PENGARUH WADAH KULTUR DAN KONSENTRASI SUMBER KARBON PADA PERBANYAKAN KENTANG ATLANTIK SECARA IN VITRO
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Abstract
Kentang merupakan komoditas pangan yang berpotensi mendukung program diversifikasi pangan di Indonesia. Peningkatan permintaan terhadap kentang Atlantik sebagai bahan baku kentang olahan yang tak diimbangi dengan peningkatan produksi kentang Atlantik menjadi penyebab masih berlangsungnya impor kentang Atlantik di Indonesia. Keterbatasan menghasilkan benih kentang Atlantik berkualitas yang ekonomis merupakan salah satu hambatan dalam meningkatkan produksi kentang Atlantik di Indonesia. Penelitian ini bertujuan mempelajari pengaruh variasi konsentrasi sukrosa teknis sebagai sumber karbon dan penggunaan jenis wadah terhadap perbanyakkan tunas kentang Atlantik secara in vitro. Perbanyakkan tunas kentang Atlantik menggunakan media MS cair + 150 mL/L air kelapa dalam wadah bioreaktor dan botol kultur dengan 3 taraf konsentrasi sukrosa, yaitu 0; 7,5; dan 15 g/L media. Penggunaan bioreaktor secara signifikan meningkatkan tinggi planlet kentang Atlantik yang dihasilkan. Penggunaan bioreaktor yang dikombinasikan dengan penambahan sukrosa teknis menurunkan tingkat hiperhidrisitas. Tunas, daun, dan akar terbanyak dihasilkan oleh perlakuan sukrosa teknis 15 g/L media dalam kedua jenis wadah.
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