Daya perkecambahan biji trembesi (Samanea saman) yang direndam oleh hormon giberellin

Aldias Hafids, Novinda Dwi, Rizqi Wildan, Fika Puspa Arinda, Auliah Janna, Ahmad Fauzi


Hormon giberein merupakan salah satu zat pengatur tumbuh yang dilaporkan dapat menghilangkan dormansi pada kulit biji. Penelitian ini bertujuan untuk mengetahui pengaruh lama perendaman hormon giberellin GA3 terhadap daya kecambah biji Trembesi (Samanea saman). Penelitian eksperimen ini terdiri dari 4 taraf: T1 (Kontrol), T2 (perendaman 6 jam), T3 (perendaman 12 jam), T4 (perendaman 24 jam). Parameter yang diamati meliputi hari mulai tumbuhnya plumula atau radikula pada biji trembesi yang telah ditanam. Analisis data menggunakan rumus perhitungan manual dengan uji one-way ANOVA. Hasil penelitian menunjukkan bahwa pemberian GA3 tidak berpengaruh terhadap daya perkecambahan biji trembesi [F (3,20) = 0,017 < F tabel = 3,100]. Berdasarkan temuan yang diperoleh, perlakuan lama perendaman terbaik yakni pada perendaman 24 Jam karena keenam biji yang dikecambahkan seluruhnya berhasil berkecambah. Namun, perlakuan perendaman selama 24 jam tidak memberikan perbedaan signifikan bila dibandingkan dengan perlakuan lainnya.

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Program Studi Pendidikan Biologi, FKIP, Universitas Muhammadiyah Malang, Terakreditasi A, Tersertifikasi Internasional AUN-QA