Karakteristik Morfo-Fisiologi Daun, Buah, dan Benih Tembesu (Fagraea fragrans Roxb.) dari Lima Populasi Di Jawa Bagian Barat Dan Sumatera Selatan
DOI:
https://doi.org/10.59465/jpht.v15i1.838Kata Kunci:
Fagraea fragrans, morfologi, tempat tumbuh, viabilitasAbstrak
Tembesu (Fagraea fragrans Roxb.) merupakan salah satu jenis multiguna asli Indonesia yang mampu tumbuh pada berbagai tipe lahan, seperti lahan kering, lahan tergenang sementara dan selalu tergenang. Tujuan penelitian ini adalah untuk mengetahui keragaman karakteristik morfo fisiologi daun, buah, dan benih tembesu dari lima populasi di Sumatera Selatan dan Jawa Bagian Barat. Analisis ragam dengan menggunakan rancangan acak lengkap digunakan untuk mengidentifikasi perbedaan karakteristik daun, buah, dan benih tembesu dari lima populasi (Kemampo, Sungai Pinang, Kota Raya, Dago, dan Carita). Hasil penelitian menunjukkan seluruh karakter morfo-fisiologis daun, buah, dan benih tembesu berbeda nyata antar populasi. Beberapa variabel agro-iklim berkorelasi dengan karakteristik daun, buah, dan benih yang memberi indikasi adanya pengaruh lingkungan selain genetik. Sebagian besar karakteristik daun, buah, dan benih memiliki nilai koefisien keragaman lingkungan yang lebih besar dibandingkan koefisien keragaman genetik yang menunjukkan besarnya kontribusi lingkungan. Berdasarkan karakteristik daun, buah, dan benih, dari lima populasi yang diuji terdapat dua kelompok, yaitu kelompok pertama, populasi Sumatera Selatan (Kemampo, Sungai Pinang, Kota Raya) dan kelompok kedua populasi Jawa Bagian Barat (Dago dan Carita). Penelitian mempunyai implikasi praktis yang penting untuk pengelolaan sumber daya genetik dan program pemuliaan tembesu ke depan.
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