Article Per Year (5 Year)
p-Index From 2018 - 2023
2.024
P-Index
This Author published in this journals
All Journal Bioscience Jurnal Penelitian Pendidikan IPA (JPPIPA) Jurnal Agrotek Tropika Edumaspul: Jurnal Pendidikan Atrium Pendidikan Biologi Pelita Eksakta Symbiotic: Journal of Biological Education and Science
Moralita Chatri
Universitas Negeri Padang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Education Immunology & microbiology Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Other

Published : 12 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 12 Documents
Search

 1   2 
Pengaruh Media (Campuran Beras Dan Ampas Tebu) terhadap Pertumbuhan Trichoderma harzianum dan Daya Hambatnya terhadap Fusarium oxysporum secara In vitro Moralita Chatri
Bioscience Vol 2, No 1 (2018): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (198.608 KB) | DOI: 10.24036/02018219984-0-00

Abstract

Jamur Fusarium oxysporum merupakan jamur patogen umumnya ditemukan pada tanaman holtikultura. Jamur ini menyebabkan penyakit layu fusarium. Fungisida sintetis merupakan pilihan yang sering digunakan petani untuk menghambat penyebaran jamur ini. Namun penggunaannya menimbulkan banyak dampak negatif bagi lingkungan. Trichoderma harzianum memiliki sifat antagonis yang dapat menggantikan fungisida sintetis dalam menghambat pertumbuhan F. oxysporum. T. harzianum membutuhkan media pembawa seperti beras. Namun membutuhkan biaya yang cukup tinggi dan bersaing dengan kebutuhan manusia. Untuk itu dilakukan campuran antara beras dan ampas tebu untuk mencari media alternatif. Tujuannya agar mendapatkan media tumbuh yang lebih efektif dan efisien.Penelitian ini menggunakan Rancangan Acak Lengkap dengan 5 perlakuan dan 3 ulangan. Perlakuanya terdiri dari A. Media beras 100%, B. Media ampas tebu 100%, C. Media beras dan ampas tebu (1:1), D. Media beras dan ampas tebu (2:1), dan E. Media beras dan ampas tebu (1:2). Paremeter yang diamati yaitu pertumbuhan T. harzianum, kepadatan konidia, dan persentase hambatan terhadap  F. oxysporum.Hasil penelitian ini menunjukkan bahwa T. harzianum dapat tumbuh pada campuran media beras dengan ampas tebu. Media tumbuh mempengaruhi pertumbuhan, kepadatan konidia, serta daya hambatnya terhadap F. oxysporum Pertumbuhan yang terbaik yaitu pada media ampas tebu 100 %, kepadatan konidia tertinggi pada media beras 100% (11,6 x 109/ mL) dan persentase daya hambat tertinggi pada media ampas tebu 100% (60%). Hal ini menunjukkan bahwa media alternatif terbaik yaitu media ampas tebu 100%. Keywork : Fusarium oxysporum, layu fusarium, media, Trichoderma harzianum 
The Effect of Problem Based Learning (PBL) Models Containing Science Literacy On Student’s Learning Competencies In Digestive System Human Material at Junior High School 29 Padang Yanti Srinita Utami; Moralita Chatri; Relsas Yogica; Syamsurizal Syamsurizal
ATRIUM PENDIDIKAN BIOLOGI Vol 4, No 1 (2019): Atrium Pendidikan Biologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/apb.v4i1.4819

Abstract

This research is based on the problems that exist at junior high school 29 padang, namely the learning model that is less varied, students' learning competencies are still low. Efforts that can be done are applying the learning model problem based learning (PBL) with scientific literacy in the digestive system material at 29 Padang Junior High School. The purpose of this study was to determine the effect of the application of the learning model that Problem Based Learning (PBL)contained scientific literacy to the learning competencies of Grade VIII students of 29 SMP Negeri Padang. This research is an experimental research with randomized control group posttest only design. The study population is the students of class VIII Junior high school 29 padang 2018/2019 academic year which spread into nine classes. Sampling research using simple random sampling. The results were selected class VIII.3 as experimental class and class VIII.4 as a control class.The hypothesis in this study was tested using the t-test. The results of the study using the t-test it can be concluded that the competency of students' knowledge of the value of tcount3,34> ttable 1.67, in the competency attitude the value of tcount4.26> ttable 1.67, and the competence of value skills tcount 4.21> ttable 1.67. This shows that the hypothesis is accepted. So, it can be concluded that the application of PBL models with scientific literacy can improve the competency of knowledge, attitudes, and skills of class VIII students of junior high school 29 Padang. Keywords: Problem Based Learning, Sains Literation, Learning Competency 
The Effect of Learning Model Two Stay Two Stray Containing Science Literacy on Learners Competencies at Junior High School 25 Padang Yosi Safritry; Moralita Chatri; Relsas Yogica; Syamsurizal Syamsurizal
ATRIUM PENDIDIKAN BIOLOGI Vol 4, No 1 (2019): Atrium Pendidikan Biologi
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/apb.v4i1.5533

Abstract

The research problems at SMPN 25 Padang namely learning activities carried out have little opportunity to be active in communicating fellow students, the learning interest of students is lacking, there is no learning model charged with scientific literacy, it is not yet known the effect of learning models containing literacy on students' learning competencies. The purpose of the study was to determine the effect of student learning competencies through the learning model of two stay two stray with scientific literacy at SMP 25 Padang. This type of research is experimental research with the design of the static group comparison design. The population of this study were all VII grade students of SMP 25 Padang. Sampling using a porposive sampling technique. Assessing the results of the two-class learning comparison, namely in class VII.4 as the experimental class, used the learning model of two stay two stray with scientific literacy, while class VII.2 as the control class. Based on the results of the students' competency knowledge research, the value of tcount was 3,92> ttable 1,67, the attitude competency was 81% for the experimental class, 72% for the control class and in the skills competency tcount 4,20> ttable 1,67. This shows that the hypothesis is accepted. The conclusion of the study is that the application of the learning model of two stay two stray with scientific literacy has a positive effect on the competency of knowledge, attitudes and skills ofjunior high school 25 PadangPadang. 
Leaf Area and Stomata Index of Rice Plants (Oryza sativa L.) Cisokan and Batang Piaman Varieties to Drought Stress Putri Widianti; Violita Violita; Moralita Chatri
Bioscience Vol 1, No 2 (2017): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (519.08 KB) | DOI: 10.24036/02017128082-0-00

Abstract

Background and objective.The response of rice plants to drought stress was preceded by physiological response in the form of reduction of transpiration rate to reduce water loss by closing stomata, reducing stomata, and decreasing leaf surface area by leaf rolling. Therefore, it is necessary to research the morphological character and physiological character of plants such as leaf area analysis and stomata index to find out their response to drought stress and without drought. Based on this, this research is aimed to know the area and index of stemata leaves of rice plants (Oryza sativa L.) varieties of Cisokan and Batang Piaman due to drought stress.Methodology. Drought treatment was performed by withholding water for 12 days in greenhouse.Data were taken destructively on days 0, 4, 6 and 12 after treatment. Result. Drought stress had an effect on decreasing leaf area and stomata index on both varieties. The lowest leaf area is found in Cisokan variety. Likewise with the stomata index, the lowest yield after 12 days of treatment was found in the Cisokan variety. Low leaf area and stomatal index are known to be more resistant to drought because they can reduce the rate of transpiration in plants. Keywords:    Drouhgt stress, Leaf Area, Stomata index
Ethnobotany plants as traditional food additives in buffalo curry in pasar terandam village, barus district, central tapanuli regency Erwina Simanullang; Moralita Chatri; Resti Fevria; Des M. M.
Bioscience Vol 5, No 2 (2021): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/0202152109798-0-00

Abstract

People in Pasar Terandam Village still use plants as food additives. However, research has never been carried out, so that it has not been recorded and has not been listed. If not inventoried and cultivated, the plant can be lost or extinct. This study aims to determine the plants, -plant organs, plant status, and how to use them as traditional food additives in buffalo meat curry in Pasar Terandam Village, Barus District, Central Tapanuli Regency. This research was conducted from April to May 2020 using a survey method through observation and interviews. The results showed that 19 species from 15 families were used by the community of Pasar Terandam Village as traditional food additives to buffalo meat curry. Parts of plant organs used are tubers, leaves, stems, seeds, fruits, skins, and rhizomes. These plants is processed by cooking, pulverizing / mashed, pounded, cut, shredded, roasted and boiled. The community obtains these plants by cultivating seven species around the house or in the garden and buying them in markets or stalls for 12 species.Masyarakat di Desa Pasar Terandam masih banyak menggunakan tumbuhan sebagai bahan tambahan pangan. Namun, belum pernah dilakukan penelitian sehingga belum terdata dan belum terinventaris. Kalau tidak diinventaris dan dibudidayakan maka tumbuhan itu bisa hilang atau punah. Penelitian ini bertujuan untuk mengetahui jenis-jenis tumbuhan yang digunakan, bagian organ tumbuhan, status tumbuhan dan cara pemanfaatannyasebagai bahan tambahan pangan tradisional pada gulai kerbau di Desa Pasar Terandam Kecamatan Barus Kabupaten Tapanuli Tengah. Penelitian ini dilakukan pada bulan April sampai Mei 2020 menggunakan metode survei melalui observasi dan wawancara.Hasil penelitian didapatkan 19 species dari 15 familia yang digunakan masyarakat Desa Pasar Terandam sebagai tambahan pangan tradsional pada gulai kerbau. Bagian organ tumbuhan yang digunakan adalah umbi, daun, batang, biji, buah, kulit, dan rimpang. Cara penggunaanya yaitu dengan dimasak, diuleg/dihaluskan, ditumbuk, dipotong, diparut, disangrai dan direbus.Masyarakat memperoleh tumbuhan tersebut dengan cara membudidayakan di sekitar rumah atau di kebun sebanyak 7 specises dan membelinya di pasar atau warung sebanyak 12 species.
Identification of fungi in biogas mixed with buffalo dung and leaf onion waste (Allium cepa L.) Mei Niarti; Irdawati Irdawati; Moralita Chatri; Des M Des
Bioscience Vol 5, No 2 (2021): Biology
Publisher : UNIVERSITAS NEGERI PADANG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/0202152106831-0-00

Abstract

Biogas is a gas produced from the decomposition process of organic materials by microorganisms in anaerobic conditions. Waste of red onion (Allium cepa L.) and buffalo dung contain organic substances and nutrients that can be used as biogas. The purpose of this study was to identify fungi in biogas mixed with buffalo dung with scallion waste (Allium cepa L.).The study was conducted from April to September 2019 in the Microbiology Laboratory and Integrated Research Laboratory, Department of Biology, Faculty of Mathematics and Natural Sciences, State University. This research is a descriptive study by observing macroscopic and microscopic characters as a basis for identification produced by fungi in buffalo dung biogas (Pariaman, West Sumatra) and onion leaf waste from Alahan Panjang, West Sumatra.The results of this study obtained 5 genus of fungi on biogas substrate from a mixture of buffalo dung with scallion waste (Allium cepa L.) including: Aspergillus, Trichoderma, Candida, Mucor and Humicolla. Biogas adalah gas yang dihasilkan dari proses penguraian bahan-bahan organik oleh mikroorganisme dalam keadaan anaerob. Limbah daun bawang merah (Allium cepa L.) dan kotoran kerbau mengandung zat organik dan unsur hara yang dapat dijadikan sebagai biogas. Tujuan penelitian ini untuk mengidentifikasi jamur pada biogas campuran kotoran kerbau dengan limbah daun bawang merah (Allium cepa L.). Penelitian dilaksanakan dari bulan April sampai bulan September 2019 di Laboratorium Mikrobiologi dan Laboratorium Penelitian Terpadu Jurusan Biologi Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Negeri. Penelitian ini merupakan penelitian deskriptif dengan mengamati karakter makroskopis dan  mikroskopis  sebagai dasar identifikasi yang dihasilkan oleh jamur pada biogas kotoran kerbau (Pariaman, sumatera barat ) dan limbah daun bawang merah dari alahan panjang, sumatera barat. Hasil dari penelitian ini diperoleh 5 genus jamur  pada substrat biogas dari campuran kotoran kerbau dengan limbah daun bawang merah (Allium cepa L.) diantaranya yaitu: Aspergillus, Trichoderma, Candida, Mucor dan Humicolla.
Prevention of Cervical Cancer With Seminar and IVA Test for Productive Ages Women In Universitas Negeri Padang Elsa Yuniarti; Rahmawati Darrussyamsu; Moralita Chatri
Pelita Eksakta Vol 3 No 1 (2020): Pelita Eksakta Vol. 3 No. 1
Publisher : Fakultas MIPA Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/pelitaeksakta/vol3-iss1/93

Abstract

Cervical cancer is one of the main problems of reproductive health in women in Indonesia. The results of a questionnaire of 100 women of productive age workers in UNP 80% had never done an IVA test and did not know about the IVA test for early detection of cervical cancer. Lack of knowledge and awareness of women workers at UNP to take preventive measures for early detection of cervical cancer, is carried out in prevention of cervical cancer with seminar and IVA test for productive ages women in Universitas Negeri Padang. Activities have been carried out in the rector's office, faculties and IVA test at the UNP polyclinic in collaboration with the Air Tawar Health Center, Padang City Health Office and the UNP Polyclinic. This activity has 3 stages namely seminar the importance of early detection of cervical cancer, IVA test and monitoring. Participants are women of childbearing age over the age of 18 who are married / widowed, not yet married but have had sexual intercourse at UNP. Seminar participants totaling 130 participants have exceeded the 30% target. Monitoring activities are carried out with questionnaires to participants through a Google form sent to participant WhatsApp. The questionnaire contained aspects of knowledge and attitudes of participants towards early detection of cervical cancer. The results obtained 88.40% knowledge aspects (very good) and 84.16% attitude (good). But the participation for IVA test is still less than 10%. With this activity increased knowledge and active role of women for preventive action with early detection of cervical cancer that aims to improve the quality of health and reduce the mortality rate of Indonesian women against cervical cancer.
Pengaruh Penambahan Gula Terhadap Waktu Fermentasi Sauerkraut Dari Kol (Brassica Oleracea L.) cynthia perdana putri; Resti Fevria; Moralita Chatri; Afifatul Achyar
Symbiotic: Journal of Biological Education and Science Vol. 1 No. 2 (2020)
Publisher : Institut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/symbiotic.v1i2.7

Abstract

Cabbage (Brassica oleracea L) is a type of vegetable that is widely grown in high altitude areas, and has good benefits for health and can ward off disease. Cabbage is easily wilted, damaged and rotten. Fermentation is a food preservation process, which plays a role in improving the nutritional content, extending the shelf life of food. Fermentation of cabbage with the addition of salt is called sauerkraut. Fresh cabbage fermented into sauerkraut uses salt with a certain concentration, so no need to add other microorganisms as a starter (inoculum) or yeast, because lactic acid bacteria already exist in cabbage. This research is an experimental study carried out in December 2019 until January 2020, at the Biology Research Laboratory, FMIPA UNP. The design used in this study was a complete random design (CRD) with four treatments and five repetitions. In the treatment, 2.5% salt content and 2.5%, 5%, 7.5% and 10% sugar variation were used. The main observational parameters included fermentation time. Data were analyzed using the Analysis of Variance (ANOVA) test and further tested with DNMRT at the 0.05 level. Based on research results found that the addition of sugar in the fermentation process of sauerkraut affects the fermentation time.
Pengaruh Suhu Terhadap Waktu Fermentasi Nira Aren (Arenga pinnata Merr.) Olan Tri Sinaga; Resti Fevria; Violita Violita; Moralita Chatri
Symbiotic: Journal of Biological Education and Science Vol. 2 No. 1 (2021): Symbiotic: Journal of Biological Education Vol. 2 No. 1 April 2021
Publisher : Institut Agama Islam Negeri Kerinci

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32939/symbiotic.v2i1.12

Abstract

Nira aren merupakan salah satu minuman tradisional yang memiliki khasiat bagi kesehatan. Nira merupakan cairan manis yang diperoleh dengan cara menyadap bunga jantan dari pohon aren. Pohon aren merupakan pohon yang hampir semua bagian fisik maupun produksinya dapat dimanfaatkan dan memiliki nilai ekonomis salah satunya produksi air nira. Nira merupakan cairan manis yang terdapat di dalam bunga tanaman aren yang dimanfaatkan dalam pembuatan gula aren dan tuak, kolang-kaling, ijuk, dan tepung. Nira segar juga digunakan untuk obat sariawan, TBC, disentri, wasir dan memperlancar buang air besar. Penelitian ini bertujuan untuk melihat pengaruh suhu terhadap waktu fermentasi nira aren (Arenga pinnata Merr.). Penelitian ini merupakan penelitian eksperimen menggunakan Rancangan Acak Lengkap (RAL) yang terdiri dari 3 perlakuan dan 6 ulangan dilakukan pada Bulan Desember 2019-Februari 2020 di Laboratorium Penelitian Terpadu Biologi FMIPA UNP. Parameter dari penelitian ini adalah pengukuran pH dan kadar alcohol sebelum fermentasi sampai fermentasi selesai. Data yang didapatkan dianalisis menggunakan uji ANOVA dan dilanjutkan dengan uji lanjut DMRT dengan taraf nyata 0,05. Hasil yang didapatkan suhu ruang dengan rata-rata pH 6,88125 dan pada suhu kulkas dengan rata-rata pH 6,924445 serta pada suhu lemari pendingin dengan rata-rata pH 6,893939. Sedangkan kadar alkohol tidak berpengaruh pada setiap perlakuan.
Analisis E-Learning Dalam Pembelajaran Evolusi Mahasiswa Pendidikan Biologi Selama Pandemi Covid-19 Tomi Apra Santosa; Eria Marina Sepriyani; Lufri Lufri; abdul razak; Moralita Chatri; Violita Violita
Edumaspul: Jurnal Pendidikan Vol 5 No 1 (2021): Edumaspul: Jurnal Pendidikan
Publisher : Universitas Muhammadiyah Enrekang

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (937.774 KB) | DOI: 10.33487/edumaspul.v5i1.1027

Abstract

Penelitian ini bertujuan untuk mengetahui analisis e-learning dalam pembelajaran evolusi mahasiswa pendidikan biologi selama pandemi covid-19. Penelitian ini adalah penelitian studi pustaka (library research). Sumber data berasal dari jurnal nasional dan internasional bereputasi, buku dan sumber relevan lainnya. Teknik pengumpulan data dengan menelusuri jurnal dan buku yang berkaitan dengan kemampuan metakognitif mahasiswa. Hasil penelitian ini disimpulkan bahwa pembelajaran e-learning selama Covid-19 berjalan dengan efektif dalam pembelajaran evolusi dan memberikan kemudahan kepada mahasiswa dalam memahami materi pelajaran.
Co-Authors Abdul Razak Afifatul Achyar Ahmad Subari cynthia perdana putri Des M Des Des M. M. Elsa Yuniarti Eria Marina Sepriyani Erwina Simanullang Febriani Dika Suryendra Irdawati Irdawati Jumjunidang Jumjunidang Lufri Lufri Mei Niarti Muhyiatul Fadilah Olan Tri Sinaga Putri Widianti Rahmawati Darussyamsu Relsas Yogica Relsas Yogica Resti Fevria Syamsurizal Syamsurizal Tomi Apra Santosa Vauzia Violita Violita Yanti Srinita Utami Yosi Safritry Zahratul Aini