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All Journal Jurnal Mentari Biosaintifika: Journal of Biology & Biology Education
Eliyanti Eliyanti
Fakultas Tarbiyah Universitas Muhammadiyah Aceh
Agriculture, Biological Sciences & Forestry Education

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PENERAPAN METODE PEMBELAJARAN PETA KONSEP PADA MATERI SISTEM GERAK PADA MANUSIA DI KELAS VIIIc MTs DARUL IHSAN ACEH BESAR Eliyanti, Eliyanti
Jurnal Mentari Vol 15, No 2 (2012)
Publisher : Universitas Muhammadiyah Aceh

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Abstract

Rendahnya hasil belajar siswa pada materi Sistem Gerak Manusia disebabkan oleh kesulitan siswa dalam memahami materi ini, selain itu metode pembelajaran yang digunakan juga kurang tepat. Upaya untuk meningkatkan hasil belajar siswa adalah dengan menggunakan metode peta konsep. Penelitian ini bertujuan untuk mengetahui ketuntasan belajar siswa pada materi Sistem Gerak Manusia dan respon siswa terhadap penerapan metode peta konsep pada pembelajaran materi sistem gerak manusia. Subyek  penelitian ini adalah siswa kelas VIIIc MTs Darul Ihsan sebanyak 34 orang. Rancangan penelitian yang digunakan adalah pre-eksperimen dengan desain one shot case study. Pengambilan data menggunakan test dan angket, analisis data melalui teknik persentase. Hasil penelitian diperoleh 30 siswa (88,23%) mencapai ketuntasan belajar minimal (KKM) yang ditetapkan 63. Respon siswa terhadap pembelajaran dengan mengunakan peta konsep yang diterapkan sangat  positif.   Keyword: penerapan metode pembelajaran, peta konsep     DAFTAR PUSTAKA Anas Sudjono. 2007. Pengantar Evaluasi Pendidikan, Jakarta: Raja Grafindo. Bobbi Deppoter. 2002. Quantum Teaching, Mempraktekkan Quantum Learning di Ruang Kelas, Bandung; Kaifa, 2002 I Nyoman Muliasa. 2002. Penggunaan Peta Konsep dalam Pembelajaran (makalah), Malang: Program pasca Sarjana UNM, 2002 Lie Anita. 2004. Cooperatif Learning: Mempraktekkan Kooperatif Learning di Ruang Kelas, Jakarta; Gramedia Widiasarana Indonesia. Nasution. 2003. Berbagai Pendekatan dalam Proses Belajar dan Mengajar, Jakarta: Bumi Aksara. Oemar Hamalik. 2001. Proses Belajar Mengajar. Bandung: Rineka Cipta. Slameto. 2003. Belajar dan Faktor yang Mempengaruhinya. Jakarta; Rineka Cipta. Sunarto. 2001. Metodologi Penelitian Ilmu-ilmu Sosial dan Pendidikan, Surabaya; UNESA University. Syaiful Bahri Djamarah. 2002. Psikologi Pendidikan, Jakarta; Rineka Cipta.
Plantlets Regeneration from Crown Bud Slicing of Pineapple (Ananas comosus) Zulkarnain, Zulkarnain; Neliyati, Neliyati; Eliyanti, Eliyanti
Biosaintifika: Journal of Biology & Biology Education Vol 10, No 3 (2018): December 2018
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (323.82 KB) | DOI: 10.15294/biosaintifika.v10i3.8079

Abstract

Pineapple propagation by lateral shoots, suckers or crowns is often confronted with limited number of regenerated seedlings and high diversity in flowering and fruit formation. In order to solve this problem, this study offer an alternative method by using tissue culture techniques. This study aimed to determine the effect of growth regulators on plantlet regeneration from bud slicing of pineapple cv. Tangkit. Four levels of 2.4-D (0.0, 0.001, 0.01 and 0.1 ppm) in combination with BA (0.0, 0.1, 1.0 and 10.0 ppm) were tested on solid MS medium. Cultures were incubated in total darkness for a week followed by transfer to 16-hour photoperiod. Results showed that explants treated with 2,4-D and/or BA succeeded in regenerating adventitious shoots. Average leaf number did not differ significantly among treatments (P = 0.60). Highest leaf number (2.99 ± 0.23) was obtained on medium with 0.01 ppm 2,4-D without BA, followed by 0.1 ppm 2,4-D without BA (2.85 ± 0.33). Meanwhile, roots were only formed on medium with 0.1 ppm 2.4-D without BA (4.2 ± 0.37 per shoot). Thus, complete plantlets were regenerated only on medium supplemented with 0.1 ppm 2,4-D without BA. The growth of plantlets was relatively uniform, and plantlet acclimatization succeeded 100% on Jiffy pots. The finding of optimum concentration of 2.4-D and BA in this study is important to develop standard protocol for in vitro propagation of pineapple cv. Tangkit. Thus, the benefit of producing seeds in large quantities and relatively uniform in growth is made possible through tissue culture technique.
Co-Authors Neliyati, Neliyati ZULKARNAIN ZULKARNAIN