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All Journal Journal of Horticulture Production Technology
Rahmadyah Hamiranti
Politeknik Negeri Lampung
Agriculture, Biological Sciences & Forestry

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Pengaruh Spektrum Cahaya dan Lama Perendaman Benih Terhadap Pertumbuhan dan Hasil Microgreen Bunga Matahari (Helianthus annuus L.) Feni Maulida Fajrin; Rizka Novi Sesanti; Erie Maulana; Sismanto Sismanto; Rahmadyah Hamiranti
Journal of Horticulture Production Technology Vol 1 No 1 (2023)
Publisher : Politeknik Negeri Lampung

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Sunflowers are plants from the Asteraceae family which are popular as ornamental plants, as well as consumed in the form of microgreens. The problem with microgreen cultivation is that it requires light as a substitute for sunlight and is difficult to imbibition because it has a hard skin. The aims of this study were (1) to obtain the best light spectrum color on the growth and yield of sunflower microgreens, (2) to obtain the best soaking time for sunflower microgreen growth and yields, (3) to obtain the best interaction of light spectrum treatments and soaking time seed. The research method was arranged using a split plot experimental design in a randomized block design with 3 repetitions. The main plot are the light spectrum and the sub plots are the soaking time of the seeds. Variables observed: germination time, germination percentage, germination rate, microgreen height, sample weight per plot. The results showed that the white light spectrum produced the best germination percentage and germination rate, while the blue light spectrum produced the best microgreen height. Seed soaking time of 12 hours produced the best percentage of germination, germination rate, and weight per plot, while soaking time of 24 hours produced the best germination time and microgreen height. Blue light spectrum and 24 hours soaking time produced the best interaction on microgreen height, and weight per plot. White light spectrum and 12-hour soaking produced the best interaction on germination percentage.
Pengaruh Jenis Media Tanam dan Interval Pemberian Pupuk Daun Terhadap Pertumbuhan Plantlet Anggrek Dendrobium Blue Twist x Dendrobium Biggibum pada Tahap Aklimatisasi dan Pembesaran Pretty Aulia Dewi Fortuna; Sismanto Sismanto; Desi Maulida; Lisa Erfa; Ratih Rahhutami; Rahmadyah Hamiranti
Journal of Horticulture Production Technology Vol 1 No 2 (2023)
Publisher : Politeknik Negeri Lampung

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Dendrobium orchids have the potential to be developed because they have a variety of types, shapes and sizes. The choice of planting media and fertilization is an important factor in the success of orchid propagation, especially at the acclimatization stage. The aim of this research were determine the type of planting media and the best interval for giving foliar fertilizer and determine the best interactions and combinations of treatment of the type of planting media and the interval for giving foliar fertilizer on the growth of dendrobium orchid plantlets in the acclimatization and enlargement stages. This research used a factorial Randomized Block Design (RAK) with the first factor being the type of planting media and the second factor being the interval of foliar fertilizer application. The first factor includes M1: wood charcoal, M2: cocopeat, M3: wood charcoal + cocopeat 1:1, M4: wood charcoal + cocopeat 1:2, and M5: wood charcoal + cocopeat 1:3. The second factor includes P1: once every 4 days, P2: once every 8 days, P3: once every 12 days. The results of the research showed that the cocopeat planting media type provided the best percentage of acclimatization success for the Dendrobium Blue twist x Dendrobium Biggibum orchids. Providing foliar fertilizer at 8-day intervals provides the best increase in plantlet height and leaf width at the acclimatization and plantlet enlargement stages of Dendrobium Blue twist x Dendrobium bigibbum orchids. There was no interaction between the use of planting media type and the interval of foliar fertilizer application.
Co-Authors Desi Maulida Erie Maulana Feni Maulida Fajrin Lisa Erfa Pretty Aulia Dewi Fortuna Rahhutami, Ratih Rizka novi sesanti Sismanto Sismanto