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All Journal BERITA BIOLOGI Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal BioEksakta : Jurnal Ilmiah Biologi Unsoed
triani hardiyati
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Veterinary

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Respon Penambahan Asam Humat terhadap beberapa Kandungan Senyawa Aktif Pegagan (Centella asiatica) triani hardiyati; Elly Proklamasiningsih; Iman Budisantoso
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 2 No 3 (2020): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2020.2.3.3536

Abstract

The aim of this research is to know the respon of humic acid and some growth media on the contain of active biological substance in Centella asiatica (L.) Urb. Hopefully, through the application of humic acid in the combination of media, the growth and plant metabolism will improve to produce active biological substance as primar metabolism. The growth media used were : soil & sand (1 : 1) ; soil & husk (1 : 1 ) ; and soil & zeolite (1 : 2). The humic acid treatment were 4 concentration, 0 g/kg media, 4 g/kg media, 8 g/kg media and 12 g/kg media. The research method was Completely Randomized Design, with factorial as treatment design. The variable observed were alkaloid content, flavonoid content, the presence of terpenoid, and biomass weight. The research result showed that the high weight of biomass and alkaloid contain got in the addition of 8 g humic acid in media soil and sand. The high flavonoid contain got in addition of 4 g/kg media in media soil and zeolite. There was brawn ring in the extract analysis dissolved in chloroform, acetic acid, and strong sulfate acid.
Pengaruh Pemberian Sitokinin Terhadap Pertumbuhan Palea dan Lemma Padi Melaui Kultur In Vitro Kamsinah Kamsinah; Triani Hardiyati; Sugiyono Sugiyono
Majalah Ilmiah Biologi BIOSFERA: A Scientific Journal Vol 26, No 2 (2009)
Publisher : Fakultas Biologi | Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.mib.2009.26.2.117

Abstract

A research has been carried out with the aims to: 1. study the influence of both the kind and concentration of cytokinins on palea and lemma growth in in vitro culture; 2. study the influence of palea and lemma age towards external application of cytokinin in in vitro culture; and3. determine the best palea-lemma age, kind and concentration of cytokinin which resulted the best growth of palea and lemma in in vitro culture. The used experimental method was Completely Randomised Design (CRD) with factorial treatment pattern. The applied treatment consisted of three factors i.e. palea-lemma age (U): (55, 60, and 65 days after planting); kind of cytokinin (S): (BAP and Kinetin); and Cytokinin Concentration (K): (0, 5, 10, and 15 M) with 3 replications. The observed variables were the palea and lemma growth with the parameters were palea-lemma length and width. The results showed that the kind of cytokinin had influenced the growth of palea-lemma in in vitro culture, and kinetin has better influence on the palea-lemma growth. The age of the palea-lemma determined the responsiveness of the palea-lemma towards external application of cytokinin. Older palea-lemma showed less responsive than younger ones towards external application of plant growth regulators. Moreover, the treatment combination (U1S2K2) (10 µM Kinetin applied to 55-day-old rice palea-lemma) had the best effect on increasing the size of palea-lemma of IR 64 rice.
Shoot Tip Culture: A Potential In Vitro Culture Multiplication of Screw Pines (Pandanus tectorius Park.) Ikhsan - Matondang; Sisunandar .; Alice Yuniaty; Triani Hardiyati; Agus Hery Susanto; Endang Srimurni Kusmintarsih
BERITA BIOLOGI Vol 21, No 2 (2022): Berita Biologi
Publisher : Research Center for Biology-Indonesian Institute of Sciences

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14203/beritabiologi.v21i2.4208

Abstract

Pandanus tectorius Park., tree of life, which almost all of its parts are used by humans. Industrial fiber made from screw pine leaves has been successfully exported to several countries, while the fruit is consumed as an alternative staple food. Fruit is only produced by female plants, because screw pine is dioecious plant. Farmers obtain screw pine seedling using stem cuttings from female trees, but the number of seedling produced is limited and this technique can damage the plant. Alternative seedling production using seeds has constraints in the form of uncertainty over the sex of the seedling. One of the best ways to provide screw pine seedling is to use a shoot-tip culture technique. Shoot-tip culture is able to reproduce plants efficiently and quickly and does not damage the plant. Seedling will also have the same genetic traits as the selected plant. However, efforts to develop an efficient and fast screw pine shoot-tip culture protocol have not been carried out massively. The induction and shoot multiplication stages still had a low success rate. Another problem in seedling production through tissue culture is the certainty seedlings are true-to-type. This review article aims to reveal the potential of shoot-tip culture for in vitro screw pine seedling production and to test the genetic stability of the screw pine seedling.  
Co-Authors AGUS HERY SUSANTO Alice Yuniaty Elly Proklamasiningsih ENDANG SRIMURNI KUSMINTARSIH Ikhsan - Matondang Iman Budisantoso Kamsinah Kamsinah Nurwijayanti Sisunandar .