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    Respons Pertumbuhan dan Produksi Tiga Varietas Tanaman Gambas (Luffa acutangula (L.) Roxb) Terhadap Beberapa Konsentrasi Giberelin (GA3)

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    Date
    2020
    Author
    Batubara, Dedi Kurniawan
    Advisor(s)
    Sipayung, Rosita
    Sitepu, Ferry Ezra T
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    Abstract
    This study aims to determine the growth response and production of three varieties of luffa plants by giving gibberellins with different concentrations. This research was conducted in the land research of Agriculture Faculty, University of Sumatera Utara, Medan (± 25 m asl) from August to November 2019. This treatment was arranged by Randomized Block Design (RBD) with three repetitions. The first factor was three luffa varieties (Prima F1 Variety, Primavera F1, and Anggun F1) the second factor was the concentration of gibberellins (0 ppm, 100 ppm, and 200 ppm). The results showed the treatment were significant different among varieties on number of leaf, number of primary branches, weight of fruit on plot. The treatment of gibberellin gives significant effect to the plant lengths, number of leaf,number of primary branches, flowering date, number of fruits, length of the fruit, diameter of fruit, weight of fruit on plot, wet weight of crown, and wet weight of roots. The interaction between three varieties and concentration gibberellins had a significant effect on the number of fruit. The best varieties are found in Anggun F1 varieties with gibberellin concentration of 200 ppm.
     
    Penelitian ini bertujuan untuk mengetahui respons pertumbuhan dan produksi tiga varietas tanaman gambas dengan pemberian giberelin dengan konsentrasi yang berbeda. Penelitian ini dilaksamakan di lahan penelitian Fakultas Pertanian Universitas Sumatera Utara, Medan (±25 m dpl) pada bulan Agustus hingga November 2019. Penelitian ini menggunakan Rancangan Acak Kelompok (RAK) faktorial dengan tiga ulangan. Faktor pertama yaitu tiga varietas gambas ( Varietas Prima F1, Primavera F1, dan Anggun F1) faktor kedua yaitu konsentrasi giberelin (0 ppm, 100 ppm, dan 200 ppm). Hasil penelitian menunjukkan bahwa perlakuan varietas menunjukkan pengaruh yang nyata terhadap jumlah daun, jumlah cabang primer, jumlah buah dan bobot buah per plot. Perlakuan giberelin menunjukkan pengaruh yang nyata terhadap panjang tanaman, jumlah daun, jumlah cabang primer, umur berbunga, jumlah buah, panjang buah, diameter buah, bobot buah per plot, bobot basah tajuk, dan bobot basah akar. Interaksi antara tiga varietas dan konsentrasi giberelin berpengaruh nyata terhadap jumlah buah. Varietas terbaik terdapat pada varietas Anggun F1 dengan konsentrasi giberelin 200 ppm.

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    http://repositori.usu.ac.id/handle/123456789/23079
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