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All Journal HAYATI Journal of Biosciences Jurnal Biologi Udayana Jurnal Pelita Pendidikan Biosfer: Jurnal Tadris Biologi JURNAL PENELITIAN SAINTIKA BIOLINK (Jurnal Biologi Lingkungan, Industri, Kesehatan) Jurnal Pendidikan Biologi Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Bioedukatika BIOEDUSAINS: Jurnal Pendidikan Biologi dan Sains Bioedusiana: Jurnal Pendidikan Biologi Asian Journal of Agriculture Jurnal Pembelajaran dan Biologi Nukleus Best Journal (Biology Education, Sains and Technology) Bioeduca : Journal of Biology Education Bioscientist : Jurnal Ilmiah Biologi Bisnis Net : Jurnal Ekonomi dan Bisnis Indonesian Science Education Research (ISER) Prosiding Seminar Nasional Biologi, Teknologi dan Kependidikan (Biotik) Biocaster : Jurnal Kajian Biologi Jurnal Intelek Dan Cendikiawan Nusantara Jurnal Intelek Insan Cendikia JKRL-Juli Jurnal Pendidikan Kurikulum dan Pembelajaran Metamorfosa: Journal of Biological Science Open Access DRIVERset
CICIK SURIANI
Universitas Negeri Medan
Religion Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Energy Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Other

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The Effect of Concentration and Application Interval of Plant Growth-Promoting Rhizobacteria (PGPR) from Thorny Bamboo Roots (Bambusa blumeana) on the Growth and Yield of Chili Pepper (Capsicum frutescens L.) Tamba, Lisna P.J.; Suriani, Cicik
Metamorfosa: Journal of Biological Sciences Vol. 12 No. 2 (2025)
Publisher : Program Magister Ilmu Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2025.v12.i02.p4

Abstract

The steady demand for chili pepper throughout the year encourages farmers to plant continuously without considering environmental factors, thereby reducing chili pepper production. This decline is caused by low soil fertility due to excessive use of chemical fertilizers. One environmentally friendly approach is the use of Plant Growth Promoting Rhizobacteria (PGPR) Thorny Bamboo Roots (Bambusa blumeana). This study aims to determine the effect of PGPR concentration and application interval, as well as their interaction, on the growth and yield of chili pepper plants. The study used a two-factor Randomized Block Design (RBD), namely concentration (K0: 0 ml/L, K1: 10 ml/L, K2: 20 ml/L, K3: 30 ml/L, K4: 40 ml/L) and time interval (I1: once every 7 days, I2: once every 14 days). The research data were analyzed using ANOVA and then continued with the BNT test. The results showed that the PGPR concentration had a significant effect on all parameters, namely plant height, number of leaves, stem diameter, number of flowers, number of fruits, and wet weight, while the time interval only had a significant effect on stem diameter, and the interaction between the two had no significant effect on all treatments. A concentration of 40 ml/L (K4) was the best concentration, with an average plant height of 63.66 cm, number of leaves of 23.66, stem diameter of 12.86 mm, number of flowers of 16.66, number of fruits of 17.16, and wet weight of 20.73 grams. The 14-day interval (I2) was the optimal interval for stem diameter, with an average of 4.58 mm. Keyword: Thorny bamboo, chili pepper, time interval, concentration, PGPR
The Effect of Concentration and Application Interval of Plant Growth-Promoting Rhizobacteria (PGPR) from Thorny Bamboo Roots (Bambusa blumeana) on the Growth and Yield of Chili Pepper (Capsicum frutescens L.) Tamba, Lisna P.J.; Suriani, Cicik
Metamorfosa: Journal of Biological Sciences Vol. 12 No. 2 (2025)
Publisher : Program Magister Ilmu Biologi, Fakultas Matematika dan Ilmu Pengetahuan Alam, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2025.v12.i02.p4

Abstract

The steady demand for chili pepper throughout the year encourages farmers to plant continuously without considering environmental factors, thereby reducing chili pepper production. This decline is caused by low soil fertility due to excessive use of chemical fertilizers. One environmentally friendly approach is the use of Plant Growth Promoting Rhizobacteria (PGPR) Thorny Bamboo Roots (Bambusa blumeana). This study aims to determine the effect of PGPR concentration and application interval, as well as their interaction, on the growth and yield of chili pepper plants. The study used a two-factor Randomized Block Design (RBD), namely concentration (K0: 0 ml/L, K1: 10 ml/L, K2: 20 ml/L, K3: 30 ml/L, K4: 40 ml/L) and time interval (I1: once every 7 days, I2: once every 14 days). The research data were analyzed using ANOVA and then continued with the BNT test. The results showed that the PGPR concentration had a significant effect on all parameters, namely plant height, number of leaves, stem diameter, number of flowers, number of fruits, and wet weight, while the time interval only had a significant effect on stem diameter, and the interaction between the two had no significant effect on all treatments. A concentration of 40 ml/L (K4) was the best concentration, with an average plant height of 63.66 cm, number of leaves of 23.66, stem diameter of 12.86 mm, number of flowers of 16.66, number of fruits of 17.16, and wet weight of 20.73 grams. The 14-day interval (I2) was the optimal interval for stem diameter, with an average of 4.58 mm. Keyword: Thorny bamboo, chili pepper, time interval, concentration, PGPR
Pengembangan Buku Ajar Kultur Jaringan Berbasis Project Based Learning untuk Meningkatkan Keterampilan Proses Sains Mahasiswa Biologi Azzahra, Yolanda Putri; Harahap, Fauziyah; Panggabean, Nurul Huda; Hadinata, Aristo; Suriani, Cicik; Gultom, Tini Rosalia
Bioedusiana: Jurnal Pendidikan Biologi Vol 10, No 1 (2025): Bioedusiana
Publisher : Jurusan Pendidikan Biologi - Universitas Siliwangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37058/bioed.v10i1.14000

Abstract

Minimnya kegiatan praktikum dan kurang lengkapnya materi pada buku kultur jaringan di perpustakaan serta tidak terintegrasikannya model pembelajaran yang dapat melatih keterampilan proses sains (KPS) di dalam buku-buku tersebut membuat rata-rata tingkat KPS mahasiswa Biologi di Universitas Negeri Medan tergolong sedang (49,26). Penelitian ini bertujuan untuk mengembangkan buku ajar kultur jaringan berbasis Project Based Learning serta mengetahui tingkat keefektifan buku dalam meningkatkan KPS mahasiswa biologi pada materi kultur jaringan. Penelitian menggunakan model pengembangan 4D. Subjek penelitian ini terdiri dari ahli materi, ahli media dan desain, dosen kultur jaringan dan 47 orang mahasiswa. Instrumen yang digunakan: lembar studi dokumentasi, lembar wawancara, lembar angket analisis kebutuhan, lembar uji validasi, angket respon dosen dan mahasiswa serta tes KPS. Teknik pengumpulan data yang menggunakan studi dokumentasi, wawancara, kuesioner dan tes sedangkan teknik analisis data dilakukan dengan uji N-Gain. Hasil menunjukkan bahwa persentase kelayakan buku berdasarkan penilaian ahli materi 90,26% (sangat layak) dan ahli media desain 98,6% (sangat layak). Respon dosen memperoleh persentase sebesar 89,06% dengan kategori layak. Uji coba perorangan sebesar 91,66%, uji coba kelompok kecil sebesar 89,5% dan uji coba kelompok besar sebesar 90,21%. Ketiganya berada pada kategori sangat layak. Rata-rata N-Gain KPS mahasiswa memperoleh nilai 0,6 dan rata-rata N-Gain KPS per indikator memperoleh nilai 0,65, kedua angka tersebut berada pada kategori sedang. Berdasarkan hasil penelitian tersebut, dapat disimpulkan bahwa  buku ajar berbasis PjBl cukup efektif dalam meningkatkan KPS biologi pada materi kultur jaringan di Universitas Negeri Medan.
In vitro plant regeneration of Cattleya sp. from Protocorm-Like Bodies (PLBs) using coconut water and activated charcoal HARAHAP, FAUZIYAH; SIREGAR, ANITA RASUNA SARI; IDRAMSA, IDRAMSA; SURIANI, CICIK; EDI, SYAHMI; PANGGABEAN, NURUL HUDA; DAULAE, ABDUL HAKIM; POHAN, SELVIA DEWI; TANJUNG, AURA ALBIZIA; PERTIWI, SUFINA INTAN; KAIRANI, ANITA
Asian Journal of Agriculture Vol. 10 No. 1 (2026)
Publisher : Smujo International

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/asianjagric/g100100

Abstract

Abstract. Harahap F, Siregar ARS, Idramsa, Suriani C, Edi S, Panggabean NH, Daulae AH, Pohan SD, Tanjung AA, Pertiwi SI, Kairani A. 2026. In vitro plant regeneration of Cattleya sp. from Protocorm-Like Bodies (PLBs) using coconut water and activated charcoal. Asian J Agric 10 (1): g100130. https://doi.org/10.13057/asianjagric/g100130. Cattleya sp. is an ornamental orchid whose seeds lack of endosperm, making natural germination and propagation difficult. In vitro culture using Protocorm-Like Bodies (PLBs) offers an alternative for mass propagation. This study aimed to evaluate the effects of coconut water and activated charcoal on the in vitro regeneration of Cattleya sp. PLBs. A completely randomized design was employed with varying concentrations of coconut water (0, 5, and 10%) and activated charcoal (0, 0.1, 0.2, and 0.3 g/L). Morphological parameters observed included time to shoot emergence, number of leaves, shoots, and roots, as well as shoot color. Data were analyzed using two-way ANOVA. The results showed that coconut water significantly accelerated shoot emergence with 10% of coconut water producing the fastest response (12 days after treatment). Activated charcoal enhanced shoot and leaf formation with 0.3 g/L, producing the highest number of shoot and leaf. Root formation was optimal at lower charcoal concentrations. Overall, the combination of coconut water and activated charcoal significantly influenced PLBS growth and regeneration. These findings indicate that appropriate combinations of organic additives can optimize in vitro regeneration of Cattleya sp. and support efficient orchid propagation.
DIVERSITY AND MORPHOLOGY OF ORNAMENTAL PLANTS IN KARO REGENCY: BOTANICAL INVENTORY AND SUSTAINABLE USE POTENTIAL Wina Dyah Puspita Sari; Aswarina Nasution; Cicik Suriani; Nadia Mubarokah; Anita Kairani
BIOLINK (Jurnal Biologi Lingkungan Industri Kesehatan) Vol. 12 No. 2 (2026): Biolink February
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/biolink.v12i2.16446

Abstract

This study aims to document the diversity and morphological traits of ornamental plants in Karo Regency and assess their potential for sustainable use. Employing a qualitative descriptive approach, field surveys at Brastagi were conducted at 8 days, morphological observations, and semi-structured interviews with local communities and experts were held with 10 keys conducted. Sixteen ornamental species from 12 families were identified, including terrestrial and epiphytic orchids, ferns, and flowering plants such as Begonia laruei and Ixora javanica. These species are found at elevations of 920–1,000 meters within montane tropical rainforest habitats characterized by high humidity and limited light. Morphological adaptations indicate resilience to these specific conditions. Production data indicate the important economic role of ornamental plant cultivation in Karo Regency. Chrysanthemum, rose, and tuberose are the most widely cultivated species. This reflects their socioeconomic relevance. The integration of botanical and ethnobotanical data provides essential baseline information supporting biodiversity conservation and sustainable horticulture development. This research contributes valuable insights supporting conservation planning and community-based sustainable development in North Sumatra.
ANAL ISIS GAYA BELAJAR DAN HUBUNGANNYA TERHADAP HASIL BELAJAR BIOLOGI SISWA PADA MATERI SISTEM REPRODUKSI MANUSIA Siti Rahmah; Cicik Suriani; Eni Susanti
Jurnal Pelita Pendidikan Vol. 5 No. 2 (2017): Jurnal Pelita Pendidikan
Publisher : Universitas Negeri Medan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24114/jpp.v5i2.8438

Abstract

Penelitian ini bertujuan untuk menganalisis gaya belajar siswa serta hubungannya dengan hasil belajarbiologi siswa kelas XI MIA SMA Negeri 4 Medan. Populasi dalam penelitian ini adalah seluruh kelas XI MIA SMANegeri 4 Medan yang terbagi atas 10 kelas dengan jumlah siswa sebanyak 400 orang siswa. Sedangkan, sampelpenelitian diambil secara purposive sampling yang berjumlah sebanyak 80 orang siswa. Metode penelitian yangdigunakan dalam penelitian ini adalah deskriptif, dengan kuesioner (angket) dan tes sebagai alat pengumpul datapenelitian. Dari hasil pengolahan data diketahui skor rata-rata gaya belajar sebesar 42,8 dan SD sebesar 3,44sedangkan, rata-rata hasil belajar sebesar 79,1 dan SD sebesar 6,36. Untuk uji homogenitas Fhitung < Ftabel (0,540< 1,447) Ho diterima maka data X dan Y termasuk homogen. Dari harga koefiesien korelasi diketahui rhitung >rtabel (2,237 > 0,220) sehingga data tersebut terdapat korelasi yang berarti dan positif antara gaya belajar denganhasil belajar siswa dan perhitungan indeks determinasi sebesar 48% terhadap pencapaian hasil belajar siswa. Untukpengujian hipotesis diperoleh t hitung > t tabel (9,89 > 1,67) pada taraf   0,05 maka data termasuk Haditerima sekaligus menolak Ho, sehingga dapat disimpulkan bahwa ada hubungan antara gaya belajar terhadaphasil belajar biologi siswa kelas XI MIA SMA Negeri 4 Medan.Kata Kunci: Gaya Belajar, Hasil Belajar, Sistem Reproduksi Manusia
Co-Authors . SUHARSONO A Aryeni A. Hadian Pratama Hamzah A. Hadian Pratama Hamzah Abdul Hakim Daulae Adel Dwi Nita Silalahi Afni Nurjanah Agita Setya Ningrum Aisyah Amira Nasution Alvina Oktavia Alya Meuthya Reayani Padang Amelia Patra Harahap Ananda Adilla Anastasia Sinaga Anisah Huzaifah Anisali Panjaitan Anita Kairani Annisa Ridha Riyani Aprilia Shofia Isyfi Armaniar, Armaniar Ashar Hasairin Asih Maulida Hasni Asri, Elita Aswarina Nasution Aswarina Nasution Ayu Putri Ningsih Azzahra, Yolanda Putri Bertha Angelina sidauruk Br Bangun, Edmy Febriani Brema Pratama Chairani Fadilla Chyntia Dwi Camelia Cindi Claudia Sipayung Cindi Santika Ramadina Daulae, Abdul Hakim Daulay, Abdul Hakim Desi Novianty Br Ginting Desi Sakinah Tinendung Didi Febrian Donna Ariesta Sinaga Elis Putri Aldina Harahap Elista Sianturi Elza Amanda Emia Sapna Marsyalina Br Barus Eni Susanti Ermy Veronica Sitompul Ester Tania Monita Silalahi Fadillah, Yulia Rahmah Fauziyah Harahap Fauziyah Harahap Fauziyah Harahap Findi Septiani Findi Septiani Fitri Afifah Nasution Geovany Panjaitan Grace Violencia Gusni Katrina Zalukhu Hadinata, Aristo HANDAYANI, DINA Harahap, Salamah Hasanah, Dwi Hasratuddin . Helga Irene Purba Idramsa Idramsa, Idramsa Imelda Sri Ulina Br Purba Irene Putri Dinanti Manurung Judika Agnesia Purba Juli Nola Olivia Sinaga Kairani, Anita Lia Rahmawati Lina Warlina Louisa Assian Sinaga MANSUR AS Maylani Magdalena Br Malau Mufti Sudibyo, Mufti Muhammad Fadhal Faiq Muhammad Fahrizal, Muhammad Nadhilla, Annisa Nadia Mubarokah Nadilla Putri Nasution, Ahmad Luthfi Abdillah Nasution, Aswarina Nur Alifah Fitriyana Siallagan Nurdyana Nasution Nurhasanah Nurhasanah Nurhasanah Nurhasanah Nurlela Br Ginting Nurlia Zahara Nursamsu Nursamsu Nurul Aini Nurul Ummi Lubis Nusyirwan Nusyirwan Panggabean, Nurul Huda Panggabean, Syakilah Kurnia Fahmi Parasetya, Eko PERTIWI, SUFINA INTAN Puji Prastowo Puspita, Wina Dyah Putri Agresia Sinaga Putri Diana Rafi Alwaliyyu Rafiqah Yusna Siregar Rahel Octavia Siaahan Ratih Indah Sundari Rehlitna Fransiska Sitepu Rini Syahrayni Hasibuan Rizki Fatahillah Hutasuhut Rizki Jumiati Hasibuan Roedhy Poerwanto Rosa Sari Amalia Nasution Roulina Siburian Sakinah Warohmah Samsul Kamal Sanimah Sari, Elvira Nanda Selvia Dewi Pohan Sembiring, Gres Anjelia Serina Fitri Ayu Limbong Sihombing, Josephine Gloria Margareth Simanjuntak, Maretta Indah Sari Sinthia Brigyta Pangerapan Sinthya Syahputri Sinuraya, Kenari Br Siregar, Anita Rasuna Sari Siti Rahma Sari siti rahmah Sitompul, Rahmadi Sitti Subaedah Sohifah Sohifah Sohifah Sopi Yanti Sri Dewi Nainggolan Sri Harijati Sri Harijati Sri Wahyuni Siregar Stevani Azharia Br Ginting Subhan Abadi Nasution Suci Rahayu Syafitri, Ade Syahmi Edi Syahmi Edi Syarifuddin Syarifuddin Tamba, Lisna P.J. Tanjung, Aura Albizia Tawaria Anasari Barus Tini Rosalia Gultom, Tini Rosalia Togi Romaito Siagian Umayra Umayra Vanesia Syhana EZ Sinaga Wasis Wuyung Wisnu Brata Wasis Wuyung Wisnu Brata Wina Dyah Puspita Sari, Wina Dyah Yohana L Purba Yolanda Dealova Sihite Yunda Safitri Zahara Ain Nur Syahru ⁠Intan Dwita Syahfitri