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Kleden, Yasinta L
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology

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IDENTIFIKASI KUTU PUTIH PADA TANAMAN PISANG KEPOK (Musa acuminata) DI BAKUNASE KECAMATAN KOTA RADJA, KOTA KUPANG Efantry, Febrianus; Ludji, Rika; Nahas, Agustina E; Kleden, Yasinta L
JURNAL AGRISA Vol 14 No 1 (2025): Jurnal Agrisa
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/agrisa.v14i1.14173

Abstract

This research aims to identify mealybugs and to determine the symptoms of damage caused by mealybugs on Kepok banana plants in Bakunase Village, Kota Radja District, Kupang City. This research uses a survey method with direct observation techniques on banana plants. Data collection was carried out by directly observing banana plantations, then identified at the Plant Pest Laboratory, Faculty of Agriculture, Nusa Cendana University. The variables observed were the population of mealybugs found, the morphological characteristics of mealybugs, and the intensity of damage. The research results showed that the mealybug species found were Planococcus citri, Pseudococus jackbeardsleyi and Paracoccus marginatus. With the respective averages being Planococcus citri 20.5, Pseudococus jackbeardsleyi 18.62, Paracoccus marginatus 17.12. Symptoms of damage due to attacks caused by the three species of mealybugs are characterized by the skin of the fruit becoming dry and apart from that the fruit also becoming dirty and black in color. The intensity of damage increased every week with the highest percentage of damage occurring in the second week to the third week, namely 2.77%, and the lowest percentage of damage was in the seventh week to the eighth week, namely 0.1%.
Keanekaragaman Serangga Hama dan Musuh Alami pada Tanaman Buncis (Phaseolus Vulgaris L.) di Desa Cumbi, Kecamatan Ruteng, Kabupaten Manggarai Teka, Emanuel; Kleden, Yasinta L; Nahas, Agustina E; Ludji, Rika
JURNAL AGRISA Vol 14 No 1 (2025): Jurnal Agrisa
Publisher : Program Studi Agroteknologi, Fakultas Pertanian, Universitas Nusa Cendana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35508/agrisa.v14i1.14994

Abstract

This research aims to determine the diversity of insect pests and natural enemies on bean plants (Phaseolus vulgaris L.) in Cumbi Village, Ruteng Subdistrict, Manggarai Regency from April to May 2023. The method method used in this research is survey method with direct observation technique on bean plants and sampling from various traps. sampling of various traps. The types of traps used in this study were (yellow sticky traps), (pitfall traps) and (swepnet traps). Observations were made every week starting from plant one week after planting until harvest. Insects found in the field were identified at the Plant Pest Laboratory, Faculty of Agriculture, Nusa Cendana University. The results of the study found 5 species of insect pests on bean plants, namely Oxya chinensis, Locustana pardalina, Malacosoma americanum, Stethorus picipes and Planococcus citri; and 3 species of natural enemies, namely Podisus maculiventris, Arikus cristatus and Calliphora vomitoria. The diversity of insect pests on bean plants in the research location is categorized as medium with an index value of 1.56451 and the diversity of natural enemies is categorized as low with an index value of 1.09281.
Co-Authors Efantry, Febrianus Ludji, Rika Nahas, Agustina E Teka, Emanuel