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Published by Universitas Andalas
ISSN : 26549395     EISSN : 26553023     DOI : https://doi.org/10.25077/jijcs.v7i2.183
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
JERAMI : Indonesian Journal of Crop Science is an open access and international peer-reviewed scientific journal publishing research articles, reviews and short communications in the field of crop sciences. Scope coverage of this journal includes: agronomy, crop physiology, seed science, conventional and non-conventional breeding, crop production and management, crop modelling, agroclimatology, crop and soil environmental science. JERAMI is now accepting new submissions through our online submission system. JERAMI : Indonesian Journal of Crop Science with registered number ISSN 2654-9395 (printed), ISSN 2655-3023(online) is a scientific journal which publishes articles from the fields of accounting and information system. JERAMI : Indonesian Journal of Crop Science will publish in two times issues Volume 1, Numbered: 1-2 are scheduled for publication: February and August
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 6 Documents
 1 
Search results for , issue "Vol 6 No 1 (2023): JIJCS" : 6 Documents clear
Effect of Biopesticide Application in Suppressing the Population of Onion Caterpillar Pests (Spodoptera exigua L) in Shallot Plants (Allium ascalonikum L) SRIWINATY HARAHAP; RASMITA ADELINA HARAHAP
JERAMI : Indonesian Journal of Crop Science Vol 6 No 1 (2023): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.6.1.1-6.2023

Abstract

ABSTRAK Bawang merah merupakan salah satu komoditas sayuran unggulan yang sejak lama telah diusahakan oleh petani secara intensif Komoditas ini juga merupakan sumber pendapatan yang memberikan kontribusi cukup tinggi terhadap perkembangan ekonomi wilayah, karena memiliki nilai ekonomi yang tinggi maka budidaya bawang merah telah menyebar di hampir semua provinsi di Indonesia. Jenis hama yang sering dijumpai pada tanaman bawang merah yaitu ulat bawang (Sexigua). Bawang merah merupakan inang utama bagi larva S.exigua. Kellilangan hasil akibat serangan hama ini dapat mencapai570/o karena terjadi sejak fase pertumbuhan awal sampai dengan fase pematangan umbi, bahkan bisa mengakibatkan gagal panen terutama di musim kernarau apabila pengendalian tidak dilakukan sesegera mungkin. Salah satu cara yang dapat digunakan untuk menekan pertumbuhan yaitu ulat bawang pada bawang merah dengan menggunakan pestisida nabati. Pestisida nabati mengandung senyawa aktifyang mampu mengganggu proses perkembangan ulat bawang Metode dalam penelitian ini adalah Rancangan Acak Kelompok Non Faktorial dengan masingmasing perlakuan DO ( kontrol), Dl (100 ml masing-masing daun Nimba, Serai dan Lengkuas/ liter air), D2 (200 ml masing-masing daun Nimba, Serai dan Lengkuas Iliter air), D3 (300 ml masing-masing daun Nimba, Serai dan Lengkuas [liter air) dan D4 (400 ml masing-masing daun Nimba, Serai dan Lengkuas Iliter air). Hasil penelitian menunjukkan bahwa perlakuan Biopestisida menunjukkan pengaruh yang nyata terhadap semua perlakuan yaitu intensitas serangan, persentase serangan, bobot umbi segar dan bobot umbi kering. Perlakuan terbaik terdapat pada D4. Kata Kunci : Bawang merah, Biopestisida, Ulat bawang (Spodoptera exigua).
Control of Root-knot Nematodes (Meloidogyne spp.) on Tomato (Lycopersicum esculentum Mill.) using Antagonist Fungi Trizelia Trizelia Trizelia; Winarto Winarto; Rusdi Rusli; Duma Putri Tama; Husnil Barokah; Febriza Yusra Andini
JERAMI : Indonesian Journal of Crop Science Vol 6 No 1 (2023): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.6.1.7-13.2023

Abstract

Nematodes Meloidogyne spp. is the most important phytonematode in the world, especially in agriculture in tropical areas. The level of root damage to tomato plants caused by the nematode Meloidogyne spp. can reach 68.3%. In general, control of plant parasitic nematodes is still carried out using pesticides in the form of insecticides which can also be used as nematicides. Continuous use of chemicals to control nematodes can cause environmental pollution, resurgence and nematode resistance to chemicals. One alternative control is biological. One of the biological agents that can be used to control Meloidogyne nematodes is the endophytic fungus Beauveria bassiana and Trichoderma asperellum. The research aims to obtain the best isolates of endophytic fungi for controlling rootknot nematodes (Meloidogyne spp.). The isolates tested were 2 Beauveria bassiana isolates and 2 Trichoderma asperellum isolates. The results showed that the fungus isolate Beauveria bassiana isolate TD312 had a higher ability to control Meloidogyne spp on tomatoes.
Optimizing the Growth of Tasikmalaya Honje (Etlingera elatior) Accession Seeds by Implementing Fermentation of Rabbit Urine and Coconut Water Arrin Rosmala; Selvy Isnaeni; Roza Yunita
JERAMI : Indonesian Journal of Crop Science Vol 6 No 1 (2023): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.6.1.14-20.2023

Abstract

Organic matter has an important role besides providing macro and micro nutrients to plants, it can also improve environmental quality. The fermentation of rabbit urine and coconut water is expected to optimise the growth of honje seedlings. The aim of this study was to determine the concentration of fermented rabbit urine and coconut water that can optimise the growth of honje seedlings of Tasikmalaya accession. The study used a completely randomised design with seven treatments, namely A = control, B = 25% rabbit urine fermentation, C = 50% rabbit urine fermentation, D = 25% coconut water, E = 25% rabbit urine fermentation + 25% coconut water, F = 50% rabbit urine fermentation + 25% coconut water, G = 50% rabbit urine fermentation + 50% coconut water. The results showed that the treatments gave significantly different results on shoot emergence, seedling height, seedling diameter, and root crown ratio. Treatment G produced the fastest shoot emergence (6 days), and plant height (10.4 cm). Meanwhile, the widest seedling diameter was produced by treatment B (4.4cm), C (3.9 cm), and treatment G (3.9cm). Treatment C produced the highest root crown ratio of 0.5.
Suitability Analysis Of Tobacco Cultivation Technique In Nagari Baruah Gunung Nursamsi Nursamsi; Muhammad Syahfitra
JERAMI : Indonesian Journal of Crop Science Vol 6 No 1 (2023): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.6.1.21-25.2023

Abstract

The problem with tobacco farmers in Nagari Baruah Gununang is a productivity. Tobacco productivity is below national productivity due to cultivation techniques that do not comply with standards. The research method uses suitability analysis to assess the level of suitability of cultivation techniques used by farmers in Nagari Baruah Gunuang. The level of suitability is analyzed using check sheet based on a likert scale by comparing farmers actual and standards cultivation. The research results show that suitability level of tobacco cultivation technique is 70%. This means that the cultivation techniques used by farmers are still classified as almost in accordance with standards. The stages of cultivation that do not meet standards are planting; fertilization; and weeding, watering and loosening. The problems that cause non-compliance with this standard are close spacing of plants, lack of use of manure and dolomite, inappropriate dosage and type of chemical fertilizer, and insufficient watering and irrigation.
The Effectivity Of 150 g/L Metamifop Herbicide To Identify And Control Weeds In Paddy Field Cultivation (Oryza Sativa L) Dewi Hernawati; Diah Ika Putri; Dita Febriany; Arrin Rosmala
JERAMI : Indonesian Journal of Crop Science Vol 6 No 1 (2023): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.6.1.26-30.2023

Abstract

Weeds are one of the obstacles to the growth of lowland rice cultivation which can reduce the quantity of rice yields so that weeds need to be controlled. This study aims to determine the effect of metamifop 150 g/L herbicide to control weeds in lowland rice cultivation. The experiment was carried out on paddy rice cultivation land in Langansari Village, Tarogong Kaler Cipanas District, Garut Regency, West Java, from November 2022 to February 2023. The experiment used a Randomized Block Design (RBD) with six treatments and four replications. The experiment consisted of four treatments with the active ingredient metamifop 150 g/L at a dose of A: 5.4 ml, B: 7.2 ml, C: 9.0 ml, D: 10.80 ml, E: manual weeding treatment and F : control treatment with no weed control. The results showed that the application of the herbicide with the active ingredient metamifop 150 g/L at a dose of D: 10.80 ml was able to suppress weed growth but the results were not significantly different from the dose of 5.4 ml which was the lowest dose to reduce weed resistance and plant residues so that dose A : 5.4 ml able to suppress the growth of weeds Echinochloa crusgalli, Monochoria vaginalis, Cyperus rotundus, Spenochlea zeylanica, Panicum repens, Cyperus difformis and total weeds.
The Effect Of Administration Of Paitan (Tithonia Diversifolia) Liquid Extract On The Growth Of Tissue Cultural Products Of Barangan Banana (Musa Acuminata L.) Seedlings Friza Elinda; Zhikry Fadhillah Miswar; Andre Sparta; Aulia Meyuliana; John Hendri
JERAMI : Indonesian Journal of Crop Science Vol 6 No 1 (2023): JIJCS
Publisher : Department of Crop Science, Faculty of Agriculture, Andalas University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jijcs.6.1.31-35.2023

Abstract

Bananas (Musa spp.) are tropical plants that are very popular in Indonesia. Banana plants in the nursery require a planting medium that contains the nutrients the plants need. Tithonia is an annual weed that is suitable for use as a source of plant nutrients. This research aims to determine the effect of giving Tithonia liquid extract on the growth of Barangan banana seedlings resulting from tissue culture at the seedling stage and the best dose for using Tithonia liquid extract. This research was conducted at the Germplasm Nursery and Breeding Laboratory of the Tropical Fruit Plant Research Institute, Solok, West Sumatra, from September to December 2020. This research used the RAL method (Completely Randomized Design) with four treatments and six replications, in the form of 1) Without Tithonia extract, 2) Giving 1 ml of Tithonia extract, 3) Giving 2 ml of Tithonia extract, and 4) Giving 3 ml of Tithonia extract. The parameters observed were plant height, number of leaves, leaf length, leaf width, and stem diameter. Data was tested statistically. If calculated F > F table then it is tested further using the Duncan Multiple Range Test (DNMRT) with a level of 5%. The results of the research showed that giving Tithonia liquid extract had an effect on the growth of Barangan banana seedlings resulting from tissue culture. Significantly different results were obtained for the leaf width increase parameter. On the other hand, the results were not significantly different for other parameters such as plant height, number of leaves, leaf length and stem diameter. Giving 1 ml of Tithonia liquid extract was the best dose in this study.

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