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Ardian Ardian

Jurusan Budidaya Pertanian, Fakultas Pertanian, Universitas Lampung

Author-ID : 3237405

Agriculture, Biological Sciences & Forestry

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Aplikasi Paclobutrazol Melalui Daun Tanaman Ubi kayu (Manihot esculenta Crantz.) untuk Merangsang Pembungaan Dini di Dataran Rendah Erwin Yuliadi; Sunyoto Sunyoto; Kristina Artika; Ardian Ardian
Jurnal Penelitian Pertanian Terapan Vol 12 No 1 (2012)
Publisher : Politeknik Negeri Lampung.

The main obstacle in breeding cassava plant is a flowering plant age which is not the same between the genotypes and the long time needed for a breeder to get cassava flowering before it is crossed. The purpose of this study was to determine the application of various concentrations of Paclobutrazol through the leaves of cassava plants to induce early flowering in the lowlands. Plant materials in the form of cuttings were taken with the size of 25 cm in length. The clone used was called Thailand taken from the field 10-12 months after planting. This experiment was conducted with complete randomized block design. Each treatment was repeated three times and each experimental unit consists of at least two-plant samples. Paclobutrazol treatment consisted of a wide range of concentration. Those were: 0 (P0), 250 (P1), 500 (P2), 750 (P3), and 1000 (P4) ppm. Paclobutrazol was sprayed through the leaves and carried out on plants that have been 30 days after planting with a volume of 100 ml per crop. The application through the soil was also done once while through the leaf was done 3 times with 1 week interval, each application was given with a volume of 20 ml, 30 ml and 50 ml. The results showed that Paclobutrazol Application of 500 ppm through the leaf was s the best concentration in stimulating the formation of branches and flowers compared with other Paclobutrazol concentrations Keywords: Paclobutrazol, Cassava Plant, Early Flowering, Lowland

Peningkatan Produksi dan Kadar Gula Polong Muda Dua Genotipe Kacang Panjang (Vigna sesquipedalis [L.] Koern.) dengan Pemupukan Kalium Ardian Ardian
Jurnal Penelitian Pertanian Terapan Vol 10 No 2 (2010)
Publisher : Politeknik Negeri Lampung.

Quality factors intensively noticed by consumers are bean color, bean maturity, length of bean, bean shape, shape of bean surface, bean crispiness, and sweetness of bean.Since, potassium fertilization could increased the quantity and quality of yield some crops.The objectives of this research were to know the characters of production and young bean sweetness in different potassium environments. The treatments were arranged in factorial arrangement (2x4) with 3 replications. First factors were genotype of long bean which were stripped seed (G1) and black seed (G2). Second factors were KCl dosages which were 0 kg.ha-1(K0), 50 kg.ha-1(K1), 100 kg.ha-1(K2), 150 kg.ha-1(K3) dan 200 kg.ha-1(K4). The genotype of stripped seed had superior quality of production, while yield quantity didn tdifferent between genotype. Fertilization of potassium with dosage 50 kg of KCl /ha had increased the quality of yardlong bean crop production. Keywords: Sugar Content Pod , Peanut Genotypes, Potassium Fertilization

Pertumbuhan in vitro stek mikro singkong (Manihot esculenta Crantz.) Ardian Ardian
Jurnal Penelitian Pertanian Terapan Vol 10 No 3 (2010)
Publisher : Politeknik Negeri Lampung.

Propagation of cassava through in vitro culture is needed by farmers and agro industries to fulfill the need of the best and the newest clone as soon as after that clone is released by government. The objective of this research is to know the effect of the application of some concentration sucrose and activated charcoal on in vitro and ex vitro growth of micro-cutting of cassava. Explants used were one-node cuttings of cassava, which were derived from sterile shoot culture. The explants were cultured on MS basal medium supplemented with 0,2 mg.l-1 benzyl adenine. This research was arranged in completely randomized design with the treatments consisting of some concentrations of sucrose: 3%, 4% and 5% and concentration of activated charcoal: 0% and 0,1%. Each treatment was replicated 7 times with 4 explants in each experiment unit. The best growth micro-cutting of cassava in vitrowas achieved by treatment of 3% sucrose without activated charcoal. Keywords: Micro-cutting, Cassava

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