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  • 1
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    MtCOI DNA sequences from Sycanus aurantiacus (Hemiptera: Heteroptera: Reduviidae) provide evidence of a possible new harpactorine species from Bali, Indonesia
    Entomological Society of Indonesia/Perhimpunan Entomologi Indonesia ; 2021
    In:  Jurnal Entomologi Indonesia Vol. 18, No. 1 ( 2021-06-07), p. 74-
    Details
    In: Jurnal Entomologi Indonesia, Entomological Society of Indonesia/Perhimpunan Entomologi Indonesia, Vol. 18, No. 1 ( 2021-06-07), p. 74-
    Abstract: Sycanus aurantiacus Ishikawa & Okajima, found in Bali, was first described in 2007 as a new harpactorine species based on morphological and biological characteristics; however, its genome has not yet been sequenced. In this study, we examine the mitochondrial cytochrome oxidase subunit I (MtCOI) nucleotide sequence of S. aurantiacus in order to determine whether it represents a new harpactorine species. A sample from Pancasari, Bali, Indonesia was collected at the same location S. aurantiacus was first discovered in 2007. The selected mtCOI gene (650 bp) was successfully amplified using mtCOI primer pairs LCO1490 and HCO2198, and the resulting MtCOI sequence of the S. aurantiacus sample was compared with those from other hapactorine species recorded in GenBank. This comparison revealed low genetic similarity between S. aurantiacus and most other harpactorine species worldwide, except for the Genus Sycanus (JQ888697) from USA whose mtCOI shares approximately 91% similarity with the Pancasari sample. Phylogenetic analysis indicated a close genetic relationship between Sycanus from Bali and the Genus Sycanus (JQ888697) from the USA. The mtCOI sequence of S. aurantiacus had not been recorded previously, and our comparison with existing Sycanus sequences provides support to the understanding that S. aurantiacus is indeed its own species.
    Type of Medium: Online Resource
    ISSN: 2089-0257 , 1829-7722
    URL: Issue
    URL: Article
    DOI: 10.5994/jei.18.1
    DOI: 10.5994/jei.18.1.74
    Language: Unknown
    Publisher: Entomological Society of Indonesia/Perhimpunan Entomologi Indonesia
    Publication Date: 2021
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  • 2
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    Online Resource
    Evaluation of the sustainability of groundwater irrigation development in Tejakula and Kubu Districts
    Scientific and Literature Open Access Publishing ; 2023
    In:  International journal of business, economics & management Vol. 6, No. 3 ( 2023-09-20), p. 263-275
    Details
    In: International journal of business, economics & management, Scientific and Literature Open Access Publishing, Vol. 6, No. 3 ( 2023-09-20), p. 263-275
    Abstract: The Sustainable Agricultural Irrigation Development Project in Buleleng and Karangasem (SDIABKA) is project activities aim to increase community access to irrigation infrastructure and facilities needed to support increased agricultural productivity and food subregional security in north-east Bali. Institutional developmentof tubwell users group (TUG) have been carried out which in turn will be able to support the management of efficient and sustainable groundwater irrigation facilities both economically and environmentally.It is very important to be known the sustainability of the project such as: Financial independence of the irrigation system, irrigation water supply, and the sustainability status. This valuable experience of developing groundwater irrigation is useful for lesson learned. The target population in this study is 24 SDIABKA TUGs. The TUGs located is in 9 villages in Tejakula and 3 villages in Kubu District.
    Type of Medium: Online Resource
    ISSN: 2632-9476
    URL: Issue
    URL: Article
    DOI: 10.21744/ijbem.v6n3.2023
    DOI: 10.21744/ijbem.v6n3.2194
    Language: Unknown
    Publisher: Scientific and Literature Open Access Publishing
    Publication Date: 2023
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  • 3
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    Insidensi Serangan dan Perkembangan Populasi Hama Invasif, Spodoptera frugiperda (J. E Smith) (Lepidoptera: Noctuidae) pada Tanaman Jagung dan Sorgum di Bali
    Universitas Udayana ; 2022
    In:  Agrotrop : Journal on Agriculture Science Vol. 12, No. 1 ( 2022-05-31), p. 1-
    Details
    In: Agrotrop : Journal on Agriculture Science, Universitas Udayana, Vol. 12, No. 1 ( 2022-05-31), p. 1-
    Abstract: Incidence of Attacks and Population Development of Invasive Pests, Spodoptera frugiperda (J.E Smith) (Lepidoptera: Noctuidae) on Corn and Sorghum Crops in Bali.  Spodoptera frugiperda is known as an invasive pest which now become important pest on corn crops in Indonesia and Bali in particular, but in this study the Spodoptera frugiperda was also found to attack sorghum. This study used purposive survey method and on land that had been fixed. Plant sampling was carried out in all regencies of Bali Province by means of diagonal sampling. The size of unit sample was 2 x 2m and the number of plants observed was 20 plants. The results of this study showed that the incidence of S. frugiperda attack has been observed on plant beds in all districts/cities in Bali which is indicated by symptoms of attack and abundance of S. frugiperda population on corn and sorghum in the field. The highest abundance of S. frugiperda larvae population was in sweet corn in Klungkung Regency as much as 38.67 heads, and the lowest was in sorghum numbu in Tabanan Regency as many as 27.00 individuals per observation plot. Population development of egg groups was found in plants aged 1 (MST) while larvae of S. frugiperda showed the same pattern in sweet corn, sticky rice and pipil plants and the peak of larval population occurred in plants aged 4 WATS respectively. While the peak population of larvae in sorghum plants occurred at 5 WAP and imago populations in sweet corn were found in sweet corn plants at 2 WAP and glutinous corn at 4 WAP. The highest percentage of S. frugiperda attack was on sweet corn with an average attack of 43% per observation plot and the lowest on sorghum numbu with an average of 25% per observation plot.
    Type of Medium: Online Resource
    ISSN: 2654-4008 , 2088-155X
    URL: Issue
    URL: Article
    DOI: 10.24843/AJoAS.2022.v12.i01
    DOI: 10.24843/AJoAS.2022.v12.i01.p01
    Language: Unknown
    Publisher: Universitas Udayana
    Publication Date: 2022
    detail.hit.zdb_id: 2939351-6
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  • 4
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    Online Resource
    Induced Mutagenesis in Yellow Flowering Marigold with Colchicine in Hydrogen Peroxide
    Universitas Udayana ; 2020
    In:  Advances in Tropical Biodiversity and Environmental Sciences Vol. 4, No. 2 ( 2020-09-30), p. 44-
    Details
    In: Advances in Tropical Biodiversity and Environmental Sciences, Universitas Udayana, Vol. 4, No. 2 ( 2020-09-30), p. 44-
    Abstract: Marigold flower has many benefits in many aspects of life in Bali Island (Indonesia) including often used in religious ceremonial activities. For controlling plant pests and diseases, marigold is planted on the sidelines or on the edge of a land as an attractant crop to invite natural enemies and marigold also can produce certain substance which can reduce the incidence of nematode. In inducing mutagenesis in this research, the seeds of marigold were soaked in solution of colchicine with hydrogen peroxide as its solvent. The results of this research indicated that the treatments caused the formation of chlorophyll mutant and an increase in the length of flower diameter. Both the control and treated plant samples were attacked by leaf miner, giant land snail, virus-like disease and botrytis flower blight disease.
    Type of Medium: Online Resource
    ISSN: 2622-0628 , 2549-6980
    URL: Issue
    URL: Article
    DOI: 10.24843/ATBES.2020.v04.i02
    DOI: 10.24843/ATBES.2020.v04.i02.p04
    Language: Unknown
    Publisher: Universitas Udayana
    Publication Date: 2020
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  • 5
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    Dinamika Populasi Diaphorina citri Kuwayama (Homoptera: Psyllidae) dan Deteksi CVPD dengan Teknik PCR
    Entomological Society of Indonesia/Perhimpunan Entomologi Indonesia ; 2015
    In:  Jurnal Entomologi Indonesia Vol. 7, No. 2 ( 2015-09-28), p. 78-
    Details
    In: Jurnal Entomologi Indonesia, Entomological Society of Indonesia/Perhimpunan Entomologi Indonesia, Vol. 7, No. 2 ( 2015-09-28), p. 78-
    Abstract: The research was conducted in the field of Taro village Gianyar regency and Katung village Bangli regency and at the Laboratory of Biotechnology Faculty of Agricultural Udayana University. The purpose of the research were to investigate population dynamic of Diaphorina citri Kuwayama and other insects that were assosiated with citrus cv. siam; and molecular detection of CVPD patogen in its vector, other phytophagous insects on citrus cv.siam and kemuning [Murraya paniculata (L.) Jack.] The result of this study showed that in six month period there was one peak of D. citri population which was associated with the flushing period of citrus at Taro as well Katung villages. The peak of D. citri population of Taro village was higher than that of Katung village. Two species of parasitoids and four spesies of predators were found in the field and may contribute in the suppression of D. citri population. The parasitoids identified were Tamarixia radiata Wat. and Diaphorencyrtus alligharensi Shaffe, whereas the predators were Curinus coeruleus Mulsant, Phiddipus sp., Menochilus sexmaculatus Fabricius and Oxyopes javanus Thorell. T. radiata has been proven to be an effective nymph parasitoid that could suppress the population development of D. citri in citrus orchads. The research revealed that kemuning could serve as a source of infection because it is also a host of CVPD disease as well as of D. citri. Toxoptera citricidus Kirkaldy and Maleuterpes dentipes Hell. were not proven to contain CVPD disease.
    Type of Medium: Online Resource
    ISSN: 2089-0257 , 1829-7722
    URL: Article
    DOI: 10.5994/jei.7.2.78
    Language: Unknown
    Publisher: Entomological Society of Indonesia/Perhimpunan Entomologi Indonesia
    Publication Date: 2015
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  • 6
    Online Resource
    Online Resource
    Populasi Thrips parvispinus Karny (Thysanoptera: Thripidae) pada bunga tanaman cabai besar di Bali
    University of Trunojoyo Madura ; 2022
    In:  Agrovigor: Jurnal Agroekoteknologi Vol. 15, No. 1 ( 2022-03-31), p. 6-9
    Details
    In: Agrovigor: Jurnal Agroekoteknologi, University of Trunojoyo Madura, Vol. 15, No. 1 ( 2022-03-31), p. 6-9
    Abstract: Serangga hama Thrips parvispinus Karny (Thysanoptera: Thripidae) ditemukan paling dominan menyerang tanaman cabai besar. Serangga ini dapat ditemukan pada semua bagian tanaman cabai, terutama pada bunga dan daun. Serangan berat T. parvispinus pada tanaman cabai besar dapat menyebabkan daun mengalami bercak keperakan hingga kecoklatan dan mengeriting ke arah atas sedangkan bunga yang terserang akan layu dan akhirnya gugur. Tujuan penelitian ini untuk mengetahui populasi nimfa dan imago yang menyerang bunga tanaman cabai besar di Desa Sedang Banjar Belang Kecamatan Abiansemal Kabupaten Badung Bali. Analisis dilakukan di Laboratorium Pengelolaan hama dan Penyakit Fakultas Pertanian Universitas Udayana. Metode yang digunakan adalah survei lapangan dan mengambil sampel tanaman secara diagonal. Hasil penelitian menunjukkan bahwa rerata jumlah populasi imago T. parvispinus selalu paling tinggi pada setiap hari pengamatan dibandingkan dengan populasi nimfa pada bunga tanaman cabai besar. Rerata penurunan populasi imago T. parvispinus mulai terjadi pada pengamatan hari ke-5 hingga hari ke-7. Puncak populasi imago tertinggi terjadi pada hari ke-1 (112,5 ekor) dan populasi terendah terjadi pada pengamatan hari ke-7 (60,75 ekor).
    Type of Medium: Online Resource
    ISSN: 2477-0353 , 1979-5777
    URL: Issue
    URL: Article
    DOI: 10.21107/agrovigor.v15i1
    DOI: 10.21107/agrovigor.v15i1.9237
    Language: Unknown
    Publisher: University of Trunojoyo Madura
    Publication Date: 2022
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  • 7
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    Short Communication: Silba adipata (Diptera: Lonchaeidae) parasitoids on cayenne pepper (Capsicum frutescens) in Bali, Indonesia
    UNS Solo ; 2021
    In:  Biodiversitas Journal of Biological Diversity Vol. 22, No. 9 ( 2021-08-29)
    Details
    In: Biodiversitas Journal of Biological Diversity, UNS Solo, Vol. 22, No. 9 ( 2021-08-29)
    Abstract: Abstract. Yuliadhi KA, Supartha IW, Darmiati NN, Bangun A, Yudha IKW, Utama IWEK, Wiradana PA. 2021. Silba adipata (Diptera: Lonchaeidae) parasitoids on cayenne pepper (Capsicum frutescens) in Bali, Indonesia. Biodiversitas 22: 3929-3935. The black fig fly (Silba adipata) is newly emerging pests that attack cayenne pepper (Capsicum frutescens L.) plants in Bali Province, Indonesia. This study aimed to determine the parasitoid type, community structure, distribution, and parasitization rate of the parasitoids of S. adipata on cayenne pepper in Bali. The sampling method employed in this study involves purposive sampling techniques on 100-150 pieces of cayenne pepper infested with S. adipata at each location point, with the emerging parasitoids identified morphologically. Three types of parasitoid species were associated with S. adipata, which include Asobara japonica Belokobylskij, Fopius arisanus (Sonan), and Diachasmimorpha longicaudata (Ashmead). The parasitoid community structure associated with S. adipata had a low abundance index, low diversity index, and a moderate dominance index. Based on the distribution of the three parasitoids, D. longicaudata is distributed evenly in Bali, whereas F. arisanus was not found in Jembrana . Conversely, A. japonica was only found in Badung, Bangli, Gianyar, and Klungkung. As summary, D. laungicaudata had the highest parasitization rate compared to the F. arisanus and A. japonica. D. longicaudata is a potential parasitoid, which can be studied for the future biological control of S. adipata.
    Type of Medium: Online Resource
    ISSN: 2085-4722 , 1412-033X
    URL: Article
    DOI: 10.13057/biodiv/d220939
    Language: Unknown
    Publisher: UNS Solo
    Publication Date: 2021
    detail.hit.zdb_id: 2660049-3
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  • 8
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    Distribution and molecular characterization of Squash mosaic virus on cucumber in Gianyar, Bali
    Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Lampung ; 2022
    In:  Jurnal Hama dan Penyakit Tumbuhan Tropika Vol. 22, No. 1 ( 2022-03-24), p. 48-54
    Details
    In: Jurnal Hama dan Penyakit Tumbuhan Tropika, Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Lampung, Vol. 22, No. 1 ( 2022-03-24), p. 48-54
    Abstract: Squash mosaic virus (SqMV) has been reported to infect cucumber plants in Java and cause a decrease in fruit quality and quantity. Until now, there is no information regarding Sqmv infection in Cucurbitaceae in Bali. In a preliminary research conducted during 2020, we found mosaic symptoms in Gianyar, Bali. SqMV was inferred to be the possible cause of the virus-disease-like symptoms. The study aimed to determine the precence of SqMV in Gianyar, Bali and to obtain information related to its molecular character. This research method includes surveys, field observations, virus identification by RT-PCR, and DNA analysis. Severe disease incidence caused by SqMV was observed on cucumber cultivation in Gianyar that was in the range of 5.81–66.87%. PCR using specific primer for coat protein (CP) gene of SqMV was successfully amplified the DNA fragments of ± 582 bp on samples from Payangan, Tegallalang, Ubud, Sukawati, Blahbatuh, and Gianyar districts, except for samples from Tampaksiring. This indicates that the presence of SqMV is widespread in Java and Gianyar.The SqMV isolate from Bali had the highest nucleotide homology at 91.9–93.4% and amino acids 94.0–94.5 and was closely related to the Brazil isolate (KT923125) and had lower isolate homology than other countries (China, Trinidad, Spain, Japan, Arizona, Cekoslowakia, and Australia). It proved that those mosaic symptoms on cucumber is associated with SqMV infection. SqMV is classified as a quarantine organism of category A2, so it is necessary to prevent its spread to other areas.
    Type of Medium: Online Resource
    ISSN: 2461-0399 , 1411-7525
    URL: Article
    DOI: 10.23960/jhptt.12248-54
    Language: Unknown
    Publisher: Lembaga Penelitian dan Pengabdian kepada Masyarakat Universitas Lampung
    Publication Date: 2022
    detail.hit.zdb_id: 3069962-9
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  • 9
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    The response of sycanus aurantiacus ishikawa et okajima (hemiptera: reduviidae) to color polymorphisms larvae of spodoptera exigua (hubner) (lepidoptera: noctuidae)
    Universidad Tecnica de Manabi ; 2020
    In:  International journal of life sciences Vol. 4, No. 2 ( 2020-08-23), p. 42-51
    Details
    In: International journal of life sciences, Universidad Tecnica de Manabi, Vol. 4, No. 2 ( 2020-08-23), p. 42-51
    Abstract: his study aims to evaluate the predatory behavior, preference and functional response of S. aurantiacus in color polymorphism larvae of S. exigua. The predatory behavior and preference test of S. aurantiacus  using green and dark brown color larvae  of S. exigua. Functional response test was carried out with 5 treatments of larvae population density with 10 replications. The results showed that S. aurantiacus prefers to dark brown larvae of S. exigua than green. The time taken by predators to find the first and subsequent prey was faster in dark brown larvae than in green, both on low or high larval density. The search time for the first prey on dark brown larvae was 22.7 minutes (at high density) and 39.3 minutes (at low density) while those on green larvae were 26.5 minutes and 42.7 minutes. S. aurantiacus showed type-II functional response to the density rate of S. exigua larvae both dark brown and green with the line equation respectively Y = 1,284x / 1 + 0,056x; R2: 0.96; a: 0,107; Th: 0.52 (dark brown larvae) Y = 1.32x / 1 + 0.063x; R²: 0.952; a: 0,109; Th: 0.58 (green larvae). 
    Type of Medium: Online Resource
    ISSN: 2550-6986 , 2550-6994
    URL: Article
    DOI: 10.29332/ijls.v4n2.438
    Language: Unknown
    Publisher: Universidad Tecnica de Manabi
    Publication Date: 2020
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  • 10
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    Short communication: The preference and functional response of Sycanus aurantiacus (Hemiptera: Heteroptera: Reduviidae) on three prey types in laboratory conditions
    UNS Solo ; 2021
    In:  Biodiversitas Journal of Biological Diversity Vol. 22, No. 12 ( 2021-12-07)
    Details
    In: Biodiversitas Journal of Biological Diversity, UNS Solo, Vol. 22, No. 12 ( 2021-12-07)
    Abstract: Abstract. Yuliadhi KA, Supartha IW, Wijaya IN, Pudjianto, Nurmansyah A, Susila IW, Yudha IKW, Utama IWEK, Wiradana PA. 2021. Short communication: The preference and functional response of Sycanus aurantiacus (Hemiptera: Heteroptera: Reduviidae) on three prey types in laboratory conditions. Biodiversitas 22: 5662-5667. Sycanus aurantiacus Ishikawa et Okajima (Hemiptera: Heteroptera) is a valuable predatory insect that can be cultivated in biological pest control programs, particularly in vegetable crops. The research aimed to investigate the preferences and functional responses of the predator Sycanus aurantiacus to three different prey species in the laboratory conditions, included Plutella xylostella (Linnaeus), Crocidolomia pavonana (Fabricius), and Tenebrio molitor (Linnaeus). The preference experiment was carried out by monitoring the prey on which S. aurantiacus preyed the most. The functional responsiveness of S. aurantiacus was determined by measuring the time it took to detect and prey on various kinds of prey, as well as the number of prey that were successfully preyed upon when the quantity of prey was increased. The predatory S. aurantiacus preferred P. xylostella over C. pavonana and T. molitor. S. aurantiacus functional response to three kinds of prey, including type II, is shown. In P. xylostella, the instantaneous prey search rate (a) was 0.2/hour, with a handling time (Th) of 1 hour 40 minutes/prey, which was quicker than the other two kinds of prey. As a result of our findings, the predator S. aurantiacus can be maintained in the lab and has the potential to be developed as an efficient biocontrol agent, particularly against the cabbage leaf caterpillar P. xylostella.
    Type of Medium: Online Resource
    ISSN: 2085-4722 , 1412-033X
    URL: Article
    DOI: 10.13057/biodiv/d221252
    Language: Unknown
    Publisher: UNS Solo
    Publication Date: 2021
    detail.hit.zdb_id: 2660049-3
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