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Association between Predatory Arthropods and Weeds on Sugarcane Plants Devi, Mia Prastika; Rahardjo, Bambang Tri; Tarno, Hagus
Research Journal of Life Science Vol 9, No 3 (2022)
Publisher : Direktorat Riset dan Pengabdian Masyarakat, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.rjls.2022.009.03.4

Abstract

While a large number of farmers in the tropics consider weeds to be just a nuisance, some weeds can potentially have benefits for cultivated crops. Weeds around cultivated plants can act as a biocide, soil improvement, and a food source for humans and animals, as well as a habitat for some insects. Based on the regression analysist, weed density has a relationship to the diversity of predatory arthropod species (R2= 0.026; P<0.001) and the abundance of individual predatory arthropods (R2= 0.010; P<0.001). Beneficial weeds around sugarcane plantations create mutually beneficial interactions. Weeds can be used as a place to live, reproduce, and produce nutrients for predatory arthropods. Research on the role of weeds against natural enemies from predators in sugarcane agroecosystems is also rarely studied. In this study, the focus was on the association of weeds with the diversity and abundance of predatory arthropods in the sugarcane agroecosystem.
Development Planning Study of Oil Palm in Malang Regency Tarno, Hagus; Nugroho, Agus; Devi, Mia Prastika; Yahya, Minhajul Qowim; Karuniawan, Anggik; Anggraeni, Alifia Nurma; Wicaksono, Karuniawan Puji; Hermawan, Romy; Meinardhy, Ricky; Ramayanti, Kinta; Pamungkasih, Estri; Ristanti, Rahmadina Fitria; Wahyudie, Diyan Eko; Arin, Iftita Yustitia
Journal of Innovation and Applied Technology Vol 11, No 1 (2025)
Publisher : Lembaga Penelitian dan Pengabdian Kepada Masyarakat Universitas Brawijaya

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Abstract

Malang District, East Java, presents significant potential for the development of oil palm plantations due to its favorable climate and land conditions. Indonesia, as the world's largest producer of palm oil, benefits from this industry, which contributes notably to its GDP and job creation. This study aims to provide a comprehensive development plan for oil palm in Malang District, incorporating environmental, economic, and social considerations. A participatory, data-driven approach was employed, combining field surveys, stakeholder interviews, and GIS mapping to assess land suitability, market dynamics, and environmental risks. The study's findings highlight the potential for enhancing oil palm productivity while addressing environmental and social concerns through sustainable practices and certifications like ISPO and RSPO. Economic analysis demonstrates the profitability of integrated oil palm management, with recommendations for improving operational efficiency, waste management, and market access. 
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.