Restu, Hidayanti (2026) Aplikasi Kombinasi Media Tanam Dan Frekuensi Penyiraman Terhadap Diversitas Mikrobioma Kacang Polong (Pisum Sativum L.). Masters thesis, Institut Teknologi sepuluh Nopember.
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Abstract
Kacang polong (Pisum sativum L.) merupakan tanaman legum yang pertumbuhannya sangat dipengaruhi oleh kondisi media tanam dan ketersediaan air. Pengelolaan media tanam yang dikombinasikan dengan frekuensi penyiraman yang tepat diperlukan untuk mendukung pertumbuhan vegetatif tanaman dan media tanam kacang polong. Penelitian ini bertujuan untuk menganalisis pengaruh kombinasi media tanam dan frekuensi penyiraman terhadap pertumbuhan vegetatif dan diversitas mikrobioma di area perakaran tanaman kacang polong. Penelitian menggunakan Rancangan Acak Lengkap (RAL) dengan pola faktorial . Faktor pertama adalah kombinasi media tanam yang terdiri dari dua aras yaitu meliputi tanah steril dan tidak steril dengan penambahan mikoriza serta pupuk nanosilika, sedangkan faktor kedua adalah frekuensi penyiraman yang terdiri atas tiga aras yaitu P1 (penyiraman setiap 1 hari), P2 (penyiraman setiap 2 hari), P3 (penyiraman setiap 3 hari), dan P4 (tanpa penyiraman). Parameter yang diamati adalah tinggi tanaman, luas daun, jumlah helai daun tanaman kacang polong. Data yang diperoleh dianalisis menggunakan (ANOVA), dan apabila terdapat perbedaan nyata dilanjutkan dengan uji Duncan pada taraf kepercayaan 95%. Sedangkan analisis mikrobioma dilakukan secara deskriptif menggunakan pendekatan Next Generation Sequencing (NGS) gen 16S rRNA. Hasil penelitian menunjukkan bahwa tinggi tanaman tertinggi diperoleh pada perlakuan tanah tidak steril tanpa mikoriza dan pupuk nanosilika dengan penyiraman setiap 2 hari (TTST–P2) dengan rerata 64,0 cm. Jumlah helai daun terbanyak diperoleh pada perlakuan tanah steril dengan mikoriza dan pupuk nanosilika tanpa penyiraman (TSMP–P4) dengan rerata 35 helai daun. Luas daun tertinggi dijumpai pada perlakuan tanah tidak steril dengan mikoriza dan pupuk nanosilika dengan penyiraman setiap 1 hari (TTSMP–P1) dengan rerata 6,33 cm2. Dari aspek mikrobioma, perlakuan tanah tidak steril dengan mikoriza dan pupuk nanosilika tanpa penyiraman (TTSMP–P4) menunjukkan diversitas mikrobioma tertinggi dengan jumlah 1.297 OTU, lebih tinggi dibandingkan penyiraman setiap 1 hari yang menghasilkan 804 OTU.
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Peas (Pisum sativum L.) are legumes whose growth is greatly influenced by soil conditions and water availability. Soil management combined with appropriate watering frequency is necessary to support the vegetative growth of plants and pea soil. This study aimed to analyse the effect of growing medium and watering frequency combinations on vegetative growth and microbiome diversity in the root zone of pea plants. The study used a completely randomised design (CRD) with a factorial pattern. The first factor was the growing medium combination, which consisted of two levels, namely sterile and non-sterile soil with the addition of mycorrhiza and nanosilica fertiliser. while the second factor was watering frequency, consisting of three levels: P1 (watering every 1 day), P2 (watering every 2 days), P3 (watering every 3 days), and P4 (no watering). The parameters observed were plant height, leaf area, and number of pea plants. The data obtained were analysed using ANOVA, and if there were significant differences, they were followed up with Duncan's test at a 95% confidence level. Meanwhile, microbiome analysis was performed descriptively using the Next Generation Sequencing (NGS) approach of the 16S rRNA gene. The results showed that the highest plant height was obtained in the non-sterile soil treatment without mycorrhiza and nanosilica fertiliser with watering every 2 days (TTST–P2) with an average of 64.0 cm. The highest number of leaves was obtained in the sterile soil treatment with mycorrhiza and nanosilica fertiliser without watering (TSMP–P4) with an average of 35 leaves. The highest leaf area was found in the non-sterile soil treatment with mycorrhiza and nanosilica fertiliser with watering every 1 day (TTSMP–P1) with an average of 6.33 cm2. From the microbiome aspect, the non-sterile soil treatment with mycorrhiza and nanosilica fertiliser without watering (TTSMP–P4) showed the highest microbiome diversity with 1,297 OTUs, higher than watering every 1 day, which produced 804 OTUs.
| Item Type: | Thesis (Masters) |
|---|---|
| Uncontrolled Keywords: | Kacang polong, Media tanam, Frekuensi penyiraman, Mikrobioma tanah. Peas, Growing medium, Watering frequency, Soil microbiome |
| Subjects: | Q Science Q Science > QR Microbiology Q Science > QR Microbiology > QR74.8 Bacteria |
| Divisions: | Faculty of Mathematics and Science > Biology > 46101-(S2) Master Thesis |
| Depositing User: | Restu Hidayanti |
| Date Deposited: | 29 Jan 2026 23:59 |
| Last Modified: | 29 Jan 2026 23:59 |
| URI: | http://repository.its.ac.id/id/eprint/131334 |
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