KARAKTER AGRONOMI PADI RATUN (ORIZA SATIVA. L) VARIETAS LOKAL PASANG SURUT TANJUNG JABUNG TIMUR

Authors

  • Mapegau Mapegau Universitas Jambi
  • Asrizal Paiman Universitas Jambi
  • Marlina Marlina Universitas Syiah Kuala

DOI:

https://doi.org/10.22437/agroecotania.v1i1.5336

Abstract

Penelitian lapangan yang bertujuan untuk mempelajari karakter agronomi ratun dari beberapa varietas padi lokal pasang surut Tanjung Jabung Timur(Tanjabtim) telah dilaksanakan di lahan petani Desa Lambur Luar Kecamatan Sabak Timur, Kabupaten Tanjabtim.  Penelitian ini menggunakan rancangan acak kelompok  (RAK) tiga ulangan. Lima varietas padi lokal pasang surut berupa tanaman induk yang digunakan sebagai perlakuan adalah: Temon, Dawi, Sere, Minang, dan Pulo. Bibit padi yang telah berumur 3 minggu dipersemaian ditanam pada petakan berukuran 3 x 2 m dengan jarak tanam 30 x 25 cm. Tinggi pemotongan rumpun tanaman induk 20 cm dari permukaan tanah.Hasil penelitian menunjukkan bahwa ratun tertinggi diperoleh dari tanaman induk varietas Pulo (101,07 cm) dan varietas Minang (87,60 cm). Ratun dengan tinggi terendah diperoleh dari tanaman induk varietas Sere (51,23 cm). Jumlah anakan ratun tertinggi diperoleh pada tanaman induk Varietas Sere yaitu 58,04 batang/rumpun, tetapi yang produktif 27,28 batang/rumpun atau 47%.  Tanaman induk Variets Pulo  menghasilkan ratun dengan jumlah anakan 40,87 batang/rumpun dan yang produktif sebanyak 37,98 batang/rumpun atau 92,93%, sedangkan tanaman induk Varietas Minang menghasilkan anakan ratun sebanyak  45,33 batang/rumpun dan yang produktif 40,22 batang/rumpun atau 88,73%. Malai terpanjang diperoleh pada ratun dari varietas Minang dan Pulo masing-masing 22,61 cm dan 22,20 cm. Sedangkan malai terpendek diperoleh pada ratun dari tanaman induk varietas Sere (15,58 cm). Jumlah gabah per malai tertinggi diperoleh pada varietas Pulo (161,45 butir) dan yang berisi sebanyak 92,12 butir (57,06%). Varietas Minang menghasilkan gabah per malai 154,13 butir dan yang berisi 106,13 (68,86%), varietas Sere 100,54 butir per malai yang berisi 14,87 butir (14,79%). Jumlah gabah per malai varietas Dawi adalah sebanyak 107,68 butirdan yang berisi 77,68 butir (72,14%), varietas Temon 105,10 butir per malai dan yang berisi 50,10 butir (47,67%). Ratun dari tanaman induk Varietas Minang dan Pulo lebih mampu mempertahankan kehijauan daun dan pangkal batang dan bentuk sudut daun yang lebih tegak.

 

Kata kunci: Ratun, karakter agronomi, padi pasang surut.

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Published

2018-07-30 — Updated on 2018-07-30

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Issue

Vol. 1 No. 1 (2018): Jurnal Agroecotania: Publikasi Nasional Ilmu Budidaya Pertanian

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