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Kristina, N. Nova
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Agriculture, Biological Sciences & Forestry

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MULTIPLIKASI TUNAS, PERAKARAN DAN AKLIMATISASI TANAMAN SAMBANG NYAWA (Gynura procumbens) Kristina, N. Nova; Sirait, Nursalam; Bermawie, Nurliani
Buletin Penelitian Tanaman Rempah dan Obat Vol 16, No 2 (2005): BULETIN PENELITIAN TANAMAN REMPAH DAN OBAT
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/bullittro.v16n2.2005.%p

Abstract

Shoots Multiplication, Rooting, and Acclimatization of Gynura procumbensThe research was performance to obtain shoots multiplication, rooting and acclimati-zation of Gynura procumbens was conducted    January  2004 to May 2005 at the Laboratory of Tissue Culture of Gremplasm and Breeding Division. This research was conducted within two steps, i.e. 1) : Shoots multiplication  in : MS + BA (0; 0,1; 0,3 and 0,5 ) mg/l; 2) rooting and acclimatization. Explants were culture on rooting medium MS + IAA (0,1; 0,3); MS + IBA  (0,1; 0,3) or NAA (0,1 and 0,3) mg/l. Acclimatization were performanced on the two kinds of media i.e. dung manure + soil (1 : 1) or husk + soil (1 : 1). Rooting and shoots multiplication were arranged in completely randomized design, with 10 replications and 2 explants for each bottle. Acclimatization was arranged in randomized-block design with 10 replications and 1 plantlet for each treatment. The results showed the best medium for multiplication shoot was MS-free hormone with 5,4 shoots, 2 months after cultured. The highest number of roots was obtained in NAA 0,1 mg/l with 9,3/plantet. MS + IBA 0,3 mg/l give the longest roots (9,58 cm) and IAA 0,1 mg/l the highest number of leaf (12/plantet). Interaction between the source medium and acclimatization medium was observed however, there was no significantly difference between IAA 0,1 mg/l and IBA 0,1 mg/l in number of shoots and long shoots (5,2 and 5,01 cm). 
STUDI PENDAHULUAN : INDUKSI KALUS EMBRIOGENIK DARI EKSPLAN DAUN Echinaceae purpurea Ibrahim, Meynarti Sari Dewi; Kristina, N. Nova; Bermawie, Nurliani
Buletin Penelitian Tanaman Rempah dan Obat Vol 15, No 2 (2004): BULETIN PENELITIAN TANAMAN REMPAH DAN OBAT
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/bullittro.v15n2.2004.%p

Abstract

Echinaceae is an introduced medicinal plant used to improve immune system of the body. Lately, interest on Echinaceae increased, however, good plant material for development is limited. One method to multiply plant material is the in vitro culture, so that research and development especially in vitro multiplication is required. The aim of the experiment is to procure a medium for the induction of embryonic callus and the technique of regeneration. The experiment is conducted at the Laboratory of Breeding and Genetic Resources, ISMECRI from January to December 2002, consisted of 2 steps, namely(1). Embryonic callus induction, (2). Callus regeneration. In the first step, explants were transferred into MS medium enrich with BA 0,1 mg/l + 2,4 D 0,5 mg/l and a combination medium of MS and LS medium supplemented with glutamine + BA (0,1 mg/l; 0,2 mg/l) + 2,4 D (0,5mg/l ; 1 mg/l). In the second step, regeneration was conducted on medium MS combined with LS + BA (0 mg/l + 0,2 mg/l + 0,4 mg/l), MS combined with LS + Kinetine (0,2 mg/l; 0,4 mg/l). The results showed that embryonic callus was obtained from culture of leaf explants on MS medium combined with LS. The best treatment for step regeneration was MS combined LS + BA 0,4 mg/l for shoot formation while MS combined LS + kinetine 0,4 mg/l induced root formation. 
Co-Authors Meynarti Sari Dewi Ibrahim Nurliani Bermawie Nursalam Sirait, Nursalam