Saputra, Mochammad Mirza (2022) Potensi Formulasi Bioenkapsulasi Bacillus Sp. Terhadap Penyakit Layu Bakteri Pada Tanaman Cabai Rawit. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Cayenne pepper production in Indonesia in 2021 decreased by 8.09% which was caused by many factors, one of which was disease. Bacterial wilt is one of the important diseases of cayenne pepper plants which has caused many losses to farmers. The control carried out by farmers is synthetic chemical pesticides used by farmers to overcome bacterial wilt disease, but this has a negative impact on the ecosystem. As an alternative, biological control uses biological agents such as Bacillus sp, which need to be formulated so that they can effectively inhibit bacterial wilt disease. Bioencapsulation formulations using sodium alginate and extrusion techniques are considered more stable and efficient than liquid formulations. This study used a factorial completely randomized design (CRD) using control factors. The first factor (K) is the concentration of sodium alginate used, K1 = 1% concentration; K2 = Concentration 1.5%; K3 = 2% concentration. The second factor (W) is the application time of the beads, W1 = coincides with transplanting; W2 = 7 days before transplanting. Each treatment was repeated 3 times. Observation of the beads showed that there were colonies of Bacillus sp. on the surface of the beads. The encapsulation efficiency (EE) results show that K3 treatment is the treatment with the highest value. The K2 treatment showed the lowest rate of change in bead diameter, namely 0.15 mm/week. The K2 and K3 treatments were treatments that were able to achieve the highest viability of 106 CFU/ml during the storage period. The K2W1 treatment was the best treatment in inhibiting bacterial wilt disease with a disease intensity of 55.5% and an inhibitory effectiveness of 44.5%. The K3W1 treatment was the best treatment in stimulating plant growth with a plant height of 16.3 cm, root length of 10.3 cm, and root wet weight of 0.56 grams.
| 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 > SB Plant culture |
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| Divisions: | Faculty of Agriculture > Departement of Agritechnology | ||||||||||||
| Depositing User: | Mochammad Mirza Saputra | ||||||||||||
| Date Deposited: | 22 Jan 2024 01:34 | ||||||||||||
| Last Modified: | 22 Jan 2024 01:34 | ||||||||||||
| URI: | http://repository.upnjatim.ac.id/id/eprint/20192 |
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