MORFOLOGI SPORA DAN PERKEMBANGAN GAMETOFIT Davallia denticulata dan Davallia trichomanoides
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Abstract
Davallia denticulata dan D. trichomanoides merupakan dua spesies tumbuhan paku yang menarik dan indah untuk tanaman hias. Morfologi spora memiliki arti penting dalam taksonomi tumbuhan paku, sedangkan komposisi media berperan penting untuk pertumbuhan dan perkembangan gametofitnya. Informasi seputar hal ini terkait dua spesies tumbuhan paku tersebut belumlah ada. Penelitian ini bertujuan untuk mengungkap informasi mengenai ciri morfologi spora dan tahapan perkembangan gametofit D. denticulata dan D. trichomanoides pada tiga komposisi media berbeda. Pengambilan spora dilakukan di Bogor, Jawa Barat. Spora ditumbuhkan pada tiga media steril. Morfologi spora dan perkembangan gametofit diamati menggunakan mikroskop stereo. Kedua spesies memiliki waktu perkembangan terbaik untuk mencapai tahap gametofit dewasa yaitu 25 minggu pada komposisi media yang berbeda. D. denticulata berkembang dengan baik, dan membentuk gametofit dewasa pada media vermiculite, lumut sphagnum, dan perlite. D. trichomanoides berkembang hingga tahap gametofit dewasa dengan baik pada media vermiculite, dan lumut sphagnum. Dengan demikian keberadaan lumut sphagnum pada media sangat penting untuk pertumbuhan dan perkembangan gametofit Davallia.
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