PENGARUH JENIS MEDIA DAN ZAT PENGATUR TUMBUH ATONIK TERHADAP PERKECAMBAHAN SPORA DAN PEMBENTUKAN SPOROFIT Lygodium circinnatum (Burm.f.) Sw. (SCHIZAEACEAE)

Mustaid Siregar, I Made Ardaka, Hartutiningsih M Siregar Viewed 3315 times, Downloaded 478 times

Abstract


Lygodium circinnatum (Burm.f.) Sw. adalah sejenis paku merambat (Schizaeaceae) yang batangnya banyak digunakan sebagai bahan untuk industri kerajinan tangan. Belakangan ini pasokan bahan bakunya mengalami penurunan akibat menurunnya populasi di alam. Tumbuhan ini belum dibudidayakan, sehingga perlu dilakukan tindakan konservasi termasuk upaya perbanyakannya. Penelitian ini bertujuan untuk mengetahui pengaruh jenis media dan Atonik terhadap perkecambahan spora dan pembentukan sporofit L. circinnatum. Dua jenis media yang diuji adalah: a) lumpur sawah dan b) campuran akar kadaka dan bubuk batu bata. Penelitian dilakukan di dalam rumah kaca menggunakan rancangan acak lengkap. Hasil penelitian menunjukkan bahwa media lumpur sawah secara signifikan berpengaruh terhadap perkecambahan dan pembentukan sporofit, tetapi harus diikuti dengan upaya penjarangan pada sporofit. Tingginya kepadatan sporofit dapat menghambat pertumbuhan gametofit menjadi sporofit. Penggunaan media lumpur sawah yang diberi Atonik pada konsentrasi 1,5 ml l-1 dapat disarankan untuk perkecambahan dan pembentukan sporofit L. circinnatum.

Keywords


Atonik; Lygodium circinnatum; media; perbanyakan; spora

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DOI: http://dx.doi.org/10.14203/bkr.v17i1.132

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