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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
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Search results for , issue "Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020" : 5 Documents clear
The Sugarcane (Saccharum Officinarum L.) Bud Chip Growth On The Giving Of Different NAA Concentrations And Nitrogen Fertilizer Doses Bagus Setiawan; Eny Fuskhah; Karno
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

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Abstract

This research aimed to assess the effect of Naphthalene Acetic Acid (NAA) and nitrogen fertilizer on the growth of sugarcane (Saccharum officinarum L.) bud chip. The research was conducted using a 4 x 4 factorial design with the basis of a completely randomized design (CDR) of 3 replications. The first factor was the concentration of NAA which consisted of 0 ppm (without NAA), 50 ppm, 100 ppm, and 150 ppm. The second factor was the dose of nitrogen fertilizer which consisted of a dose of 45 kgN/ha, 90 kgN/ha, 135 kgN/ha, and 180 kgN/ha. The growth parameters observed included plant height, number of leaves, tillers, root dry weight, and shoot dry weight. The data were analyzed by analysis of variance and continued with Duncan’s test (Duncan’s Multiple Range Test) at a 5% level. The results showed that the application of NAA could not increase the growth of sugarcane bud chips on all parameters. Application of nitrogen fertilizer at a dose of 45 kg N/ha could increase plant height growth, number of leaves, root dry weight, and shoot dry weight. Nitrogen fertilizer with a dose of 180 kg N/ha reduced the growth of sugarcane bud chips. The higher dose of nitrogen fertilizer inhibited the growth of sugarcane bud chips.
Biological Agent’s Effectiveness For Control Of Diamondback Moth Larvae (Plutella xylostella Linn) With Different Population Levels On Lettuce Zulfa Naila Mumtahanah; Budi Kristanto; Florentina Kusmiyati
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

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Abstract

Tritip caterpillars (Plutella xylostella) are pests that cause damage and reduce lettuce production. Control of P. xylostella pests can be done using biological agents or synthetic insecticides. Synthetic chemical pesticides in the long term can be used for resistance and resurgence of pests. Biological agents of B. bassiana, Metarhizium sp., and Trichoderma sp. can be used as an alternative solution to controlling P. xylostella. Research to examine the use of biological agents using B. bassiana, Metarhizium sp. and Trichoderma sp. to control P. xylostella attacks at different levels of pest participation. The study was conducted from 19 September to 9 November 2018 in Sidomukti, Bandungan, Semarang. The study used a completely randomized 5x3 split-plot pattern design with 3 replications. The main plot is the type of biological agents: A1: B. bassiana, A2: Metarhizium sp., A3: Trichoderma sp., A4: Insecticide and A5: control. The subplot is the pest population level: B1 = 1 larvae/plant, B2 = 2 larvae/plant, and B3 = 3 larvae/plant. Data were analyzed using ANOVA and continued with Duncan's Multiple Range Test. The results showed that biological agents and insecticides increased pest mortality, the percentage of healthy leaves, decreased the percentage of damaged leaves, the level of pest defense, and reduced the yield of lettuce.
Growth And Production Of Chinese Kale (Brassica Oleracea L.) On Different Growth Media And Ab Mix Substitution With Organic Nutrition Of Float Hydroponic Systems Corry Dominika Sinaga; Karno; Endang Purbajanti
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

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Abstract

The purpose of this research was to assess the effect of several type of growing media and AB Mix substitution with organic nutrition to Kailan (Brassica oleraceae L.) growth. The study was conducted using a factorial 3 x 4 completely randomized design (CRD) with 3 replications. First factor is the treatment of growing media which consists of Rockwool, Charcoal husk, and Cocopeat. The second is the AB Mix Substitution with organic nutrition consisting of AB Mix substitution with 0% organic nutrition, AB Mix Substitution with 25% organic nutrition, AB Mix Substitution with 50% organic nutrition, and AB Mix Substitution with 100% organic nutrition. Growth parameters observed included plant height, number of leaves, root length, canopy wet weight, root wet weight, canopy dry weight, root dry weight, and chlorophyll. Data were analyzed using ANOVA and continued by DMRT (Duncan's Multiple Range Test) at 5% level. The results showed that the planting media treatment was able to increase growth in the plant height, number of leaves, root length, canopy wet weight, root wet weight, and canopy dry weight. The treatment of AB Mix substitution with 25% organic nutrition is equivalent to the treatment of AB mix substitution with 0% organic nutrition for all parameters except chlorophyll. The AB Mix substitution treatment with 50% organic nutrition is not equivalent to the treatment without substitution. The higher substitution treatment will affect growth.
The Effect of IAA Concentration and Growing Media Composition on Banana Raja Bulu (Musa paradisiaca L.) Planlet Growth at Aclimatization Stage Isna Panca Andariza; Florentina Kusmiyati; Endang Purbajanti
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

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Abstract

Banana plants are an annua horticultural crops that has production capability without depend on the season and are widely cultivated in the tropic or subtropic areas. Tissue culture can produce good quality banana seedling in large quantities. Banana planlets from tissue culture require appropriate growing media and growth regulators such as auxin to stimulate their metabolic systems. The research aim to examine effect of IAA auxin hormone concentration, composition sand: compost: husk charcoal and its interactions on the growth of raja bulu banana plantlets. The research was conducted in July - September 2019 at Plant Physiology and Breeding Laboratory, Faculty of Animal and Agricultural Sciences, Diponegoro University, Semarang. The study used a complete randomized factorial design 4x2 with 5 replications. The first factor was IAA concentration (K) consists of 4 levels, K0: 0 ppm, K1: 30 ppm, K2: 60 ppm, K3: 90 ppm. The second factor was composition of growing media (M), M0: sand: compost: husk charcoal (1: 1: 1) and M1: sand: compost: husk charcoal (1: 1: 2). Data were analyzed by F test and proceeded by DMRT test at the level of 5%. The results showed that IAA significantly affected stem diameter, number of leaves, chlorophyll content and nitrate reductase activity of banana seedlings. The treatment of growing media significantly affected plant height and number of leaves. Concentration of 30 ppm IAA at all growing media increased significantly on stem diameter, number of leaves, chlorophyll content and nitrate reductase activity.
Segregation of Agronomic Characters in the F2 Generation of Long Beans (Vigna sinensis L.) From Crossing Varieties Of Fagiola x Aura Hijau Urip Jamiati Solichah; Syaiful Anwar; Florentina Kusmiyati
Journal of Tropical Crop Science and Technology Vol. 2 No. 2 (2020): VOLUME 2, NO. 2, OCTOBER 2020
Publisher : Universitas Muhammadiyah Malang

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Abstract

Crossing is one of the breeding programs that can be done to get better plant varieties. Selection is an activity carried out by breeders to determine the seeds that can be planted on subsequent planting. In order to increase the success of selection, segregation need to be determined. The main focus of the study was to determine the frequency distribution and crop segregation. This research was conducted in November 2018 - January 2019 in Agroecotechnopark and Laboratory of Plant Physiology and Breeding, Diponegoro University, Semarang. This studyused F2 seeds from crossing varieties of Fagiola x Aura Hijau. The experimental design was carried out using a single plant design. The results were analyzed using distribution suitability test and chi-square test. Characters that have a normal distribution are plant height, number of leaves, length of pods, and sweetness. The character that is not normally distributed is pod weight. There are two genes that are dominant-recessive epistasis controlling pod weight.

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