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All Journal Agrotrop : Journal on Agriculture Science SOCA: Jurnal Sosial Ekonomi Pertanian Jurnal Kimia (Journal of Chemistry) International Journal of Biosciences and Biotechnology Buletin Udayana Mengabdi Jurnal SPEKTRUM Journal of Agricultural Science and Biotechnology E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Jurnal Ekonomi dan Bisnis Jagaditha Agrovigor: Jurnal Agroekoteknologi Jurnal Perlindungan Tanaman Indonesia Journal of Tropical Biodiversity and Biotechnology JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA AGROMIX Jurnal Entomologi Indonesia Jurnal Widya Biologi Agrica: Journal of Sustainable Dryland Agriculture SEAS (Sustainable Environment Agricultural Science) Journal of Sustainable Development Science
I Putu Sudiarta
Magister Of Agricultural Biotechnology, Faculty Of Agriculture Of Udayana University, Jl. PB. Sudirman, Denpasar 80231 Bali
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Efektivitas Trichoderma sp. yang Ditambahkan pada Kompos Daun untuk Pengendalian Penyakit Layu Fusarium pada Tanaman Stroberi (Fragaria sp.) di Desa Pancasari Kabupaten Buleleng SONIA ASHA HASARI; I GEDE RAI MAYA TEMAJA; I PUTU SUDIARTA; GUSTI NGURAH ALIT SUSANTA WIRYA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.3, Juli 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Affectivity of Trichoderma sp. that Added in Leaf Compost to Control Fusarium Wilt Diseases on Strawberry Plants (Fragaria sp.) in Pancasari Village Buleleng RegencyThis research purpose in order to find the best concentrations of Trichoderma sp. which is added into the leaf compost to control fusarium wilt disease on strawberry plant. This research was conducted on December 2017 to March 2018 in Plant Diseases Laboratory of Udayana University and Pancasari Village, Sukasada District, Buleleng Regency. The experimental design used a Randomized Block Design (RBD) with six treatments and four replications, for each treatment consists of ten plant units. Observation variables in this research are disease percentage, Trichoderma sp. population on the ground, plant height, yield, and the weight of plants. The results showed that Trichoderma sp. treatment which were added into leaf compost is more effective to control the fusarium wilt diseases on strawberry plants rather than control treatments. P5 is the best treatment as it has the lowest disease percentage for around 20%, stimulate the highest growth of the plants into 25.8 cm, and has the highest yields 187 g.
Identifikasi Morfologi Jamur Kontaminan pada Naskah Lontar I KOMANG VIDIA DHARMA TARO PUTRA; I PUTU SUDIARTA; NI WAYAN SUNITI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.10, No.4, Oktober 2021
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Morphological Identification of Fungal Contaminant in Lontar Manuscripts The lontar manuscript is a cultural heritage of Balinese ancestors that contains knowledge that includes mantras, traditional medicine, songs and religious history. The physical condition of the lontar manuscript is very susceptible to being damaged by fungi. The fungus that grows on lontar manuscripts is thought to be of the species: Fusarium, Penicillium, and Aspergillus flavus. The purpose of this study was to determine the type of fungus that attacks lontar palm. The study began with sterilization of the instrument, manufacture of PDA media, isolation of pathogenic fungi, Koch's postulate test on palm lontar manuscripts, identification of morphology. The results showed that the fungus contained in the lontar manuscript is a type of fungus Penicillium sp. it can be seen from the identification results that the fungus has the following characteristics: white and brownish orange colonies, has insulated hyphae, erect and insulated conidiophores, conidia are chain-shaped and congregate on top of phialids.
Identifikasi Penyebab Penyakit Layu pada Tanaman Stroberi (Fragaria sp.) di Desa Pancasari dan Potensi Pengendaliannya dengan Mikroba Antagonis I GUSTI AYU DEVI VALENIA SARI; GUSTI NGURAH ALIT SUSANTA WIRYA; I PUTU SUDIARTA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.1, Januari 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Identification of the causes of lute diseases in strawberry plants (Fragaria sp.) In Pancasari Village And Control Potential By Microbial Antagonists Strawberries (Fragaria sp.) Is one of the most popular fruits of the community because it has many benefits. Strawberry development in Bali is mostly done in the Bedugul area including Pancasari Village because it has a suitable climate for the development of strawberry plants. This study aims to identify the wilting disease that causes a decline in the yield of strawberry plants that reach 95% in Pancasari Village, Sukasada District, Buleleng Regency. The use of synthetic chemical pesticides is the only way that farmers do in Bedugul area to suppress the strawberry disease. Several studies have reported that unwise and excessive use of synthetic chemical pesticides can cause problems and disrupt environmental balance. Control of plant diseases using microbial antagonists is one of the alternative of environmentally friendly control The method used is isolation, identification, pathogenity test and inhibit microbe antagonistic inhibitory test by dual culture technique. Research activities included (1) sampling of symptomatic plants, (2) isolation and identification of associated fungi at root of strawberry plant, (3) isolate fungal pathogenic test (4) isolation of microbial antagonistic candidate, (5) In Vitro test of antagonistic microbial ability Controlling the pathogen of wilt disease in strawberry plants.The results showed that, mushrooms associated with rooting of strawberry plants were pathogens of the genus Verticillium sp. In Vitro antagonistic test with Verticillium sp. Showed the results in which microbial antagonists were able to suppress pathogen growth by 64%. Anatagonic microbes from the fungus Trichoderma sp. Able to suppress the growth of pathogens of wilt disease (Verticillium sp.). Trichoderma sp. Has the ability to grow quickly Trichoderma sp. Also produce various compounds or enzymes that serve to inhibit or break down the cell walls of plant pathogens.
Uji Efektifitas Jamur Beauveria bassiana Bals. terhadap Ulat Grayak (Spodoptera litura F.) pada Tanaman Tembakau ANANDA RIZKI NURANI; I PUTU SUDIARTA; NI NENGAH DARMIATI
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.7, No.1, Januari 2018
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

The Effectiveness Test of Fungus Beauveria bassiana Bals. against Armyworm (Spodoptera litura F.) on Tobacco Crops Tobacco crops is one of the national commodity and plays an important role for Indonesian economy. Various attempts of cultivation technique have been implemented. However, obstruction are found on tobacco cultivation, one of them is armyworm (Spodoptera litura F.) pest. The effort of controlling the pests is still using chemical technique while in fact it leds to negative impact to living beings and environment. Therefore, eco-friendly control using fungus Beauveria bassiana Bals. in the form of formulation are necessary. This study was conducted to determine the quality and effectiveness of B. bassiana formulation obtained from Estate Crops Service of Bali Province against armyworm (S litura). Research method of this study was using a randomized block design with 5 treatments and 5 replicates. This treatment was using concentration of 60 grams, 45 grams, 30 grams, 15 grams formulation dissolved in one liter of water and the control of using water only. The observed variable was the mortality and intensity of armyworm attacks (S. litura). The result of this study showed that the formulation of fungus B. bassiana has characteristics in which the colonies are white, round-shapes spores, grape-shaped structure and the density of a spore is 1 x 107 spores/ml, therefore it considered it has a good quality. B bassiana formulation is able to infect armyworm (S. litura) on the fourth day. Efficacy test in the green house of 60 grams concentration dissolved in one liter of water showed a good result, with the highest mortality and the lowest damage intensity of tobacco crops.
Present Status of Major Pests and Diseases of Tomato and Chili in Bali I PUTU SUDIARTA; KETUT SUMIARTHA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol. 1, No. 1, Juli 2012
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

ABSTRACT Present Status of Major Pests and Diseases of Tomato and Chili in Bali The research on the distribution of pests and diseases of tomato and pepper plants do to find out the latest situation on the type and spread of pests and diseases of those plants in the wet season in Bali. Methods of research were conducted by survey and identification method based on the symptoms of the disease in field and laboratory observations using microscope. The study was conducted in February 2012 in the planting center area of tomatoes and peppers in Ubud and Kintamani Bangli. The study was funded by AVRDC-The World Vegetable Center (USAID). The survey results show that the identification of major diseases of pepper plants is viruses, anthracnose (Colletotrichum acutatum) and Phytophthora capsici; whereas for tomato plants are dominated by Late Blight (Phytophthora sp.) and viruses. The diseases are found in almost all locations of planting tomatoes and peppers in Tabanan (Sandan, Bangli, Titi Galar, and Batu Sesa) and Bangli District (Katung, Bayung, Kedisan, and Abang Batu Dinding Wall). However each of the diseases attack intensity is different. The highest attack of anthracnose occurred at Galar Titi and Batu Sesa (Tabanan), while the highest virus infection was found in Kedisan and Abang Batu Dinding (Kintamani). Keywords: pests and diseases, tomatoes, peppers
Morphological Confirmation of the Fungi that Causes Strawberry Wilt Disease in Bali Indonesia I WAYAN DIKSA GARGITA; GUSTI NGURAH ALIT SUSANTA WIRYA; I PUTU SUDIARTA
Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Vol.9, No.2, April 2020
Publisher : Program Studi Agroekoteknologi, Fakultas Pertanian, Universitas Udayana

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Abstract

Konfirmasi secara Morfologi Jenis Jamur Penyebab Penyakit Layu Tanaman Stroberi di Bali Indonesia Stroberi adalah salah satu buah yang sangat digemari oleh konsumen karena mengandung banyak phytochemical yang merupakan senyawa fenolik yang bermanfaat bagi kesehatan. Perkembangan stroberi di Bali mengalami beberapa kendala yang menyebabkan penurunan produksi, salah satunya adalah penyakit layu. Namun, hingga saat ini belum banyak informasi spesifik tentang agen penyebab penyakit layu tersebut khususnya di Bali. Identifikasi penyebab penyakit layu tersebut sangat perlu diakukan, oleh karena itu pada penelitian ini dilakukan identifikasi secara makroskopis dan mikroskopis terhadap jamur penyebab penyakit tersebut. Selain itu penelitian ini juga bertujuan untuk mengetahui patogenisitas jamur yang diisolasi dari tanaman stroberi bergejala layu tersebut. Hasil uji patogenisitas menunjukkan bahwa isolat jamur patogen tersebut memiliki daya patogenesitas terhadap tanaman setroberi yang diuji. Persentase indeks penyakit adalah 80% dari isolat Gobleg, 90% dari isolat Pancasari dan Candi Kuning dibandingkan dengan kontrol. Berdasarkan identifikasi morfologi secara makroskopis dan mikroskopis jamur penyebab layu pada tanaman stroberi adalah dari genus Fusarium.
Disease Severity and Molecular Identification of Banana bunchy top virus, Infecting Local Banana in Bali Island Gusti Ngurah Alit Susanta Wirya; I Putu Sudiarta; Dewa Gede Wiryangga Selangga
Jurnal Perlindungan Tanaman Indonesia Vol 24, No 1 (2020)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.54882

Abstract

Bunchy top symptoms on banana has been reported in Bali Island since early 2011. Symptoms variation were observed in the field similar to infection of Banana bunchy top virus (BBTV). The identity of the BBTV in Bali on the basis of DNA-S nucleotide sequence has not been studied, therefore research was conducted to identify the species of BBTV infecting local banana in Bali based on sequence analysis. Research activities were initiated by collecting field samples from several local banana growing areas in Bali Island. Incidence of bunchy top disease in all locations reached 8% to 44% with disease severity ranged from 2.6% to 30%. Identification of BBTV from field samples were done by polymerase chain reaction using specific primers for BBTV (CPF/CPR) followed by sequence analysis of amplified DNA target. Specific BBTV DNA fragment was successfully amplified from 10 field samples; sequence analysis of DNA fragments showed their highest homology with BBTV. In addition the phylogenetic analysis confirmed the close relationship of  BBTV  isolates from Bali with various BBTV isolates from Indonesia and other isolates from the Asian group in GeneBank.
Detection of Strawberry vein banding virus (SVBV) and Identification of Viruliferous Insects Associated with Strawberry Plants (Fragaria sp.) in Bali I Putu Sudiarta; Gusti Ngurah Alit Susanta Wirya; Dewa Gede Wiryangga Selangga; Made Getas Pudak Wangi
Jurnal Perlindungan Tanaman Indonesia Vol 25, No 2 (2021)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.57714

Abstract

Plant pests and diseases cause decreases in strawberry yield in Bali, including plant viruses. Strawberry vein banding virus (SVBV) is a virus that infects strawberry plants and is transmitted by insects. However, studies about this disease in Bali are still limited. This study aimed to detect SVBV within insect bodies and determine the insect species of its vector. Methods used included (1) sampling; (2) detection of SVBV from insect bodies using primers (SVBV F/SVBV R) and PCR; and (3) molecular identification of viruliferous insect with primers (LCO 1490 F/HCO 2198 R) using PCR and sequencing analysis. This study successfully detected SVBV DNA in an insect from three insect families associated with strawberry plants in Pancasari Village, Buleleng Regency, Bali. Results from the nucleotide sequences analysis in SVBV viruliferous insects indicate that the insect was Myzus persicae.
Struktur Komunitas Hama Pemakan Daun Kubis dan Investigasi Musuh Alaminya KETUT AYU YULIADHI; PUTU SUDIARTA
Agrotrop : Journal on Agriculture Science Vol 2 No 2 (2012)
Publisher : Fakultas Pertanian Universitas Udayana

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Abstract

The data concerning the community of pests that eat and destroy cabbage leaves in Bali has notbeen available yet. However, it is required for the pest control purposes. The aim of the research wasto investigate the structure of pest community that eat and destroy cabbage leaves and to find out theirnatural enemies for controlling the pests. Samples of the pest were collected from the cabbage plantsthat were treated with insecticide and without insecticide (control). The results show that the phytophageinsects that found on both treatments of growing cabbages were Plutella xylostella, Crocidolomiapavonana, Spodoptera litura, Helicoverpa armigera, Chrysodiexis orichalcea, and Aphis brassicae.Natural enemies that found on that area were parasitoid larva Plutella Diadegma semiclausum andpredator Crocidolomia pavonana, Sycanus dichotomus pdf (secured).
New Report of Distribution of Entomopathogenic Fungi Aschersonia sp. Infected Whitefly in Bali I PUTU WIRYA SUPUTRA; I PUTU SUDIARTA; GUSTI NGURAH ALIT SUSANTA WIRYA; I KETUT SUMIARTHA
Agrotrop : Journal on Agriculture Science Vol 9 No 2 (2019)
Publisher : Fakultas Pertanian Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (331.94 KB) | DOI: 10.24843/AJoAS.2019.v09.i02.p09

Abstract

Laporan Baru tentang Distribusi Jamur Entomopatogenik Aschersonia sp. yang Menginfeksi Kutu Putih di Bali. Penelitian tentang distribusi jamur entomopatogenik Aschersonia sp. dilakukan untuk mengetahui persebaran Aschersonia yang menginfeksi kutu putih di seluruh Bali. Penelitian tersebut dilakukan di Kabupaten Gianyar, Bangli dan Buleleng pada centra perkebunan jeruk dimulai tahun 2014 sampai tahun 2018. Aschersonia pertama kali ditemukan pada tahun 2014 di Desa Sekaan Kintamani Bangli dan Desa Kerta Payangan Kabupaten Gianyar, dan pada tahun 2018 ditemukan di Desa Gobleg Sukasada Kabupaten Buleleng. Distribusi jamur tersebut ditemukan di dataran tinggi dan tidak ditemukan di dataran rendah. Hal ini sangat terkait dengan keadaan iklim terutama kelembaban dan suhu. Jamur Aschersonia sangat baik tumbuh pada suhu 20°C yang berada pada dataran tinggi.
Co-Authors - Hamid Agung, I Dewa Agung Putra AGUS PUTRA SEDANA Ali Nurmasyah Americo Alves Brito Anak Agung Ayu Agung Sri Sunari Anak Agung Sagung Kendran ANANDA RIZKI NURANI Anu Watu, Getrud Novia ARIYANTA, I PUTU BAWA Chiharu Hongo Damastra, Garda Bagus Desak Putu Sudarmini Devi, Komang Saraswati Devi, Putu Shinta DEWA AYU DIAH PUSPITASARI Dewa Gede Wiryangga Selangga Dewa Gede Wiryangga Selangga Dewa Gede Wiryangga Selangga DINA RAHMAWATI Dinarkaya, Shah Mahapati Dwi Martiningsia Dwi Martiningsia DWI SUGIARTA DWI WIDANINGSIH Eka Wijayanti, Febri G.A.M.K. Dewi GARGITA, I WAYAN DIKSA Gede Suastika Gede Suastika GREG LUTHER GREGORY C. LUTHER Gusti Ayu Mayani Kristina Dewi Gusti Ayu Yuniati Kencana Gusti Ngurah Alit Susanta Wirya GUSTI NGURAH GEDE DHARMA PUTRA PUTRA Hamid, - Hanifah, Wafa’ Nur Harianja, Shara Yulita Hartha , I Komang Gede Suweca I DEWA MADE PUTRA WIRATAMA I Dewa Nyoman Nyana I DEWA PUTU SINGARSA I DEWA PUTU SINGARSA, I DEWA PUTU I G. R. M. TEMAJA I G. Wijana I GEDE PUTU WIRAWAN I GEDE SILA ADNYANA I Gst Agung Putu Raka Agung I GUSTI AYU DEVI VALENIA SARI I Gusti Ngurah Bagus I Gusti Ngurah Kade Mahardika I Ketut Mangku Budiasa I KETUT PURNA YASA I KETUT SUMIARTHA I Komang Candra Giri Prayoga I KOMANG VIDIA DHARMA TARO PUTRA I Made Arimbawa I Made Dira Swantara I Made Sudana I MADE SUDARMA I Made Sukewijaya I MADE SUPARTHA UTAMA I MADE WINANTARA I MADE YESTA SANTIATMA I NYOMAN DARMA YASA I NYOMAN MANTIK ASTAWA I Nyoman Suarsana I Nyoman Suartha I NYOMAN WIJAYA I PUTU BAWA ARIYANTA I PUTU DHARMA I PUTU WIRYA SUPUTRA I Wayan Arta Wijaya I WAYAN RUSMAN I Wayan Suardana I Wayan Supartha I Wayan Susila I.A.P. Apsari I.B.K. Suardana Ida Ayu Pasti Apsari IDA BAGUS GDE PRANATAYANA Ida Bagus Kade Suardana JOKO MARIYONO JOKO MARIYONO KETUT AYU YULIADHI Klett, Katrina Listihani, Listihani Luciana Delavega LUTFI SURYAWAN M SUDANA Made Getas Pudak Wangi MADE MIKA MEGA ASTUTHI Made Mika Mega Astuthi Made Satya Andrayuga MARIA ULFA ELLA ELLA Masahiro Shishido Maulinda, Restiana MOCH BINTANG RAMADHAN NI KADEK NINA ARI SUCI Ni Kadek Nita Karlina Astriyani Ni Luh Gede Sudaryati NI LUH WAHYU SUTARINI, NI LUH WAHYU NI MADE DWI ANTARI Ni Made Dwi Desiyanti Ni Made Puspawati NI MADE SAVITA RASJMAN NI MADE WINDA UTARI NI NENGAH DARMIATI Ni Putu Merthaningsih Ni Putu Noviyanti Ni Wayan Korniasih NI WAYAN SUNITI NYOMAN SEMADI ANTARA Putra, I Gusti Putu Semara Putu Perdana Kusuma Wiguna R. SRINIVASAN RAMADHAN, MOCH BINTANG S.K. Widyastuti SANJAYA, I GUSTI NGURAH PRABU WIRA Selangga, Dewa Gede Wiryangga SONIA ASHA HASARI Sri Kayati Widyastuti SUGIARTA, DWI Sumartayasa, I Wayan Andi SUNARI, ANAK AGUNG AYU AGUNG SRI Suputra , I Putu Wirya SUPUTRA, I PUTU WIRYA Syahbana , Raditya Darmawan TRISNA AGUNG PHABIOLA TRISNA AGUNG PHABIOLA Yuliadhi , Ketut Ayu Zhao, Tiejun