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All Journal JURNAL MAGISTER HUKUM UDAYANA International Journal of Local Economic Governance Brawijaya Law Journal : Journal of Legal Studies Arena Hukum REKAYASA Veritas et Justitia Planta Tropika MAHKAMAH: Jurnal Kajian Hukum Islam Jurnal Ilmiah Pendidikan Pancasila dan Kewarganegaraan Jurnal Agrotek Tropika Agrisocionomics: Jurnal Sosial Ekonomi Pertanian Pena Justisia: Media Komunikasi dan Kajian Hukum Agro Bali: Agricultural Journal Jurnal Suara Hukum Jurnal Agrotropika Indonesian Journal of International Law International Law Discourse in Southeast Asia Journal of Smart Agriculture and Environmental Technology Jurnal Pengabdian Fakultas Pertanian Universitas Lampung International Law Discourse in Southeast Asia Nemui Nyimah
Setyo Widagdo
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Agriculture, Biological Sciences & Forestry Arts Humanities Biochemistry, Genetics & Molecular Biology Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Engineering Environmental Science Law, Crime, Criminology & Criminal Justice Physics Social Sciences Veterinary Other

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Journal : Jurnal Agrotropika

 1 
PENGARUH PENGGUNAAN PACLOBUTRAZOL, KNO3 DAN ETEFON PADA PEMACUAN PEMBUNGAAN TANAMAN MANGGIS (Garcinia mangostana L.) Syafitri, Novalia; Karyanto, Agus; Rugayah, Rugayah; Widagdo, Setyo
JURNAL AGROTROPIKA Vol 19, No 2 (2020): JURNAL AGROTROPIKA VOL.19 NO. 2, Oktober 2020
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v19i2.4545

Abstract

Mangosteen (Garcinia mangostana L.) is a tropical plant that bears seasonal fruit and is one of Indonesia's leading export commodity.  Mangosteen production in Indonesia is still low and not continuous, because there are several factors that influence it.  One of them is the character of biennial bearing in mangosteen one year produce high fruit load followed by a next year of very low production.  Therefore it is necessary to induce off season mangosteen flowering.  This study aims to determine: (1) the effect of Paklobutrazol on the flowering of mangosteen plants, (2) the effect of adding KNO3 and Etefon on the acceleration of mangosteen flowering.  This research was conducted in Mulangmaya Village, Kota Agung Timur District, Tanggamus, Lampung.  Regency at an altitude of 250 m above sea level from September 2018 to April 2019.  This research used a Randomized Block Design (RBD) with a single factor consisting of 3 treatments, namely P1 ( manure 10 kg/plant + NPK Nitrophonska 1 kg/plant, P2 (Paclobutrazol 2 ml/l + KNO3 20 g/l + manure 10 kg/plant + NPK Nitrophonska 1 kg/plant), and P3 (Paclobutrazol 2 ml/l + Etefon 40 ml/l + manure 10 kg/plant + NPK Nitrophonska 1 kg/plant).  The data obtained were analyzed by analysis of variance and the mean separation was carried out by orthogonal contrast test at the 5% significance level.  The results showed that the treatment of P2 (Paclobutrazol 2 ml/l + KNO3 20 g/l + manure 10 kg/plant + NPK Nitrophonska 1 kg/plant) on mangosteen plants was able to spur flowering faster with a difference of 12 days (8.70% ), and increased the total number of fruits per plant by a difference of 41 fruit (38.80%).  The P3 treatment (Paclobutrazol 2 ml/l + Etefon 40 ml/l + manure 10 kg/plant + NPK Nitrophonska 1 kg/plant), unexpectedly causing significant leaf drop 3 days after Ethephon spray, and new leaves were formed a month later.  Keywords : Ethephon, KNO3, Paclobutrazol, and mangosteen flowering
Pengaruh Pemberian Dosis Pupuk NPK dan Jenis Pupuk Hayati terhadap Pertumbuhan dan Produksi Tanaman Bawang Merah (Allium ascalonicum L.) Hendarto, Kus; Widagdo, Setyo; Ramadiana, Sri; Meliana, Fitria Sita
JURNAL AGROTROPIKA Vol 20, No 2 (2021): Oktober 2021
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v20i2.5086

Abstract

Shallots (Allium ascalonicum L.) is one of the leading vegetable commodities used as food seasoning and traditional medicine. This study aims to see the effect of providing various doses of NPK fertilizer and types of biological fertilizers on the growth and production of shallot plants. This study used a randomized block design (RAK) arranged in a factorial (4 x 2). The first factor is the NPK fertilizer dosage which consists of four levels, namely: N0= 0% (without NPK fertilizer), N1= 50% (25 g/m2), N2= 100% (50 g/m2), and N3= 150% (75 g/m2). The second factor is the type of biological fertilizer which consists of two levels, namely: H1= Grikulan plus fertilizer and H2= EM4. The results showed that the NPK fertilizer dosage treatment up to a dose of 75g/m2 gave the best results on plant growth and development, including the number of leaves, plant height, fresh tuber weight per plant, wind dry tuber weight per plant, and wind dry tuber weight per m2. The growth and development of shallot plants with the application of Grikulan biological fertilizers were better than those of EM4 biological fertilizers. Treatment of NPK fertilizer dosage of 150% or equivalent to 75 g / m2 supplemented with the application of Grikulan plus fertilizer results in higher production, namely the weight of dry tubers per m2 reaching 1674.33 g or equivalent to 11.72 tonnes/ha. Keywords : EM4, Grikulan plus, shallots,NPK, yield
Respons Tanaman Angelonia (Angelonia angustifolia) terhadap Pemberian Paclobutrazol Rugayah, Rugayah; Karyanto, Agus; Widagdo, Setyo; Lukmi, Farida
JURNAL AGROTROPIKA Vol. 22 No. 1 (2023): Jurnal Agrotropika Vol 22 No 1, Mei 2023
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/ja.v22i1.6563

Abstract

Ornamental plants have now developed as souvenirs given at a wedding. Requirements for souvenirs, the plants should be tiny, lush, and have much of flowers. So its growth needs to be modified using a growth regulator paclobutrazol. This study aimed to determine the response of angelonia plants to the application of paclobutrazol at several levels of concentration and determine the concentration of paclobutrazol which has the best appearance of angelonia plants. This research method used a randomized block design (RBD) with treatment of 6 levels of paclobutrazol concentration, namely 0 ppm, 30 ppm, 60 ppm, 90 ppm, 120 ppm and 150 ppm with 3 replications. The F test and further tests were carried out an Orthogonal Polynomials. All tests were carried out at the 5% level. The results showed that the application of paclobutrazol at a concentration level of 30-150 ppm, was effective in suppressing the growth rate of angelonia plants in the vegetative phase. This value was proved by the results of the questionnaire that, the highest visual value was obtained at a concentration of 150 ppm. But with the increasing concentration of paclobutrazol, the freshness of  flowers became shorter. Keywords: Angelonia, Concentration, Paclobutrazol
Co-Authors Aan Eko Widiarto Abdul Majid Adi Kusumaningrum Agus Karyanto Amin Setyo Laksono Bagus Nugraha, Bagus Darwin H. Pangaribuan Fadhilah, Alya Fathulloh, M. Fembriarti Erry Prasmatiwi Galisong, Ridwan Danuarta Ginting, Yohannes C. Gumelar, Galif Haris W., Alfi Harlim, Sherin Angeli Harsuko Riniwati Hasibuan, Rizky Zulkarnain Herman Suryokumoro Hidayat Pujisiswanto Hidayat, M. Choirul Hussein Ahmad Ikaningtyas Ikaningtyas, Ikaningtyas Imanda Putri, Arsella Irwan Sukri Banuwa kawuryan, endang sri Kurniaty, Rika Kus Hendarto, Kus Kushendarto Kushendarto Lukmi, Farida Martin, Richard Meliana, Fitria Sita Muktiyanto, Didik Parmawati, Rita Patricia Audrey Ruslijanto Primeka, Fadli Purnamaningtyas, Anindita Puspoayu, Elisabeth Septin Putra, Indra Purnama Rachmawati Madjid, Yasniar Ramadhan, Febriansyah Ramadiana, Sri Rani, Winda Haditya Reyhan Al Kharji, Rafly Ria Casmi Arrsa Riana Susmayanti Rizkiana, Ita Rugayah Rugayah Rusdi Evizal Sa'diyah, Nyimas Sadiyah, Nyimas Saputri, Intania Puput Saraswati, Anak Agung Ayu Nanda Setyo Dwi Utomo Soemarno Soemarno Solikhin Solikhin Sri Yusnaini Stiawan, Aresta Dwi Sudi Pramono . Sudiono Sudiono, Sudiono Sugiatno Sugiatno Supriyanto Supriyanto Susanto, Fransiska A. Susanto, Fransiska Ayulistya Suskandini Ratih Dirmawati Syafitri, Novalia Tiara Anggun Puspita Tri Dewi Andalasari Tunggul Ansari Setia Negara Wanto, Alfi Haris Widodo, Soesiladi Esti Yohanes Cahya Ginting, Yohanes Cahya Yudisatria, I Made Adhi Zulferiyenni Zulferiyenni, Zulferiyenni