Widyananda, Kanaya Syafina (2025) BIOENKAPSULASI Streptomyces sp. DENGAN SODIUM ALGINAT UNTUK PENGENDALIAN Fusarium sp. TANAMAN BAWANG MERAH. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Fusarium wilt disease in shallots is a significant problem that can reduce production. This study aims to evaluate the effect of sodium alginate concentrations (2%, 2.5%, and 3%) on the characteristics of Streptomyces sp. bioencapsulation beads, as well as their effectiveness in suppressing disease intensity and increasing plant growth. In vitro tests showed that a 3% sodium alginate concentration was able to maximize the viability of Streptomyces sp. in the 4th week of 5.7 x 1011 CFU/mL and had a bead morphology of 0.17 mm in diameter with the highest bioencapsulation efficiency of 79.18% and the lowest bead swelling value from 69.4% to 74.6%. In the in vivo test, the combination of beads with a concentration of 3% sodium alginate with an application time of 7 days before planting had the lowest disease intensity value of 6.67%, the highest average plant length of 49.26 cm and the highest number of leaves, namely 29 strands, while the best tuber weight was obtained from the combination of 3% sodium alginate concentration treatment with an application time that coincided with transplanting, namely weighing 24.07 grams. Keyword: Bioencapsulation, alginate, Streptomyces sp., Fusarium, Shallot.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > SB Plant culture > SB950-989 Pest Control and Treatment of Diseases, Plant Protection S Agriculture > S Agriculture (General) |
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| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Unnamed user with email 21025010128@student.upnjatim.ac.id | ||||||||||||
| Date Deposited: | 10 Dec 2025 02:50 | ||||||||||||
| Last Modified: | 10 Dec 2025 02:58 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/48107 |
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