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All Journal Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Jurnal Penelitian Pendidikan IPA (JPPIPA)
Febriyani, Pangesti Ayu Wandari
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Decision Sciences, Operations Research & Management Education Languange, Linguistic, Communication & Media Materials Science & Nanotechnology Mathematics Physics Other

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The Effect of Drought Stress on the Morphology and Anatomy of Codiaeum variegatum (L.) Rumph. ex A. Juss. and Excoecaria cochinchinensis Lour Daningsih, Entin; Rahman, Galih Fathur; Febriyani, Pangesti Ayu Wandari; Febriyanti, Inka; Minati; Fransiska, Nadia; Permatasari, Intan; Ramadhan; Dewi, Asih Perwita
Jurnal Penelitian Pendidikan IPA Vol 11 No 6 (2025): June
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v11i6.8608

Abstract

Climate change causes drought in many places, including tropical areas, which affects ornamental plants both in morphology and anatomy. Codiaeum variegatum (L.) Rumph. ex A.Juss. and Excoeceria cochinchinensis Lour have low transpiration rates and allow them to be resistant to drought. This study aims to observe the morphology and anatomy of C. variaegatum and E. cochinchinensis leaves due to drought stress. The experimental design was a factorial completely randomized design (2x2) with 3 replications. The main factors are two types of plants and two conditions namely control and drought. The combination was the interaction between the two main factors. Observations included descriptions of leaf blades and edges every week for four weeks. Stomata changes, description of stomata and leaf anatomical tissue were counted and measured using a microscope connected to optilab. Observation results showed changes in the appearance of leaf blades and leaf rolling. Stomata and SD varied as well as the thickness of leaf tissue which was differentiated in both thickness and shape. The conclusion of this research was that C. variaegatum was a drought tolerant plant and E. cochinchinensis was low tolerant. Both plants can aprropriately be used to green the area with water constrain as well as ornamental plants.
MEDIA ATLAS ANATOMI DAUN TANAMAN HIAS MONOKOTIL YANG DIPENGARUHI TRANSPIRASI Febriyani, Pangesti Ayu Wandari; Daningsih, Entin; Mardiyyaningsih, Asriah Nurdini
Jurnal Pendidikan dan Pembelajaran Khatulistiwa (JPPK) Vol 12, No 7 (2023): Juli, 2023
Publisher : Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/jppk.v12i7.67549

Abstract

Submaterial structure and function of plant tissue is a one of thedifficult materials for student to learn. Media can help to understandeasier for student and therefore is need. The studied was to make anatlas media and to know the validity of the atlas media about leafanatomy and physiology on the plants structure and functionsubmaterial in class XI. The method of these research is descriptivequantitative. Atlas media was made with three stages including thepre-production, production, and post-production. The instrumentsvalidation used were questionnaire instruments and questionnairevalidation media which consisted of four aspects such us presentation,language, and usage with 21 indicators. The instrument validationquestionnaire was validated by two instrument experts, while themedia atlas was validated by two Biology Education lecturers at theTanjungpura University (FKIP Untan) and three biology teachers classXI using a Likert scale. The validation results were analyzed accordingto Laswhe. The results of the instrument validation show that theinstrument was suitable for use, while the results of the mediavalidation showed that the presentation aspect (0.85) and contentaspects (0.94) were not yet valid because has not reached the minimumCVR by Lawshe (0.99). The validation results of the atlas media havenot reached the minimum CVI; the value of validation atlas media wasabout 0.92 so it needs improvement before being used in learning.
Co-Authors ASIH PERWITA DEWI, ASIH PERWITA Asriah Nurdini M. Entin Daningsih Febriyanti, Inka Fransiska, Nadia Intan Permatasari Minati Rahman, Galih Fathur Ramadhan