Penampilan Morfologi Akar Beberapa Hasil Persilangan (F1) Tanaman Jagung pada Media Tanam Tanah Gambut dengan Penambahan Bahan Organik Leguminosa di Rhizotron
Morphological Root Performance of Hybrid Maize (F1) in Peat Soil Medium Applicated with Legume Organic Manure in Rhizotron
DOI:
https://doi.org/10.32734/joa.v7i2.2426Keywords:
maize, legume organic manure, peat soil, root morphology, rhizotron, jagung, bahan organik leguminosa, tanah gambut, morfologi akarAbstract
The maize in indonesia mostly use land that is not fertile. The objective of the research was identified the selection character based on root morphology of hybrid maize (F1) in peat soil medium applicated with legume organic manure in rhizotron. The research was conducted at the greenhouse of Faculty of Agriculture, University of Sumatera Utara, from February until July 2017. The Randomized Block Design was used with two factors, the first factor is the population (V1, V2, V3, V4, V5) and the second factor is the planting medium (peat soil, peat soil + leucena, peat soil + mucuna). The parameters observed were: the number of root, the length of root, the diameter of root dispersed, the fresh weight of the canopy, the fresh weight of root and the dry weight of root. The result showed that the population F1 significantly affected the number of root, the volume of root, the fresh weight of root and the dry weight of root. The planting medium significantly affected the number of root, the length of root, the diameter of root dispersed, the volume of root, the fresh weight of the canopy, the fresh weight of root, the dry weight of root. Interaction between the population F1 NEI9008 x CLA46 (V5) and the planting medium peat soil + mucuna significantly affected the fresh weight of root.
Tanaman jagung di Indonesia banyak menggunakan lahan yang tidak subur.Penelitian ini bertujuan untuk menduga karakter seleksi morfologi akar tanaman jagung dari beberapa hasil persilangan (F1) terhadap pemberian bahan organik leguminosa pada media tanam tanah gambut di rhizotron. Penelitian ini dilaksanakan di rumah kaca Fakultas Pertanian Universitas Sumatera Utara Medan, pada bulan Februari sampai dengan Juli 2017. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) dengan 2 faktor perlakuan yaitu. Populasi (V1, V2, V3, V4, V5) sebagai faktor pertama dan media tanam (gambut, gambut+bo lamtoro dan gambut+bo mucuna) sebagai faktor kedua. Peubah amatan yang diamati adalah jumlah akar, panjang akar, volume akar, diameter sebaran akar, bobot basah tajuk, bobot kering tajuk, bobot basah akar, dan bobot kering akar. Hasil penelitian menunjukkan populasi F1 berpengaruh nyata pada tinggi tanaman, jumlah akar, volume akar, bobot basah akar, and bobot kering akar. Media tanam berpengaruh sangat nyata pada jumlah akar, panjang akar, diameter sebaran akar, volume akar, bobot basah tajuk, bobot kering tajuk, bobot basah akar, bobot kering akar. Interaksi antara populasi F1 NEI9008 x CLA46 (V5) dengan media tanam gambut + bo mucuna berpengaruh nyata pada bobot basah akar.
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