PENGARUH THIDIAZURON DAN HIDROLISAT KASEIN TERHADAP MULTIPLIKASI TUNAS SATOIMO (<i>Colocasia esculenta</i> (L.) Schott var antiquorum ) SECARA IN VITRO
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Abstract
Satoimo (Colocasia esculenta (L.) Schott var antiquorum) merupakan salah satu bahan alternatif pengganti beras yang memiliki peluang besar untuk dikembangkan di Indonesia, salah satunya sebagai komoditas ekspor ke negara Jepang. Produksi satoimo perlu ditingkatkan untuk memenuhi kebutuhan bibit tanaman tersebut. Perbanyakan tanaman dapat dilakukan menggunakan media yang optimal untuk merangsang pembentukan tunas, salah satunya dengan penambahan thidiazuron (TDZ) dan hidrolisat kasein pada media tanam. Penelitian ini bertujuan untuk mengetahui konsentrasi TDZ dan hidrolisat kasein yang optimal untuk perbanyakan tunas satoimo secara in vitro. Penelitian ini menggunakan metode RAL dengan 2 faktorial yaitu konsentrasi TDZ yang terdiri dari 0; 0,2; 0,6 mg/L dan konsentrasi hidrolisat kasein yang terdiri dari 0; 150; 300; 450 mg/L. Hasil penelitian menunjukkan bahwa pemberian TDZ 0,6 mg/L dan hidrolisat kasein 150 mg/L menghasilkan jumlah tunas tertinggi, dengan rata-rata tunas yang terbentuk 6,9 per eksplan.
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