Keragaan Beberapa Varietas Kedelai (Glycine max L. Merrill) Dengan Pemberian BAP, GA3 Dan Tergenang
Characteristics of several varieties of soybean (Glycine max L. Merrill) giving BAP, GA3 and flooded
DOI:
https://doi.org/10.32734/joa.v6i4.2454Keywords:
characteristic, flooded, plant growth regulator, soybean, varieties, genangan, karakteristik, kedelai, varietas, zat pengatur tumbuhAbstract
This research aim to know the characteristic of some varieties of soybean giving BAP, GA3 and flooded. The research was conducted at Land Faculty of Agriculture, University of North Sumatra, Medan, Indonesia with altitude ± 25 meters in April 2017 until August 2017 using a randomized block design (RBD) with three factors, i. e : varieties (Grobogan, Argomulyo and Demas 1),hormone BAP and GA3 (0 ppm, BAP 30 ppm + GA3 100 ppm, BAP 60 ppm + GA3 200 ppm, and flooding (control and waterlogged. The parameters observed were plant height, leaf number, root volume, number of plants pods and number of seeds of crop. The results showed that varieties significantly affect plant height 2, 3, 5 week after planting, leaf number 3, 4 week after planting, root volume, number of plant pods and number of seeds of crop. plant growth regulator treatment significantly affected plant height 2, 3, 4 week after planting, and root volume. Flooding significantly affectted number of plants pods and number of seeds of crop. Interaction varieties and hormone significantly affected plant height 2, 3 week after planting, leaf number 4 week after planting and root volume. Interaction varieties and flooding significantly affect root volume. Interaction between varieties, plant growth regulator and flooding significantly affect the root volume.
Penelitian ini bertujuan untuk mengetahui karaketristik beberapa varietas kedelai dengan pemberian BAP, GA3 dan tergenang. Penelitian ini dilaksanakan di Lahan Fakultas Pertanian, Universitas Sumatera Utara, Medan, Indonesia dengan ketinggian tempat ± 25 meter di atas permukaan laut pada bulan April 2017 hingga bulan Juli 2017 menggunakan Rancangan Acak Kelompok (RAK) dengan menggunakan tiga faktor perlakuan yaitu : varietas (Grobogan, Argomulyo dan Demas 1),ZPT (kontrol, BAP 30 ppm + GA3 100 ppm, BAP 60 ppm + GA3 200 ppm) dan genangan (kontrol dan tergenang). Parameter yang diamati adalah tinggi tanaman, jumlah daun,volume akar,jumlah polong pertanaman, jumlah biji pertanaman. Hasil penelitian menunjukkan bahwa varietas berpengaruh nyata terhadap tinggi tanaman 2, 3, 5 MST, jumlah daun 3, 4 MST, volume akar, jumlah polong pertanaman, jumlah biji pertanaman. Perlakuan ZPT berpengaruh nyata terhadap tinggi tanaman 2, 3, 4 MST. Perlakuan genangan berpengaruh nyata terhadap volume akar, jumlah polong pertanaman dan jumlah biji pertanaman. Interaksi varietas dan zpt berpengaruh nyata terhadap tinggi tanaman 2, 3 MST dan jumlah daun 4 MST. Interaksi antara varietas dan genangan berpengaruh nyata terhadap volume akar. Interaksi anatara varietas, ZPT dan genangan berpengaruh nyata terhadap volume akar. Interaksi varietas dan GA3 berpengaruh nyata terhadap tinggi tanaman 3 MST.Interaksi antara varietas, genangan dan GA3 berpengaruh nyata terhadap jumlah daun 5 MST.
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