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All Journal Jurnal Ilmu Pertanian Techno: Jurnal Penelitian Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) jurnal Ilmu Pertanian (Agricultural Science)
Budi Kriswanto
Universitas Jember
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture

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KAJIAN THIDIAZURON (TDZ) DALAM INDUKSI PLB ANGGREK Phalaenopsis sp SECARA IN VITRO Didik Pudji Restanto; Budi Kriswanto; Mohammad Nur Khozim; Sigit Soeparjono
AGRITROP Vol 16, No 1 (2018): Agritrop : Jurnal Ilmu-Ilmu Pertanian
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32528/agr.v16i1.1561

Abstract

Anggrek Phalaenopsis sp merupakan jenis anggrek endemik di hutan tropis Kalimantan yang mempunyai nilai eksotik yang tinggi. Indonesia adalah negara tropis yang mempunyai plasma nutfah anggrek sekitar 6000.  Pengembangan anggrek ini di Indonesia masih secara tradisional sehingga belum mampu bersaing dengan negara lain Taiwan, Malaysia, Singgapur dan china.  Perkembangan anggrek akan lebih pesat dengan kemajuan teknologi yaitu sistem bioreaktor sehingga mampu menghasilkan dalam sekala industri.  Tujuan dari pada penelitan ini adalah ingin mengetahui peran TDZ dalam perkembangan induksi PLB. Pemberian TDZ 1 ppm meningkatkan berat basah PLB dan jumlah PLB sebesar masing-masing 34 g dan 40.  Pada perlakuan kontrol (tanpa TDZ) akan membentuk sistem perakaran yaitu jumlah akar (5,5) dan panjang akar ( 16 cm).Sebaliknya, dengan pemberian TDZ justru tidak memunculkan system perakaran melainkan terjadi perkembangan PLB yang terjadi.
Growth and phytochemical properties in differences weight of porang bulbil (Amorphophallus muelleri B.) var. Madiun 1 Widya Kristiyanti Putri; Didik Pudji Restanto; Riza Yuli Rusdiana; Budi Kriswanto
Jurnal Ilmu Pertanian Vol 7, No 3 (2022): December
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.71362

Abstract

The increase of Indonesian’s porang export has led into a new opportunity for better prosperity of local farmers. Thus, the demand for porang’s bulbil/ katak has risen due to its function for vegetative propagation. This study aimed to observe the growing and phytochemicals properties of porang tubers from bulbil with 10 bulbil weight categories samples, which were 0.5 g, 1 g, 1.5 g, 2 g, 2.5 g, 3 g, 3.5 g, 4 g, 4.5 g, and 5 g. The parameters observed were statistically analyzed in PAST 4.03. This study was conducted for three months and the results showed that samples from bulbil weighing 5 g had significant higher value than the others for the plant height, crown diameter, and stem diameter, but bulbil samples with other weights did not show any significant difference in porang tuber growth. Phytochemical’s analysis for dissolved protein resulting in 0.5 g weight sample was the best of all but random results for carbohydrate, antioxidants, polyphenol, and saponin.
Growth and phytochemical properties in differences weight of porang bulbil (Amorphophallus muelleri B.) var. Madiun 1 Widya Kristiyanti Putri; Didik Pudji Restanto; Riza Yuli Rusdiana; Budi Kriswanto
Jurnal Ilmu Pertanian Vol 7, No 3 (2022): December (In Press)
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.71362

Abstract

The increase of Indonesian’s porang export has led into a new opportunity for better prosperity of local farmers. Thus, the demand for porang’s bulbil/ katak has risen due to its function for vegetative propagation. This study aimed to observe the growing and phytochemicals properties of porang tubers from bulbil with 10 bulbil weight categories samples, which were 0.5 g, 1 g, 1.5 g, 2 g, 2.5 g, 3 g, 3.5 g, 4 g, 4.5 g, and 5 g. The parameters observed were statistically analyzed in PAST 4.03. This study was conducted for three months and the results showed that samples from bulbil weighing 5 g had significant higher value than the others for the plant height, crown diameter, and stem diameter, but bulbil samples with other weights did not show any significant difference in porang tuber growth. Phytochemical’s analysis for dissolved protein resulting in 0.5 g weight sample was the best of all but random results for carbohydrate, antioxidants, polyphenol, and saponin.
Anatomical and Agronomic Responses of Arabica Coffee Seedlings (Coffea arabica) to Addition of Nitrogen Distiana Wulanjari; Ketut Anom Wijaya; Budi Kriswanto
TECHNO: JURNAL PENELITIAN Vol 12, No 2 (2023): TECHNO JURNAL PENELITIAN
Publisher : Universitas Khairun

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33387/tjp.v12i2.4242

Abstract

The role of nitrogen in plant growth is well known, but there have been few studies on the response of nitrogen fertilizers to changes in plant anatomy and agronomy. This study aims to observe the response of the tissue and organs of arabica coffee seedlings to adding nitrogen. Nitrogen is used in the urea fertilizer form. This research used a single factor of CRD with five replications. 4 levels were tried without urea fertilizer as a control (N1), dosage of urea fertilizer 15 g urea.plant-1 is equivalent to 6,9 g of nitrogen (N2), dosage of urea fertilizer 30 urea.plant-1 is equivalent to 13,8 g of nitrogen (N3), and dosage of urea fertilizer urea.plant-1 is equivalent to 20,7 g of nitrogen (N4). After application, the plants are incubated for 30 days to allow time for the fertilizer to be absorbed by the plants. The analysis result stated that the chlorophyll content was very significantly different, while other agronomic variables were not significantly different. Less adaptation period was thought to be the cause of the various agronomic variables being not significantly different. This is reinforced by the response that arises in plant tissue. The addition of urea fertilizer responded to the thickness of the mesophyll tissue, the size of the epidermal cells, and the regularity of the lower epidermal cells. The result of this research concluded that the response of plants to the treatment had not yet reached the organ level but was still at the tissue level.
Co-Authors Distiana Wulanjari Ketut Anom Wijaya Mohammad Nur Khozim Restanto, Didik Pudji Rusdiana, Riza Yuli Sigit Soeparjono Widya Kristiyanti Putri