Uji Multilokasi Karakteristik Tanaman Tebu (Saccharum officinarum L.) PRG Produksi Gula Tinggi Event SPS
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Abstract
Tebu (Saccharum officinarum L.) merupakan komoditas perkebunan strategis. Namun, keberlanjutan budidaya dan industri gula pada saat ini menghadapi beberapa tantangan seperti degradasi lingkungan, perubahan iklim yang ekstrem, hingga alih fungsi lahan yang mengakibatkan menurunnya produksi gula. Perakitan dan pengembangan tanaman tebu (Saccharum officinarum L.) melalui pemanfaatan bioteknologi molekuler dapat dilakukan untuk mengatasi masalah dalam pemuliaan konvensional salah satunya dengan perakitan tebu produk rekayasa genetik (PRG). Kualitas hasil pemuliaan tanaman tebu PRG event SPS ini menunjukkan performa luar biasa pada skala laboratorium dan budidaya dalam kondisi terkontrol (greenhouse). Oleh karena itu, perlu dilakukan uji daya adaptasi multi-lokasi untuk memvalidasi karakteristik morfologi dan konsistensi hasil panen di berbagai lokasi budidaya, tetapi juga untuk memastikan stabilitas genetik transgenik (transgene stability) yang memengaruhi sifat adaptif tanaman tebu, baik yang berkarakter luas (wide adaptability) maupun yang bersifat spesifik lokasi (specific adaptability). Tanaman tebu transgenik yang digunakan dalam percobaan ini yaitu event SPS1, SPS3, SPS9 serta tebu WT (Bululawang) sebagai kontrol. Uji multilokasi pada 3 lahan yang berbeda meliputi lahan Sebayi (Madiun), Klampisan (Ngawi), dan Karangsuko (Malang). Parameter penelitian berupa tinggi tanaman, diameter batang, panjang ruas dan berat tanaman per rumpun dianalisa dengan uji signifikansi ANOVA serta uji lanjut Dunnet pada taraf α 5%, untuk melihat korelasi antara tanaman tebu transgenik dan tanaman tebu kontrol WT (Bululawang).
Keywords:
Tanaman Tebu Bioteknologi Molekuler SoSPS1 Uji Multilokasi Wild-Type (WT)References
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Copyright (c) 2026 Ridho Dwi Ramadhani, Tri Handoyo, Sholeh Avivi, Bambang Sugiharto (Author)
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