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Keragaan Genetik dan Pendugaan Heritabilitas pada Komponen Hasil dan Kandungan β-Karoten Progeni Kelapa Sawit Lollie Agustina P. Putri; , Sudarsono; Hajrial Aswidinnoor; Dwi Asmono
Indonesian Journal of Agronomy Vol. 37 No. 2 (2009): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

An experiment to study heritability, general combining ability (GCA), and specific combining ability (SCA) of some traits in oil palm progeny was conducted at Kebun Surya Adi, PT. Bina Sawit Makmur, Sampoerna Agro, Ogan Komering Ilir, Sumatera Selatan, from July 2006 until September 2008. The research was arranged in alpha design with two replications, 50 progenies and 12 palms for each replication, respectively. The results showed that broad sense heritability estimates were high for mesocarp to fruit, oil to fresh mesocarp, and kernel to fruit content ratios, and β-carotene content; medium for bunch number and oil to bunch ratio; and low for fresh bunch and fruit to bunch ratio. The general combining ability (GCA) of bunch number, mesocarp to fruit, oil to fresh mesocarp, and kernel to fruit ratios and β-carotene content were highly significant. Similarly, the specific combining ability (SCA) of mesocarp to fruit, oil to fresh mesocarp, and kernel to fruit ratios and β-carotene content were also highly significant. Key words: Heritability, combining ability, Elaeis guineensis Jacq., alpha design, β-carotene

The Genetic Estimation of Fruit Component Parameters of Seven Coconut Populations Without a Progeny Test Dwi Asmono; Alex Hartana; Edi Guhardja; Sudirman Yahya
Forum Pasca Sarjana Vol. 16 No. 1 (1993): Forum Pascasarjana
Publisher : Forum Pasca Sarjana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2008.172 KB)

Heritability of fruit characters, such as fruit weight, husk weight, husk thickness, sheal weight, endosperm (water) weight, albumen weight, copra weight, oil content, fruit length and ftuit width. have been estimated on seven coconut populations. The results showed that most of the fruit components of Malayan Red Dwarf (MRD) and Malayan Yellow Dwarf (Mm)had relatively high heritability (>0.80), except fruit weight of MRD (0.74) and albumen weight of MYD (0.78). On the other hand, the heritability of those characters in tall populatidns varied between population. All of fruit characters on Polynesian Tall (PYT) and Seruwai Tall (SAT) had relatively high heritability (>0.80). On West African Tall (WAT), most Of the heritability of the fruit characters were relatively high (>0.80). except husk weight (0.75). endosperm weight (0.79) and oil content (0.41). Heritability of seven characters of Bali Tall (BLT) were relatively high, but those of three characters were relatively low; i.e. husk weight (0.52). fruit width (0.56) and husk thickness (0.71). Three fruit characters of Rmnell Tall (RLT) shown higher heritability. those are husk thickness (0.87), endosperm weight (0.92) and fruit length (0.90).

Strategi Program Pemuliaan Tanaman Kelapa Sawit (Elaeis guinensis Jacq.) pada Lahan Suboptimal di PT Binasawit Makmur Muhammad Antony Jefri Pratama; Nurcahyono Indarto; Fahmi Wendra; Victor Manotar Pademan Manalu; Agry Widya Pradipta; Bayu Lesmana; Upit Sarimana; Pratiwi Erika; Zulhermana Sembiring; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 1 (2018): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Pratama et al, 2018. Oil Palm Breeding Program Strategy for Suboptimal Area in PT Binasawit MakmurÂ . JLSO 7(1):26-36.Â Suboptimal areas have great potential to be used an alternative land for cultivation of oil palm.We needed superior oil palm material to be able to grow well on that land. PT. Binasawit Makmur (BSM) through the Breeding Unit has developed a strategy regarding the assembly of superior material oil palm drought resistant. Therefore, this research aimed to developÂ a strategy regarding breeding program in suboptimal lands of PT Binasawit Makmur.Â The strategies used were Â introducing, evaluating, and selecting genetic material based on productivity components (total and weight of fresh fruit bunches/ha, extraction rate) and high increment.Â In addition, the efforts have been made to obtain drought tolerant material are conducting a progeny trial (DXP Trial) on mature palm to obtain drought tolerant in the dried season. Based on the results of the progeny trial, both of parents were traced to a crossing program. Currently, the seeds of the crossing have been obtained to confirm the results of the research on the nursery scale. In the nursery trial, research will be conducted to measure the proline content, stomata and chlorophyll content. Selection in the mature palm DXP progeny trial was followed by application a molecular tool such as SSR and SNP. Through this approach, a superior genetic material in terms of productivity and also drought tolerance can be developed and therefore can be used for recombination and release of new varieties.

Solubilisasi Fosfat Anorganik oleh Burkholderia spp. pada Rizosfer Kelapa Sawit (Elaeis guineensis Jacq.) di Tanah Mineral Masam Gregorius Baskara Aji Nugraha; Ruli Wandri; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 1 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Nugraha et al, 2019.Â Solubilization of Inorganic Phospate by Burkholderia spp. Associated with Oil Palm Rhizosphere in Mineral Acid Soil. JSLO 8(1):86-93.Phosphate Solubilizing Bacteria (PSB) play important role by enhancing phosphate availability bounded with Al3+ orÂ Fe3+ in acidic soils to oil palm plants through release the inorganic phosphate by enzyme or organic acids solubilization. The aims of this study were to isolate of PSB from oil palm rhizosphere and to conduct a comparative analysis of the solubility inorganic phosphates source by selected PSB. The ability of 15 selected PSB to grow and solubilize aluminum phosphate (AlPO4) and iron phosphate (FePO4) was examined and identified. The highest phospate solubilising efficiency showed K3.1 isolate with phosphate solubilization index 3.2 on NBRIP media. Quantitative analysis revealed that isolate K3.1 solubilized 53.52 mg/mL phosphate in 5 days after being inoculated in AlPO4 containing liquid medium, isolate A4 solubilized 63.45 mg/mL phosphate in 5 days after being inoculated in FePO4 containing liquid medium accompanied by a decrease in pH of the growth medium. Based on the 16s rRNA gene sequence analysis, isolate K3.1 and A.4 were closely related to Burkholderia arboris and Burkholderia gladioli. This potential isolates can be used in order to make oil palm crops more sustainable especially on marginal soil with low pH and less dependent on inorganic P fertilizers.Â

Studi Pendahuluan Keanekaragaman Genetik Kelapa Sawit Asal Kamerun di PT. Binasawit Makmur Upit Sarimana; Nurcahyono Indarto; Javier Herrero; Pratiwi Erika; Fahmi Wendra; Zulhermana Zulhermana; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Sarimana U, Indarto N, Herrero J, Erika P, Wendra F, Zulhermana Z, Asmono D. 2019.Â Genetic diversity preliminary study of cameroon origin oil palm at PT. Binasawit Makmur.Â Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):126-133.Â Â A plant breeding program needs genetic diversity information of germplasm, but the source of genetic diversity of oil palm plants in Indonesia is very narrow. In order to increase genetic diversity, the introduction of germplasm from Cameroon was conducted. The purpose of this study was to obtain a useful molecular marker in order to get genetic diversity information in Elaeis guinensis germplasm materials from Cameroon at PT. Binasawit Makmur (BSM). This preliminary research has been done in 2013. In this study, 300 samples of Cameroon oil palm DNA from 99 accessions and 10 samples DNA BSM material were analyzed by 9 microsatellite markers (simple sequence repeat; SSR). The 9 SSR markers used were very informative and we obtained 93 alleles with an average of 10.33 alleles per locus. The value of polymorphism information content (PIC) was around 0.746-0.889. The total genetic diversity was relative high (HT = 0.814). The coordinate analysis showed no groups in both 99 accessions and BSM material. Based on phylogenetic analysis, 9 SSR markers could show the genetic diversity between the populations. To validate this fact, it needs further research using more molecular markers and samples.

Effect of Plant Gowth Regulator on The Gowth of Zygotic Embryos in Three Types of Oil Palm Fruit (Elaeis guineensis Jacq.) in Tissue Culture Hadi Surahman; Gogoh Sulaksono; Zulhermana Sembiring; Astuti Kurnianingsih; Dwi Putro Priadi; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 9 No. 2 (2020): JLSO
Publisher : Research Center for Sub-optimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.9.2.2020.474

Surahman H, Sulaksono G, Sembiring Z, Kurnianingsih A, Priadi DP, Asmono D. 2020. Effect of plant gowth regulator on the gowth of zygotic embryos in three types of oil palm fruit (Elaeis guineensis Jacq.) in tissue culture. Jurnal Lahan Suboptimal : Journal of Suboptimal Lands 9(2): 149-159.Embryo culture is a widely used and effective way of overcoming the dormancy nature of seeds in oil palm.Â At the germination stage, the influence of gowth regulators play an important role although in relatively lower concentrations in the germination media. This aim research determined the effect of adding various concentrations of gowth regulator on the three types of oil palm fruit based on the thickness of the shell. This research carried out at the Tissue Culture Laboratory of PT. Sampoerna Ago Tbk. from September 2018 to January 2019. The gowth regulator substances used in this study were NAA, BAP and GA3. The composition of the gowth regulators used were H1 = 0.05 mg/L NAA + 0.1 mg/L BAP + 0.1 mg/L GA3, H2 = 0.05 mg/L NAA + 0.3 mg/L BAP + 0.1 mg/L GA3, H3 = 0.05 mg/L NAA + 0.5 mg/L BAP + 0.1 mg/L GA3 and H4 = No gowth regulator. While the types of oil palm fruit used were C1 = Dura, C2 = Tenera and C3 = Pisifera. This research used a factorial complete randomized design with three replications. The results showed that in general the use of gowth regulator substances H1 = 0.05 mg/L NAA + 0.1 mg/L BAP + 0.1 mg/L GA3 and the type of dura fruit showed positive results based on viability, scoring, survival and height of plantlets when compared with other treatments.

PENGARUH TINGKAT KEMATANGAN KOMPOS TANDAN KOSONG SAWIT DAN MULSA LIMBAH PADAT KELAPA SAWIT TERHADAP PRODUKSI TANAMAN TOMAT (Lycopersicon esculentum Mill.) PADA TANAH ULTISOL Mercy Bientri Yunindanova; Herdhata Agusta; Dwi Asmono
Sains Tanah - Jurnal Ilmu Tanah dan Agroklimatologi Vol 10, No 2 (2013)
Publisher : Faculty of Agriculture, Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15608/stjssa.v10i2.144

Title : The Effect of Maturity Level of Empty Fruit Bunch Compost and Mulch from Palm Oil Waste to Tomato Productivity in Ultisol. This research was conducted to understand the effect of maturity level of empty fruit bunch compost and mulch from palm oil waste to tomato productivity in ultisol soil. This research used split plot design with mulch as main plot and maturity level of compost as sub plot. The mulch consists of four types: control, shell, fiber, and chopped of empty fruit bunch. The maturity level of compost consists of 5 levels: control, 4 weeks, 6 weeks, 8 weeks, and 10 weeks. Material used in this research was tomato Ratna variety. Compost of 8 weeks gave the lowest value of C/N ratio (35.16) than 4, 6, and 10 weeks. This compost also had the highest level of N-total, P and Mg: 1.34 %, 0.08 %, and 0.25 %. Compost containing the lowest C/N ratio and higher nutrition gave better vegetative growt. Compost of 8 weeks and fiber mulch provided the highest harvest weight and the highest number of fruit (436.56 gram and 16 fruits). Fruit number and fruit weight were lower than general tomato cultivation because of soil condition. Soil type was ultisol which had lower acidity level. The lower KTK level of this soil made distruption in nutrients uptake. Compost of 8 weeks could increase harvest weight 52.59 % higher than control and also could raise number of fruit 82.53 % higher than control. Shell mulch presented negative effect to growth and productivity of tomato.

Strategi Program Pemuliaan Tanaman Kelapa Sawit (Elaeis guinensis Jacq.) pada Lahan Suboptimal di PT Binasawit Makmur Muhammad Antony Jefri Pratama; Nurcahyono Indarto; Fahmi Wendra; Victor Manotar Pademan Manalu; Agry Widya Pradipta; Bayu Lesmana; Upit Sarimana; Pratiwi Erika; Zulhermana Sembiring; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 7 No. 1 (2018): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.7.1.2018.338

Pratama et al, 2018. Oil Palm Breeding Program Strategy for Suboptimal Area in PT Binasawit MakmurÂ . JLSO 7(1):26-36.Â Suboptimal areas have great potential to be used an alternative land for cultivation of oil palm.We needed superior oil palm material to be able to grow well on that land. PT. Binasawit Makmur (BSM) through the Breeding Unit has developed a strategy regarding the assembly of superior material oil palm drought resistant. Therefore, this research aimed to developÂ a strategy regarding breeding program in suboptimal lands of PT Binasawit Makmur.Â The strategies used were Â introducing, evaluating, and selecting genetic material based on productivity components (total and weight of fresh fruit bunches/ha, extraction rate) and high increment.Â In addition, the efforts have been made to obtain drought tolerant material are conducting a progeny trial (DXP Trial) on mature palm to obtain drought tolerant in the dried season. Based on the results of the progeny trial, both of parents were traced to a crossing program. Currently, the seeds of the crossing have been obtained to confirm the results of the research on the nursery scale. In the nursery trial, research will be conducted to measure the proline content, stomata and chlorophyll content. Selection in the mature palm DXP progeny trial was followed by application a molecular tool such as SSR and SNP. Through this approach, a superior genetic material in terms of productivity and also drought tolerance can be developed and therefore can be used for recombination and release of new varieties.

Solubilisasi Fosfat Anorganik oleh Burkholderia spp. pada Rizosfer Kelapa Sawit (Elaeis guineensis Jacq.) di Tanah Mineral Masam Gregorius Baskara Aji Nugraha; Ruli Wandri; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 1 (2019): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.8.1.2019.404

Nugraha et al, 2019.Â Solubilization of Inorganic Phospate by Burkholderia spp. Associated with Oil Palm Rhizosphere in Mineral Acid Soil. JSLO 8(1):86-93.Phosphate Solubilizing Bacteria (PSB) play important role by enhancing phosphate availability bounded with Al3+ orÂ Fe3+ in acidic soils to oil palm plants through release the inorganic phosphate by enzyme or organic acids solubilization. The aims of this study were to isolate of PSB from oil palm rhizosphere and to conduct a comparative analysis of the solubility inorganic phosphates source by selected PSB. The ability of 15 selected PSB to grow and solubilize aluminum phosphate (AlPO4) and iron phosphate (FePO4) was examined and identified. The highest phospate solubilising efficiency showed K3.1 isolate with phosphate solubilization index 3.2 on NBRIP media. Quantitative analysis revealed that isolate K3.1 solubilized 53.52 mg/mL phosphate in 5 days after being inoculated in AlPO4 containing liquid medium, isolate A4 solubilized 63.45 mg/mL phosphate in 5 days after being inoculated in FePO4 containing liquid medium accompanied by a decrease in pH of the growth medium. Based on the 16s rRNA gene sequence analysis, isolate K3.1 and A.4 were closely related to Burkholderia arboris and Burkholderia gladioli. This potential isolates can be used in order to make oil palm crops more sustainable especially on marginal soil with low pH and less dependent on inorganic P fertilizers.Â

Studi Pendahuluan Keanekaragaman Genetik Kelapa Sawit Asal Kamerun di PT. Binasawit Makmur Upit Sarimana; Nurcahyono Indarto; Javier Herrero; Pratiwi Erika; Fahmi Wendra; Zulhermana Zulhermana; Dwi Asmono
Jurnal Lahan Suboptimal : Journal of Suboptimal Lands Vol. 8 No. 2 (2019): JLSO
Publisher : Research Center for Suboptimal Lands (PUR-PLSO), Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33230/JLSO.8.2.2019.424

Sarimana U, Indarto N, Herrero J, Erika P, Wendra F, Zulhermana Z, Asmono D. 2019.Â Genetic diversity preliminary study of cameroon origin oil palm at PT. Binasawit Makmur.Â Jurnal Lahan Suboptimal: Journal of Suboptimal Lands. 8(2):126-133.Â Â A plant breeding program needs genetic diversity information of germplasm, but the source of genetic diversity of oil palm plants in Indonesia is very narrow. In order to increase genetic diversity, the introduction of germplasm from Cameroon was conducted. The purpose of this study was to obtain a useful molecular marker in order to get genetic diversity information in Elaeis guinensis germplasm materials from Cameroon at PT. Binasawit Makmur (BSM). This preliminary research has been done in 2013. In this study, 300 samples of Cameroon oil palm DNA from 99 accessions and 10 samples DNA BSM material were analyzed by 9 microsatellite markers (simple sequence repeat; SSR). The 9 SSR markers used were very informative and we obtained 93 alleles with an average of 10.33 alleles per locus. The value of polymorphism information content (PIC) was around 0.746-0.889. The total genetic diversity was relative high (HT = 0.814). The coordinate analysis showed no groups in both 99 accessions and BSM material. Based on phylogenetic analysis, 9 SSR markers could show the genetic diversity between the populations. To validate this fact, it needs further research using more molecular markers and samples.

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