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Praptining Rahayu
IKIP PGRI Semarang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Environmental Science Immunology & microbiology Languange, Linguistic, Communication & Media Mechanical Engineering Social Sciences Veterinary Other

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POTENSI EKSTRAK SIRSAK (Annona muricata) SEBAGAI LARVASIDA PENGENDALI POPULASI Aedes albopictus Widyastuti, Dyah Ayu; Rahayu, Praptining; Dewi, Lussana Rossita
Bioeksperimen: Jurnal Penelitian Biologi Vol 5, No 1: Maret 2019
Publisher : Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/bioeksperimen.v5i1.7991

Abstract

Aedes albopictus dilaporkan memiliki potensi yang besar untuk menyebarkan virus dengue penyebab DBD di Indonesia. Habitat yang beragam di area terbuka serta area distribusi yang luas menjadikan jenis ini cenderung sulit dikendalikan, padahal pengendalian jumlah populasi nyamuk vektor menjadi salah satu tindakan preventif terbaik untuk mencegah meluasnya penyebaran virus dengue. Pengendalian vektor dilakukan dengan memutus siklus hidupnya pada fase larva dengan larvasida sehingga jumlah populasi dapat terkendali, namun, penggunaan larvasida masih didominasioleh produk dengan bahan dasar senyawa kimia yang dapat menimbulkan resistensi pada vektor target, mencemari lingkungan, dan memiliki resiko toksik terhadap organisme non-target, seperti manusia dan hewan lainnya. Berdasarkan fakta tersebut, studi ini bertujuan untuk menganalisis potensi senyawa bioaktif pada sirsak (Annona muricata) untuk dikembangkan sebagai larvasida alami pengendali jumlah populasi Ae. Albopictus. Ekstrak A. muricata telah banyak diteliti dan terbukti memiliki kandungan senyawa bioaktif seperti acetogenin, alkaloid, dan flvonoid yang bersifattoksik bagi serangga. Banyak penelitian telah membuktikan bahwa ekstrak senyawa bioaktif dari A. muricata efektif sebagai larvasida untuk serangga famili Culicidae, termasuk Ae. aegypti dan Culex quinquefasciatus. Lebih baiknya jika ada data kuantitatif bukti efektif. Hasil tersebut menunjukkan adanya potensi ekstrak A. muricata juga bersifat toksik bagi anggota Culicidae yang lain, yaitu Ae. albopictus.
PEMBELAJARAN ANALISIS ARTIKEL ILMIAH UNTUK MENINGKATKAN KEMAMPUAN BERPIKIR ILMIAH Rahayu, Praptining; Ulfah, Maria; Dewi, Lussana Rossita
Prosiding Seminar Biologi Vol 10, No 2 (2013): Seminar Nasional X Pendidikan Biologi
Publisher : Prodi Pendidikan Biologi FKIP UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (214.889 KB)

Abstract

Mahasiswa sebagai masyarakat ilmiah tentunya harus mampu berpikir ilmiah. Dalam berpikir ilmiah mahasiswa harus obyektif, rasional, terbuka, dan selalu beorientasi pada kebenaran. Akan tetapi masih banyak mahasiswa yang belum mampu berpikir ilmiah, hal ini dapat dilihat ketika mahasiswa mulai menyusun  proposal penelitian untuk skripsi belum dapat menerapkan metode ilmiah dengan benar. Selain itu, plagiatisme dalam penyusunan skripsi marak terjadi. Apabila hal tersebut terus berlanjut, kualitas pendidikan di perguruan tinggi akan semakin menurun, karena  lulusan perguruan tinggi setidaknya mampu melakukan penelitian dan memiliki kemampuan berpikir ilmiah. Makalah ini membahas kemungkinan menerapkan konsep pembelajaran analisis artikel ilmiah untuk mengetahui peningkatan kemampuan berpikir ilmiah. Penelitian ini merupakan Penelitian Eksperimen, lokasi penelitian di Program Studi Pendidikan Biologi IKIP PGRI Semarang. Adapun subjek dalam penelitian ini adalah Mahasiswa semester IV Program Studi Pendidikan Biologi pada matakuliah Genetika. Data yang diperoleh dalam penelitian ini adalah kemampuan berpikir ilmiah mahasiswa dalam menganalisis artikel ilmiah,  data diambil dari hasil belajar berupa hasil analisis artikel ilmiah sebagai salah satu produk dari proses berpikir ilmiah  Kata kunci : analisis artikel ilmiah, berpikir ilmiah
KONSEP PENGETAHUAN LINGKUNGAN GREEN CHEMISTRY PADA PROGRAM STUDI PENDIDIKAN BIOLOGI Ulfah, Maria; Rahayu, Praptining; Dewi, Lussana Rossita
Prosiding Seminar Biologi Vol 10, No 3 (2013): Seminar Nasional X Pendidikan Biologi
Publisher : Prodi Pendidikan Biologi FKIP UNS

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (385.081 KB)

Abstract

Green Chemistry adalah paradigma yang menggiatkan rancangan proses dan produk yang bisa memperkecil bahkan menghilangkan penggunaan maupun pembentukan bahan kimia beracun dan berbahaya. Green Chemistry mengembangkan inovasi proses kimia yang menggeser, menambah/mengurangi atau memperbaharui proses kimia tradisional-konvensional menjadi lebih ramah terhadap lingkungan maupun manusia tanpa meninggalkan prinsip-prinsip optimasi proses produksi. Penerapan Green Chemistry adalah langkah penting menuju pembangunan berkelanjutan (sustainable development). Makalah ini membahas kemungkinan menerapkan konsep dan aspek-aspek Green Chemistry dalam mata kuliah Pengetahuan Lingkungan pada mahasiswa Pendidikan Biologi, terutama bila ilmu kimia bukan merupakan mata kuliah pokok. Tahapan pelaksanaan penerapan konsep Green Chemistry adalah sebagai berikut, tahap pertama, menanamkan kepekaan mahasiswa tentang masalah lingkungan dan pencemaran yang diakibatkan oleh bahan kimia beracun dan berbahaya, tahap kedua, mengenalkan kepada mahasiswa 12 prinsip Green Chemistry, tahap ketiga, mahasiswa belajar menganalisa penerapan prinsip Green Chemistry dalam mata kuliah Pengetahuan Lingkungan.    Kata Kunci : Green Chemistry, sustainable development, Pengetahuan Lingkungan, 12 prinsip Green Chemistry.
Efektivitas Variasi Ukuran Botol Media Tanam Terhadap Pertumbuhan Planlet Anggrek Phalaenopsis amabilis L. Dewi, Aulia Widiawati Fitriana; Rahayu, Praptining; Dewi, Endah Rita Sulistya
BIOEDUSAINS:Jurnal Pendidikan Biologi dan Sains Vol 7 No 2 (2024): Bioedusains: Jurnal Pendidikan Biologi dan Sains
Publisher : Institut Penelitian Matematika, Komputer, Keperawatan, Pendidikan dan Ekonomi (IPM2KPE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31539/bioedusains.v7i2.11393

Abstract

This study aims to determine the effect of variations in media bottle size on the growth of Phalaenopsis amabilis L. orchid plantlets. This study used a Completely Randomized Design (CRD) with variations in one factor, namely the size of the media bottle (P1: 250 ml, P2: 500 ml, and P3: 750 ml). Each treatment variation was repeated four times. The results of data analysis in this study used the SPSS 27 program. The data was tested for normality and homogeneity, then continued with the ANOVA (Analysis of Variance) test at the 5% level. If there is a significant influence then proceed with the Least Significant Difference (BNT) test. The results of the research showed that there was an effect of using variations in the size of the 750 ml bottle on the parameters of root length and number of roots. In conclusion, variations in the size of the planting medium bottle can influence the growth of Phalaenopsis amabilis L. orchid plantlets including root length and number of roots. Keywords: Tissue Culture, Phalaenopsis amabilis L., Bottle Size
Species Diversity and Distribution Area of Lichen in Baturraden Botanical Garden, Banyumas Yulianti, Siska Dwi; Mulyaningrum, Eko Retno; Rahayu, Praptining
Journal of Biotechnology and Natural Science Vol. 2 No. 1 (2022): June
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1315.353 KB) | DOI: 10.12928/jbns.v2i1.5226

Abstract

Lichen is a symbiotic organism between fungi and algae which is used as a bioindicator of air pollution. This study aims to determine the diversity of species and distribution areas of lichen in Baturraden Botanical Garden, Banyumas Regency by using purposive random sampling method. Sampling was carried out at three stations, namely flora of Java forest (Javanese mountain plants), resin tree forest (damar forest), and natural forest. Based on the results of the research at the three observation stations, 10 species of lichen were found. The lichens found belonged to 8 families including Cryptothecia striata (Family Arthoniaceae), Dirinaria picta (Family Caliciaceae), Graphis scripta and Diorygma poitaei (Family Graphidaceae), Parmotrema austrosinense and Parmotrema perlatum (Family Parmeliaceae), Psilolechia lucida (Family Psilolechiaceae), Lepraria caeosioalba (Family Stereocaulaceae), Normandina pulchella (Family Verrucariaceae), Opegrapha atra (Family Opegraphaceae). The thallus types of lichen found were foliose, crustose, and squamulose species. The average value of the species diversity index from the three stations is H' = 1.493 in the moderate abundance category. The distribution of lichens in Baturraden Botanical Garden is influenced by climatic factors (light intensity, air temperature, humidity), topographic factors (altitude) and environmental conditions. 
Identification of Factors Causing Student Misconceptions Using Five-Tier in the Material Exploring Cells for Grade XI: Identifikasi Faktor Penyebab Miskonsepsi Siswa dengan Menggunakan Five-Tier pada Materi Menjelajah Sel Kelas XI Habsari, Khusna Yurdhika; Sumarno; Rahayu, Praptining
BIO-EDU: Jurnal Pendidikan Biologi Vol. 10 No. 2 (2025): BIO-EDU: Jurnal Pendidikan Biologi - August 2025
Publisher : Jurusan Pendidikan Biologi, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Timor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32938/jbe.v10i2.7787

Abstract

Misconception is one of the problems that is often found in the learning process, this is because of the discrepancy between the concepts that students have with the actual concept. Misconceptions that continue to occur without realizing it will cause students difficulty in receiving learning. This study aims to identify the factors that cause misconceptions that occur in students using the Five-Tier test and questionnaire. The population in this study were students of grade XI of SMA Negeri 1 Jakenan. The sample in the study were students of class XI-10 SMA Negeri 1 Jakenan. The sampling technique used was purposive sampling. The data collection method used a five-tier question instrument to measure misconceptions in students and their sources and a questionnaire instrument was used to find out the causes of misconceptions in students. The results showed that 21.76% of students had misconceptions. Based on the results of research using a five-tier question, the sources of information used by students in answering the questions were highest from personal thoughts of 80.38%, teachers 0.48%, internet 8.92, friends 17.94%, and books 5.61%. The results obtained from the question are directly proportional to the results of the causes of misconceptions using questionnaire instruments, based on questionnaire data, the percentage of causes of misconceptions is 61.11% from students, 15.56% from teachers, 40.56% from the internet, 45% from friends, and 25% from books.
Effectiveness of Bottle Size Variation on the Growth of Dendrobium Striaenopsis Orchid Plantlets Andriani, Diska Rahma Putri; Rahayu, Praptining; Prasetiyo, Prasetiyo
JURNAL PEMBELAJARAN DAN BIOLOGI NUKLEUS Vol 10, No 1: Jurnal Pembelajaran Dan Biologi Nukleus March 2024
Publisher : Universitas Labuhanbatu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36987/jpbn.v10i1.5325

Abstract

The production of Dendrobium striaenopsis orchid cultivation in Indonesia has many obstacles including limited seed provision, low seed quality and cultivation techniques that have not been done well, while orchid enthusiasts always increase every year. Propagation of orchid plants by conventional means requires a long time to obtain a large number of plant saplings, therefore alternative cultivation using tissue culture techniques is needed. In vitro tissue culture techniques are widely used as a fast and efficient way to produce D. striaenopsis orchid plants, but not infrequently there are factors that affect the production of orchids, one of which is bottle size.  The purpose of this study is to determine the effect of the effectiveness of bottle size variations on the growth of        D. striaenopsis plantlets after comparing the difference in bottle volume and knowing the optimum size of bottles used for D. striaenopsis plantlet growth. The study was conducted from May to August 2023 in the Laboratory CV. Candi Orchid, Semarang City. The method used was the observation and experimental method after which it was continued with the One Way Anova test and further test T. In this study using Vacin and Went medium with a size of 60 ml by providing treatment variations in bottle sizes of 250 ml, 500 ml and 750 ml with 4 repeats. The result of this study is that a 750 ml bottle used in the tissue culture technique of D. striaenopsis Orchid is effective in use even though the growth of plantlets does not occur a significant difference, this is due to environmental factors, namely light intensity and duration of irradiation
Studi Komparatif Antara Tutup Filter dan Tutup Rapat pada Pertumbuhan Vegetatif Fase Pertumbuhan Planlet pada Anggrek Dendrobium donny rizal Fillah, Alifia Hasna Azzah; Rahayu, Praptining; Dewi, Lussana Rosita
Spizaetus: Jurnal Biologi dan Pendidikan Biologi Vol 5 No 1 (2024): Spizaetus: Jurnal Biologi dan Pendidikan Biologi
Publisher : Program Studi Pendidikan Biologi, FKIP, Universitas Nusa Nipa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55241/spibio.v5i1.331

Abstract

Penelitian ini bertujuan untuk mengetahui penggunaan tutup botol yang tepat pada pertumbuhan anggrek Dendrobium donny rizal antara penggunaan tutup botol filter dengan tutup botol rapat. Sampel penelitian terdiri dari 30 planlet anggrek D. donny rizal dengan diambil 5 planlet sebagai satuan pengukuran. Data tersebut diolah dengan menggunakan metode Rancangan Acak Lengkap (RAL) dengan satu faktor perlakuan yaitu tutup filter dan tutup rapat. Terdapat 2 perlakuan dengan 6 kali ulangan. Data penelitian diambil dengan teknik pengamatan dan pengukuran objek secara langsung dengan cara mengukur dan menghitung objek sesuai dengan parameter yang diamati. Data dianalisis dengan uji-t independent dengan taraf kepercayaan 5%. Hasil penelitian menunjukkan bahwa jenis tutup botol kultur berpengaruh terhadap semua parameter pertumbuhan vegetatif anggrek D. donny rizal. Planlet yang ditanam dengan tutup botol berfilter mempunyai ukuran  tinggi tanaman, pertumbuhan akar, dan pertumbuhan daun yang lebih besar dibandingkan dengan planlet yang ditanam di tutup botol rapat. Hal ini dikarenakan pada penggunaan tutup botol berfilter terjadi pergantian udara dari dan ke dalam botol kultur yang berpengaruh pada peningkatan laju proses fotosintesis
Pengaruh Konsentrasi Air Cucian Beras terhadap Pertumbuhan Anggrek Dendrobium sp. Pasca Aklimatisasi Hartanto, Maisabita Farah Amila; Dewi, Endah Rita Sulistya; Rahayu, Praptining
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2025): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i1.14938

Abstract

This study aims to investigate how various concentrations of rice-washed water influence the growth of Dendrobium sp. in the post-acclimatization phase. A Completely Randomized Design (CRD) with one factor and four treatments was used: P0 (0% rice-washed water), P1 (30% rice-washed water), P2 (40% rice-washed water), and P3 (50% rice-washed water). The statistical analysis was conducted using a One-Way ANOVA at a 5% level. If significant differences were found, further analysis was performed using Duncan's Multiple Range Test. The results of data analysis revealed that (1) There were no significant differences in plant height and root length of Dendrobium orchids across the treatments during the post-acclimatization phase; (2) Treatments P1 to P3 did not yield optimal results in terms of plant height, as these concentrations were not suitable for supporting the height growth of Dendrobium orchids in the post-acclimatization phase; (3) The P2 concentration resulted in the longest root growth at 2.39 cm, while the shortest root length was observed in the P0 concentration. Thus, although the different concentrations of rice washing water did not produce statistically significant differences, the P2 concentration showed potential for promoting root growth in Dendrobium orchids during the post-acclimatization phase.
Effect of Young Coconut Water Concentration on The Growth of Dendrobium Orchid Seedlings Irmayanti, Amanda; Prasetiyo, Prasetiyo; Rahayu, Praptining
Bioscientist : Jurnal Ilmiah Biologi Vol. 13 No. 1 (2025): March
Publisher : Department of Biology Education, FSTT, Mandalika University of Education, Indonesia.

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33394/bioscientist.v13i1.15056

Abstract

This study aims to assess the effect of young coconut water concentration on the growth of Dendrobium orchids. The research was conducted for 4 months at Candi Orchid Production House, Semarang, with a one-factor completely randomized design (CRD) and four treatments of young coconut water concentration (0 mL/L, 100 mL/L, 150 mL/L, 200 mL/L), each with five replications. Parameters observed included number of shoots, root length, and plant height. Data were analyzed using ANOVA and Duncan's further test at the 5% level. The results showed that the application of young coconut water had no significant effect on the number of shoots and root length (p > 0.05), but had a significant effect on plant height (p = 0.003), especially at a concentration of 100 mL/L. The predominance of cytokinin hormones in coconut water likely plays a role in stimulating stem growth, while its effects on shoots and roots require interactions with other hormones. Although coconut water contains essential nutrients, its composition may not be fully suitable for the physiological needs of orchids in the seedling phase.
Co-Authors Amila Hartanto, Maisabata Farah Andriani, Diska Rahma Putri Anwar, Lahib Atip Nurwahyunani Atip Nurwahyunani, Atip Dewi, Aulia Widiawati Fitriana Dyah Ayu Widyastuti Eko Retno Mulyaningrum Endah Rita Sulistya Dewi Fillah, Alifia Hasna Azzah Habsari, Khusna Yurdhika Hartanto, Maisabita Farah Amila Indriastuti, Chindy Arneta Irmayanti, Amanda Lussana Rosita Dewi, Lussana Rosita Lussana Rossita Dewi Maria Ulfah Maria Ulfah . Nur Anggraini, Desti Prasetiyo Prasetiyo Saputri, Amila Slamet Rahayu, Kukoh Puji Sumarno Yulianti, Siska Dwi