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All Journal Agrotrop : Journal on Agriculture Science International Journal of Biosciences and Biotechnology E-Jurnal Agroekoteknologi Tropika (Journal of Tropical Agroecotechnology) Jurnal Kajian Bali Agrovigor: Jurnal Agroekoteknologi Agrokreatif Jurnal Ilmiah Pengabdian kepada Masyarakat Agrimeta: Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem JURNAL HAMA DAN PENYAKIT TUMBUHAN TROPIKA JURNAL GALUNG TROPIKA Jurnal Agrotek Tropika Journal of Tropical Crop Science JIA (Jurnal Ilmiah Agribisnis) : Jurnal Agribisnis dan Ilmu Sosial Ekonomi Pertanian Agro Bali: Agricultural Journal Jurnal Aplikasi dan Inovasi Iptek (JASINTEK) Jurnal Penelitian Agama Hindu Jurnal Teknik Gradien Mejuajua Prosiding Konferensi Nasional PKM-CSR International Journal of Applied Science and Sustainable Development (IJASSD) Journal of Applied Agricultural Science and Technology Nusantara Community Empowerment Review Agrofarm, Jurnal Agroteknologi Jurnal Pengabdian Masyarakat dan Riset Pendidikan Alamtana Biodiversitas Journal of Biological Diversity Nusantara Bioscience
I Gusti Ayu Diah Yuniti
Universitas Mahasaraswati Denpasar
Religion Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Mathematics Nursing Public Health Social Sciences Other

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The antiviral potential of macroalgae in suppressing Sweet potato leaf curl virus (SPLCV) infection in sweet potatoes LISTIHANI LISTIHANI; I GUSTI AYU DIAH YUNITI; PUTU LASMI YULIANTHI SAPANCA; NI PUTU PANDAWANI; DEWA GEDE WIRYANGGA SELANGGA
Biodiversitas Journal of Biological Diversity Vol. 24 No. 7 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240746

Abstract

Abstract. Listihani L, Yuniti IGAD, Sapanca PLY, Pandawani NP, Selangga DGW. 2023. The antiviral potential of macroalgae in suppressing Sweet potato leaf curl virus (SPLCV) infection in sweet potatoes. Biodiversitas 24: 4079-4086. Sweet potato leaf curl virus (SPLCV) was first found in sweet potatoes in Indonesia in 2022. Prevention of spread of virus is essential, especially by using macroalgae extract which is environmentally friendly and has antiviral activity. The aim of present research was to test the potential of sea macroalgae to suppress SPLCV infection and to analyze phytochemicals of potential macroalgae containing an antiviral substance. Macroalgae extract was sprayed on the test plants that were infected by SPLCV. The observed parameters were changes in symptoms, disease incidence and severity, virus confirmation by PCR, and phytochemical analysis. The test results up to day 21 showed that Eucheuma spinosum was found to be effective in suppressing SPLCV infection in sweet potatoes, up to symptomless infection in young leaves. E. spinosum and E. cottonii suppressed disease incidence by 80% and 40% and lower disease severity as much as 71% and 48%, while E. serra showed less ability to suppress SPLCV infection. The two macroalgae had flavonoid, saponin, and steroid content which may be the reason to suppress the viral infection. The results of PCR analysis showed that microalgal extract had the highest nucleotide and amino acid homology with Gianyar (LC586170) isolate with values of 99.7 and 100%. The macroalgae with the highest ability to suppress the virus were E. spinosum and E. cottonii. This showed that the application of macroalgae extract did not change the amino acid sequence of SPLCV isolate.
Beneficial interaction between rice stunt virus and its insect vector Nilaparvata lugens Stal based on life table LISTIHANI LISTIHANI; I GUSTI AYU DIAH YUNITI; PUTU EKA PASMIDI ARIATI; NI PUTU PANDAWANI; DEWA GEDE WIRYANGGA SELANGGA; I GEDE RAI MAYA TEMAJA; GUSTI NGURAH ALIT SUSANTA WIRYA; I PUTU SUDIARTA
Biodiversitas Journal of Biological Diversity Vol. 24 No. 8 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240851

Abstract

Abstract. Listihani L, Yuniti IGAD, Ariati PEP, Pandawani NP, Selangga DGW, Temaja IGRM, Wirya GNAS, Sudiarta IP. 2023. Beneficial interaction between rice stunt virus and its insect vector Nilaparvata lugens Stal based on life table. Biodiversitas 24: 4690-4698. The brown planthopper (Nilaparvata lugens) causes direct and indirect damage as a stunting virus vector in rice. Insect vectors and viruses are closely related with respect to disease transmission to host plants. Thus, this research aimed to determine the specific relationship between a virus and its insect vector on the biology and demography statistics of viruliferous brown planthopper (BPH). Research method included the propagation of N. lugens and stunt virus inoculum, the observation of cohort, stadia duration and egg survival rates, imago life span, and N. lugens life table. The BPH life table was arranged with the jackknife method for two treatments: plants infected by stunt virus and healthy plants. The research result showed that plants infected by stunt virus can shorten the BPH nymphal development stage from instar 2 to instar 5, life cycle, preoviposition period, and double time. Plants infected by stunt virus did not influence the BPH hatching pattern but influenced the total number of hatching eggs. The next BPH generation of stunt virus inflected plants increased 29.51 times more from the previous generation, while on healthy plants, the next BPH generation only increased 27.51 times. Virus-infected plants generally appeared to be superior quality hosts for vectors compared to uninfected plants, thus enhancing vector life table and virus spread.
Growth and yield response of shallot (Allium ascalonicum L. var. Tuktuk) from different source materials applied with liquid biofertilizers Jhon Hardy Purba; PUTU SRI WAHYUNI; ZULKARNAEN ZULKARNAEN; NANANG SASMITA; I GUSTI AYU DIAH YUNITI; NI PUTU PANDAWANI
Nusantara Bioscience Vol. 12 No. 2 (2020)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/nusbiosci/n120207

Abstract

Abstract. Purba JH, Wahyuni PS, Zulkarnaen, Sasmita N, Yuniti IGD, Pandawani NP. 2020. Growth and yield response of shallot (Allium ascalonicum L. var. Tuktuk) from different source materials applied with liquid biofertilizers. Nusantara Bioscience 12: 127-133. This research was to examine growth and yield of shallots using different sources of propagation material, namely true shallot seed (TSS) and bulbs. Soil biological fertility, which was generally low, was improved by the addition of liquid organic fertilizer. The purpose of this study a) to determine the differences in the propagation of plants from seeds and bulbs of shallot Tuktuk varieties, and b) to determine the effect of liquid biofertilizer maxigrow and rhizobacteria. The study used a one-factor randomized design. The results showed that the growth and yield of shallots propagated with bulbs were better than the origin of the seeds. The treatment of the two types of liquid biofertilizer produces tangible growth and yield, but there was no significant difference between the two kinds of liquid organic fertilizer.
Peran Subak dalam Memanajemen Perilaku Petani untuk Mewujudkan Pertanian Berkelanjutan di Bali Ni Putu Sukanteri; I Gusti Ayu Diah Yuniti; I Made Suryana; Yenny Verrawati
Jurnal Kajian Bali (Journal of Bali Studies) Vol. 11 No. 2 (2021): Volume 11 No 2 Oktober 2021
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JKB.2021.v11.i02.p09

Abstract

Subak is a farmer organization that regulates the irrigation system for rice cultivation in Bali. The research examines the behavior (knowledge, attitudes, skills) of subak members within the framework of the Hindu religious philosophy of Tri Hita Karana, three forms of harmony, namely spiritual, social, and environmental. The case study was conducted in Subak Aseman III, Selemadeg Timur District, Tabanan Regency. This study applies a qualitative method with data collection techniques by observation, interviews, and literature review. The results showed that the behavior of farmers in mastering knowledge was obtained both formally and informally. Farmers are selective in accepting various technological innovations. In implementing the values ??of Tri Hita Karana, subak members carry out rituals on auspicious days to pray for a better harvest result, maintain social harmony through collective decision making, and preserve the environment. This spirit in implementing the Tri Hita Karana philosophy is in line with the spirit to realize sustainable agriculture.
Sustainable Development of Trichoderma sp. Enriched Vermicompost for Enhancing Ginger Seedling Growth Cokorda Javandira; I Gusti Ayu Diah Yuniti; I Wayan Sopian Lasdiana
International Journal of Applied Science and Sustainable Development (IJASSD) Vol. 8 No. 2 (2026): International Journal of Applied Science and Sustainable Development (IJASSD)
Publisher : Lembaga Penelitian dan `Pengabdian Kepada Masyarakat (LPPM)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36733/ijassd.v8i2.14855

Abstract

Ginger is a raw material for jamu, traditional herbal medicine, herbal remedies, and bodyrefreshing tonics used to maintain health and treat ailments. The potential for developing the ginger variety faces challenges such as low production and productivity, alongside relatively high production costs. To support sustainable ginger cultivation, environmentally friendly approaches—such as the use of vermicompost enriched with Trichoderma sp. Fungi are necessary. Treatment T5 (250 g Trichoderma sp + 3 kg vermicompost per plot) yielded the greatest plant height (61.67 cm), the highest number of leaves (37.67), and the highest number of shoots (5.33); thus, it can be concluded that higher dosages of Trichoderma sp result in improved growing medium conditions and better shoot development in ginger seedlings.
Co-Authors ., Ni Luh Putu Widyasari Anak Agung Ayu Rai Wahyuni Anak Agung Istri Ari Atu Dewi Anak Agung Ketut Sukranatha Anak Agung Rai Tirtawati Anik Yuesti Antonius Talu Aplorida Lingu Lango Aplorida Lingu Lango Apriada, I Kadek BAYU ARYA BAGASKARA Cokorda Javandira DEWA GEDE WIRYANGGA SELANGGA DEWA GEDE WIRYANGGA SELANGGA Dewa Gede Wiryangga Selangga Dian Tariningsih Ebsan Yair Yepta Tena Farida Hanum Farida Hanum Farida Hanum GUSTI NGURAH ALIT SUSANTA WIRYA I Gde Agoes Caskara Surya Putra, I Gde Agoes I GEDE PUTU WIRAWAN I GEDE RAI MAYA TEMAJA I Gede Widana I Gusti Agung Nyoman Dananjaya I Gusti Agung Nyoman Dananjaya I Kadek Widya Praptika I Ketut Suada I Ketut Sumantra I Ketut Widnyana I Made Asta Gunawan I Made Budiasa I Made Budiasa I MADE DEDY SETIAWAN . I Made Kartika I MADE SUKERTA I Made Suryana I Made Tamba I Made, Budiasa I NYOMAN WIJAYA I PUTU SUDIARTA I Putu Agus Wahyu Ekantara I Putu Sujana I Wayan Sopian Lasdiana Igo Tanggela, Astrosani Isabela Yulninsi Joshi, Ravindra Chandra Kamarudin, Ahmad Syazni Karvila Senia, Maria KETUT AYU YULIADHI Komang Dean Ananda Komang Dean Ananda Liris Lis Komara LISTIHANI LISTIHANI LISTIHANI LISTIHANI Listihani Listihani Listihani Listihani Listihani Listihani Listihani, Listihani Luh Nila Winarni Luh Putu Kirana Pratiwi Luh Putu Yuni Widyastuti M. P. Keraf, Fransiskus MADE SRITAMIN Magdalena Engge Marthen Lende Wara Martinus Irlan NANANG SASMITA Nanang Sasmita Ni Kadek Sattvika Griyaningsih Ni Kadek Sudani Putri Ni Nengah Sudarma Yanti Ni Putu Eka Pratiwi Ni Putu Eka Pratiwi Ni Putu Pandawani Ni Putu Sukanteri Ni Wayan Sulastini Ni Wayan Suryathi Nyoman Yudiarini Oktaviani Nawul Oktavianus Bulu Daka Pande Komang Suparyana Peter Gellu, Leonard Purba, Jhon Hardy Putu Eka Pasmidi Ariati Putu Eka Pratiwi Putu Lakustini Cahyaningrum PUTU LASMI YULIANTHI SAPANCA Putu Lasmi Yulianthi Sapanca Putu Lasmi Yulianthi Sapanca Putu Lasmi Yulianti Sapanca Putu Lasmi Yuliyanthi Sapanca PUTU SRI WAHYUNI Ramdhoani Ramdhoani Sanjiwani, Putu Diah Aryastuti SATRIYAS ILYAS Selangga, Dewa Gede Wiryangga Tomycho Olviana V. Feka, Gonsianus Pakaenoni, Wolfhardus VEDERIS LEUNARDUS Vera Veronika Wilibrodus Jehada Wolfrit Matoneng, Ody Yenni Verrawati Yenny Verawati Yenny Verrawati Yohanes Rodrian ZULKARNAEN ZULKARNAEN ‪Dewa Gede Wiryangga Selangga