Abstract
This study aims to (1) determine the effect of the combination of gong kebyar gamelan music and LED light on the growth and productivity of pakcoy mustard and (2) determine the combination of gong kebyar gamelan music and LED light that provides the best growth and productivity in pakcoy mustard plants. This study used pakcoy mustard plants which are given a treatment of the combination of gong kebyar gamelan music and different LED light. The first treatment used a combination of gong kebyar gamelan music and white LED light, treatment 2 used a combination of gong kebyar gamelan music and red blue LED light, and treatment 3 used a combination of gong kebyar gamelan music and blue red and white LED light. The data obtained were analyzed using one way anova test and followed by Duncan test with a confidence level of 95%. The variables observed were plant height, canopy area, leaf greenness, root length, wet weight and dry weight of plant shoots and roots. The results showed that giving a combination of gong kebyar gamelan music and LED light had a significant effect on the growth and productivity of pakcoy mustard. The combination of gong kebyar gamelan music and red blue LED light gave the best growth and productivity, with plant height, canopy area, leaf greenery, root length, shoot wet weight, root wet weight, shoot dry weight and root dry weight, respectively also included 27,176 cm, 1457.59cm2, 160.03, 23.6cm, 91.68g, 4.63g, 5.26g, 4.63g and 0.42g.
Highlights
Growth and productivity of plants will occur if plants get light, carbon dioxide
water and nutrients that are sufficient for photosynthesis
pakcoy mustard was treated by combination of gong kebyar gamelan music and LED to determine its effect on the growth
Summary
Tempat dan Waktu Pengambilan data penelitian dilaksanakan di Laboratorium Sistem Manajemen Keteknikan Pertanian Fakultas Teknologi Pertanian Universitas Udayana selama 3 bulan dari Bulan Desember 2018 sampai Februari 2019. Pemberian perlakuan dilakukan di dalam growth chamber dengan memberikan kombinasi musik gamelan gong kebyar dan cahaya LED seperti yang terlihat pada gambar 1. Musik yang diberikan pada tiap perlakuan dengan rentang frekuensi dan amplitudo yang sama yaitu 0 - 18 KHz dan 20 - 90 dB, yang berikan selama 3 jam mulai pukul 09.00 02.00 WITA. LED yang digunakan tiap perlakuan dengan daya 48 watt dan intensitas cahaya 2500 – 2990 lux. Rentang frekuensi dan amplitudo musik gamelan gong kebyar dengan waktu 3 jam Variabel Penelitian 1. 5. Berat basah tajuk dan akar tanaman, diukur menggunakan timbangan analitik saat setelah panen. 6. Biomassa, diukur setelah panen dengan mengeringkan bagian tajuk dan akar tanaman menggunakan oven selama 4 jam pada suhu 105 o C. Apabila menunjukkan pengaruh nyata (P < 0.05), maka dapat dilakukan uji lanjut Duncan dengan taraf kepercayaan 95 % untuk menentukan terdapatnya beda nyata nilai tiap perlakuan
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