Article Per Year (5 Year)
p-Index From 2021 - 2026
1.452
P-Index
This Author published in this journals
All Journal Natural Science: Journal of Science and Technology Biocelebes KOVALEN: Jurnal Riset Kimia Jurnal Biologi Tropis
Wahyu Harso
Jurusan Biologi, Fakultas MIPA Universitas Tadulako
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Immunology & microbiology

Published : 25 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 25 Documents
Search

 1   2   3 
PERTUMBUHAN TANAMAN BAYAM AKAR MERAH (AMARANTHUS RETROFLEXUS) YANG DIINOKULASI DENGAN BERBAGAI JENIS JAMUR MIKORIZA ARBUSKULA YANG DITUMBUHKAN PADA TANAH TERCEMAR MERKURI Wahyu Harso; Devan Prima
Biocelebes Vol. 16 No. 2 (2022)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/bioceb.v16i2.16249

Abstract

Bayam akar merah (Amaranthus retroflexus) mampu tumbuh pada tanah tercemar logam berat tanpa menunjukkan symptom. Jamur mikoriza dapat meningkatkan pertumbuhan tanaman pada tanah tercemar logam berat. Tujuan penelitian ini yaitu mengetahui pengaruh pemberian jamur mikoriza arbuskular dari jenis yang berbeda terhadap pertumbuhan tanaman bayam pada tanah tercemar merkuri. Pada penelitian ini tanaman bayam diinokulasi dengan inokulum tunggal dari jenis Glomus sp., Acaulospora tuberculata, dan inokulum campuran dari jenis Acaulospora, Glomus, Gigaspora, dan Scutelospora dan tanpa pemberian inokulum sebagai kontrol. Tanaman bayam ditumbuhkan pada tanah yang tidak dicemari dan dicemari dengan logam merkuri sebanyak 8 mg HgCl/kg tanah. Hasil penelitian menunjukkan bahwa pertumbuhan tanaman bayam tidak dipengaruhi oleh tanah yang tercemar merkuri. Pemberian inokulum jamur mikoriza arbuskula cenderung menurunkan pertumbuhan tanaman. Tidak ada perbedaan yang nyata pada jenis jamur yang diberikan dalam menurunkan pertumbuhan tanaman bayam.
PERBANDINGAN JUMLAH BAKTERI TANAH PADA HUTAN BERDAUN LEBAR DAN HUTAN BERDAUN JARUM PADA KEDALAMAN TANAH YANG BERBEDA Abi Gael Sidon; Wahyu Harso; Umrah Umrah; Orryani Lambui
Biocelebes Vol. 17 No. 1 (2023)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/bioceb.v17i1.16439

Abstract

The number of soil microorganisms that play a role in the organic matter decomposition process can be affected by litter quantity and quality. Lignin content is higher in needleleaf than in broadleaf. The study aimed to determine the number of bacteria found in the broadleaf forest and needleleaf forest soil at different soil depths. The soil was collected at depths of 0-5 cm, 10-15 cm, and 20-25 cm at a distance of 1.5 m from the canopy of both broadleaf and coniferous forests where their locations are close. The results showed that the soil organic matter of broadleaf forests was higher than needleleaf forests, especially at depths of 0-5 cm and 10-15 cm. The number of bacteria on broadleaf forest soil is higher than on needleleaf forest soil, especially at 0-5 cm depth. The organic matter in both forest soils decreases with the soil depth. A positive correlation is obtained between the quantity of organic matter and the number of bacteria. The quantity and quality of organic matter in the soil will affect the number of bacteria.
Fitoremediasi Air Tercemar Nikel (Ni) dan Merkuri (Hg) Menggunakan Tanaman Azolla filiculoides Lam.: Phytoremediation of Nickel and Mercury Contaminated Water Using Azolla filiculoides Lam. Rudy, Sri Utami; Harso, Wahyu; Ramadanil; Iqbal, Moh.; Prismawiryanti
KOVALEN: Jurnal Riset Kimia Vol. 10 No. 2 (2024): August Edition
Publisher : Chemistry Department, Mathematics and Natural Science Faculty, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/kovalen.2024.v10.i2.17343

Abstract

Water pollution from settlements, agriculture, and industry is a significant issue, as it introduces pollutants like heavy metals into water bodies, harming both humans and aquatic ecosystems. Phytoremediation is a cost-effective, eco-friendly technology for reducing heavy metals in water bodies. This study aimed to assess Azolla filiculoides plants' ability to absorb heavy metals nickel and mercury. The plants were grown in a hydroponic solution contaminated with 0.25 ppm of nickel and 0.5 ppm of mercury. The growth of the plants was measured based on their wet and dry weight, and the nickel and mercury content in the plant tissue was analyzed using Atomic Absorption Spectrophotometry (AAS). The study found that the growth of A. filiculoides plants was unaffected by the concentration of either nickel or mercury. The amount of nickel absorbed by the plants was 0 µg/g plant dry weight, while for mercury, it was 1654.82 µg/g. Based on the results, A. filiculoides plant is more promising for use as a phytoremediation agent for water bodies contaminated with mercury heavy metals rather than nickel heavy metals.
APLIKASI KOMPOS CAIR AEROB DAN ANAEROB PADA PERTUMBUHAN TANAMAN JAGUNG: Application of Aerobic and Anaerobic Liquid Compos on Corn Plant Growth Wasilahturahman; Harso, Wahyu; Umrah; Ananda, Meryany
Biocelebes Vol. 17 No. 2 (2023)
Publisher : Biology Department, Mathematics and natural science, Tadulako University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/bioceb.v17i2.16611

Abstract

The price of chemical fertilizers and potential environmental risks are the reasons for using compost. Liquid compost extracted from compost has many advantages that a compost. Liquid compost is available quickly and has a higher concentration compared to compost. The effectiveness of liquid compost depends on the aeration treated in the production process. The study aimed to determine the growth of corn plants fed with either aerated liquid compost or an aerated liquid compost. This study was conducted by a Complete Randomized Design with two factors. The first factor is the type of liquid compost, aerobic and anaerobic liquid compost. The second factor is the dose of a liquid compost, 100 ml and 200 ml of liquid compost. The growth medium was drenched with aerobic or anaerobic liquid compost in the first and third weeks after planting. The results showed that plants fertilized by aerobic or anaerobic liquid compost increased plant growth. The plant fertilized by anaerobic liquid compost had higher plant growth than it fertilized by aerobic liquid compost. Key words: aerobic, anaerobic, corn plants, liquid compost Harga pupuk kimia dan potensi resiko lingkungan merupakan alasan penggunan kompos. Kompos cair merupakan ekstrak dari kompos memiliki keuntungan yang tidak dimiliki oleh kompos yaitu tersedia dengan cepat dan memiliki konsentrasi yang lebih tinggi dibandingkan dengan kompos. Efektifitas kompos cair tergantung dari aerasi yang diberikan pada proses pembuatannya. Tujuan dari penelitian ini adalah untuk mengetahui pertumbuhan tanaman jagung yang diberi kompos cair yang dibuat secara aerob dan anaerob. Penelitian dilakukan dengan menggunakan Rancangan Acal Lengkap dengan dua faktor. Faktor pertama adalah jenis kompos cair yaitu kompos cair aerob dan anaerob. Faktor kedua adalah dosis pemberian kompos cair yaitu 100 ml dan 200 ml. Media tanam tanaman jagung diberi kompos cair aerob atau anaerob di minggu pertama dan ketiga setelah tanam. Hasil penelitian menunjukkan bahwa pemberian kompos cair aerob atau anaerob meningkatkan pertumbuhan tanaman. Peningkatan pertumbuhan tanaman lebih tinggi terjadi pada tanaman yang diberi kompos cair anaerob dibandingkan dengan yang diberi kompos cair anaerob. Kata kunci : aerob, anaerob, pupuk cair, tanaman jagung
Anatomy of Sarcotheca celebica’s vegetative organs growing in Morowali on Ultramafic and Limestone Soils Harso, Wahyu; Rasyiid, Mustafid; Ramadanil, Ramadanil; Umrah, Umrah; Iqbal, Moh.
Jurnal Biologi Tropis Vol. 25 No. 2 (2025): April-Juni
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.v25i2.8626

Abstract

Sarcotheca celebica is an endemic Sulawesi plant capable of growing in ultramafic and calcareous soils. The anatomical structure of its vegetative organs plays a role in adaptation to extreme environments. This study aimed to compare the anatomy of leaves, stems and roots of S. celebica in both soil types. Microscopic preparations of leaves, stems and roots were made with the Free Hand Section method, documented using Optilab Viewer 2.2, and measured with Image Raster 3. Statistical analysis was conducted with the T-test. The results showed anatomical variations in response to soil conditions. S. celebica plants in calcareous soil had longer and wider stomata, but with lower density than those in ultramafic soils. In addition, leaf and cuticle thickness were higher in S. celebica plants on calcareous soils. However, the peridemis/floem ratio in stems and peridermis/endodermis in roots did not show significant differences. Overall, S. celebica leaves were more responsive to soil differences than stems and roots. This study is important for understanding the mechanisms of plant adaptation to extreme soil conditions and the implications for the sustainability of the species in its natural habitat.
Co-Authors Abi Gael Sidon Agustinur Agustinur Ajis Ajis Amalia Puji` Cahyani Andi Wirdani Pettalolo Asri Pirade Paserang Devan Prima Dewi Arini Endang Lestari Givani Oktaviana Gobel, Sri Amaliah isna isna Khairun Nisa Magfirahtul Jannah Melsi Mengkido Meryany Ananda Moh Iqbal Moh. Iqbal, Moh. Mustafid Rasyiid Mutmainnah Mutmainnah Orryani Lambui Paserang, Asri Prismawiryanti Prismawiryanti PUTI ANDALUSIA SARIGANDO Banilai Ramadanil Pitopang Riska Palesa Risma Risma Rudy, Sri Utami Satria Dhika Saputra Sitti Ayu Sri Rahayu Tagentju, Indra A. Umrah Umrah Umrah Umrah Wasilahturahman Yayang Istikana Yusran Yusran Yusran Yusran