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All Journal International Journal of Biosciences and Biotechnology E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Agrovigor: Jurnal Agroekoteknologi Journal of Tropical Biodiversity and Biotechnology Agritrop : Jurnal Ilmu-Ilmu Pertanian (Journal of Agricultural Science) Abditani : Jurnal Pengabdian Masyarakat Agrica: Journal of Sustainable Dryland Agriculture Journal of Sustainable Development Science Nandur
GARGITA, I WAYAN DIKSA
PS Agroekoteknologi Fakultas Pertanian Universitas Udayana
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemistry Economics, Econometrics & Finance Engineering Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice

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PEMANFAATAN MINYAK SEREH SEBAGAI PENGENDALI HAMA DAN PENYAKIT PADA TANAMAN KOPI ROBUSTA DI DESA BELATUNGAN, TABANAN Wirya, Gusti Ngurah Alit Susanta; Ida Bagus Gde, Pranatayana; Dewi, Ni Luh Made Indah Murdyani; Gargita, I Wayan Diksa
Jurnal Abditani Vol. 8 No. 1 (2025): April
Publisher : FAKULTAS PERTANIAN UNIVERSITAS ALKHAIRAAT

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31970/abditani.v8i1.384

Abstract

Program pengabdian ini bertujuan untuk memberdayakan petani kopi Robusta di Desa Belatungan, Kecamatan Pupuan, Kabupaten Tabanan, dengan mengatasi masalah hama dan penyakit tanaman kopi. Produksi kopi di wilayah ini mengalami penurunan yang signifikan akibat serangan hama Hypothenemus hampei Ferr dan penyakit tanaman yang tidak tertangani dengan baik. Salah satu solusi yang ditawarkan adalah penggunaan minyak sereh sebagai pengendali hama dan penyakit. Penyuluhan dan pelatihan lapangan dilakukan untuk memperkenalkan penggunaan minyak sereh sebagai pestisida alami yang ramah lingkungan dan efektif. Hasilnya menunjukkan adanya peningkatan pemahaman dan keterampilan petani dalam mengatasi serangan hama, serta peningkatan produktivitas tanaman kopi yang lebih sehat.
Eksplorasi Jamur Entomopatogen, Dari Beberapa Rizosfer Tanah, Dengan Insect Bait Method Sudiarta, I Putu; Syahbana , Raditya Darmawan; Yuliadhi, Ketut Ayu; Suputra, I Putu Wirya; Gargita, I Wayan Diksa
AGRICA Vol. 17 No. 1 (2024): June
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v17i1.4146

Abstract

This study aims to identify the types of entomopathogenic fungi obtained from the exploration results of the insect bait method in rhizosphere soil samples from several locations in the Bedugul area, Bali. The exploration results showed differences among the three soil samples, where the Pakcoy cultivation soil sample showed infected insect baits with Metarhizium sp. fungi. In contrast, in the Danau Buyan and Bedugul Botanical Garden soil samples, symptoms of infestation were not infected by fungi. Koch's postulate test confirmed the presence of entomopathogenic fungi in the Pakcoy cultivation soil sample, which was later identified morphologically and microscopically as Metarhizium. This study contributes to understanding the ecology of entomopathogenic fungi in the context of biological pest control, especially in sustainable agriculture.
Uji Aktivitas Antijamur Saccharomyces cerevisiae terhadap Phytophthora palmivora Penyebab Busuk Buah Kakao Gargita, I Wayan Diksa; Khalimi , Khamdan; Pranatayana, Ida Bagus Gde
AGRICA Vol. 17 No. 2 (2024): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v17i2.4201

Abstract

The fungus Phytophthora palmivora is a phytopathogen that can cause cocoa pod rot disease. This work was conducted to determine the antifungal activity of Saccharomyces cerevisiae against P. palmivora ATCC39039 and identify the antifungal compounds produced by S. cerevisiae. The antifungal activity test of S. cerevisiae against P. palmivora ATCC39039 was performed using the dual culture method. Determination of the antifungal activity of S. cerevisiae extract on the growth of P. palmivora ATCC39039 was carried out using the poisoned food technique. The results indicated that S. cerevisiae successfully provided an inhibitory effect on the growth of P. palmivora ATCC39039 fungal colonies with an inhibition percentage of 92.93%. S. cerevisiae extract was also successful inhibiting the growth of P. palmivora ATCC39039 fungal colonies with the percentage inhibition ranging from 92.36% to 97.60%. S. cerevisiae extract contains thirteen compounds that have antifungal activity, namely Ethyl alcohol, 2-Methylbutan-1-ol, Isopentyl alcohol, Benzyl Carbinol, 1,2-Ethanediol, Acetoxyethane, 4-Hydroxyphenethyl alcohol, 4,4-Dimethyloxazolo, Acetoin, 2-Bromotetradecanoic acid, Dodecane,1-chloro, Octanoic acid ethyl ester, dan Diethylhexylphthalate. The results of this work provide information that S. cerevisiae can be utilized as a biological agent to control cocoa pod rot disease.
EKSPLORASI JAMUR ENTOMOPATOGEN DARI TANAH DATARAN RENDAH DENGAN INSECT BAIT METHOD UNTUK MENGENDALIKAN HAMA Spodoptera frugiperda JE. Smith (Lepidoptera:Noctuidae) Anu Watu, Getrud Novia; Sudiarta, I Putu; Darmiati, Ni Nengah; Yuliadhi, Ketut Ayu; Singarsa, I Dewa Putu; Gargita, I Wayan Diksa
AGRICA Vol. 18 No. 2 (2025): December
Publisher : Agriculture Faculty of Flores University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37478/agr.v18i2.6233

Abstract

Corn (Zea mays L.) is one of the leading food commodities in Indonesia whose availability is often not optimally met. The decline in productivity in agricultural land caused by pest attacks is a very damaging and detrimental factor. Biological control using biological agents in the form of entomopathogenic fungi is an alternative choice for controlling corn pests that is quite cheap but environmentally friendly so as to maintain the balance of the environmental agro-ecosystem. The purpose of this research is to identify the types of entomopathogenic fungi from exploration using the insect bait method in several lowland soil samples that have great potential as biological agents to control Spodoptera frugiperda pests that attack corn plants. The results of the study showed that the lowland soil samples of Tojan, Klungkung and Saba, Blahbatuh, Gianyar did not find symptoms of entomopathogenic fungi that infect the insect pest S. Frugiperda, while the lowland soil samples of Padanggalak, Sanur found symptoms of entomopathogenic fungi that infect the insect pest S. Frugiperda. The results of the pathogenicity test and macroscopic and microscopic identification showed that the characteristics of the isolates refer to the fungus Aspergillus flavus.
Co-Authors Anu Watu, Getrud Novia ARIYANTA, I PUTU BAWA Devi, Komang Saraswati Devi, Putu Shinta Dicky Marsadi Dinarkaya, Shah Mahapati Gusti Ngurah Alit Susanta Wirya I DEWA PUTU SINGARSA, I DEWA PUTU I Putu Sudiarta I Wayan Dirgayana IDA BAGUS GDE PRANATAYANA Ida Bagus Gde, pranatayana Isto Umbi Maramba Jua KETUT AYU YULIADHI Khalimi , Khamdan Khamdan Khalimi Klett, Katrina NI LUH MADE INDAH MURDYANI DEWI NI NENGAH DARMIATI Putu Perdana Kusuma Wiguna Selangga, Dewa Gede Wiryangga SUGIARTA, DWI Sumartayasa, I Wayan Andi SUPUTRA, I PUTU WIRYA Syahbana , Raditya Darmawan