Karakter Komponen Hasil Dan Parameter Genetik Pada Generasi M3 Rosella (Hibiscus sabdariffa L.)
Character Components of Result and Genetic Parameters on Generation M3 Roselle (Hibiscus Sabdariffa L.)
DOI:
https://doi.org/10.32734/joa.v7i2.2436Keywords:
components of result, genetic parameters, gamma irradiation, roselle, iradiasi sinar gamma, komponen hasil, parameter genetikAbstract
The research was aimed to get selected the Components of Result and Genetic Parameters on Generation M3 Roselle (Hibiscus Sabdariffa L.). The research was conducted at the Faculty of Agriculture University of Sumatera Utara, Medan with the altitude of 32 m above sea level from December 2017 to May 2018. This research used M3 generation mutant seedlings derived from Roselindo 2 varieties that had been irradiated gamma rays of the previous research. The data were analyzed using t-analysis. The parameters observed were percentage of germination, plant height, number of branches, canopy diameter, the diameter of the flower petals, fruit weight per plant, flower petals weight per plant, number of petals per plant, flowering age and harvesting age. The result showed that there were the difference of result component on observation character that were weight of flower petals weight per plant and number of petals per plant in control population compared to population 450 Gy.
Penelitian ini bertujuan untuk mendapatkan komponen hasil dan parameter genetik pada generasi M3 rosella (Hibiscus sabdariffa L.). Penelitian ini dilakukan di Fakultas Pertanian USU, Medan dengan ketinggian tempat 32 m diatas permukaan laut dimulai dari bulan Desember 2017 sampai Mei 2018. Penelitian ini menggunakan benih populasi mutan generasi M3 yang berasal dari varietas Roselindo 2 yang telah diiradiasi sinar gamma pada penelitian sebelumnya. Data yang didapatkan diuji dengan menggunakan analisis uji-t. Parameter yang diamati adalah persentase perkecambahan, tinggi tanaman, jumlah cabang, diameter kanopi, diameter kelopak bunga, bobot buah per tanaman, bobot kelopak bunga per tanaman, jumlah kelopak bunga per tanaman, umur berbunga dan umur panen. Hasil penelitian menunjukkan bahwa adanya perbedaan komponen hasil pada karakter pengamatan yaitu bobot kelopak bunga dan jumlah kelopak bunga pada populasi kontrol dibandingkan populasi 450 Gy.
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