Watermelon (Citrullus lanatus) Seed Germination Response to LED Lighting Treatment
Abstrak
Perkecambahan merupakan fase awal yang menentukan keberhasilan pertumbuhan tanaman, termasuk semangka. Faktor lingkungan seperti cahaya memiliki peran dalam mengatur respons fisiologis benih. Tujuan utama penelitian ini adalah untuk mengevaluasi respon perkecambahan benih semangka (GP, MGT, GR dan SVI) pada pemberian perlakuan lampu LED yang berbeda dan menganalisis hubungan antar parameter perkecambahan selama 60 jam. Hasil penelitian menunjukan bahwa respon perkecambahan relatif seragam. Kondisi gelap menghasilkan persentase perkecambahan dan indeks vigor tertinggi, sedangkan LED biru cenderung meningkatkan pertumbuhan awal radikula dan bakal daun. Hubungan antarparameter memperlihatkan keterkaitan yang konsisten antara waktu dan laju perkecambahan, serta antara persentase perkecambahan dan vigor kecambah. Secara keseluruhan, pada penelitian ini, pencahayaan LED pada fase awal tidak menjadi faktor penentu utama dalam meningkatkan performa perkecambahan benih semangka.
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