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      Produksi Tanaman Hias Pot Sedap Malam (Polianthes tuberosa L.) dengan Berbagai Metode Aplikasi dan Konsentrasi Paclobutrazol

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      Date
      2022
      Author
      Putri, Yunita Sulistyo
      Krisantini
      Kurniawati, Ani
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      Abstract
      Sedap malam merupakan bunga populer di Indonesia dan berpotensi diproduksi sebagai tanaman pot. Terdapat dua varietas unggul sedap malam, yaitu Roro Anteng dan Dian Arum. Pengendalian pertumbuhan menggunakan paclobutrazol diperlukan untuk memproduksi sedap malam pot dengan tinggi proporsional dan kompak. Penelitian bertujuan menentukan metode aplikasi dan konsentrasi paclobutrazol optimal untuk mendapatkan sedap malam dengan tipe pertumbuhan yang sesuai untuk pot tanpa mengurangi kadar dan kualitas minyak atsiri bunga, serta mempelajari laju pertumbuhan dua varietas unggul di dataran tinggi. Penelitian dilaksanakan di Kabupaten Malang pada November 2020-Mei 2021. Metode aplikasi paclobutrazol yang digunakan adalah bulb dipping dan soil drench dengan konsentrasi 50, 100, dan 200 ppm. Hasil penelitian menunjukkan varietas Dian Arum lebih cocok ditanam di dataran tinggi karena memiliki pertunasan dan pertumbuhan vegetatif yang lebih cepat dan menghasilkan penampilan yang lebih indah dibandingkan Roro Anteng. Aplikasi bulb dipping menghasilkan tanaman dengan penampilan lebih baik dibandingkan soil drench. Penampilan terbaik diperoleh dari bulb dip 50 ppm, menghasilkan rasio tinggi tanaman terhadap pot sebesar 4,65 dan rasio rangkaian bunga terhadap tangkai sebesar 0,26 serta pertumbuhan umbi terbaik. Perlakuan paclobutrazol bulb dip 200 ppm menghasilkan warna daun paling gelap dan memperkaya kadar dan jenis senyawa volatil dalam minyak atsiri sedap malam dibandingkan kontrol.
       
      Tuberose is a popular flower in Indonesia and has the potential to be produced as potted plants. There are two superior varieties of tuberose, Roro Anteng and Dian Arum. Growth control using paclobutrazol is necessary to produce proportional and compact potted plants. This study aimed to determine the optimal method of application and concentration of paclobutrazol to get tuberoses with appropriate growth type for pots without reducing the volatile compounds quality, as well as studying the growth rate of two superior varieties in highlands. The study was conducted in Malang, November 2020-May 2021. Paclobutrazol application methods used are bulb dipping and soil drench with concentrations of 50, 100, and 200 ppm. The results showed Dian Arum variety is more suitable to be grown in the highlands as it tends to have faster sprouting and vegetative growth, and produces more aesthetic appearance than Roro Anteng. Bulb dipping application produces plants with better appearance than soil drench. The best appearance is obtained from bulb dip 50 ppm, resulting in a plant-to-pot height ratio of 4.65 and a floret-to-stalk ratio of 0.26, also the best bulbs growth. Paclobutrazol bulb dip treatment of 200 ppm produces darkest leaf color and enriches the levels and types of volatile compounds in tuberose essential oils versus controls.
       
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      http://repository.ipb.ac.id/handle/123456789/110444
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      • UT - Agronomy and Horticulture [7620]

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      Indonesia DSpace Group 
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