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Plantropica: Journal of Agricultural Science
Published by Universitas Brawijaya
ISSN : -     EISSN : 25416677     DOI : http://dx.doi.org/10.21776/ub.jpt
Core Subject : Agriculture,
Agriculture, Biological Sciences & Forestry
PLANTROPICA: Journal of Agricultural Science aims to provide a forum for international researchers on applied agricultural science to publish the original articles. The scope of PLANTROPICA: Journal of Agricultural Science are crop science, agronomy, horticulture, plant breeding, agricultural environmental resources, agricultural climatology and plant physiology.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Agronomi dan Ilmu Tanaman
Articles 212 Documents
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Ultilization of Shade as Microclimate Modification on Growth and Yield of Two Broccoli Varieties (Brassica oleracea var. italica) Cahyarani, Putri Amanda; Herlina, Ninuk; Prasetianto, Mushoffan
Plantropica: Journal of Agricultural Science Vol. 9 No. 2 (2024): Agustus
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2024.009.2.03

Abstract

     Broccoli (Brassica oleracea var. italica) is a plant with high economic value which is widely cultivated in Indonesia. Due to unfavorable environmental factors and improper cultivation methods, the supply of broccoli fluctuates, thus efforts must be made to boost production by altering the environment, adopting the use of paranets, and choosing the appropriate type. The study was carried out from February to April 2023 at an elevation of 460 meters above sea level in the Jatimulyo experimental field, Faculty of Agriculture, University of Brawijaya, Lowokwaru District, Malang City, East Java. Two treatments variety and shade were used in the study's nested design. Green magic and Lucky are among the primary plot variations, while no shade, 25% shade, 50% shade, and 75% shade are among the subplot variations related to shade.. The findings demonstrated that 25% shade was the ideal amount of cover to provide broccoli plants with the microenvironments they needed to growth and yield. Compared to the Lucky variety, which had a yield loss of 178.91 g.plant-1 (43.62%), the Green Magic variety was more suited to planting on medium plains, which Green magic loss of 22.26 g.plant-1 (6.99%).
Efek Xenia dan Metaxenia pada Persilangan Labu Kuning (Cucurbita maxima Duch) Terhadap Buah dan Biji Arifin, Azeri Gautama; Ainurrohmah, Nurul; Ardiarini, Noer Rahmi; Sugiharto, Arifin Noor
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

Labu kuning memiliki banyak kandungan nutrisi bermanfaat, akan tetapi konsumsinya di Indonesia masih rendah yaitu 5 kg per kapita per tahun dikarenakan labu kurang populer dalam penampilan dan rasa untuk konsumsi sehari-hari. Oleh karena itu dilakukan pendekatan pemuliaan tanaman berupa persilangan untuk memperoleh varietas unggul. Perakitan varietas unggul diawali dengan penentuan tetua unggul. Xenia dan metaxenia memberikan efek secara langsung kepada tetua betina pada karakter buah dan biji sehingga tetua jantan berpotensi dapat ditentukan lebih awal dan mempersingkat waktu pemilihan tetua. Penelitian dilakukan bulan Februari-Juli di greenhouse CV. Blue Akari, Dadaprejo Junrejo Kota Batu. Penelitian dilakukan dengan menanam 6 galur betina yaitu KJ-19, KJ19A, KJ-24, KJ-25, HIB-59, dan JP-70 dan 2 galur jantan yaitu KJ-17 dan JP-F1 pada baris baris. Persilangan dilakukan secara sibmate antar tetua betina, crossing KJ-17 dan JP-F1 yang masing-masing dilakukan pada 6 tanaman. Data hasil pengamatan pada karakter kuantitatif dilakukan analisis menggunakan uji t independen 5%. Karakter kualitatif diskoring kemudian dilakukan analisis deskriptif. Hasil penelitian menunjukkan terdapat efek metaxenia pada karakter buah yaitu diameter buah, bobot buah, tingkat kemanisan warna kulit dan daging buah. Efek xenia pada karakter biji yaitu jumlah biji, biji isi, biji kosong, bobot biji, bobot 100 biji, warna biji, bentuk biji, panjang biji dan lebar biji. Efek xenia dan metaxenia yang muncul menunjukkan bahwa terdapat pengaruh polen tetua jantan terhadap karakter buah dan biji pada tetua betina. 
Diversity of Fruit Flies (Diptera: Tephritidae) Attracted by Methyl Eugenol in Carambola and Papaya Orchads in Malang Regency, East Java, Indonesia Setiawan, Yogo; Hauroinsiyah, Fatimah; Hamdoen, Fadel Muhammad; Devi, Mia Prastika; Tarno, Hagus
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

Fruit flies (Diptera: Tephritidae) are among the significant pests in horticultural commodities. Methyl eugenol has been widely used for the detection, monitoring, and control of fruit fly worldwide. This study aimed to investigate the diversity of fruit flies attracted by methyl eugenol in carambola and papaya orchards in Malang Regency, East Java, Indonesia. Fruit flies were collected using modified plastic bottle traps, which were transformed into the Steiner trap model and attracted by methyl eugenol. The traps were placed in two study sites: papaya and carambola orchards. The results showed that three species of fruit flies were captured using methyl eugenol in this study: B. dorsalis, B. umbrosa, and B. carambolae. The most predominant species were B. dorsalis (86.02%), followed by B. carambolae (11.26%), and B. umbrosa (2.72%). Bactrocera dorsalis was the dominant species at both study sites.
Pengaruh Dosis Pupuk Kandang Sapi dan Pupuk Npk Pada Pertumbuhan dan Hasil Tanaman Bawang Merah (Allium ascalonicum L.) Asal Benih True Shallot Seeds (TSS) Rohma, Ervina Wahidiya; Sumarni, Titin
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

Penggunaan pupuk anorganik secara berlebihan dapat menurunkan kesuburan tanah sehingga berdampak terhadap penurunan produktivitas bawang merah. Oleh karenanya tujuan dari penelitian ini untuk mengetahui interaksi antara pupuk kandang dan pupuk anorganik pada pertumbuhan dan hasil tanaman bawang merah. Penelitian ini menggunakan percobaan faktorial dengan metode Rancangan Acak Kelompok (RAK) yang terdiri 2 faktor dan 3 kali ulangan. Faktor pertama yaitu dosis pupuk kandang terdiri dari 3 taraf, yakni : 0 t ha-1, 10 t ha-1, dan 20 t ha-1. Faktor kedua yakni dosis pupuk NPK anorganik yang terdiri dari 4 taraf, yaitu : dosis pupuk NPK anorganik 100%, dosis pupuk NPK anorganik 80%, dosis pupuk NPK anorganik 60%, dan dosis pupuk NPK anorganik 40%. Hasil penelitian menunjukkan bahwa hasil panen umbi per hektar perlakuan dosis pupuk kandang 0 t ha-1 dengan dosis pupuk NPK anorganik 100% (19,07 t ha-1) tidak berbeda nyata dengan perlakuan dosis pupuk kandang 10 t ha-1 dengan dosis pupuk NPK anorganik 80% (19,32 t ha-1). Sehingga, penggunaan dosis pupuk kandang 10 t ha-1 dapat menurunkan dosis pupuk NPK anorganik sebesar 20%.
Exploration of Pathogenic Microbes and Antagonistic Agents in Apple Production Centers in Malang Regency Abadi, Abdul Latief; Choliq, Fery Abdul; Trianti, Irisa; Maknunin, Lu'lu'il; Yulianti, Novi Dwi
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

The apple farming group is one of the built of Department of Plant Pests and Diseases, Agricultural Faculty, Brawijaya University. In 2019, this departmen received a request from apple farmers in Madiredo Village, Pujon District to held an assistance programs of apple cultivation and environmentally pest control. This is related with the increasing of fruit rot and other diseases which is caused a decrease of apple production especially in Malang Regency. In general, apple farmers still rely on disease control using chemical fungicides which can have a negative impact on the environment and create resistance to pathogenic fungi. Therefore, this research was carried out to explore and study the potential of biological agents in apple production centers in Malang Regency, specifically in Poncokusumo, Pujon, and Batu District on conventional fields and mixed fields. This research was held observationally through fields surveys and farmer interviews, took soil samples and disease samples then then isolating, identifying and testing for antagonism at laboratory. Based on interviews and observation of symptomology, two dominant diseases were found, namely fruit rot disease (Gloeosporium sp.) and marsonina leaf spot disease (Marssonina coronaria). The results of exploration of the rhizospheric apple plants obtained isolates on conventional fields in Kec. Pujon has the highest abundance of fungal colonies compared to other regions. Based on the results of the antagonism test for pathogenic fungi and biological agents, it was found that the isolate codes KH.C, KK.A, JK.B, JK.J, and BK.B had the highest percentage of inhibition or the most effective in controlling the pathogen Gloeosporium sp. So in the next, the species can be identified molecularly.
Sub-Optimal Dry Land Management: Potential for Local Food Cultivation of Dioscorea sp. (Gembili) to mitigate food security in Sukoharjo Regency, Central Java Fitria, Anita Dwy; Helbawanti, Octaviana; Yuliyani, Leny; Nuryaman, Hendar; Hakim, Abdul; Benatar, Gilang Vaza
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

Land in Tawangsari District, Sukoharjo Regency had a limiting factor in the form of water availability. One of the local commodities cultivated for generations on dry land in this region is gembili (Dioscorea sp.). However, the gembili cultivation process has not produced optimal productivity and is threatened with extinction. Therefore, gembili cultivation and use of dry land need to be optimized by carrying out integrated land management. The aim of utilizing dry land is to increase local food production and sustainability as alternative food and maintain national food security. This research was conducted using data on productivity, quantity and type of fertilizer obtained through interviews with gembili farmers and secondary data on soil types obtained from BPP Tawangsari District, Sukoharjo Regency. The results showed that grumusol and lithosol soil types had no significant effect (p > 0.05) on gembili productivity. Providing organic + inorganic fertilizer with giving organic fertilizer without a combination produced values that were not significantly different (p > 0.05). However, the average productivity results were sequentially from grumusol and lithosol (6.1 ton.ha-1 and 7.1 ton.ha-1). Meanwhile, the use of organic fertilizer is 8.06% higher compared to organic fertilizer + inorganic fertilizer. The results of the multiple regression test for organic fertilizer had a significant effect (p < 0.05) on the productivity of Dioscorea sp..
Analisis Dinamika Vegetasi Tumbuhan Bawah (Understorey) di Tegakan Agroforestri dan Monokultur Jati (Tectona grandis) Akibat Perubahan Musim Setiawan, Adi; Kholifah, Izzah Nurul; Ramadhana, Varotama Putra; Aini, Nurul; Umar, Yasa Palaguna
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

ABSTRAKPola tanam dan perbedaan musim memberikan pengaruh pada keanekaragaman dinamika dan komposisi spesies tumbuhan bawah pada tanaman jati (Tectona grandis) yang merupakan tanaman deciduous. Penelitian ini bertujuan untuk mengetahui keragaman spesies, dinamika dan komposisi vegetasi tumbuhan bawah yang ada pada pola tanam agroforestri (AF) dan monoculture (MN) jati pada musim hujan (RS) dan musim kemarau (DS). Survei lapang telah dilaksanakan pada bulan Februari-Maret dan Juli-Agustus 2023 di kawasan hutan produksi jati Perum Perhutani Kecamatan Kalipare, Kabupaten Malang, Jawa Timur. Kami menggunakan frame ukuran 1 x 1 m dan meletakkannya secara sistematis. Total 117 petak diamati yang terbagi menjadi 27 petak untuk AF dan 90 petak untuk MN. Jarak antar Plot adalah 5 m yang di tandai posisinya dengan Global Positioning System (GPS) dan label penanda. Pada tiap plot dilakukan pengamatan dan di catat jenis spesies, persentase tutupan vegetasi serasah dan tanah terbuka serta menghitung Nilai Kesamaan Sorensen (IS). Adapun pengamatan faktor lingkungan meliputi faktor naungan (keterbukaan kanopi) dan air (curah hujan). Kami gunakan kamera hemisperical lens (Samsung gear 360°) yang diambil 1 m di atas titik petak kemudian dianalisis menggunakan GLA 2.0 untuk memperoleh keterbukaan canopy. Faktor curah hujan di peroleh dari data Stasiun klimatologi setempat. Hasil penelitian menunjukkan terdapat perbedaan spesies tumbuhan bawah di AF dan MN jati. Komposisi tumbuhan bawah MN meliputi 49 spesies dari 23 famili sedangkan di AF terdapat 35 spesies dari 16 famili. Vegetasi pada AF dan MN jati memiliki komposisi dan struktur yang berbeda. MN jati pada MK memiliki keragaman yang lebih tinggi dibanding pola tanaman AF karena AF di wilayah tersebut lebih mirip monokultur tanaman semusim yang intensif. Faktor keterbukaan kanopi dan curah hujan memiliki pengaruh signifikan terhadap tutupan vegetasi
Selection of Sweet Corn Inbred Lines by Agronomic Performance to Determining Hybrid Parents Suyadi, Suyadi; Arifin, Azeri Gautama; Kurniawan, Andi
Plantropica: Journal of Agricultural Science Vol. 9 No. 1 (2024)
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

The development of hybrid sweet corn varieties involves the selection of parental lines with specific traits to ensure good yield potential. The selection of inbred lines of sweet corn is a critical aspect of breeding programs aimed at developing improved varieties. This research will provide useful information of sweet corn inbreed lines have the potential to be developed as parent lines in the development of hybrid varieties. The study utilized 24 inbred lines (G1-G24) of sweet corn and employed a Randomized Complete Block Design (RCBD). Data analysis involved the use of analysis of variance with a 5% significance level, path and dendrogram analysis. Based on the analysis of 24 inbreed line of sweet corn, the potential for selecting parents based on quantitative traits influencing the outcome is evident in inbreed line G18, G12, G4, G23, and G20. Identification of these potential parents is essential for the genetic improvement of the population. The correlation heatmap data indicates a 41% correlation between the number of rows and cob stag length, and correlation between number of rows and ear diameter by 48%. The path diagram indicates that fresh weight, a crucial measure of crop yield, is strongly influenced by several agronomic traits, including plant height, ear length, ear diameter, dry weight, number of plants, row length, brix, and ear stalk. G24 can indeed be used as one of the parents with other group in hybrid breeding programs.
Morphology and Anatomy of Andong Plant Cultivars (Cordyline fruticose (L.) A. Chev.) As Plants that Adsorb and Absorb Motor Vehicle Lead Emissions Taihuttu, Hermina Neltje; Ariffin, Arifin; Nihayati, Ellis; Sitawati, Sitawati
Plantropica: Journal of Agricultural Science Vol. 9 No. 2 (2024): Agustus
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.jpt.2024.009.2.04

Abstract

Motorized vehicles contribute to air pollution containing lead. The ability of leaves to absorb pollutants is influenced by leaf characteristics. Stomata are one of the entry points for pollutants, especially from the air, such as lead. The research aims to: obtain information about morphological and anatomical characters and compare between cultivars. Using exploration and characterization methods. Leaf morphology, based on observations of color, shape and size, is different Winnie Gold cultivar has length, L/W, width, Miss Andrea cultivar has higher width, lower L/W. The H. Bonsai cultivar has lower length, width, leaf area than the other 5 cultivars.The anatomy of andong leaves is based on observations of stomata, the same, hypostomatic/abaxial and actinocytic types. The Fire Brand cultivar has a higher number, density, lower width, the H. Bonsai cultivar has a higher length, higher width, lower number, density, the Miss Andrea cultivar has a lower length than the other 5 cultivars.
Exploration of Symbiotic Bacteria with the Potential to Degrade Chlorpyrifos Insecticide in the Digestive Tract of the Beet Armyworm (Spodoptera exigua) (Lepidoptera: Noctuidae) in Shallot Fields, Probolinggo SyamsulHadi, Mochammad; Restikasari, Viera Annisa; Taufiqurrahman, Achmad Fitriadi; Widjayanti, Tita
Plantropica: Journal of Agricultural Science Vol. 9 No. 2 (2024): Agustus
Publisher : Department of Agronomy, Faculty of Agriculture, Brawijaya University

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Abstract

The beet armyworm, Spodoptera exigua is a notorious pest that inflicts significant damage to shallot crops, especially leeks, causing leaves to wither due to brown spots and transparency. This issue often leads to excessive chemical control measures, which, in turn, promote insecticide resistance. This study hypothesized that symbiotic bacteria within S.exigua have the capacity to degrade chlorpyrifos-based insecticides. S.exigua samples were collected in Dringu, Gending, and Leces districts, Probolinggo, and subsequently examined for symbiotic bacteria with biodegradation potential. Bacterial exploration and identification were conducted from April to October 2023 at the Pesticide Toxicology Laboratory, Brawijaya University. The study analyzed the clear zone diameter produced by bacteria in media contaminated with chlorpyrifos-based insecticides as an indicator of biodegradation. Out of 41 surviving bacterial isolates, 10 demonstrated notable biodegradation capabilities. The Genus identification revealed that Erwinia sp., Pantoea sp., and Coryneform sp. were among the contributing bacteria. This research emphasizes the potential role of S.exigua-associated symbiotic bacteria in managing chlorpyrifos-resistant pest populations, offering a promising avenue for sustainable pest control methods.

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