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All Journal Jurnal Ilmu Pertanian Indonesia Agroland : Jurnal Ilmu-Ilmu Pertanian AGROTEKBIS Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Agrotech Journal of Tropical Crop Science AGROTEKBIS: Jurnal Ilmu Pertanian Agroland: Jurnal Ilmu-ilmu Pertanian Mitra Sains
Indrianto Kadeko
Program Studi Agroteknologi Fakultas Pertanian Universitas Tadulako, Palu
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Education Materials Science & Nanotechnology Physics

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PERTUMBUHAN DAN HASIL DUA JENIS TANAMAN UBI BANGGAI (Dioscorea spp) PADA JARAK TANAM YANG BERBEDA Indrianto Kadekoh,Nirwan Sahiri, Muh Sultan
AGROTEKBIS Vol 4, No 1 (2016)
Publisher : AGROTEKBIS

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Abstract

This study aimed to determine the growth and yield of two cultivars of Banggai (Dioscoreaspp) Yams at different planting space. This study used a Two Factorial Randomized Completely Block Design (RCB).  The first factor was planting space (J) i.e. 100cm x50cm (J1), 100 cm x75cm (J2) and 100cmx100cm (J3). The second factor was the type of Banggai Yam (V1) consisted of Bakutuu (V1) and Baku Boan Memela (V2). The treatments were replicated three times resulting in18experimental units. The growth and yield of both yams were not significantly different under different planting spaces, but shoot number, tuber number and productivity of  Bakutuu were higher than its counterpart.
KARAKTERISTIK PADI GOGO LOKAL YANG DIBERI BAHAN ORGANIK PADA BERBAGAI KETERSEDIAAN AIR Hasrawati, Andi; Kadekoh, Indrianto; Ete, Andi
AGROTEKBIS Vol 5, No 2 (2017)
Publisher : AGROTEKBIS

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Penelitian ini bertujuan untuk mengidentifikasi karakteristik kualitatif dan kuantitatif padi gogo lokal yang diberi bahan organik pada berbagai ketersediaan air. Penelitian ini dilaksanakan    di Screenhouse Balai Benih Hortikultura Kelurahan Petobo, dilaksanakan pada Februari sampai dengan Juni 2015. Penelitian ini disusun menggunakan Rancangan Acak Kelompok (RAK) pola faktorial, faktor pertama adalah kondisi ketersediaan air yang terdiri atas 4 taraf : ketersediaan air kapasitas lapang 100%, 85%, 70% dan 55%. Faktor kedua berupa pemberian bahan organik terdiri atas 2 taraf: Tanpa Bahan Organik dan pemberian bahan organik/bokashi 20 ton ha-1. Setiap perlakuan diulang 3 kali dimana setiap unit percobaan terdiri dari 2 pertanaman, jadi keseluruhan tanaman berjumlah 48 tanaman. Hasil penelitian menunjukkan bahwa cekaman kekeringan berpengaruh pada keragaman kualitatif warna pelepah daun (hijau pucat; hijau dan hijau tua), helai daun (hijau pucat dan hijau) dan warna batang (kuning keemasan; hijau kekuningan dan hijau) dan keragaman kuantitatif tinggi tanaman, panjang malai, umur keluar malai, umur panen dan bobot gabah berisi. Perlakuan pemberian bokashi dapat meningkatkan jumlah anakan produktif dan persentase gabah berisi. Terdapat interaksi antara perlakuan berbagai ketersediaan air dan pemberian bahan organik pada total luas daun dan bobot gabah berisi. Kata Kunci : Bahan organik, karakterisasi, ketersediaan air, Padi Gogo Lokal.
PERTUMBUHAN ENTRES BERBAGAI KLON KAKAO (Theobroma cacao L.) PADA UMUR BATANG BAWAH BERBEDA Akbar, Alfian; Kadekoh, Indrianto; Adelina, Enny
AGROTEKBIS Vol 5, No 6 (2017)
Publisher : AGROTEKBIS

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Cacao is the most plantion crop that be developed and cultivated by farmer at Central Sulawesi Province. The objective of this research was to find out the age of rootstock for the growth of entries in clone of cacao Sulawesi 1, Sulawesi 2, and clone 45. The research began on February until April 2016 at Labuan Toposo Village, Labuan district, Donggala regency, Central Sulawesi. The research used two factors random design. The first factors is the using of different clone consist of Sulawesi 1, Sulawesi 2, and clone 45. The second is the using of local rootstock consist of age 1 month, 2  months, 3 months and 4 months. The data analysis was ANOVA analysis if treatment shown significance then continue to use  BNJ test at 5%. The research result showed no difference the age of rootstock toward thr growth of entries in each clone. But the 4 months rootstock growth better. There was no difference of clone toward the growth of entries to each rootstock. but clone 45 growth better. Keywords: Cocoa, clone, entries growth, grafting, rootstock age.
KONSENTRASI FOSFOR PADA BERBAGAI UMUR FISIOLOGI DAUN KAKAO (Theobroma cacao L.) KEBUN RAKYAT Priyanto, Iklan; Tjoa, Aiyen; Kadekoh, Indrianto
AGROTEKBIS Vol 6, No 5 (2018)
Publisher : AGROTEKBIS

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This study aimed to determine P concentration at various leaf physiological age and the availability of soil P on smallholder cocoa plantations. Cacao leaf samples were taken by purposive sampling at two villages namely Bobo and Maku. The soil samples were taken at 0-30 cm layer from the cacao crown area of similar trees where the leaves were taken. The data obtained was analyzed using regression test and T test. This study indicated that the soil P concentration in the Bobo and Maku villagesis positively correlated to the P concentration at various leaf physiological age. P concentration of young leaves, adult leaves and senesens leaves in Bobo Village and Maku Village had significantly different values,where the P concentration of young leaves is higher than the adult and senesensleaves. The average P concentration of the cocoa leaf and P available in Bobo and Maku Village had significant differences where the highest leaf P concentration was found in Bobo Village while the highest available P concentration in soil was found in Maku village.
SIFAT FISIK KIMIA DAN ORGANOLEPTIK JELLY PADA BERBAGAI RASIO GULA PASIR-DAGING BUAH NAGA (Hylocereus polyrhizus Britt and Rose) wulandari, Sri; kadekoh, Indrianto; alam, Nur
AGROTEKBIS Vol 6, No 6 (2018)
Publisher : AGROTEKBIS

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This study aims to determine the effect of the ratio of juice fruit dragon - sugar on the physical properties of chemical and organoleptic jelly and to get the ratio of juice dragon - sugar were giving out the best impact on the physical, chemical and organoleptic jelly and to determine levels of Anthocyanins and vitamin C dragon fruit before and after process into jelly. The research was conducted from March to May 2017 in the Laboratory of Agro-Industry Faculty of Agriculture, Tadulako University. This study used a completely randomized design (CRD) 1 factor. Factor is the ratio of sugar - juice dragon comprising 7 levels a ratio of 110 g of dragon fruit : 50 g sugar, 100 g of fruit juice dragon : 60 g sugar, 90 g dragon fruit : 70 g sugar, 80 g dragon fruit juice : 80 g sugar, 70 g ratio dragon fruit juice : 90 g sugar, 60 g ratio dragon fruit juice : 100 g sugar, 50 g and the ratio of dragon fruit juice : 110 g sugar. The research results on softness, the degree of clarity, total soluble solid, the lowest score of aroma, color, hardness and taste, but had higherst levels of anthocyanins and vitamin C. Flavor jelly was highest in the treatment of dragon fruit juice 80 g : 80 g sugar. Treatment of 80 g of dragon fruit juice : 80 g sugar gave a better effect on the characteristics of the dragon fruit juice jelly. Levels of anthocyanins and vitamin C of fresh dragon fruit decreased after made into jelly. Anthocyanins levels were reduced by 69.33 to 82.44% and Vitamin C from 59.89 to 86.58%.
Peningkatan Kadar Zn Beras Pecah-Kulit pada Sistem Penggenangan Berselang Melalui Aplikasi Pupuk Kandang Diperkaya Zn Heptahidrat Salawati Salawati; Sjarifuddin Ende; Mohammad Basir; Indrianto Kadekoh; Abdul Rahim Thaha
Jurnal Ilmu Pertanian Indonesia Vol. 26 No. 4 (2021): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.26.4.630

Abstract

Zn levels in rice are essential for maintaining consumer health. However, Zn deficient plants can reduce levels of Zn in grains and the ability of plants to express their genetic potentials. This study examines the use of cow manure enriched with Zn heptahydrate on increasing Zn levels of broken skin rice. The experiment was arranged in a randomized single factor group design with seven levels of manure dose treatment, namely: 0; 2.5; 5, 7.5, 10, 12.5, 15 tons ha-1, with 3 replications. Spacing was 30 cm x 30 cm with a size of 3 m x 4 m. The parameters observed were plant growth, the weight of 1,000-grain, percentage of empty grain, production, Zn and protein contents of the brown rice. The collected data were analyzed using analysis of variance with a confidence interval of 5%, followed by the Duncan test of 5%. The results showed that the application of cow manure with a dose of 10 tons ha-1 enriched by 5 kg ha-1 Zn heptahydrate could increase the number of productive tillers, weight of 1,000-grains, production, Zn and protein contents of the brown rice as well as suppress the grainy rice grain of Mekongga variety of lowland rice on the intermittent flooding. Keywords: brownrice, cow manure, irrigation system, Zn heptahydrate
EKSPLORASI MIKROBA EPIFIT, ENDOFIT DAN RIZOSFER DARI BERBAGAI SUMBER PADI GOGO DI KECAMATAN KULAWI KABUPATEN SIGI Jumardin Jumardin; Fathurrahman Fathurrahman; Indrianto Kadekoh; Andi Ete
Jurnal Agrotech Vol 8 No 2 (2018)
Publisher : FAKULTAS PERTANIAN UNIVERSITAS ALKHAIRAAT

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (152.573 KB) | DOI: 10.31970/agrotech.v8i2.22

Abstract

Exploration carried out in the filosphere area (leaves) and rhizosphere area (roots) in upland rice plants to get the type of microbes that have potential that can be utilized as biological fertilizer sources, such as N2 fastening microbes, plant growth microbes or phosphate solvent microbial as well as those acting as natural enemies. The research was conducted by location survey method. Determination of location is done by purposive sampling, which is the location of upland rice cultivated by farmers in Kulawi District. The results showed that 10 isolates were isolated from epiphytic and endophytic microbes and endophytes. Morphological tests showed differences in color, shape, elevation, edge, texture and size and the coloring test showed that the bacteria had Coccus cell forms, Bacill, Diplococcus and Semi-Bacillus.
POTENSI BIOCHAR SEKAM PADI TERHADAP PERUBAHAN PH, KTK, C ORGANIK DAN P TERSEDIA PADA TANAH SAWAH INCEPTISOL Salawati Salawati; Muhammad Basir-cyio; Indrianto Kadekoh; Abd. Rahim Thaha
Agroland: Jurnal Ilmu-ilmu Pertanian Vol 23, No 2 (2016)
Publisher : Universitas Tadulako

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Abstract

One main constraint for growing wetland rice in Inceptisol is low soil fertility.  Soil acidity (pH), CEC, C-organic are several indicators used to determine the level of soil fertility. To overcome these kinds of problems, such organic materials as rice husk biochar can be added to the soil in order to modify the soil chemical properties.  This research compared treatments of   different biochar rates with various fineness degrees on soil pH, CEC, C-organic, and  available P.  The research results showed that after incubation for 21 days at room temperature, the best interactionshown by the biochar at the rate of 15 ton ha-1 with 60 mesh particle size can reduce the soil pH by 5.19% from 7.7 to 7.3, increase the soil CECby 32.92% from 16.37 to 22.25 cmol (+) kg-1, improve the soil C-organic by 33.94% from 1.09% to 1.46%, and enhance the soil available phosphor by 277.08% from 12.61 ppm to 47.55 ppm.Keywords: Incubation, Rice HuskBiochar,  and  Soil Chemical Properties.
Aktivitas Nitrat Reduktase (ANR) Tanaman Jagung pada Pola Tumpangsari yang Diberi Serasah Jagung-Kedelai serta Biochar di Lahan Suboptimal Sidondo Sulawesi Tengah Sjarfuddin Ende; Salawati Salawati; Indrianto Kadekoh; Fathurrahman Fathurrahman; Saiful Darman; Lukman Lukman
Jurnal Ilmu Pertanian Indonesia Vol. 27 No. 4 (2022): Jurnal Ilmu Pertanian Indonesia
Publisher : Institut Pertanian Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18343/jipi.27.4.544

Abstract

The aim of the study was to examine the relationship between nitrate reductase activity and N uptake, tissue N content, N uptake, and chlorophyll content of corn plants in intercropping patterns which are given corn-soybean litter and biochar. The use of plant litter and biochar derived from crop residues as a source of organic matter in different intercropping patterns affected nitrate reductase activity, tissue N content, N uptake, and chlorophyll content of maize. This experiment was carried out on sub-optimal Sidondo land, Central Sulawesi with the main limiting factors being the availability of water and alkaline soil pH (7.21) which were arranged in a divided plot design with five litter treatments as subplots and five cropping patterns as the main plot with three replicates. Parameters observed were N levels, plant tissue N uptake, chlorophyll, and nitrate reductase activity. Collected data were analyzed using Anova and Duncan's multiple random tests. The results showed that corn litter, soybean mixed corn + soybean litter and their biochar in different intercropping patterns affected nitrate reductase activity, nitrogen uptake, chlorophyll levels very significantly (P˂0.01), increased nitrate reductase activity by 9710.86 mol NO2- -1g-1hour-1 at the age of 55 DAP, while N uptake (2237 mg.kg-1), tissue N content (4.33%), and total chlorophyll content (10.61 mg.l-1) were the highest in the litter treatment, corn and soybeans as well as biochar in corn and soybean intercropping (1:2), and (2:4). Thus, the provision of corn and soybean litter and biochar in intercropping systems can increase nitrate reductase activity, N uptake, tissue N levels, and corn chlorophyll levels in the corn-soybean intercropping system. Keywords: chlorophyll, N content of corn plant tissue, nitrate reductase activity, N uptake
Karakteristik Padi Gogo Lokal Yang Diberi Bahan Organik Pada Berbagai Ketersediaan Air Andi Hasrawati; Indrianto Kadekoh; Andi Ete
AGROTEKBIS : JURNAL ILMU PERTANIAN (e-journal) Vol 5 No 2 (2017): April
Publisher : Fakultas Pertanian, Universitas Tadulako

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Abstract

Penelitian ini bertujuan untuk mengidentifikasi karakteristik kualitatif dan kuantitatif padi gogo lokal yang diberi bahan organik pada berbagai ketersediaan air. Penelitian ini dilaksanakan di Screenhouse Balai Benih Hortikultura Kelurahan Petobo, dilaksanakan pada Februari sampai dengan Juni 2015. Penelitian ini disusun menggunakan Rancangan Acak Kelompok (RAK) pola faktorial, faktor pertama adalah kondisi ketersediaan air yang terdiri atas 4 taraf : ketersediaan air kapasitas lapang 100%, 85%, 70% dan 55%. Faktor kedua berupa pemberian bahan organik terdiri atas 2 taraf: Tanpa Bahan Organik dan pemberian bahan organik/bokashi 20 ton ha-1. Setiap perlakuan diulang 3 kali dimana setiap unit percobaan terdiri dari 2 pertanaman, jadi keseluruhan tanaman berjumlah 48 tanaman. Hasil penelitian menunjukkan bahwa cekaman kekeringan berpengaruh pada keragaman kualitatif warna pelepah daun (hijau pucat; hijau dan hijau tua), helai daun (hijau pucat dan hijau) dan warna batang (kuning keemasan; hijau kekuningan dan hijau) dan keragaman kuantitatif tinggi tanaman, panjang malai, umur keluar malai, umur panen dan bobot gabah berisi. Perlakuan pemberian bokashi dapat meningkatkan jumlah anakan produktif dan persentase gabah berisi. Terdapat interaksi antara perlakuan berbagai ketersediaan air dan pemberian bahan organik pada total luas daun dan bobot gabah berisi.
Co-Authors Abd. Rahim Thaha Abdul Hadid Aiyen Tjoa Akbar, Alfian Alfian Akbar Alfionita, Alfionita Amirudin Amirudin Andari, Ayu Andi Ete Andi Ete Andi Hasrawati Andi Muhibuddin, Andi Ende, Sjarifuddin Enny Adelina Fathurrahman Fathurrahman Hasrawati, Andi Humaerah, Humaerah Humaerah, Nina Ilham Bakri Abdul Rahim Thaha,Isrun, Ilham Bakri Irmayanti Irmayanti, Irmayanti Jeki Jeki Jumardin Jumriani A. Paerah Lukman Lukman Maemunah Marhani Marhani Marhani Mas’ud, Hidayati Miranda M Mohammad Basir Muhammad Basir Cyio Normawati Normawati Normawati Normawati, Normawati Nur Alam Nur Salam Nuraeni Nuraeni Nuralam Nuralam Prayudiana, Andi Prayudiana Priyanto, Iklan Rahmi Rahmi Rozali, Rahmi Saiful Darman Sakka Samudin Salawati Salawati Samawati Samawati Sri Wulandari Syamsiar Syamsiar Syamsiar, Syamsiar Tasnudin Tasnudin Widyatmoko, Eka Trimas YUNUS MUSA Yusran Yusran Zainuddin, Rachmat