IDENTIFIKASI PERUBAHAN FENOTIP PADI BERAS HITAM (Oryza sativa L.) var CEMPO IRENG HASIL PERLAKUAN KOLKISIN
DOI:
https://doi.org/10.37637/ab.v2i1.403Keywords:
Beras hitam, kolkisin, perubahan fenotip, karakter kualitatif, karakter kuantitatifAbstract
Penggunaan mutagen kimiawi kolkisin sebagai bahan untuk menginduksi poliplodi pada tanaman, memberikan peluang bagi peningkatan produksi beras hitam yang sampai saat ini produktivitasnya masih rendah. Hal ini berkaitan dengan banyaknya manfaat beras hitam untuk kesehatan, sehingga menyebabkan meningkatnya permintaan konsumen. Perlakuan berbagai dosis kolkisin diharapkan mampu meningkatkan dosis gen, sehingga tanaman mimiliki penampilan dan produksi yang lebih baik. Tujuan dari penelitian ini adalah untuk mengidentifikasi perubahan fenotip pada genotip padi beras hitam (Oryza sativa L.) var Cempo Ireng akibat perlakuan berbagai dosis kolkisin. Penelitian menggunakan desain petak tunggal dengan 4 perlakuan konsentrasi colchicine (0, 250, 500 dan 750 ppm) pada 2 genotipe padi beras hitam (Ungaran dan Cempo Ireng). Analisis data menggunakan independent t-test level signifikan 5%. Hasil penelitian menunjukkan perlakuan kolkisin dengan konsentrasi 750 ppm efektif dalam menginduksi mutasi sehingga menyebabkan perubahan fenotip pada sebagian besar karakter tanaman pada kedua genotip.
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