Harijono, Abigail Febby Puspo (2025) INDUKSI MUTASI IN VITRO BEBERAPA VARIETAS KRISAN (Chrysanthemum morifolium) UNTUK DATARAN RENDAH DENGAN MENGGUNAKAN EMS (Ethyl Methane Sulfonate). Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
Chrysanthemums in Indonesia are widely grown in the highlands, which are currently experiencing a decline in production and flower quality due to changes in global conditions, especially temperature. Extensification efforts are needed by producing new varieties that are adaptive outside their native environment. The aim of this study was to produce chrysanthemum mutants using EMS to overcome temperature and production problems. Chrysanthemum variety Maruta was induced in vitro with various concentrations of EMS, namely 1%, 1.5% and 2%. Quantitative character data such as percentage of live plantlets, explant height, number of shoots, number of leaves. Qualitative characters were observed using Munsell Color Chart to identify leaf color and stem color. The results showed that Maruta explants had a high percentage of live explants in all treatments, both control and EMS-treated, which was more than 50%. Explant height, number of shoots, and number of leaves decreased as the concentration of EMS used increased, when compared to the control explants. The leaf shape of chrysanthemum explants treated with EMS concentrations did not give a different appearance, similar to the control. However, changes in leaf and stem color showed that the higher the EMS concentration used, the lighter or brighter the color tended to be.
| Item Type: | Thesis (Undergraduate) | ||||||||||||
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| Subjects: | S Agriculture > S Agriculture (General) | ||||||||||||
| Depositing User: | Abigail Febby Harijono | ||||||||||||
| Date Deposited: | 20 Jun 2025 06:37 | ||||||||||||
| Last Modified: | 20 Jun 2025 06:37 | ||||||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/38848 |
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