A review of oil-palm breeding

Hardon, J. J.; Rao, V. U. M.; Rajanaidu, N.; Russell, G.

doi:10.1016/b978-0-407-00780-2.50010-2

Cited by 27 publications

(13 citation statements)

References 16 publications

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“…and vitamins (Hardon et al, 1985;Bergamin Filho et al, 1998;Sambanthamurthi et al, 2000b;Rios et al, 2012). This germplasm collection was originally collected in different areas in the Brazilian Amazon forest.…”

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Chemical Characterization of the American Oil Palm from the Brazilian Amazon Forest

et al. 2018

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American oil palm [Elaeis oleifera (Kunth) Cortes] is known to present a much slower palm oil deterioration rate than African oil palm (E. guineensis Jacq.). In the present study, fatty acid composition, total carotenoids, oil content, and free fatty acid content were characterized for five accessions (Careiro, Anori, Manicoré, Coari, and Autazes) belonging to an American oil palm collection maintained as field gene bank by Embrapa. This germplasm collection was originally collected in different areas in the Brazilian Amazon forest. These accessions were subjected to different storage times (1, 7, and 14 d) before processing to evaluate the quality of the oil produced. Oil content of the dried pulp was found to range between 31.36 and 50.34%. Gas chromatographic analysis revealed that oleic acid is the predominant monounsaturated fatty acid in all five accessions. After 14 d of fruit storage, these accessions were found to maintain low acidity (free fatty acid content), between 1.33 and 2.66%. Total carotenoid content was presented in high concentrations in all five accessions (>1500 mg kg−1). The estimation of genetic parameters showed, in general, high heritability values (>80%), and the estimated genetic gains were generally very high. Coari and Careiro presented the highest oil yields, whereas Manicoré and Coari presented the lowest acidity. These two characteristics are the most important ones when selecting the best parental donor to develop superior interspecific hybrids.

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Chemical Characterization of the American Oil Palm from the Brazilian Amazon Forest

et al. 2018

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“…Ecotypes of E. oleifera and E. guineensis are utilised to produce interspecific hybrids targeting short stature, oil quality (mostly unsaturated oil) and disease resistance, including lethal yellowing, the major problem of oil palm cultivation in America (Bergamin Filho et al 1998) as well Fusarium wilt, the major oil palm disease in Africa (Hardon et al 1985). In this case there are strong chances for gathering together different traits besides the BNF potential.…”

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confidence: 99%

Application of 15N natural abundance technique for evaluating biological nitrogen fixation in oil palm ecotypes at nursery stage in pot experiments and at mature plantation sites

Carvalho¹,

Alves

Baldani

et al. 2007

Plant Soil

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A range of different species of diazotrophic bacteria has been found in tissues and the rhizosphere of oil palm plants, suggesting a potential to benefit from biological nitrogen fixation (BNF). A few studies have confirmed that plantlets at nursery stage can benefit significantly from BNF after inoculation with Azospirillum spp. but no data are available regarding the benefit from naturally-occurring diazotrophic bacteria in oil palm. The results described here were derived from two pot trials laid out under controlled conditions with plantlets from two important regions for palm oil production in Brazil, as well as from different field sites of mature oil palm plantations. The 15 N natural abundance technique was employed to estimate plant dependence on BNF (%Ndfa) by the different ecotypes grown in soil and previously characterized as hosting diazotrophic bacteria. From both pot trials it was possible to identify some ecotypes of high potential for N 2 -fixation that reached in some cases approximately 50%Ndfa. However, the accuracy of measurement still needs to be improved using more suitable reference plants for pot experiments. Values of δ 15 N signals from oil palm and reference plants in the field were inconclusive concerning any benefit from BNF to oil palm, owing to apparently high temporal and spatial variability of δ 15 N of the plant-available N in the heterogeneous soil matrix for the different palm and reference plant tested.

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“…BWT has generally been reported to have low heritability (Hardon et al 1985), making it difficult to elucidate its genetic control. The total variation explained by the QTLs in this study was higher for BNO (26.4 %) and FFB (27.1 %) than for ABW (19.7 %).…”

Section: Discussionmentioning

confidence: 99%

“…Turning to bunch and fruit characteristics Jacquemard et al (1982) and Hardon et al (1985) reported that some components, such as MF, SF and KF ratios, have relatively high heritability. Durand-Gasselin et al (2006) suggested that some traits, such as vertical growth, mesocarp-to-fruit, oil-to-mesocarp and bunch number are inherited more from specific parents and, hence, in which the traits can be selected for in breeding programmes.…”

Section: Discussionmentioning

confidence: 99%

QTLs for oil yield components in an elite oil palm (Elaeis guineensis) cross

et al. 2016

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Increased modern farming of superior types of the oil palm, Elaeis guineensis Jacq., which has naturally efficient oil biosynthesis, has made it the world's foremost edible oil crop. Breeding improvement is, however, circumscribed by time and costs associated with the tree's long reproductive cycle, large size and 10-15 years of field testing. Markerassisted breeding has considerable potential for improving this crop. Towards this, quantitative trait loci (QTL) linked to oil yield component traits were mapped in a high-yield population. In total, 164 QTLs associated with 21 oil yield component traits were discovered, with cumulative QTL effects increasing in tandem with the number of QTL markers and matching the QT? alleles for each trait. The QTLs confirmed all traits to be polygenic, with many genes of individual small effects on independent loci, but epistatic interactions are not ruled out. Furthermore, several QTLs maybe pleiotropic as suggested by QTL clustering of inter-related traits on almost all linkage groups. Certain regions of the chromosomes seem richer in the genes affecting a particular yield component trait and likely encompass pleiotropic, epistatic and heterotic effects. A large proportion of the identified additive effects from QTLs may actually arise from genic interactions between loci. Comparisons with previous mapping studies show that most of the QTLs were for similar traits and shared similar marker intervals on the same linkage groups. Practical applications for such QTLs in marker-assisted breeding will require seeking them out in different genetic backgrounds and environments.Electronic supplementary material The online version of this article

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A review of oil-palm breeding

Cited by 27 publications

References 16 publications

Chemical Characterization of the American Oil Palm from the Brazilian Amazon Forest

Chemical Characterization of the American Oil Palm from the Brazilian Amazon Forest

Application of 15N natural abundance technique for evaluating biological nitrogen fixation in oil palm ecotypes at nursery stage in pot experiments and at mature plantation sites

QTLs for oil yield components in an elite oil palm (Elaeis guineensis) cross

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