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Journal : Jurnal Ilmu Dasar

Flowering Development of Longan (Dimocarpus longan Lour) ‘Diamond river’ Pining Suwardining Tyas; Dwi Setyati; Umiyah Umiyah
Jurnal ILMU DASAR Vol 14 No 2 (2013)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1010.751 KB) | DOI: 10.19184/jid.v14i2.635

Abstract

‘Diamond river’ is introduction plant that cultivated in Indonesian. Development of longan flower divided into eight stadium  during 28 days. First and second stadium is the induction phase that lasts for 8 days, this phase is characterized by a change in color of the leaves become older by using the Munsell color charts for plant tissues indicate the scale of 7.5 GY (4/4) to GY 7.5 scale (3\2). Third stadium is the phase of flower initiation occurred by day eigth. Initiation stage appearance were showed by merristem axilar, which will form part of primordial flower. Fourth to seventh stadium are phase that a differentiation occurred on day 12 to day 24. Differentiation phase showed the development in suitable with the typical angiosperms are sepals, stamens, petals and pistils. Eighth stadium is the phase of anthesis occurred on day 28. In the phase of anthesis, flowers have undergone a process of pollination and fertilization. Keywords: Development, Diamond river, Flowering, stadium
Induction Somatic Embryogenesis Used 2,4-Dichlorophenoxyacetic Acid (2,4-D) and Kinetin in Spindle Leaf Explant Sugarcane Wardatus Sholeha; Bambang Sugiharto; Dwi Setyati; Parawita Dewanti
Jurnal ILMU DASAR Vol 16 No 1 (2015)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1384.105 KB) | DOI: 10.19184/jid.v16i1.1387

Abstract

Induction of somatic embryogenesis in sugarcane requires the composition Plant Growth Hormone (PGH) appropriate. Utilizing of PGH (2,4-D and kinetin) is expected to induce sugarcane somatic embryogenesis. The purpose of this study was to obtain the concentration of 2,4-D and kinetin that effective for the multiplication of sugarcane var. NXI 1-3 through somatic embryogenesis. This study consists of four stages: callus induction, callus proliferation, regeneration of shoots and encapsulation. The plant material used is a spindle leaf sugarcane var. NXI 1-3. Callus induction used 2,4-D with different concentration (2 ppm, 3 ppm and 4 ppm). Callus proliferation used 2,4-D with concentration 1 ppm and 2 ppm. Regeneration of shoots used kinetin 0,5 ppm. The results are showed that the optimal induction of embryogenic callus on medium MS + sucrose 30 g / L + CH 300 ppm + 300 ppm PVP + 2,4-D 4 ppm as indicated by the high percentage of explants forming embryogenic callus that is equal to 40% and the respective concentration 2 ppm and 3 ppm is 33,3% and 37,5%. In proliferation stage, the development callus optimal on medium MS + sucrose 30 g / L + CH 300pm + PVP 300 ppm + 2,4-D 2 ppm and formulations for regeneration shoot on medium MS + sucrose 30 g / L + kinetin 0.5 ppm. The result of encapsulation can be shaped 100 sythetic seed. Keywords: Somatic embryogenesis, spindle leaf, kinetin, 2,4-D
The Inventory of Bamboo in Antirogo Sub-district Sumbersari District Jember Regency Ali Murtodo; Dwi Setyati
Jurnal ILMU DASAR Vol 15 No 2 (2014)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (660.919 KB) | DOI: 10.19184/jid.v15i2.1406

Abstract

Antirogo is a sub-district of Jember district, it's surrounding citizen utilize bamboo for daily needs such as building materials, agricultural equipment, bridges, vegetables and crafts. The continuous utilization is not accompanied by efforts of cultivating so that will have impacts on a population decline and preservation of them. Then it needs to do an inventory of bamboo in Antirogo. This research was conducted on March to September in 4 villages (Krajan, Trogowetan, Pelinggian, and Jambuan) used the exploration method. The results showed that 11 species of bamboo which consists of 4 genus (Bambusa, Dendrocalamus, Gigantochloa, and Schizostachyum) i.e. Bambusa blumeana Bl. ex Schult., Bambusa maculata Widjaja, Bambusa vulgaris Schard. ex J.C., Bambusa vulgaris var. striata (Lodd. ex Lindl.), Dendrocalamus asper Backer, Gigantochloa apus Kurz, Gigantochloa atter (Hassk.) Kurz ex Munro, Gigantochloa sp., Gigantochloa pseudoarundinacea (Steud.) Widjaja, Schizostachyum silicatum Widjaja, dan Schizostachyum zollingeri Steud. Keywords: Antirogo, Bamboo, Inventory, Poaceae.
Ephypitic Ferns (Pteridophyta) from Raung Mount Banyuwangi, East Java Indonesia Fuad Bahrul Ulum; Dwi Setyati
Jurnal ILMU DASAR Vol 16 No 1 (2015)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1400.413 KB) | DOI: 10.19184/jid.v16i1.1486

Abstract

An investigation of epiphytic Pteridophytes diversity at Mount Raung, Banyuwangi, East Java Province, Indonesia, was carried out in 7 February 2015. As many as 11 Pteridophytes from 3 families had been identified based on their morphological chracteristic. Among them, four species of Family Aspleniaceae, including Asplenium confusum Tardieu & Ching, Asplenium nidus L., Asplenium salignum Blume, and Asplenium tenerumoides S.B.Andrews. Polypodiaceae include Leptochilus wrightii (Hooker & Baker) X. C. Zhang, Microsorum punctatum (L.) Copel., Pyrrosia bicolor ( Kaulf. ) Ching, and Schellolepis percussa (Cav.) Pic.Serm. Vittariaceae include Antrophyum formosanum Hieron., Vittaria ensiformis Sw., and Vittaria lineata (L.) Sm. which is the smallest specimen with less than 10 cm long.Keywords: Mount Raung, Pteridophyta, Epiphytic, Families. 
Kluwek Seed (Pangium edule Reinw) Germination Response to Soaking Time and Concentration of Gibberellin Acid (GA3) Ratnasari, Tri; Ana, Daniar Alfi; Sulistiyowati, Hari; Setyati, Dwi
Jurnal ILMU DASAR Vol 22 No 2 (2021)
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.19184/jid.v22i2.9437

Abstract

Kluwek seeds (Pangium edule Reinw.) have a low germination percentage caused by dormancy due to hard seed coat. Kluwek seed germination takes about 1 month. The purpose of this study was to obtain a combination of treatments that were effective in increasing the percentage of kluwek seed germination and reducing the intensity of kluwek seed dormancy. This study used a Completely Randomized Design (CRD) factorial design. The first factor was immersion time (H) consisting of five levels, namely H0: Control (0 hour), H1: 6 hours, H2: 12 hours, H3: 18 hours, and H4: 24 hours and the second factor was giberellin concentration (G) with five levels namely G0: 0 ppm, G1: 25 ppm, G2: 50 ppm, G3: 75 ppm and G4: 100 ppm. Data analysis used Analysis of Variance (Anava) and further tested with Duncans' Multiple Range test (DMRT) at a significant level of 5%. The results obtained showed that the percentage of seed germination without immersion is 6.67%. Soaking using aquades produces an average germination percentage of 28.33%. The most effective treatment was GA3 75 ppm for 24 hours with seed germination of 60%, while the value of dormant intensity is 40%.Keywords: dormancy, germination, gibberellin, kluwek.