PENGARUH MEDIA DASAR DAN NAA PADA INDUKSI IN VITRO AKAR TUNAS KELAPA SAWIT (Elaeis guineensis)
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Abstract
Perbanyakan klonal tanaman kelapa sawit menggunakan teknik kultur jaringan menghasilkan persentase tunas berakar yang rendah. Dalam upaya meningkatkan persentase tunas berakar yang lebih seragam maka dilakukan metode induksi akar yang didukung oleh penggunaan media dasar dan penambahan zat pengatur tumbuh 1-naphthaleneacetic acid (NAA). Penelitian ini bertujuan untuk menganalisis pengaruh kombinasi media dasar dan konsentrasi NAA yang optimum dalam menginduksi akar tunas kelapa sawit secara in vitro. Penelitian ini menggunakan Rancangan Acak Lengkap (RAL) faktorial yang terdiri dari 2 faktor. Faktor pertama adalah jenis media dasar yang terdiri dari media Murashige and Skoog (MS) dan MS Modifikasi (MSM). Faktor kedua adalah konsentrasi NAA yang terdiri dari 0; 0,05; 0,1; dan 0,2 ppm. setiap perlakuan diulang sebanyak 10 kali. Hasil penelitian menunjukkan bahwa penggunaan media MSM lebih baik daripada MS, dan konsentrasi NAA yang paling optimum adalah 0,05 dan 0, 1 ppm dalam menginduksi akar kelapa sawit secara in vitro. Selain itu kombinasi perlakuan MSM+NAA 0,1 ppm memiliki hasil yang paling optimum dalam induksi akar kelapa sawit secara in vitro.
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