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Ni Luh Watiniasih
PS Biologi FMIPA UNUD
Biochemistry, Genetics & Molecular Biology

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KEANEKARAGAMAN CAPUNG (ORDO: ODONATA) DI KAWASAN WISATA SEMARA RATIH DESA TARO, GIANYAR-BALI Tresia Uliani Purba; Ni Made Suartini; Ni Luh Watiniasih
SIMBIOSIS Simbiosis Volume 12 No. 1 2024
Publisher : Program Studi Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2024.v12.i01.p02

Abstract

Dragonfly is an insect with an interesting morphology and is often found in areas that are still beautiful and unpolluted, making it an environmental bioindicator.. This research was conducted to determine the diversity of dragonfly species and environmental factors that could influence their existence. The study was carried out in January-February 2023 using the exploratory method. Samples were taken from three station points in the morning and evening five times. The captured dragonfly samples were then identified by observing their morphological characters such as body shape, color pattern on the thorax and abdomen, wing venation, and wing color pattern. Environmental factors of temperature, humidity and altitude where measured every sampling site. The results obtain ten species of dragonflies were found, namely Copera marginipes, Agriocnemis pygmaea, Agriocnemis femina, Ischnura senegalensis, Orthetrum testaceum, Orthetrum sabina, Potamarcha congener, Neurothemis ramburii, Neurothemis terminata. The diversity index obtained was in the medium category with almost even distribution and no dominating species were found. Environmental conditions support the existence of dragonflies in Semara Ratih, Taro Tourism Village, Gianyar-Bali so that in the future it can be used as a tourist attraction in the area. Keywords: dragonfly, identification, morphological characters, habitat, Taro
KARAKTERISASI MORFOLOGI TANAMAN KAKAO (Theobroma cacao L.) DAN HAMA YANG DITEMUKAN DI PT. PERKEBUNAN NUSANTARA XII BANYUWANGI Alfin Fauziah Safitri; Ni Luh Watiniasih; Ni Made Suartini
SIMBIOSIS Simbiosis Volume 12 No. 2 2024
Publisher : Program Studi Biologi Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JSIMBIOSIS.2024.v12.i02.p04

Abstract

Cocoa (Theobroma cacao L.) is a commodity that has an important role in economic growth in Indonesia. Cacao cultivation business often experiences various obstacles, such as pest and disease attacks and the use of planting materials that have not been certified. The aims of this study were to determine the variations in the morphological characters of the cocoa plants and to identify the pests found and the kinship relationships among the cocoa plants. Research conducted at PT. Perkebunan Nusantara XII Kebun Kendenglembu Banyuwangi, East Java. Collecting data by conducting interviews, observation, document-tation, and literature study. Characterization was carried out on the leaves, flowers, fruits and stems of the cocoa plant, as well as observing the symptoms of damage caused by pests to the cocoa plant. The six cocoa clones had different morphological characteristics in fruit length, fruit circumference, thickness of the sclerotic layer, thickness of the inner groove of the fruit, thickness of the outer groove of the fruit, leaf length, leaf width, petiole length, and stem circumference. The six cocoa clones can be grouped into two groups where the clones in one group are thought to have a close kinship relationship because they are in the same lineage and based on the similarity of the morphological characters of the fruit. The pests found were fruit-sucking ladybugs, caterpillars, mealybugs, squirrels and slugs.
Co-Authors Alfin Fauziah Safitri Ni Made Suartini Tresia Uliani Purba