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Yusmine Yulianto Pradita
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JTCST (Journal of Tropical Crop Science and Technology)
Published by Universitas Muhammadiyah Malang
ISSN : -     EISSN : 26564742     DOI : https://doi.org/10.22219/jtcst.v6i1.32887
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
JTCST (Journal of Tropical Crop Science and Technology) publishes scientific papers on the results of the study/research and review of the literature in the sphere of tropical crop production and technology in agriculture. Additionally, this journal also covers the issues of plant biology, crop production and environmental science. Editors welcome scholars, researchers, and practitioners of education around the world to submit scholarly articles to be published through this journal. All articles will be reviewed by experts before accepted for publication. Each author is solely responsible for the content of published articles.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 5 Documents
 1 
Search results for , issue "Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022" : 5 Documents clear
Study of Growth and Production of Cotton Crops on Organic and Inorganic Fertilization Nunik Diana; Dian Indratmi
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

The study aimed to determine the effectiveness of organic and inorganic fertilization and to obtain the right dose of organic and inorganic fertilizers for the growth and production of seed cotton plants. The research was designed using a Randomized Group Design with 8 treatments repeated 5 times. The treatments were inorganic fertilizer Balittas package dose (100 kg N + 37.5 kg P2O5 + 37.5 kg K2O), Balittas package dose treatment with the addition of cottonseed cake bokashi, Balittas package dose with the addition of cow manure, Balittas package dose with the addition of cottonseed cake bokashi and cow manure and treatment with a dose of ½ Balittas package with the addition of organic fertilizers mentioned above, and treatment only with the use of organic fertilizers. The results showed that the treatment of organic and inorganic fertilizers was very effective in increasing the growth and production of cotton plants. The fertilization dose of Balittas package (100 kg N + 37.5 kg P2O5 + 37.5 kg K2O) + cottonseed cake bokashi + cow pukan gave better growth and production compared to other treatments, but the fertilization treatment of ½ dose of Balittas package (50 kg N + 18.75 kg P2O5 + 18.75 kg K2O) + cottonseed cake bokashi tended to be more efficient.
Study Of Using Various Fertilizers On Four Varieties Of Tomatoes (Solanum lycopersicum) Asmohin Yulianto; Aniek Iriany; sufianto
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

The increasing demand for tomatoes has prompted concerns about the potential decrease in tomato supply, as reflected in rising market prices. To address this issue, efforts should be directed towards enhancing the productivity of tomato plants. This study focuses on identifying the interactive effects of fertilizer type and tomato variety on tomato plant development.Utilizing a Completely Randomized Design (CRD) with two factors, the first factor involves three types of fertilizers (Goat Manure, NPK, and Liquid Organic), while the second factor includes four tomato varieties (Permata, Donna, Serfo F1, and Tinatoon F1). Various parameters, such as plant height, number of leaves, number of branches, stem diameter, number of fruits, and fruit weight, were monitored.The study's results highlight a significant interaction between fertilizer types and tomato varieties, with the NPK fertilizer treatment and the Tinatoon F1 variety demonstrating optimal height among the tomato plants. Notably, NPK fertilizer exhibited a positive influence on tomato plant development, particularly in plant height at weeks 7, 10, and 13, as well as in the number of leaves, number of branches, fruit weight, and stem diameter. In contrast, the type of tomato plant did not significantly impact tomato growth, except for the Tinatoon Variety, which consistently outperformed others in terms of branches, leaves, stem diameter, and fruit weight during the observation period at weeks 7, 10, and 13. These findings underscore the importance of fertilizer selection, specifically favoring NPK, in optimizing tomato plant productivity.
Effect Of Bap (Benzyl amino purine) Concentrations on Shoot Multiplication Of Two Varieties Of Kepok Banana In Vitro Isnanda Rosyidatul Ilmiyah; Maftuchah; Muhidin
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

Banana production in Indonesia has decreased due to the lack of availability of healthy seeds. The purpose of this study was to determine the effect of BAP on the multiplication of two banana varieties (Kepok Manurun and Kepok Unti Sayang) by in vitro culture. This study used a completely randomized design (CDR) in a factorial manner with 2 factors. The first factor was the banana variety (Kepok Manurun and Kepok Unti Sayang), the second factor was the concentration of BAP ZPT (0, 1, 2, 3) with 4 replications where each replication consisted of 4 samples, each bottle was planted with 1 plantlet for a total of 128 bottles. The results showed that the concentration of BAP did not effect the multiplication of two kepok banana varieties in vitro. The BAP concentration of 2 ml/l produced the highest number of shoots of 1,91 shoots, the concentration of BAP of 1 ml/l produced the highest number of leaves of 1,52 leaf, while the concentration of BAP 0 ml/l or without BAP result in the highest plant height of 1,05 cm. While the highest number of roots was found in the BAP treatment of 1 ml/l, the number of root tips, the highest root length was found in the BAP treatment 0 ml/l, while the concentration of BAP 2 ml/l produced the highest number of tillers of 1,39 tillers, and the concentration BAP 1 ml/l resulted in a stem diameter of 3,98 cm.
The Effect of Urea Fertilizer Dosage on Growth and Results of Two Types Basil (Ocimum americanum L.). Nofa Prismawan; Aniek Iriany; sufianto
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

Basil is one of the indigenous plants, that has the potential to be used as a plant that is cultivated intensively in Indonesia. Basil include as one of the shrubs that can grow in almost all areas with a fairly dense canopy appearance. Each plant has different growing conditions. Basil can be grown in all regions of Indonesia. The purpose of this study was to identify the response of 2 types of basil against the use of N fertilizer dose on the early growth. In the growth process, plants require sufficient nutrients so that the physiological processes in plants’ organs can be held properly. The nutrients used by plants can be sourced from within the soil itself or in the form of fertilizers that have been put into the soil. Plants will grow properly if the elements needed by plants are fulfilled. Plants need sufficient N, P, and K nutrients for system growth. The elements of N and P are needed in the growth of proteins, carbohydrates, and nucleic acids. Basil plants are leafy vegetable plants that remarkably require Nitrogen in the optimal amounts of the growth process. The research was carried out from February to April 2022 at the Experimental Field of the Faculty of Agriculture and Animal Husbandry at the University of Muhammadiyah Malang. The design used in this study was the factorial Randomized Complete Block Design (RCBD) with a treatment dose of Urea fertilizer in basil type. The results showed that there was no interaction between the types of basil and the dose of urea at all the observation parameters. On the other side, the type of basil affects the parameters of the number of leaves, plant height, and total fresh weight where the type of tidore basil was better than other types of basil. Furthermore, the urea fertilizer dose treatment affected the number of leaves, plant height, and total fresh weight where the better urea fertilizer dose was N125.
Effectiveness Of Combination Application Of Grinting Grass (Cynodon Dactylon) Extract And Tumb Of Gadung (Dioscorea Hispida Dennst) Plant As An Attempt To Suppress The Intensity Of Mosaik Virus Vector Pest (Aphis Glycine) In Soybean (Glycine Max L.) Plants Fahmi Faishal Malik; Ali Ikhwan; Erfan Dani Septia
Journal of Tropical Crop Science and Technology Vol. 4 No. 1 (2022): VOLUME 4, NO. 1, MARCH 2022
Publisher : Universitas Muhammadiyah Malang

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Abstract

A. glycine soybean infestation caused yield loss reaching 58%. Environmental friendly controls are carried out using natural ingredients. This study was conducted to determine the effectiveness of the combination of gadung and grass grinting tuber extracts on soybean virus (A. glycine) vector pests and to know the mechanism of toxicity to these pests. This research was conducted from June to September 2018. The effectiveness of applications using simple Randomized Completed Block Design (RCBD). Analysis of Varian at 5% level, and Duncan's Multiple Range Test (DMRT) test. Calculations of LC50 and LT50 use probit regression analysis. The results showed that the highest compounds contained in gadung tubers were alkaloids, whereas in grinting grasses were saponins. Both of these compounds have the potential as a base for vegetable insecticides. The combination treatment of gadung extract and grinting 3: 2 (v / v) (P7) and 3: 1 (P8) showed the most effective results compared to positive controls and other treatments with mortality mean values ​​at all observations of 87.44% and 86, 7%. The LC50 value of gadung extract at the first observation was 3%, the grinting extract was 3.08%. The lowest LT50 value is in treatment P7 (3: 2) with a time of 3.88 hours. a combination of gadung extract and grinting can suppress A.glycine infestation and potentially a plant-based insecticide

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