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PENGARUH LAMA PERENDAMAN BENIH DENGAN BAKTERI Bacillus SPP TERHADAP PERTUMBUHAN DAN HASIL TANAMAN KACANG TANAH Semi Pandango; I Ketut Widnyana; Putu Lasmi Yulianthi Sapanca
AGRIMETA : Jurnal Pertanian Berbasis Keseimbangan Ekosistem Vol. 8 No. 16 (2018): Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem
Publisher : Fakultas Pertanian dan Bisnis Universitas Mahasaraswati Denpasar

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Abstract

Penelitian tentang pengaruh lama perendaman benih tanaman kacang tanah dengan bakteri Bacillus spp terhadap pertumbuhan dan hasil tanaman kacang tanah (Arachis hypogaea L) dilakuakan di Laboratorium Fakultas Pertanian Universitas mahasaraswati Denpasar dan di Jln. Jimbaran, Perum Puri Gading, Gang Persada No 6, Kuta Selatan Badung Bali, dari bulan Mei - Agustus 2017. Penelitian bertujuan untuk mengetahui pengaruh perlakuan perendaman dan lama perendaman benih kacang tanah dengan bakter Bacillus spp terhadap pertumbuhan dan hasil tanaman kacang tanah. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) dengan Bakteri Bacillus spp, dangan menggunakan media NB dengan waktu perendaman selama 15, 30, 45 dan 60 menit + control. Data yang diperoleh di Sidik Ragam dengan uji F pada taraf nyata 5%. Jika F hitung lebih besar dari F tabel 5%, maka dilanjutkan dengan uji Duncan’s Multiple Range Test (DMRT). Parameter yang diamati adalah tinggi tanaman, jumlah daun, berat basah tanaman, berat basah akar, berat basah batang, panjang akar, berat kering tanaman, berat kering akar dan berat kering batang. Hasil percobaan menunjukan bahwa lama waktu 15 menit perendaman benih kacang tanah dengan bakteri Bacillus spp terhadap sebagian besar parameter pengamatan berpengaruh nyata terhadap terhadap pertumbuhan dan hasil tanaman kacang tanah. Tanaman kacang tanah merupankan tanaman penghasil biji pada perlakuan pengaruh lama waktu 15 menit perendaman dengan bakteri Bacillus spp (P1) paling dominan memberikan hasil pengaruh nyata dengan jumlah biji 42,4 dibandingkan dengan kontrol (P0) yang jumlah bijinya sekitar 35,2 biji dan perlakuan lainnya.
KUANTITAS DAN KUALITAS BUAH SALAK GULAPASIR DI BEBERAPA SENTRA PRODUKSI DI BALI Gidion Lobo Lenga; I Ketut Sumantra; Farida Hanum; I Ketut Widnyana
AGRIMETA : Jurnal Pertanian Berbasis Keseimbangan Ekosistem Vol. 12 No. 23 (2022): Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem
Publisher : Fakultas Pertanian dan Bisnis Universitas Mahasaraswati Denpasar

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This study aims to determine the quantity and quality of salacca (salak) Gulapasir in several production centers in Bali. The method used is the survey method for production. For the quality of fruit, use Complete Randomized Design (CRD) with four replicates, while for Vitamin C levels, total acid and TSS were repeated three times. Planting location as a treatment consists of salak from Karangasem, Badung, Tabanan, Bangli, and Gianyar districts. Variable observed research is fruit weight per bunch and per seed, total fruit, the thickness of meat fruit, vitamin C content, total acid, and total solids dissolved (TSS). The results of the study show that produce fruit from Karangasem Regency shows the highest production in two seasons (between season 1 and Gadu) with a total production of 6 kg/tree. Salak Gulapasir comes from the districts of Karangasem, Badung, Tabanan, Bangli and Gianyar have different qualities. Salak Gulapasir harvested in Karangasem Regency shows weight, quantity, and thickness highest and different from districts Gianyar. Snake fruit Sugar from Karangasem gives the highest and different content of vitamin C, TSS, and total acid with salak from Gianyar. Plant location no show difference to shelf life. Shelf life salak Gulapasir range between 4.75-7.75 days, with a shelf life shortest, happens to the salak from Bangli
PEMBERDAYAAN KELOMPOK TANI ANGGUR MENUJU¬¬ PENINGKATAN PRODUKTIVITAS DAN DAYAGUNA NI Putu Pandawani; I Ketut Widnyana
Jurnal Bakti Saraswati (JBS): Media Publikasi Penelitian dan Penerapan Ipteks Vol. 9 No. 1 (2020): Jurnal Bakti Saraswati (JBS) : Media Publikasi Penelitian dan Penerapan Ipteks
Publisher : Lembaga Penelitian dan Pemberdayaan (Institute for Research and Community Empowerment) Universitas Mahasaraswati Denpasar Bali

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Kelompok Tani anggur “Widya Lestari Usada”, di desa Tangguwisia Seririt Singaraja sebagai bagian integral pembangunan pertanian, merupakan salah satu upaya pemberdayaan petani anggur untuk meningkatkan produktivitas, pendapatannya dan kesejahteraannya. Pengalaman menunjukkan, keberadaan Kelompok Tani Anggur telah memberikan sumbangan yang nyata pada berbagai program pembanguan pertanian yang di fasilitasi oleh Penyuluh Pertanian Lapangan. Demi keberlanjutan kinerja Kelompok Tani, kelompok tani secara rutin mendapatkan pembinaan baik menyangkut faktor kelembagaan, administrasi, sumber daya dan teknis pertanian. Kelembagaan Kelompok tani ini telah digunakan sebagai wadah untuk membahas segala masalah yang mereka hadapi, berdiskusi dan mencari solusi yang terbaik. Melalui Program penerapan iptek yang telah dilakukan, Kelompok tani menjadi bangkit dan termotivasi dalam penggunaan beberapa pestisida nabati, memalui pembuatan beberapa pestisida nabati secara sederhana, sehingga pada saatnya dapat dipergunakan langsung oleh petani untuk pengendalian hama-hama penting yang sering menyerang perkebunan anggur. Selanjutnya kelompok tani memperoleh suatu paket teknologi budidaya tanaman anggur yang murah dan mudah diterapkan, untuk memproduksi buah anggur dengan cita rasa lebih manis dan dengan kuantitas produksi yang tinggi. Paket teknologi budidaya tersebut adalah penggunaan pupuk mineral plus dan pengendalian hayati dari hama dan penyakit dengan pemanfatan pestisida nabati. Hal ini lebih lanjut akan memberikan dampak menguntungkan pada perekonomian petani itu sendiri dan pelestarian lingkungan melalui produk buah anggur ramah lingkungan.
STRATEGI UNTUK KETERSEDIAAN RUANG TERBUKA HIJAU DI KAWASAN PERKOTAAN SEMARAPURA Dewa Putu Aris Sadana; Nyoman Utari Vipriyanti; I Putu Sujana; I Ketut Widnyana
Plano Madani : Jurnal Perencanaan Wilayah dan Kota Vol 8 No 2 (2019)
Publisher : Jurusan Teknik Perencanaan Wilayah dan Kota, Fakultas Sains dan Teknologi, Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/jpm.v8i2.7591

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Ruang Terbuka Hijau (RTH) khususnya RTH Publik memiliki peran penting dalam mewujudkan suatu perkotaan yang berkelanjutan. Hingga saat ini belum ada kajian mengenai strategi untuk ketersediaan RTH Publik di Kawasan Perkotaan Semarapura. Tujuan dari penelitian ini adalah menyusun strategi untuk ketersediaan RTH Publik Kawasan Perkotaan Semarapura. Teknik pengumpulan data pada penelitian ini adalah survey data instansi, kuisioner dan Focus Group Discussion (FGD). Teknik analisis data pada penelitian ini adalah Teknik Analisis Strength, Weakness, Opportunity, dan Threat (SWOT) dan Analithical Hierarchy Process (AHP). Selanjutnya, telah tersusun 8 (delapan) strategi untuk ketersediaan RTH Publik di Kawasan Perkotaan Semarapura. Strategi yang menjadi prioritas utama adalah Pemetaan lahan potensial seperti aset-aset milik pemerintah sebagai alternatif penyediaan RTH Publik Kawasan Perkotaan Semarapura
The Existence of Papaya ringspot virus-Papaya Strain on Cucumber in Gianyar, Bali Dewa Gede Wiryangga Selangga; I Ketut Widnyana; Listihani Listihani
Jurnal Perlindungan Tanaman Indonesia Vol 25, No 1 (2021)
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/jpti.64703

Abstract

Yellow mosaic symptoms were identified from cucumber production systems in Gianyar and were similar to symptoms of PRSV infection. Further research was conducted to determine diseases incidence and molecular characteristic of PRSV. Ninety leaf samples were collected from Gianyar by purposive sampling and disease incidence calculations were based on symptoms in the field. Detection and identification were done using a RT-PCR with specific primers of CP PRSV-P, CP PRSV-W and DNA sequencing. Disease incidences in the fields ranged between 5.81–66.87%. Specific DNA band 470 bp was successfully amplified from several cucumber leaf samples collected from Ubud, Payangan, Tegallalang, Sukawati, Gianyar, and Blahbatuh; but no DNA were amplified from all samples when using CP PRSV-W specific primer. Nucleotide and amino acid analysis showed nucleotides homology to isolates from Ubud, Payangan, Tegallalang, Sukawati, Gianyar, and Blahbatuh, i.e. 98.9–99.5% and 99.1–100%, respectively. Results indicated that genetic variation of PRSV-P from Gianyar was low. Furthermore, the nucleotides homology of PRSV-P isolates from Ubud, Payangan, Tegallalang, Sukawati, Gianyar, and Blahbatuh were with PRSV-P isolates which infected cucumbers from Nganjuk (LC311783) and Brebes (LC311784), while from native papaya collected in Bali Bali (LC223115) were 97.2–98.4% and 98.6–100%, respectively. Phylogenetic analysis confirmed that PRSV-P isolates from Indonesia were in the same cluster with Thailand isolates. The results showed that sources of PRSV-P inoculums spreading into new areas.
PROGRAM PENGEMBANGAN PADI ORGANIK DI DESA MENGANI KECAMATAN KINTAMANI KABUPATEN BANGLI PROVINSI BALI Putu Eka Pasmidi Ariati; I Ketut Widnyana; I Gusti Ngurah Anom; Ni Wayan Ekayanti
Ngayah: Majalah Aplikasi IPTEKS Vol. 9 No. 2 (2018): Ngayah: Majalah Aplikasi IPTEKS
Publisher : Forum Layanan IPTEKS Bagi Masyarakat (FLipMAS) Wilayah Bali

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Mengani Village, Kintamani Subdistrict, Bangli Regency, is a partner village of the Faculty of Agriculture, Mahasaraswati University, Denpasar. The distance to the subdistrict capital is 17 km, and to the capital of Bangli Regency is 37 km, while the distance to the provincial capital is around 50 km. The land area of ​​Mengani village is 437 hectares, of which 25 hectares are paddy fields, and the rest are plantations and yards. The Mengani village farmers have been planting well-adapted rice on the highlands, namely the Red Pilian variety which is rice with a red grain. But there is a belief that has been believed for generations that rice cultivation does not need to be fertilized either organic fertilizer or chemical fertilizers or pesticides. As a result, production per land area is very low at around 2-3 tons per hectare. Seeing such conditions, it is necessary to make efforts to increase the productivity of “Pilian Merah” rice organically through the making of organic rice demonstration plots by applying a good cultivation system that is good soil cultivation, planting young seedlings, planting only 2 seedlings, minimal water, fertilizing with organic fertilizer local, and the use of vegetable pesticides for the control of rice pests and diseases. The method of implementing science and technology is carried out through socialization, training, assistance, demonstration of organic rice plots. The results of the activity showed that there was an increase in farmers' knowledge about organic farming, from the initial 50% of farmers who did not understand to 100% understanding of organic farming, understanding of the dangers of synthetic chemical fertilizers to soil and environment from 70% of farmers who did not understand 100% understanding , understanding of the dangers of synthetic chemical pesticides to useful insects and the environment from the beginning 70% of farmers did not understand increased to100% understanding. Besides that, there was an increase in the skills of farmers in making organic fertilizers, which was originally 30% unskilled to 80% skilled, the skills of farmers in making organic pesticides originally 100% unskilled increased to 50% quite skilled. The conclusion that can be drawn from the implementation of science and technology is that the activities carried out related to the understanding and skills of farmers in supporting organic farming have succeeded in increasing farmers' understanding and skills so that sustainability in the field will run well.
PENERAPAN TEKNOLOGI PESTISIDA NABATI DAN HAYATI DALAM RANGKA MEMPERKUAT BUDIDAYA PADI BERBASIS ORGANIK DI DESA PELIATAN UBUD KABUPATEN GIANYAR BALI Ida Bagus Swaputra; Ni Gst. Ag. Gde Eka Martiningsih; I Nyoman Gde Maha Putra; I Nyoman Patra; I Ketut Widnyana
Ngayah: Majalah Aplikasi IPTEKS Vol. 10 No. 1 (2019): Ngayah: Majalah Aplikasi IPTEKS
Publisher : Forum Layanan IPTEKS Bagi Masyarakat (FLipMAS) Wilayah Bali

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Abstract

The Teges Subak group and the Subak Putungan group face problems in controlling pests and diseases in rice and secondary crops. In rice plants farmers are very disadvantaged by attacks of pests and diseases that cause rice plants to become puso (empty grains and red stems). The attack of pests and diseases causes rice production to decrease by more than 50%, which is very detrimental to farmers in Subak Teges and Subak Putungan. The main objectives of the program to implement appropriate technology to the community of these farmer groups are (1) To help farmers in integrated pest and disease control technology, (2) Providing productive rice planting techniques, (3) Providing training in the manufacture of locally based plant-based pesticides, (4)Providing techniques for making biological pesticides based on Trichoderma sp, Metharizium sp, and Glyocladium sp, (5) Providing techniques for the application of vegetable and biological pesticides to rice plants, (6) Training farmers in the technique of monitoring pests and diseases in the field. The method used is counseling, training and mentoring. The expected outcome of this community-based application of appropriate technology activities is; 80% of farmers understand and are skilled in making vegetable and biological pesticides, 90% of farmers understand and are skilled in implementing integrated pest and disease control technology and 90% of farmers understand and are skilled in monitoring pests and diseases in the field, farmers are able to produce 50 liters of vegetable pesticides themselves, farmers are able to produce50 kg of their own biological pesticides, attacks of pests and diseases have decreased by 75%.
PENGARUH PERLAKUAN PUPUK CAIR DARI LIMBAH ORGANIK TERHADAP PERTUMBUHAN TANAMAN BUNGA PACAR AIR (Impatiens balsamina L) Aplorida Lingu Lango; I Ketut Widnyana; I Ketut Sumantra; Diah Yuniti
AGRIMETA : Jurnal Pertanian Berbasis Keseimbangan Ekosistem Vol. 11 No. 22 (2021): Agrimeta: Jurnal Pertanian Berbasis Keseimbangan Ekosistem
Publisher : Fakultas Pertanian dan Bisnis Universitas Mahasaraswati Denpasar

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The research entitled “The effect of Liquid Fertilizer Treatment from Organic Waste on the Growth and Yield of (Impantiens balsamina L aims to determine the effect of giving organic liquid fertilizer to the growth and yield of I balsamina. This study used a Randomized Block Design (RAK) with 9 treatment which were repeated 4 times so that there were 36 experimental pots. The treatments are control (without fertilize), chemical fertilizer, POC vegetable waste, fruit waste POC, fish waste POC, seaweed POC, bio urine POC, cow rumen POC, and a mixture of all types or organic liquid fertilizer, with a dose of 20% each. The result showed that the effect of POC treatment had a signicant effect on all growth parameter and yields of I balsamina, except for the parameter of the number of flowers per plant which was not significantldi fferent. The result showed that the mixed POC treatment gave the best effect but was not significantly different from all other treatments
EFEKTIVITAS ISOLAT Trichoderma spp. DALAM PENGENDALIAN PENYAKIT AKAR GADA (Plasmodiaphora brassicae Wor.) PADA SAWI HIJAU (Brassica rapa) Ni Putu Pandawani; I Ketut Widnyana; I Ketut Sumantra
Agro Bali : Agricultural Journal Vol 3, No 1 (2020)
Publisher : Universitas Panji Sakti

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Abstract

Penelitian bertujuan untuk mengetahui efektifitas dosis dan usia biakan dari isolat Trichoderma spp. dalam pengendalain penyakit akar gada pada tanaman sawi. RAK Faktorial digunakan pada penelitian dengan 2 faktor dan  3 ulangan. Faktor pertama adalah dosisdari isolat Trichoderma spp. yang terdiri dari 3 level dosis, yaitu 500 ml; 250 ml dan 0 ml. Faktor kedua adalah usia biakan dari isolate Trichoderma spp. yang terdiri dari 3 lever usia biakan isolate Trichoderma spp yaitu usia biakan 1 minggu; usia biakan 2 minggu dan usia biakan 3 minggu. Pada tanaman sawi yang terinfeksi penyakit akar gada, perlakuan beberapa dosis isolat Trichoderma spp. dan perlakuan beberapa usia biakan dari Trichoderma spp. memberikan pengaruh yang berbeda nyata terhadap variabel tinggi tanaman sawi, daun tanaman sawi dan persentase penyakit. Perlakuan dari isolat Trichoderma spp. dosis 500 ml menghasilkan tinggi tanaman 21,68% dan  daun tanaman 26,63 %  lebih tinggi secara nyata dibandingkan  dengan tinggi tanaman dan  daun pada perlakuan  tanpa pemberian isolat Trichoderma spp. Perlakuan  dari isolat Trichoderma spp. dengan usia biakan 2 minggu,  menghasilkan tinggi tanaman 12,80 % dan daun 16,04% nyata lebih tinggi, dibandingkan dengan  tinggi dan daun tanaman pada perlakuan isolat Trichoderma spp. usia biakan 1 minggu . Persentase penyakit akar gada pada tanaman sawi pada perlakuan kombinasai isolat Trichoderma spp. dosis biakan 500 ml dan usia biakan isolat Trichoderma spp 2 minggu,  mencapai 0 %,  yang berarti tanpa adanya serangan penyakit akar gada. DOI: 10.37637/ab.v3i1.422
REDUCTION OF INORGANIC FERTILIZER AND APPLICATION OF ORGANIC FERTILIZER IN RICE PLANT I Ketut Sumantra; I Ketut Widnyana; Putu Pandawani
International Journal of Applied Science and Sustainable Development (IJASSD) Vol. 3 No. 2 (2021): International Journal of Applied Science and Sustainable Development (IJASSD)
Publisher : Unmas Press

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Abstract

The massive use of inorganic fertilizers without adequate organic fertilizers will cause land and plant productivity to decline. This study aims to obtain a combination of organic and inorganic fertilizers and their effect on rice production. The study used a Randomized Block Design with three replications and four treatments, namely a) full inorganic package (200 urea + 200 kg Phonska), b) organic fertilizer + 75% inorganic fertilizer, c) organic fertilizer + 50% inorganic fertilizer, d) organic + 25% inorganic fertilizers. Organic fertilizers are given as essential fertilizers, while half of the inorganic fertilizers are given when the plants are planted and the rest when the tillers are active. The results showed that: 1) Applying a combination of organic and inorganic fertilizers increased the percentage of productive tillers, weight of 1000 grains and weight of dry grain harvested per hectare. 2) Application of organic fertilizer + 75% NPK can increase grain weight by 4% compared to using only NPK fertilizer. The results of the study recommend that fertilizing rice with a combination of organic fertilizer + 50% NPK needs to be considered for increasing paddy grain production and improving the quality of rice fields.
Co-Authors A. A. Ketut Sudiana Abdul Muis Agrippina Wiraningtyas, Agrippina Anik Yuesti Aplorida Lingu Lango Aplorida Lingu Lango Aset, Arselinus Baiq Harly Widayanti Cokorda Javandira Denda Riratih Denok Lestari Deviani, Ni Wayan Dewa Gede Wiryangga Selangga Dewa Putu Aris Sadana Dewa Putu Oka Prasiasa Dwi Cahya, Ida Ayu Pradnya Dwie Kristina Juliastini Eka Lestari Farida Hanum Frizkiawan I Sompalele Gidion Lobo Lenga Helena Murni Hendra Pribadi Huda, Ahmad Akromul I G.N. Alit Wiswasta I GD Yudha Partama I GD. Yudha Partama I Gede Yudha Partama I Gusti Ayu Diah Yuniti I Gusti Ayu Rai I Gusti Ngurah Alit Wiswasta I Gusti Ngurah Anom I Gusti Ngurah Anom I Ketut De Supartana I Ketut Suada I Ketut Sumantra I Komang Sukendra I Made Budiasa I Made Diarta I Made Kartika I Made Subrata I MADE SUKERTA I Made Tamba I Made Wahyu Wijaya I Made, Budiasa I NENGAH MULIARTA I Nyoman Gede Maha Putra I Nyoman Patra I Nyoman Suta I Putu Sujana I Wayan Cipta, I Wayan I Wayan Seputra Kuspianto I Wayan Suanda Ida Bagus Swaputra Irma Rubianti jamila mustabi Kadek Ayu Ekasani Kadek Intan Rusmayanthi Kuspianto, I Wayan Seputra Leni Marlina Listihani, Listihani Ni Gst. Ag. Gde Eka Martiningsih Ni Putu Eka Pratiwi Ni Putu Pandawani Ni Putu Sukanteri Ni Wayan Ekayanti Nik, Nikolas Nyoman Utari Vipriyanti Olahairullah, Olahairullah Pandango, Semi Pande Komang Suparyana Partama, I GD Yudha Patra, I Nyoman Prabawa, Panca Dwi Putra, I Nyoman Gde Maha Putu Ayu Adi Atseriyani Diahantari Putu Edi Yastika Putu Edi Yastika Putu Eka Pasmidi Ariati Putu Fajar Kartika Lestari Putu Lasmi Yulianthi Sapanca Putu Lasmi Yulianti Sapanca Putu Lasmi Yuliyanthi Sapanca Putu Lasmi Yuliyanthi Sapanca, Putu Lasmi Yuliyanthi PUTU SEKARWANGI SARASWATI Putu Suwardike Rasyid Ridha Rasyid Ridha Rikardus Tinja Sapanca, Putu Lasmi Yulianthi Sapanca, Putu Yulianthi SATRIYAS ILYAS Semadi, Gusti Ngurah Yoga Semi Pandango Sri Jumiyati Sudirman Daeng Massiri Syukur Umar Tauladan, Anan Wardana, Miko Andi Wayan Maba Wedayani, Ni Made Wijaya, I Made Wiratama, I Gusti Ngurah Made Wiswasta, I Gusti Ngurah Alit Yakobus Pffeferius Edvend Saba Agu Yastika, Putu Edi Zofar Agluis Banunaek