The effect of dilution level of liquid tapioca waste culture medium and concentration of phosphate on the growth of microalgae Navicula sp.

Amalah, Nur; Widyartini, Dwi Sunu; Christiani, Christiani; Hidayah, Hexa Apriliana

doi:10.13057/nusbiosci/n100110

Cited by 4 publications

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“…Suitable temperatures for microalgae life range from 25-35˚C. Amalah et al (2018) stated that the optimum temperature for life of Navicula sp. ranged from 28-30˚C, the optimum salinity reaches from 25-30 ppt.…”

Section: Resultsmentioning

confidence: 99%

“…Nitrogen is a major component of protein formation that is needed for cell multiplication (Widianingsih et el., 2013;Daefi et al, 2017). Phosphorus is a necessary element in the metabolism of microalgae cells (Amalah et al, 2018). Nutrients in the culture medium will decrease along with the increasing number of cells and the concentration of biomass (Göksan et al, 2007).…”

Section: Resultsmentioning

confidence: 99%

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The Lipid Content of The Culture Microalgae Using Media of Tapioca Liquid Waste

et al. 2018

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Microalga Navicula sp., Spirulina platensis, and Chlorella vulgaris have the prospect of being a source of biofuel producers. Rapid cell growth, coupled with the ability to produce large lipids and less pollution, can be used as an alternative to biofuel development. Microalgae cultivation can utilize tapioca liquid waste. Addition of NaCl to regulate salinity, so optimum for microalgae growth. In addition it can reduce toxins by binding to dissolved cyanide acid present in the waste. This study aims to determine the effect of NaCl concentration on tapioca liquid waste on growth and lipid microalgae content. This study used an experimental method with a complete random factorial design. The first factor tested three species of microalgae. The second factor tested seven NaCl concentrations on tapioca liquid waste media. The results showed that the concentration of NaCl 35% in tapioca liquid waste culture media capable of producing biomass of C. vulgaris cells with the highest lipid content. The NaCl concentration capable of producing the highest microalgae biomass from the study can be developed to design more effective and efficient tapioca industrial waste treatment without damaging the environment but more productive, as a biofuel producer.

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

The Lipid Content of The Culture Microalgae Using Media of Tapioca Liquid Waste

et al. 2018

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“…growth are 3.6 mg/L and 0.18 mg/L (Xiaobo et al, 2014). Amalah et al (2018) stated that the Navicula sp. density is closely affected by the N and P availabilities in the culture media.…”

Section: Discussionmentioning

confidence: 99%

The performance of gold-mouth turban Turbo chrysostomus larvae in different temperature and salinity media

Hamzah

Nirmala

Supriyono

et al. 2021

Jurnal Akuakultur Indonesia

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Suhu dan salinitas merupakan parameter kualitas air yang berperan penting terhadap proses fisiologis siput mata bulan (T. chrysostomus) sehingga berdampak terhadap perkembangan, pertumbuhan dan kelangsungan hidup larva. Tujuan dari penelitian ini yaitu untuk mengevaluasi pengaruh suhu dan salinitas terhadap perkembangan, pertumbuhan dan kelangsungan hidup larva siput mata bulan (T. chrysostomus). Stadia pre-torsion veliger dicapai sekitar 11 jam 36 menit setelah fertilisasi atau sekitar 3 jam setelah trocophor. Stadia post-torsion veliger awal ditandai dengan cangkang yang telah terbentuk sempurna dan pada post-torsion veliger akhir, larva sudah mengembangkan operkulum, kaki, dan propodium. Hasil pengamatan menunjukan bahwa perlakuan A1B3 memberikan waktu pencapaian stadia post-torsion veliger awal dan post-torsion veliger akhir tercepat yaitu masing-masing 19 jam 36 menit dan 22 jam 36 menit setelah pembuahan. Sedangkan perlakuan A1B1 memberikan waktu pencapaian stadia post-torsion veliger awal dan post-torsion veliger akhir terlama yaitu masing-masing 20 jam 30 menit dan 23 jam 25 menit setelah pembuahan. Suhu tidak berpengaruh nyata sedangkan salinitas berpengaruh nyata terhadap laju pertumbuhan harian larva siput mata bulan. Laju pertumbuhan harian tertinggi pada suhu 27±0.5oC (A1) tercatat pada perlakuan B3 dan menunjukan nilai yang tidak berbeda nyata dengan perlakuan B2. Suhu dan salinitas memberikan pengaruh yang signifikan namun interaksi keduanya tidak menunjukan pengaruh yang signifikan terhadap tingkat kelangsungan hidup larva siput mata bulan. Perlakuan A1B3 memberikan persentase tingkat kelangsungan hidup tertinggi dan tidak menunjukan nilai yang berbeda nyata dengan perlakuan A1B2. Parameter kualitas air yang diperoleh masih mendukung performa larva siput mata bulan hingga mencapai stadia juvenil.

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“…The Tempe waste is composed of C, N, and S with a C/N ratio of 11.20 (Chaerun, 2009). Liquid tapioca waste contains phosphate nutrient that can influence cell division and fat formation (Amalah & Widyartini, 2018). Cell division is a process by which the cell duplicates itself either for growth and repair or for reproduction of organism (Robinson, 2021).…”

Section: Propagation Of the Pathogenic Fungi In The Liquidmentioning

confidence: 99%

Preservation of weeds’ pathogenic fungi in tempeh and tapioca liquid waste and its effectiveness in goatweed (Ageratum conyzoides)

Soesanto

Mugiastuti

Sastyawan

et al. 2023

J Trop Plant Pests Dis

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This research aimed to determine the best liquid media for the propagation of weed pathogenic fungi, the duration of the fungus storage on the media, and their virulence on goatweed (Ageratum conyzoides). The research consisted of two stages, i.e., the propagation of weed pathogenic fungi in alternative liquid media using a factorial completely randomized design, with the first factor being the pathogenic weed fungus (Curvularia sp., Fusarium sp., and Chaetomium sp.) and the second one being the media (tempeh or tapioca liquid waste) with four replicates. Applications were carried out using a hand sprayer on the underside of weed leaves at a density of 106 conidia or cfu mL-1. Each weed was sprayed with 10 mL of the solution. Variables observed were conidia density, number of colonies, incubation period and symptoms, disease intensity, the area under the disease progress curve (AUDPC), plant height, number of leaves, dry crown weight, and dry root weight. The results showed that tempeh and tapioca liquid waste media could be used as alternative media for multiplying pathogenic fungi. The conidia density of Curvularia sp. was 2.375 × 109 conidia mL-1 higher than that of Fusarium sp. at 1.7 × 109 conidia mL-1 and Chaetomium sp. at 9.5×104 cfu mL-1. Curvularia sp. propagated in tempeh liquid waste was able to cause damage to the leaves of goatweed as shown successively from the incubation period of 3.33 dai or accelerating 81.50%, increasing the disease intensity of 88.78%, and the AUDPC of 713.25% days compared to control. The most effective shelf life of Curvularia sp., Fusarium sp., and Chaetomium sp. in both tempeh and tapioca liquid waste media was found at six weeks at room temperature. Curvularia sp. in tapioca liquid waste could decrease weed height, the number of leaves, shoot dry weight, and root dry weight by 45.11, 28.65, 22.12, and 46.25%, respectively, compared to control.

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The effect of dilution level of liquid tapioca waste culture medium and concentration of phosphate on the growth of microalgae Navicula sp.

Cited by 4 publications

References 0 publications

The Lipid Content of The Culture Microalgae Using Media of Tapioca Liquid Waste

The Lipid Content of The Culture Microalgae Using Media of Tapioca Liquid Waste

The performance of gold-mouth turban Turbo chrysostomus larvae in different temperature and salinity media

Preservation of weeds’ pathogenic fungi in tempeh and tapioca liquid waste and its effectiveness in goatweed (Ageratum conyzoides)

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