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All Journal Teknosains: Media Informasi Sains dan Teknologi Biotropika AGRIVITA, Journal of Agricultural Science Prosiding Seminar Biologi Jurnal Biodjati Jurnal Agrotek Tropika BIOMA : Jurnal Biologi dan Pembelajarannya Filogeni: Jurnal Mahasiswa Biologi
Selis Meriem
Alauddin Islamic State University, Makassar, Indonesia
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Education Immunology & microbiology Materials Science & Nanotechnology Physics

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The Physiological Responses of Zea Mays L. and Cucumis Sativus L. on Drought Stress and Re-Watering Selis Meriem; Evi Muliyah; Melisnawati H. Angio; Triadiati Triadiati
Jurnal Biodjati Vol 6, No 2 (2021): November
Publisher : UIN Sunan Gunung Djati Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15575/biodjati.v6i2.12572

Abstract

Drought leads to deficit water availability and its detrimental effects seriously threaten plant growth. This study assessed the physiological, biochemical, and antioxidant adjustments in different types of photosynthetic plants between Zea mays L. (C4) and Cucumis sativus L. (C3 plant) under response to short-term drought stress. Analyses of relative water content (RWC), proline, and ascorbic acid (AsA) were performed to explore how these plants react to drought. Fifteen-day-old plants were subjected to full irrigation or gradual drought periods for 2-d, 4-d, 6-d, and 8-d following by recovery for 7-d. The results revealed that drought significantly reduces leaf RCW in both plants. Re-watered Z. mays after 8-d drought was higher than C. sativus and reestablished RCW by 23% of stressed plant although remained lower by 9% of the well-watered plant. While, proline and AsA contents in Z. mays were higher than those in C. sativus in drought treatment at 8-d (2.05 µmol/g FW) and 6-d (3174.60 AsA/100 g FW), respectively, that could demonstrate osmotic adjustment ability in this C4 species. The increased proline in both plants also indicates a good strategy for plants to recover. Rewatering gave a decrease AsA and could be expected that plants restore cellular activity after oxidative injury. Based on our study, proline is the most informative biochemical marker to differentiate plant response to drought and Z. mays adjusted defense mechanism to drought rather than C. sativus due to higher accumulation of proline, better antioxidant activity, and improved RCW after recovery.
KARAKTER MORFOLOGI DAN FISIOLOGI PERKECAMBAHAN UMBI BAWANG PUTIH (Allium sativum L.) PADA PENYIMPANAN SUHU RENDAH Selis Meriem; Devi Armita; Rahmat Fajrin Alir; Masriany Masriany
Teknosains Vol 15 No 2 (2021): Mei-Agustus
Publisher : Fakultas Sains dan Teknologi Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/teknosains.v15i2.19992

Abstract

Produktivitas bawang putih yang terbatas di Indonesia membuat komoditas impor semakin meningkat. Perkecambahan bawang putih sangat bergantung pada faktor abiotik yang terkontrol dan tepat termasuk paparan suhu dan kelembaban, karena itu bawang putih ini dapat mengalami fase dorman. Namun, penelitian yang berfokus pada perkecambahan bawang putih masih jarang dilakukan. Penelitian ini dilakukan untuk mengukur karakteristik morfologi dan fisiologis siung bawang putih (Allium sativum L.) yang diberi perlakuan suhu yang bervariasi. Perlakuan dilakukan secara eksperimen faktorial dengan satu faktor suhu kamar (K) sebagai kontrol, suhu rendah (dingin) selama 3 hari (R3) dan 5 hari (R5). Suhu dingin dirancang pada 7oC, sedangkan kontrol pada suhu 29oC. Perlakuan awal perkecambahan bawang putih tidak berpengaruh nyata terhadap parameter fisiologis. Namun, perlakuan R5 menunjukkan nilai rata-rata yang jauh lebih tinggi yaitu 18,75% dan persentase kecepatan perkecambahan 16,32% lebih tinggi dibandingkan dengan perlakuan lainnya. Selanjutnya, penyimpanan pada suhu 7oC selama 3 hari menunjukkan laju pertumbuhan 76,44% dan 45,75% lebih tinggi, serta indeks vigor 76,73% dan 45,76% lebih tinggi dibandingkan perlakuan R3 dan kontrol. Perlakuan R5 secara nyata meningkatkan tinggi tanaman, panjang akar dan jumlah daun yang masing-masing 66,43%, 54,45%, dan 50% lebih tinggi dibandingkan dengan R3 dan 84,26%, 61,79%, dan 50% lebih tinggi dari pada tanaman kontrol. Hasil yang diperoleh menunjukkan bahwa perawatan pra-perkecambahan dalam penyimpanan dingin dapat menginduksi pertumbuhan dan proses perkecambahan yang lebih baik. Untuk meningkatkan varietas bawang putih lokal di Indonesia perlu kajian lebih lanjut khususnya lama penyimpanan dingin yang tepat untuk mengatur dormansi yang mungkin terjadi pada budidaya bawang putih di luar musim tanam yang sesuai.
Review: Regulation of Phytohormones and Environmental Stresses to Increase the Production of Plant Secondary Metabolites Selis Meriem
Biotropika: Journal of Tropical Biology Vol. 9 No. 3 (2021)
Publisher : University of Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/ub.biotropika.2021.009.03.08

Abstract

Secondary metabolites are synthesized by plants when subjected to abiotic and biotic stresses as a defense mechanism and play an ecologically vital role both as pollination attractants and as repellents. These compounds are not essential for the process of growth and development but provide a significant impact on human welfare in various aspects as pharmaceuticals and therapeutics, aroma and taste, biopesticides, and agrochemicals. This natural product has high economic and commercial value, so it is important to explore it along with the increasing needs of consumers and industry at a large scale. Various extensive studies were carried out to improve and increase the production and accumulation of secondary metabolites. One of the strategies adopted in this review is the role of exogenous phytohormones in triggering the production of important secondary metabolites based on their classification, namely terpenoids, phenols, and flavonoids, as well as alkaloids and nitrogen-containing compounds. Bioregulators work as elicitors to induce the production of secondary metabolites through up-regulation of specific gene expression. In some cases, the application of phytohormones combined with exposure to extreme abiotic stresses showed overexpression of secondary metabolite synthesis compared to treatment with only those subjected to phytohormone. The abiotic stress of irradiation, UV-B, temperature, drought, ultrasonic, salinity, and metal stress was discussed in this study. Oxidative conditions under environmental changes trigger the plant to produce reactive oxygen species (ROS), which induce various secondary metabolites as part of the regulation of antioxidant systems. Micropropagation of medicinal plants by the addition of exogenous growth regulators could enhance the production and accumulation of important secondary metabolites.
Kontrol auksin dan PIN1 dalam perkembangan dan venasi daun Selis Meriem
Prosiding Seminar Biologi Vol 5 No 1 (2019): PROSIDING SEMINAR BIOLOGI BIODIVERSITAS INDONESIA
Publisher : Jurusan Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/psb.v5i1.11870

Abstract

Kontrol auksin dan PIN1 dalam perkembangan dan venasi daun
Mekanisme toleransi tanaman pada lahan salin: akumulasi prolin Selis Meriem
Prosiding Seminar Biologi Vol 6 No 1 (2020): PROSIDING SEMINAR NASIONAL BIOLOGI DI ERA PANDEMI COVID-19 (OKTOBER 2020)
Publisher : Jurusan Biologi, Fakultas Sains dan Teknologi, Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24252/psb.v6i1.15647

Abstract

Salinitas menambah faktor penghambat pertumbuhan perkembangan tanaman serta meningkatkan penurunan produktivitas tanaman pada tanaman glikofit. Tingginya sodium dan klorin menstimulus produksi prolin (Pro) yang berperan sebagai osmoregulator dan buffer dalam mempertahankan turgor sel. Review ini membahas tentang mekanisme fisiologi adaptasi toleran terhadap salinitas melalui kajian biosintesis dan regulasi ekspresi gen, respon morfo-fisiologi dan peran fitohormon ABA terhadap akumulasi Pro. Prolin merupakan metabolit sekunder yang disintesis melalui metabolisme nitrogen dengan prekursor glutamat dan atau ornitin. Tanaman yang tercekam akan melakukan mekanisme pertahanan melalui (1) aktivasi gen P5CS, PDH, ProT, dan δ –OAT terkait metabolisme sintesis Pro yang tinggi pada akar, (2) peningkatan Pro pada akar di awal cekaman dan pada bunga di fase generatif, dan (3) penyerapan N tinggi pada akar. Peningkatan serapan N, NH4+, mendukung asimilasi N di akar sebagai respon tanaman dalam meningkatan pertumbuhan dan biomasa pada kondisi tercekam. Selain N, peningkatan ABA menstimulus gen-gen terkait stres salinitas. Dengan demikian, aplikasi NH4+ dan penambahan ABA memperbaiki produktivitas pertanian dengan meningkatkan resistensi tanaman terhadap salinitas.
Prolin, Asam Askorbat, dan Kandungan Air Relatif pada Tanaman C3 dan C4 yang Tercekam Kekeringan selis meriem
BIOMA: Jurnal Biologi dan Pembelajarannya Vol 2 No 2 (2020): BIOMA: Jurnal Biologi dan Pembelajarannya
Publisher : Universitas Sulawesi Barat

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (487.406 KB)

Abstract

Drought stress reduces plant growth and development that even reduces crop productivity. Plants activate various physiological defense mechanisms against water stress. This study aimed to compare the contents of proline (Pro), abscisic acid (ABA), and relative water content (KAR) in the leaves tissue of C3 plants from spinach (Amaranthus hybridus) and C4 from water spinach (Ipomea reptana) during drought stress of 2 days, 4 days, 6 days, and 8 days. The parameters measured were the content of Pro, ABA, and KAR in both leaves of A. hybridus and I. reptana at each stress period. The results of the study showed that the concentration of Pro was higher in water spinach at 6 days and 8 days of drought stress and the highest KAR value at 8 days of drought stress. The highest proline was synthesized by I. reptana at the longest-term stress of 8 days (1.54 µmol proline/g leaf). While the highest KAR value was shown by A. hybridus, namely 1.00% at 8 days stress. The high value of Pro in I. reptana was a physiological response to the decrease of KAR value. The high ABA concentration in A. hybridus as much as 3878.12/100 g leaf samples is a strategy for C3 plants to reduce the transpiration rate. On the other hand, the C4 plant of I. reptana demonstrated a defense mechanism by increasing the Pro osmoregulator to balance the osmotic cells when the KAR value decreased under prolonged stress. Keywords— abscisic acid, C3, C4, proline, relative water content
Organics Acids from Cocoa Pod Waste Inoculated by Basidiomycota Fungi to Enhance the Performance of Shallots Iradhatullah Rahim; Harsani Harsani; Hakzah Hakzah; Selis Meriem; Elkheir Hassaballah Abdallah Ahamed
AGRIVITA, Journal of Agricultural Science Vol 44, No 3 (2022)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v44i3.3854

Abstract

Excessive agricultural waste potentially causes serious pollution issues by farming practices. The potency of Basidiomycota’s fungi to degrade biomass for a safe practice might be considered to cope with this issue. This study aims to determine Basidiomycota fungi’s ability to produce organic acids after being inoculated on cocoa husks at various fermentation periods (20 and 40 days) and evaluate the effect of humic acid from those fermented cocoa husks on the growth and productivity of shallots. This research is carried out in three stages; the first is composting process from cocoa husks. The next is the acid-base extraction of cocoa pod husk compost to produce humic and fulvic acid. And the last is the application of humic acid to shallot plants. The results show that composting for 40 days produced higher levels of humic and fulvic acids. Inoculation with Coprinus sp produced the highest levels of humic acid but is not different with Pleurotus sp. Applying 100 ml/l of humic acid to shallots shows the best growth, while the concentration of 400 ml/l has the best production. This study presents the potential practice of cocoa pod residue and Basidiomycota fungi to increase agricultural commodities’ productivity agents.
GIBERELIN (GA3) MENDUKUNG KETAHANAN KECAMBAH PADI VARIETAS PULU MANDOTI EMAS TERHADAP CEKAMAN SALINITAS Selis Meriem; Devi Armita; Ariati A. Ridha; Masriany Masriany
Jurnal Agrotek Tropika Vol 11, No 1 (2023): JURNAL AGROTEK TROPIKA VOL 11, FEBRUARI 2023
Publisher : Departement of Agrotechnology, Agriculture Faculty, Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jat.v11i1.5665

Abstract

Perluasan lahan yang terdampak salinitas saat ini menghambat ekstensifikasi budidaya pertanian khususnya padi sebagai makanan pokok Indonesia. Untuk mencegah dampak kerusakan akibat cekaman salinitas, penelitian bertujuan untuk menguji pengaruh giberelin (GA3) terhadap karakter morfologi kecambah padi (Oryza sativa L.) varietas lokal Pulu Mandoti Emas (PME). Penelitian ini menggunakan tiga taraf perlakuan yaitu giberelin (0, 8, 16, dan 24 ppm), lama perendaman (12 dan 24 jam), dan NaCl (0, 1000 ppm, dan 2000 ppm). Perkecambahan dilakukan menggunakan metode UKDD (Uji Kertas Digulung Didirikan). Pengamatan karakter morfologi diukur pada 14 HST. Hasil uji menunjukkan adanya pengaruh tunggal faktor GA3 dan NaCl yang signifikan. Perlakuan dengan pemberian 8 ppm GA3 meningkatkan panjang akar dan daun. 16 ppm GA3 tunggal meningkatkan berat tajuk dan berat total. 24 ppm GA3 menunjukkan berat akar dan rasio A/T tertinggi. Cekaman NaCl hanya menurunkan panjang daun kecambah. Akan tetapi panjang akar, berat tajuk, rasio A/T dan berat total tertinggi ditunjukkan pada perlakuan salinitas. Faktor perlakuan menunjukkan adanya interaksi yang nyata terhadap parameter pengamatan. Penambahan GA3 dalam kondisi cekaman NaCl pada berbagai konsentrasi membuktikan adanya peningkatan pertumbuhan panjang akar, panjang daun, berat akar, berat tajuk, rasio A/T, dan berat total yang lebih baik. Penambahan GA3 sangat penting diaplikasikan sebagai regulator pertumbuhan kecambah padi dalam kondisi cekaman salin.
Identifikasi morfologi penyakit tanaman cabai (Capsicum sp.) yang disebabkan oleh patogen dan serangan hama lingkup kampus UIN Alauddin Makassar Nur Inaya; Selis Meriem; Masriany Masriany
Filogeni: Jurnal Mahasiswa Biologi Vol 2 No 1 (2022): Januari-April
Publisher : Program Studi Biologi Fakultas Sains Dan Teknologi Universitas Islam Negeri Alauddin Makassar

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (421.899 KB) | DOI: 10.24252/filogeni.v2i1.27092

Abstract

Cabai merupakan salah satu tanaman hortikultura yang banyak dibudidayakan di Indonesia karena mempunyai nilai pemasaran yang tinggi dari segi konsumsi dan ekonomi. Di Indonesia, cabai menjadi salah satu komoditi sayuran yang banyak dibutuhkan masyarakat, dan setiap hari kebutuhan masyarakat akan cabai terus mengalami peningkatan. Akan tetapi, produksi cabai di Indonesia masih belum dapat memenuhi kebutuhan cabai nasional. Salah satu penyebab menurunnya produksi cabai di Indonesia adalah adanya gangguan penyakit dan serangan hama yang menyerang tanaman saat penyemaian sampai panen. Tujuan dari penelitian ini adalah untuk mengidentifikasi karakter morfologi penyakit pada tanaman cabai (Capsicum sp.) lingkup kampus UIN Alauddin Makassar. Penelitian ini dilaksanakan pada tanggal 15 Desember 2021 – 06 Januari 2022 dengan menggunakan metode deskriptif (descriptive research) yaitu mengamati secara langsung bentuk morfologi penyakit pada tanaman cabai yang disebabkan oleh patogen dan serangan hama. Hasil yang diperoleh kemudian dibandingkan dengan studi hasil penelitian. Adapun jenis penyakit yang diduga menyerang tanaman cabai yaitu bercak daun Cercospora, busuk buah antraknosa dan serangan hama Thrips.
Co-Authors , Triadiati Ariati A. Ridha Devi Armita Elkheir Hassaballah Abdallah Ahamed Hakzah Hakzah Harsani Harsani Iradhatullah Rahim Masriany, Masriany Melisnawati H. Angio Muliyah, Evi Nur Inaya Rahmat Fajrin Alir