerance Mechanism in Zygotic Embryo and Embryogenic Callus of Oil Palm

Wei

Shi

Khan

et al. 2023

Forests

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Oil palm (Elaeis guineensis) is the highest oil-yielding commercially grown perennial tree. Oil palm germplasm conservation and in vitro clonal propagation strengthened the world’s efforts to ensure future food security. Cryopreservation provides long-term storage for germplasm. The storage of plant material at cryogenic temperatures (−196 °C) following dehydration causes cryoinjury. The cryotolerance mechanism has rarely been studied in oil palm zygotic embryos (ZE) and embryogenic calli (EC). A simple and effective cryopreservation method was established for ZE. ZE surrounded by endosperm was air-dried for 3 days without any complicated chemical pre-treatments before cryopreservation, while the viability rate and following germination rate could reach up to 96.67% and 90.88%, respectively. As for EC, the preferred method could be pre-culture in liquid MS medium with 0.3 M sucrose for 12 h and PVS2 treatment for 5 min prior to cryopreservation, and the viability rate reached 68.33%. SSR markers were used to verify the genetic stability after cryopreservation. In addition, changes in enzyme activities (CAT, POD, and SOD) showed a consistent trend with H2O2 production among ZE samples, indicating that these antioxidants were involved in ROS scavenging. Furthermore, differently expressed genes (DEGs) related to ROS, osmotic, and cold stress responses were selected for correlation network analysis. Most genes involved in ROS production (RBOH, PAO, and PRX) and ROS scavenging (APX, PER, SOD, CAT, GPX, and AOX) showed higher expression levels in EC, suggesting that EC was more sensitive to oxidative stress than ZE. The cryotolerance mechanism was further summarized accordingly. These results contributed to cryopreservation methods and provided a better understanding of cryotolerance in oil palm.

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Oil Palm (Elaeis spp.) Breeding in Malaysia

Cited by 5 publications

References 66 publications

A Review on the Framework for Identifying High-yielding and Stress-tolerant Oil Palm with Molecular Markers

A Review on the Framework for Identifying High-yielding and Stress-tolerant Oil Palm with Molecular Markers

Oil Palm Inflorescence Sex Ratio and Fruit Set Assessment in dura × pisifera Biparental Progenies on Fibric Peat Soil

Cryopreservation and Cryotolerance Mechanism in Zygotic Embryo and Embryogenic Callus of Oil Palm

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