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All Journal Jurnal Ilmiah Teknologi Pertanian Agrotechno Jurnal Triton
Muhammad Tsabit Alwi
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Computer Science & IT Environmental Science Social Sciences Veterinary

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Perhitungan Luas Daun Tanaman Kayu Putih (Melaleuca leucadendra) dengan Manual dan Digital (ImageJ) Choirul Umam; Abdurrahman ‘Uluwiy; Rohmatul Auliya; Ratna Nurshakti Putri; Muhammad Tsabit Alwi
Jurnal Ilmiah Teknologi Pertanian Agrotechno Vol 9 No 2 (2024)
Publisher : Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JITPA/2024.v09.i02.p02

Abstract

Leaves are essential plant organs and the main parameters for analyzing plant growth. One of the important plants in Indonesia is the eucalyptus plant, which is widely used as the main ingredient of essential oils worldwide. Speed and accuracy are crucial in measuring leaf area. This research is expected to be an alternative to practical and calibrated leaf area measurements because the calculation process is carried out automatically through images and processed by the application. This research was conducted in March 2024 at the Biotechnology and Plant Physiology Laboratory of the Agroecotechnology Study Program, Faculty of Agriculture, Trunojoyo University Madura. The tools and materials used in this research are a Canon 300D camera, stationery, Asus X441M Intel(R) Celeron(R) N4000 CPU 1.10 GHz RAM 4GB laptop, plastic bag, ImageJ device, and eucalyptus leaf samples. This study uses eucalyptus leaves obtained from 7 eucalyptus trees found in several villages in Bangkalan Regency, East Java. Based on the study's results, it can be concluded that image analysis using ImageJ software on Eucalyptus leaves proved to be more practical and efficient compared to manual methods, namely millimeter blocks and gravimetry. Leaf measurement using ImageJ is feasible to use and develop based on the results of this study and previous studies. The average error value of leaf measurement using ImageJ against the millimeter block method is 8.46% with a correlation value of 0.9353, while the measurement of leaf area using ImageJ against the gravimetric method is 47.31% with a correlation of 0.7328. This shows a powerful attachment to the millimeter block method and robustness to the gravimetric method
Pengaruh Modifikasi Spektrum Cahaya terhadap Pertumbuhan Tanaman Stevia (Stevia rebaudiana L.) dan Produksi Glikosida Steviol Muhammad Tsabit Alwi; Choirul Umam; Milli Dania; Ahmad Habibi Nashrullah; Zahrotul Awwelina
JURNAL TRITON Vol 16 No 2 (2025): JURNAL TRITON (Issue in Progress)
Publisher : Politeknik Pembangunan Pertanian Manokwari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47687/jt.v16i2.1229

Abstract

Memasuki tahun 2019, diabetes menyebabkan 57,42 kematian per 100.000 penduduk di Indonesia. Salah satu penyebab diabetes adalah konsumsi gula berlebih. Stevia memiliki kemanisan yang lebih tinggi 250-300 kali lipat dari pada gula tebu dengan kalori yang rendah sehingga sangat berpotensi untuk dijadikan alternatif gula mainstream untuk menekan angka diabetes. Rasa manis daun stevia dihasilkan dari senyawa steviol glikosida. Produksi senyawa tersebut salah satunya dipengaruhi oleh faktor eksternal tanaman yaitu spektrum cahaya. Cahaya memainkan peran penting dalam metabolisme primer dan sekunder serta produksi berbagai senyawa bioaktif tanaman Stevia. Selama ini, para peneliti lebih berfokus pada pengaruh spektrum cahaya terhadap hasil biomassa tetapi kurang memperhatikan kadar steviol glikosida tanaman Stevia. Padahal, produk sampingan ini merupakan zat utama yang mempengaruhi kualitas tanaman Stevia. Penelitian ini menggunakan metode rancangan acak lengkap non faktorial. Perlakuan terdiri dari LED merah, biru, putih, ungu, dan control dengan 5 ulangan pada setiap perlakuan. Hasil penelitian menunjukkan bahwa pengaruh tidak nyata terhadap parameter tinggi tanaman, jumlah dan luas daun tanaman Stevia namun, berpengaruh sangat nyata terhadap tingkat kemanisan yang merupakan cerminan dari kadar steviol glikosida tanaman Stevia. Perlakuan terbaik dari seluruh percobaan adalah pada LED merah dengan hasil 7,9 brix pada umur 28 HST atau 2 minggu perlakuan cahaya.
Co-Authors Abdurrahman ‘Uluwiy Ahmad Habibi Nashrullah Choirul Umam Milli Dania Ratna Nurshakti Putri Rohmatul Auliya Zahrotul Awwelina