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Agroekoteknologi Tropika Lembab
Published by Universitas Mulawarman
ISSN : 26223570     EISSN : 2621394X     DOI : -
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
Jurnal Agroekoteknologi Tropika Lembab Universitas Mulawarman merupakan media publikasi tulisan asli yang berkaitan dengan budidaya tanaman secara luas.
Arjuna Subject : -
Articles 151 Documents
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Diversitas Jamur Endofit Pada Tanaman Padi (Oryza sativa L.) dan Potensinya Sebagai Pengendali Hama Sopialena, Sopialena; Sopian, Sopian; Allita, Lusyana Dwi
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 2 (2020): Agroekoteknologi Tropika Lembab Volume 2 Nomor 2 Februari 2020
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.2.2020.2804.105 - 110

Abstract

Penelitian ini bertujuan untuk mengidentifikasi jenis jamur endofit yang terdapat pada tanaman padi serta potensinya sebagai pengendali hama atau entomopatogen. Jamur endofit merupakan mikroorganisme yang terdapat didalam jaringan tanaman yang mengandung senyawa yang dapat memberikan ketahanan pada tanaman inang dari serangan Organisme Pengganggu Tumbuhan.Penelitian dilakukan dalam dua kegiatan, yaitu kegiatan lapangan dan kegiatan laboratorium. Kegiatan lapangan yaitu pengambilan sampel tanaman padi yang sehat. Kegiatan di Laboratorium meliputi isolasi, identifikasi dan uji entomopatogen.Hasil penelitian menunjukan bahwa jamur endofit yang teridentifikasi pada tanaman padi dari dua lokasi penelitian yaitu di Desa Karang Tunggal, Tenggarong Seberang dan Kelurahan Tanah Merah, Samarinda Utara terdapat 4 jenis, yaitu Metarhizium sp., Penicillium sp., Aspergillus sp., dan Trichoderma sp. Sementara itu jenis jamur endofit yang berpotensi sebagai jamur entomopatogen yang memberikan mortalitas tertinggi terhadap ulat hongkong adalahMetarhizium sp. dan Penicillium sp.
Application of Kirinyuh Extracts (Chromolaena odorata (L.) R.M. King and H.E. Rob.) to Germination and Growth of Jawan Grass Weed (Echinochloa cruss-galli) nurul kholifah
Jurnal Agroekoteknologi Tropika Lembab Vol 1, No 1 (2018): Agroekoteknologi Tropika Lembab Volume 1 No 1 Agustus 2018
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.1.1.2018.1504.67-76

Abstract

The objectives of this research were to know: 1) the effect of allelopathy from leaf and kirinyuh root extracts (Chromolaena odorata L.) to suppress seed germination of jawan grass weed (Echinochloa cruss-galli);  2) the influence of allelopathy from leaf and kirinyuh root extracts (C. odorata L.) to suppress the growth of  jawan grass weed (E. cruss-galli). This research was conducted from August to October 2017. Sampling site was located in Bukit Raya Village, Samboja District.This study used a Completely Randomized Design consisted of two factors with five treatments and three replications. The first factor  was the source of the extracts, consisted of leaves and roots of kirinyuh, while the second factor was the concentration of extracts, namely 0; 50; 100; 150; and 200 gL-1  aquadest. Data were analyzed by analysis of variance with F-test and followed by LSD test of 5% level.The results showed that: 1) kirinyuh extractswas able to inhibit the time and percentage of seed germination of jawan grass weed. The longest  in  germination time, was  8.54%,obtained from kirinyuh root  extracts  200gL-1aquadest. , while  the lowest in germination percentage obtained from 50g kirinyuh root extractsL-1, was 40.28%;  2) Leaf and kirinyuh root extractsinhibit thegrowth (height and root length), and caused high percentage of deaths of jawan grass weed. The highest percentage of weed deaths due to kirinyuh leaf extracts of concentration 100 g L- l with the death percentage was 1.76%.
Rekomendasi Pemupukan Padi Sawah (Oryza sativa L.) Spesifik Lokasi di Kecamatan Malinau - Kabupaten Malinau Hidayanto Hidayanto
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 1 (2019): Agroekoteknologi Tropika Lembab Volume 2 No 1 Agustus 2019
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.1.2019.2533.1-7

Abstract

The area of paddy fields in Malinau Kota District is around 463 ha or 10.29 percent of the productive paddy in Malinau Regency which reaches 4,500 ha. The productivity of rice in the area is still low, which is around 3-4 ton ha-1, its caused by the use of fertilizers that are not yet suitable for plant growth requirement. Therefore, in order to improve rice productivity, it is necessary to do soil analysis to formulate spesific location fertilizer recommendations based on soil nutrient status. The assessment was carried out in Malinau District, Malinau Regency, on September-November 2017. The purpose of the asseement was to develop recommendations for fertilizing specific location lowland rice based on soil nutrient status. The assessment method is to take composite soil samples from several representative locations, then analyze in the laboratory, and the results of the analysis are used to formulate recommendations for specific location lowland rice fertilization. The results of soil analysis showed that soil pH was acid, organic C-content was low, N-tot was low, P was medium and K was medium. Recommendations of N fertilization with Urea as the basic fertilizer 50-100 kg ha-1 and subsequent N fertilization based on leaf color chart (LCC), P fertilization with SP-36 as much as 100 kg ha-1, and K fertilization with KCl as much as 50 kg ha-1.
Kajian Penilaian Kesuburan Tanah Tegakan Dipterocarpaceae dan Non Dipterocarpaceae di Wanariset Samboja, Kalimantan Timur Mulyadi Mulyadi; Drinus Arruan
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 2 (2020): Agroekoteknologi Tropika Lembab Volume 2 Nomor 2 Februari 2020
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.2.2020.2800.79-85

Abstract

Abstrak. Penilaian kesuburan tanah tegakan Dipterocarp dan non-Dipterocarp telah dilakukan di areal Tegakan Benih, Wanariset Samboja. Tujuan utama dari penelitian ini adalah untuk mempelajari respon Dipterocarp dan non-Dipterocarp terhadap habitatnya, tanah. Hasil penelitian menunjukkan bahwa di bawah tegakan Dipterocarp, tanah didominasi oleh jenis tanah Hapludults dan Dystropepets, dengan kelas tekstur lempung berpasir dan berpasir, dan lempung berpasir hingga lempung lempung berpasir untuk tegakan hutan non-Dipterocarp. Kesuburan dan status kimiawi tanah di bawah tegakan Dipterocarp dan non-Dipterocarp sangat rendah ke rendah dengan reaksi tanah asam sangat asam dan saturasi aluminium sangat tinggi. Faktor pembatas utama pada status kesuburan tanah adalah kapasitas pertukaran kation yang sangat rendah dan ketersediaan fosfat yang rendah.
Identifikasi Karakter Morfologi Dan Agronomi Tanaman Padi F1 Hasil Silang Balik Resiprok Kambang/Pandan Ungu//Pandan Ungu hadi pranoto; Akhmad Askan; Bambang Supriyanto
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 1 (2019): Agroekoteknologi Tropika Lembab Volume 2 No 1 Agustus 2019
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.1.2019.2521.15-19

Abstract

This research was conducted to obtain hybridization which has superior character and to know the agronomic and morphological characters of F1 generation from reciprocal crossof Kambang/Pandan Ungu//Pandan Ungu, this research uses a reciprocal cross method (cross between F1 from a single cross with male elders) to produce F1 plants that will change the morphological and agronomic character. This research was conducted at the screen house area in the Faculty of Agriculture, Mulawarman University, Until the of January 2018 to September 2018. The results of this identification showed that from 161 spikelet castrated obtained as many as 60 grains with a percentage of fertility 37.27%, and then sowing as many as 30 seeds (50%), plants that successfully grew and could be used there were 21 plants (70%) character morphology and agronomic on F1 plants more dominant in the character of Pandan Ungu rice. The dominan characters are leaf color, ligula color, uricle color, midrib color, leaf surface, stigma color, grain end color, lemma and palea color, number of wildings, breed ability, number of productive wildingss, panicle type, yellowing of leaves, diameter of root stock, and harvesting the crop.
Efektivitas Ekstrak Daun Tumbuhan Bintaro (Cerbera odollam), Bayam Jepang (Amaranthus viridis) dan Paku Perak (Niprolepis hirsutula) Terhadap Ulat Krop Kubis (Crocidolomia pavartata) Syaiful Asikin; Ni’matuljannah Akhsan
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 2 (2020): Agroekoteknologi Tropika Lembab Volume 2 Nomor 2 Februari 2020
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.2.2020.2805.111-117

Abstract

Hama krop kubis (Crocidolomia pavartata) merupakan salah satu kendala budidaya sayuran sawi dan kubis di lahan rawa pasang surut. Salah satu alternatif pengendalian hama adalah dengan menggunakan bahan tumbuhan di lahan rawa pasang surut sebagai pestisida nabati. Penelitian ini bertujuan mengetahui efektivitas aplikasi ekstrak daun bintaro, bayam japang dan paku merah pada hamakropkubis. Hasil penelitian menunjukkan hanya ekstrak daun bintaro yang efektif mengendalikan hama ulat krop kubis. Ekstrak daun bintaro mempunyai zat antifedan dan dalam waktu 60 jam setelah aplikasi, menyebabkan mortalitas ulat krop kubis sebesar 84,00%. Ekstrak daun bintaro mampu menghambat pertumbuhan pupa dan imago. Kesimpulannya yaitu ekstrak daun bintaro (Cerbera odollam), dapat digunakan sebagai pestisida nabati untuk mengendalikan hama krop kubis pada tanaman sayuran sawi.
Identifikasi Karakteristik Gejala Serangan Banana Bunchy Top Virus (BBTV) dan Intensitasnya pada Tanaman Pisang di Beberapa Kecamatan di Kabupaten Kutai Kartanegara Irwansyah Irwansyah; Sofian Sofian; Ni'matuljannah Akhsan
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 1 (2019): Agroekoteknologi Tropika Lembab Volume 2 No 1 Agustus 2019
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.1.2019.2536.55-60

Abstract

Banana is one of the fruit commodities that are consumed by many people. Banana dwarf disease is an important disease in Indonesia.This study aims to identify the characteristics of BBTV attack symptoms on banana plants and the physical characteristics of banana plants which are attacked by different planting patterns, sanitation and weed control.This research was carried out in several sub-districts in Kutai Kartanegara District, namely Samboja sub-district, Muara Jawa sub-district, Loa Janan sub-district, Muara Badak sub-district, Loa Kulu sub-district. The method used is the survey method, which is direct observation in the field using a modified score based on the appearance of the sick morphology of the plant (Brooks, 1999).Data obtained from each plot was processed to determine the intensity of each-plot disease using the formula for calculating disease severity (Agrios, 1997). Disease intensity data are compared based on sampling land conditions. Based on the results of a survey conducted at several observation points spread across 5 sub-districts, it can be concluded that the symptom severity is higher in mixed-crop, uses sanitation and weed control compared to monoculture, without sanitation and weed control. The average score of the assessment is a score of 3 with characteristics: (1) the edges of the leaves turn yellow quite severe, (2) the narrowing of the leaves or twisting (3) the occurrence of distortion, dwarf and necrosis (4) found more than four infected banana stems in clump.
Pemanfaatan Sistem Informasi Geografis Untuk Pengembangan Kawasan Pertanian Di Kabupaten Nunukan Donny Dhonanto
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 2 (2020): Agroekoteknologi Tropika Lembab Volume 2 Nomor 2 Februari 2020
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.2.2020.2801.86-93

Abstract

Abstrak. Potensi lahan pertanian di Kabupaten Nunukan masih sangat luas. Untuk mengetahui penggunaan lahan eksisting dan potensial di Kabupaten Nunukan khususnya lahan pertanian dibutuhkan suatu sistem informasi yang dapat mendukung akan hal tersebut. Salah satu teknologi yang dapat digunakan untuk memfasilitasi hal tersebut adalah dengan menggunakan Sistem Informasi Geografis (SIG). SIG merupakan sistem informasi yang berbasis komputer dan data digital sehingga pengelolaan dan penyajiannya memiliki banyak kelebihan dibanding dengan yang bersifat manual. Penelitian ini mencoba memetakan potensi lahan yang berisifat clean and clear untuk pengembangan kawasan pertanian di Kabupaten Nunukan.
Penilaian Status Kesuburan Tanah pada Lahan Pascatambang di Areal PT. Trubaindo Coal Mining Kabupaten Kutai Barat Dhian Dwi Ramadhana; Donny Donantho; Ria Rachel Paranoan
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 1 (2019): Agroekoteknologi Tropika Lembab Volume 2 No 1 Agustus 2019
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.1.2019.2529.24-28

Abstract

The aim of study is to assessing soil fertility status on post-mining land in the area PT. Trubaindo Coal Mining, West Kutai, East Kalimantan Province. Assessment of soil fertility is determined based on the method developed by Bogor Soil Research Institute (2005), that is by using descriptive comparative method where the data from the soil analysis are then compared with the standard criteria for soil chemical properties and the criteria for assessing soil fertility status developed. The results showed the status of the average value of the soil pH 4.62 (acid), C-Organic 1.08% (low), Nitrogen 0.09% (very low), Phosphorus 2.15 ppm (very low), Pottasium 65.53 ppm (very high), Cation Exchange Capacity 6.29 meq100g-1 (low), and Base Saturation 44,83 % (moderate). Soil of post mining land in PT. Trubaindo Coal Mining have a“low” fertility status, so further management action is needed to improve soil fertility status.
Inventarisasi Cadangan Biji Gulma pada Lahan Kelapa Sawit (Elaeis guineensis Jacq) di Desa Sumber Sari Kecamatan Sebulu Kabupaten Kutai Kartanegara Alexander Mirza
Jurnal Agroekoteknologi Tropika Lembab Vol 2, No 2 (2020): Agroekoteknologi Tropika Lembab Volume 2 Nomor 2 Februari 2020
Publisher : Mulawarman University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jatl.2.2.2020.2812.118-129

Abstract

Cadangan benih gulma di tanah merupakan faktor penting untuk menentukan populasi, keanekaragaman, dan keanekaragaman cadangan benih gulma pada lahan tertentu yang dihasilkan oleh gulma sebelumnya dan juga dapat menjadi penentu metode pengendapan gulma di masa depan. Penelitian terkait untuk mengetahui cadangan benih gulma yang ditemukan di lahan perkebunan dan untuk mengetahui spesies gulma mana yang paling dominan. Penelitian ini dilakukan pada bulan Februari hingga Maret 2019 di Desa Sumber Sari, Kabupaten Sebulu, Kabupaten Kutai Kartanegara. Metode yang digunakan adalah metode deskriptif dan membandingkan hasil analisis vegetasi dan perkecambahan cadangan biji gulma, kemudian melakukan identifikasi menggunakan buku kunci identifikasi gulma. Hasil penelitian menunjukkan bahwa ada 16 spesies gulma yang dikembangkan: Cyperus rotundus (L), Centotheace lappaceae (L), Ludwigia pruviana (L), Borreria latifolia (A), Eleusine indica (L), Asystasia gangetica (L), Piper aduncum (L), Cleome rutidosperma (DC), Boreria repens (DC), Sphenoclea zeylanica (L) G), Peperomia pellucida (L), Melastoma malabatricum (L), Ludwigia palustris (L), Phyllantus urinaria (L), Cyperus kyllingia (E)) dan Echinocloa colonum (L). Cadangan benih gulma dominan pada kedalaman 0-10 cm adalah Echinocloa colonum (L), pada kedalaman 11-21 cm cadangan benih gulma dominan adalah Eleusine indica (L), dan pada kedalaman 21-30 cm pasokan benih gulma dominan adalah Echinocloa colonum (L).

Page 3 of 16 | Total Record : 151

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