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Identification of Stomata Structures in Leaves of The Tradescantia Genus in The Meurandeh Langsa Region M. Ali Akbar; Khairunnisa; Enca Pepayosa; Amanda Lestari; Sahna Maulana Sitakar; Viska Annisa Sabrini; Rauzatul Jannah Mz; Siti Zubaida; Siska Rita Mahyuny
Jurnal Biologi Tropis Vol. 23 No. 1 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i1.4657

Abstract

Langsa City is a city located in the province of Nangroe Aceh Darussalam with an area of 262.41 km2 with a population of 165,890 people. Meurandeh Village is one of the villages located in Langsa city, precisely in Langsa Lama. Meurandeh is one of the places that produces plants from the Tradescantia genus. This research aims to identify and differentiate the stomata of three types of plants from the Tradescantia genus. The method used in this research is a qualitative method with observational data collection techniques. The results of this research show that the three types of plants from the Tradescantia genus have three neighboring cells and a tetracytic type of stomata. Of these three types of plants, there are differences in the shape and structure of the stomata.
Inovasi Instrumen Penilaian Digital untuk Meningkatkan Digital Skill Guru Sekolah Dasar Ronald Fransyaigu; Rapita Aprilia; Siska Rita Mahyuny; Maisarah Maisarah
Bubungan Tinggi: Jurnal Pengabdian Masyarakat Vol 6, No 1 (2024)
Publisher : Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/btjpm.v6i1.9907

Abstract

Digital skill merupakan pondasi dari literasi digital. Mitra masyarakat pada PKM ini adalah guru-guru KKG Gugus IV Cut Meutia Kota Langsa. Hasil observasi awal menunjukkan bahwa guru-guru masih menggunakan penilaian konvensional karena digital skill guru masih tergolong rendah. Di sekolah mitra telah mempunyai fasilitas lengkap seperti chrome book namun belum dimanfaatkan secara optimal. Dengan demikian, dilakukan kegiatan pengabdian kepada masyarakat untuk membantu guru-guru memanfaatkan dan berinovasi pada instrumen penilaian digital. Kegiatan ini dilakukan selama dua minggu yang dimulai hari Selasa tanggal 1 Agustus 2023 sampai dengan hari Senin tanggal 14 Agustus 2023. Rincian kegiatan yang dilakukan, yaitu: sosialisasi, bimbingan teknis, pelatihan, dan pendampingan inovasi instrumen penilaian digital. Dari kegiatan ini dihasilkan bahwa terjadi peningkatan digital skill guru-guru KKG Gugus IV Cut Meutia Kota Langsa setelah menerima materi pelatihan terkait inovasi instrumen penilaian digital yang disampaikan oleh narasumber. Peningkatan terlihat dari persentase rerata skor pretes menggunakan baamboozle sebesar 69,79%, dan persentase rerata skor postes menggunakan kahoot! sebesar 86,81%. Selain itu, guru-guru juga terbukti inovatif dalam menghasilkan instrumen penilaian digital menggunakan liveworksheets yang akan diimplementasikan di sekolahnya masing-masing sebagai tindak lanjut dari kegiatan PKM. Dari temuan disampaikan rekomendasi dan saran kepada guru-guru untuk meningkatkan digital skill dalam menghadapi era digitalisasi, salah satunya dengan berinovasi pada instrumen penilaian digital menggunakan platform seperti baamboozle, kahoot!, dan liveworksheets.Digital skill is the foundation of digital literacy. The community partners in this community service activity were KKG Cluster IV Cut Meutia teachers in Langsa City. The preliminary observations show that teachers still use conventional assessment because their digital skills are still relatively low. Partner schools already have complete facilities such as chrome books but have not been used optimally. This activity is carried out to help teachers use and innovate digital assessment instruments. This activity was carried out for two weeks, starting from Tuesday, 1 August 2023, to Monday, 14 August 2023. The details of the activities are socialization, technical guidance, training, and assistance with digital assessment instrument innovation. The activities resulted in an increase in the digital skills of KKG Cluster IV Cut Meutia teachers in Langsa City after receiving training materials related to digital assessment instrument innovations delivered by resource persons. The increase can be seen from the average percentage of pre-test scores using Baamboozle of 69.79% and post-test scores using Kahoot! of 86.81%. In addition, teachers have also proven to be innovative in producing digital assessment instruments using live worksheets, which will be implemented in their respective schools as a follow-up to PKM activities. From the PKM findings, recommendations and suggestions were made to teachers to improve their digital skills in facing the digitalization era, one of which is by digital assessment instrument innovations using platforms such as bamboozle, Kahoot! and live worksheets.
The Effect of Giving Tofu Dregs and Manure on The Growth of Pakcoy (Brassica rapa subsp. chinensis) Plants Juni Artika; Marjanah; Siska Rita Mahyuny
Jurnal Biologi Tropis Vol. 23 No. 2 (2023): Special Issue
Publisher : Biology Education Study Program, Faculty of Teacher Training and Education, University of Mataram, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jbt.v23i2.6168

Abstract

Pakcoy is a variety of mustard greens whose leaves are used as a vegetable. Pakcoy mustard greens are also often called spoon mustard greens because their shape resembles a spoon. The aim of this research was to determine which factors and chemical combinations had the greatest influence on the growth of pak choy (Brassica rapa subsp. chinensis) plants. Experimental methodology was used in this research's quantitative approach. There were 24 samples used in this research experiment, which included 6 treatments and 4 replications. Statistical analysis of variance (ANOVA) test was used in data analysis for this study. The hypothesis testing process then continues using data from the prerequisite tests, namely ordinariness test and homogeneity test. The results showed that tofu dregs and manure had no effect on the total fresh weight of harvested plants, but did affect plant height and number of leaves at 2 WAP and 6 WAP observations.including the addition of soil and manure, has the best composition for growth in plant height and wet weight of the entire crop.The combination of soil, tofu dregs and manure is a good treatment for increasing the number of leaves.The plant height parameter observed at 2 WAP and 4 WAP in treatments P3 and P1 was the as it were parameter that was altogether diverse between each treatment, based on the findings of the BNT test.