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PENGARUH MEDIA SEMAI TERHADAP PERTUMBUHAN DAN HASIL SEMANGKA (Citrullus vulgaris Schard) Seftiani, Nining Sundara; Eka Putri, Irma Leilani; Meriko, Lince
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACTÂ Watermelon (Citrullus vulgaris Schard) is one of the fruits that are very popular Indonesian society because it tastes sweet, and a lot of water content. Watermelon needs continue to increase while the results are still low. So it is necessary to increase the yield of watermelon. To improve the growth and yield of watermelon watermelon plant development at the start time of seeding. How to nursery and nursery media greatly influence the growth and yield of watermelon. For research that has been carried out from Â 1 DecemberÂ 2012 to 10February 2013 subdistrict located in Batang Kapas Puppies South Coastal District. In order to know the influence of various media seedling on growth and yield of watermelon seedlings and get a suitable media to the results of a watermelon. This research used Completely Randomized Design (CRD) consisting of 5 treatments and 5 replications. Garden soil, garden soil + river sand , rice husk ash + garden soil, garden soil + cow manure, river sand + soil + rice husk ash garden. Supervision starting at week 2, week 4, week 6 and week 8th after planting. Observation is the observed percentage of live seeds, the number of leaves (pieces), plant height (cm), weight of fruit crops (g). Data were analyzed using analysis of variance and LSD test continued at Î± level of 5 %. Results showed media soil + river sand is the best medium for the growth of watermelon (Citrullus vulgaris Schard). The results were analyzed with the following variance showed that the use of tangible media to be more influenced seedling crops including watermelon seed alive, number of leaves (pieces), plant height (cm), weight of fruit crops (g). From the results of the research in order to encourage the farmers to use the media in raising crops of watermelon seedlings as more economical .Â Â

STRUKTUR ANATOMI ORGAN VEGETATIF Pedada Merah (Sonneratia caseolaris (L.) Engler) DI HUTAN MANGROVE KENAGARIAN MANGGUANG KOTA PARIAMAN Niken, Niken; Eka Putri, Irma Leilani; Meriko, Lince
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACTÂ Sonneratia caseolaris is one mangrove plant species belonging to family Sonneratiaceae. Sonneratia caseolaris has three morphological variations are dwarf, semi-dwarf and normal. In connection with such variation has been studied to determine the anatomical structure of the vegetative organs pedada red (Sonneratia caseolaris (L.) Engler) in Mangrove Forests Kenagarian Mangguang Pariaman city. This study was conducted in January-February 2013 by using the descriptive method of making permanent preparations. Based on the results, the differences in the complexity of the tissues of the three variations Sonneratia caseolaris. At the root Sonneratia caseolaris dwarf and normal tissue there is a sklereid amplifier, whereas the semi-dwarf Sonneratia caseolaris reinforcements in the form of fiber tissues. In the third variation stems from Sonneratia caseolaris there is no difference but the similarity of the complexity of their tissues Â covering cuticula thin epidermis, cortex, vascular tissue and pith while the third variation on the leaves of Sonneratia caseolaris difference is the semi-dwarf and normal Sonneratia caseolaris there is substance ergastict in the form of crystalline type drush , while the dwarf Sonneratia caseolaris not found. Another difference is in the normal Sonneratia caseolaris Â the epidermis consists of 2 layers, on Sonneratia caseolaris dwarf and semi-dwarf only 1 layer and the normal Sonneratia caseolaris Â palisade tissue consists of Â 2 layers while Sonneratia caseolaris dwarf and semi-dwarf 3 layers.Â

PERBANDINGAN KARAKTER ANATOMI BATANG BEBERAPA JENIS BAMBU DI HUTAN CAGAR ALAM LEMBAH ANAI Azri, Harizqi; Maideliza, Tesri; Meriko, Lince
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACTBamboo distributed in various places in West Sumatera, including at Anai Valley Nature Reserve Â Tanah Datar District. Anai Valley Nature Reserve has a high biodiversity that estimated diversity at Anai Valley is quite high. Descriptions using the bamboo flower organs was difficult because most rare bamboo flowering and some have not flowering. It is necessary to look for other alternatives as descriptions of materials, namely by using the anatomical structure of vegetative organs such as culm. To determine the type of bamboo that is at Anai Valley Nature Reserve has conducted investigated on morphological and anatomical characters some of bamboo species, using descriptive and quantitative methods were conducted in March-July 2013. Specimens of bamboo identified in Herbarium Andalas University (ANDA) Padang. Making preparations carried out in the Laboratory of Structural Plant Development, Department of Biology, Andalas University, Padang. Results of present study, six species of bamboo in Anai Valley Nature Reserve are: Bambusa balcooa (Roxb.) Voigt, Schizostachyum brachycladum Kurz, Bambusa glaucophylla Widjaja, Schizostachyum silicatum Widjaja, Bambusa vulgaris Schrad. Ex Wendl, Schizostachyum mampouw. Anatomical culm structure of B.balcooa, B.glaucophylla. and B.vulgaris, tends to have a dominant fiber outer sheath compared with Schizostachyum genus. Genus Bambusa consists of 6-9 rows that have a separate fiber sheath of vascular bundle centripetally, while the genus Schizostachyum obtained 3-4 rows. Longest fiber in Bambusa vulgaris get on that 2830Â±32 mm and the shortest on Bambusa glaucophylla is 1855Â±20 mm . While the width of the fiber diameter on Scyzostachyum silicatum at 28Â±4 mm and narrowest on Bambusa vulgaris is 19Â±4 mm. Comparison perenkim cell diameter of the rod toward the edge of the shows that growth stems from the edges toward the inside

KOMPOSISI TERIPANG (HOLOTHUROIDEA) DI PANTAI SAIBI KECAMTAN SIBERUT TENGAH MENTAWAI SUMATERA BARAT Juliarti, Reni; Widiana, Rina; Meriko, Lince
Pendidikan Biologi Vol 2, No 2 (2013): Jurnal Mahasiswa Pendidikan Biologi Genap 2013-2014
Publisher : STKIP PGRI Sumbar

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ABSTRACTÂ Sea cucumbers (Holothuroidea) is one class of Echinodermata (thorn-skinned animals) that live in coastal waters Saibi that have no nutritional value and high economic. This causes the animal much overexploited by communities around the coast that have reduced the presence of population. Based on this research has been done on the compositionÂ of Â the Â cucumbers were Â found Â in Â Saibi Â Beach Â Middle Â Siberut Â Mentawai District, in December 2012. This research is descriptive and sampling using belt transect method with squares measuring 1 m2. Sample identification is done in Laboratory Animal Ecology, State University of Andalas Padang. The results showed that sea cucumbers were found to be composed of 6 species which consists of 1 class, 1 order, 2 Family and 4 genus Holothuria consisting ie 3 species, whereas Stichopus, Bohadchia Thelenota and 1 species each. Highest density at Station I (3.66 indivedu/m2) and the lowest at Station III (2.99 individu/m2). Highest frequency contained in the Station I (3.66%) and the lowest at the third station (2.99%). Indeks Divesty Â is highest at the first station (1.4672) and lowest in the Station II (1.3693). Spearman correlation level obtained at the third station r countÂ is smaller than Î± r table at 5% level (0.829) correlated not real, physical and chemical factors in the Pantai Saibi Kecamatan Â Siberut Tengah Mentawai District, temperature range 27-300 C, pH 74-75, DO 7,1-8,4 ppm and salinity 15.18-50.20 mg / LÂ Â

PENINGKATAN AKTIVITAS BELAJAR MAHASISWA DENGAN TEKNIK MIND MAP PADA MATA KULIAH ANATOMI TUMBUHAN DI STKIP PGRI SUMATERA BARAT meriko, Lince; yanti, febri
BioCONCETTA Vol 1, No 1 (2016): BioCONCETTA VOLUME 1
Publisher : STKIP PGRI Sumatera Barat

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Sebagian besar mahasiswa STKIP PGRI Sumbar masih mengalami kesulitan dalam memecahkan masalah, terutama pada struktur anatomi jaringan tumbuhan. Hal ini menyebabkan prestasi siswa rendah. Berdasarkan hal tersebut maka telah dilakukan penelitian dengan menggunakan teknik Mind Map. Tujuan penelitian ini adalah untuk meningkatkan aktivitas belajar siswa pada pokok struktur jaringan pada organ vegetatif dan organ generatif tumbuhan melalui penerapan model pembelajaran aktif menggunakan Mind Map. Jenis penelitian yang dilakukan adalah Penelitian Tindakan Kelas (PTK) Siswa yang menjadi subjek penelitian bahwa siswa Sesi E Angkatan 2013 yang sebesar 33 orang. Penelitian yang dilakukan terdiri dari 2 siklus. Setiap siklus terdiri dari empat tahap yaitu perencanaan, tindakan, observasi, dan refleksi. Hasil yang diperoleh setelahmelakukan penelitian ini adalah peningkatan aktivitas siswa Prodi PendidikanÂ Biologi pada tahun 2013 sesi E pada mata pelajaran anatomi tumbuhan sebagai hasil dari penerapan Mind Map. Perbandingan aktivitas pada Siklus I ada 1 indikator yang mencapai kriteria baik yaitu indikator A.1, sedangkan pada Siklus II ada 2 indikator yang mencapai kriteria sangat baik yaitu indikator A.1, dan A.5. Pada akhir Siklus II semua indikator aktivitas belajar mahasiswa sudah mencapai target yang telah ditetapkan.

PENGEMBANGAN MEDIA COMPACT DISC (CD) INTERAKTIF BERORIENTASI KONSTRUKTIVISME PADA MATA KULIAH ANATOMI TUMBUHAN UNTUK PERKULIAHAN DI PERGURUAN TINGGI Mulyati, Mulyati; Meriko, Lince; Nerita, Siska
Journal of Biology Education Vol 5 No 1 (2016)
Publisher : Journal of Biology Education

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Anatomi Tumbuhan merupakan kelompok mata kuliah keilmuan dan keterampilan (MKK , dimana pada mata kuliah ini membahas tentang sel, jaringan dan organ penyusun tumbuhan tingkat tinggi. Berdasarkan hasil wawancara yang dilakukan pada materi anatomi tumbuhan, hampir semua materi sulit dipahami mahasiswa karenaÂ mata kuliah ini meliputi struktur dalam yang tidak bisa diamati secara langsung dan juga tidak bisa divisualisasikan secara utuh karena keterbatasan media pembelajaran. Hal ini mengkibatkan sebagian besar mahasiswa menganggap materi tersebut abstrak dan sulit untuk mengkonstruk pengetahuannya walaupun sudah menggunakan OHP atau slide proyektor. Masing-masing media pembelajaran memiliki keunggulan dan kelemahan yang memerlukan kombinasi berbagai media agar kelemahannya dapat diminimalkan. Mengacu pada Standar Kompetensi Pendidik baik akademik maupun pedagogik maka media pembelajaran dicoba untuk dikembangkan yang mana diharapkan dapat membantu membina calon pendidik biologi professional khususnya di bidang anatomi tumbuhan. Tujuan penelitian ini adalah untuk menghasilkan media pembelajaran compact disc interaktif berorentasi konstruktivisme pada mata kuliah anatomi tumbuhan yang valid. Hasil Validasi menunjukkan bahwa CD interaktif berorientasi konstruktivisme sangat valid, dengan Rerata validasi 3,63.Â Anatomy Plant is a group of knowledge subject and skill (MKK, which on this lecture discusses the cells, tissues and organs arranging higher plants. Based on the results of interviews conducted on the material of plant anatomy, most of the materials are difficult to understand by students because this material includes anatomy structure in which canât be directly observed, and also canât be visualized as a whole because of the limitation of learning media. This causes most of students consider that such material is abstract and difficult to Â construct the knowledge although using overhead or slide projector. Each of learning media has advantages and disadvantages that require a combination of different media to make weaknesses minimal. Referring to the Competency Standards of Educator both academic and pedagogic so that learning media is tried to develop which hopely can help to foster candidate of proffessional biology educator especially in plant anatomy field. The purpose of this study is to produce a learning media of interactive compact disc (CD)-constructivism oriented on plant anatomy that is valid. Validation results show that interactive CD- constructivism oriented is very valid, with a mean of validation 3,63.

VALIDASI PENGEMBANGAN MODUL FISIKA DASAR BERBASIS PROBLEM BASED INSTRUCTION UNTUK MAHASISWA STKIP PGRI SUMATERA BARAT Yanti, Iing Rika; Meriko, Lince
Jurnal Riset Fisika Edukasi dan Sains Vol 1, No 1 (2014): Jurnal Riset Fisika Edukasi dan Sains
Publisher : Universitas PGRI Sumatera Barat

PERKEMBANGAN ANDROECIUM Nepenthes gracilis Korth Meriko, Lince; Dahlan2, Sjahridal
Jurnal Bioconcetta Vol 2, No 1 (2016)
Publisher : STKIP PGRI Sumatera Barat

Penelitian tentang perkembangan androesium Nepenthes gracilis Korth., telah dilakukan di laboratorium dari bulan Januari sampai Juni 2014, bertempat di Palupuh (Kabupaten Agam), Taratak (Kabupaten Pesisir Selatan) and HPPB Unand. Dilanjutkan di Laboratorium Struktur Perkembangan Tumbuhan, Jurusan Biologi, Fakultas MIPA, Universitas Andalas Padang. Penelitian struktur dan perkembangan androesium dilakukan dengan metoda observasi deskriptif dengan pembuatan preparat permanen menggunakan metoda paraffin dengan pewarnaan hemalum. Hasil penelitian tentang perkembangan androesium relatif sama dengan tumbuhan dikotil lain, dengan antera bisporangiat. Tipe tapetum N. gracilis adalah tipe sekresi dan antera bisporangiat N. gracilis dengan jumlah 14-18 buah

PENINGKATAN AKTIVITAS BELAJAR MAHASISWA DENGAN TEKNIK MIND MAP PADA MATA KULIAH ANATOMI TUMBUHAN DI STKIP PGRI SUMATERA BARAT Meriko, Lince; Yanti, Febri
Jurnal Bioconcetta Vol 1, No 2 (2015)
Publisher : STKIP PGRI Sumatera Barat

Sebagian besar mahasiswa STKIP PGRI Sumbar masih mengalami kesulitan dalam memecahkan masalah, terutama pada struktur anatomi jaringan tumbuhan. Hal ini menyebabkan prestasi siswa rendah. Berdasarkan hal tersebut maka telah dilakukan penelitian dengan menggunakan teknik Mind Map. Tujuan penelitian ini adalah untuk meningkatkan aktivitas belajar siswa pada pokok struktur jaringan pada organ vegetatif dan organ generatif tumbuhan melalui penerapan model pembelajaran aktif menggunakan Mind Map. Jenis penelitian yang dilakukan adalah Penelitian Tindakan Kelas (PTK) Siswa yang menjadi subjek penelitian bahwa siswa Sesi E Angkatan 2013 yang sebesar 33 orang. Penelitian yang dilakukan terdiri dari 2 siklus. Setiap siklus terdiri dari empat tahap yaitu perencanaan, tindakan, observasi, dan refleksi. Hasil yang diperoleh setelah melakukan penelitian ini adalah peningkatan aktivitas siswa Prodi Pendidikan Biologi pada tahun 2013 sesi E pada mata pelajaran anatomi tumbuhan sebagai hasil dari penerapan Mind Map. Perbandingan aktivitas pada Siklus I ada 1 indikator yang mencapai kriteria baik yaitu indikator A.1, sedangkan pada Siklus II ada 2 indikator yang mencapai kriteria sangat baik yaitu indikator A.1, dan A.5. Pada akhir Siklus II semua indikator aktivitas belajar mahasiswa sudah mencapai target yang telah ditetapkan.

STRUKTUR STOMATA DAUN BEBERAPA TUMBUHAN KANTONG SEMAR (Nepenthes spp.) [Structure of Leaves Stomata on Some Pitcher Plants (Nepenthes spp .) ] Meriko, Lince
BERITA BIOLOGI Vol 16, No 3 (2017)
Publisher : Research Center for Biology-Indonesian Institute of Sciences

The exploitation of pitcher plants (Nepenthes spp.) for economics interest and forest degradation make a higher extinction risk for Nepenthes globally. This research was aimed to examine anatomical structure of stomata of Nepenthes gracilis, N. reinwardtiana, N. ampullaria. The result showed that the type of stomata of N. gracilis and N. reinwardtiana has the actinocitic type while, N. ampullaria has anomocitic stomata type.

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