In order to increase the quality and yield of ornamental plants, especially potted ornamental plants, it is necessary to enrich the physical properties of the growing medium and to ensure the continuity of the growing medium. In order to achieve this, organic substances that create a serious cost in ornamental plant cultivation are added to the growing medium. This study was planned to assess the role of inoculation of different levels in the seeds and soaking times of purified phytase, on the plant growth and ornamental plant decorative values in ornamental cabbage plants under nutrient limiting condition in greenhouse. Different doses (E0: 0 EU, E1: 5 EU, E2: 10 EU), soaking times (W15: 15 min, W30: 30 min, W60: 60 min), and their combinations (W15 + E0, W15 + E1, W15 + E2, W30 + E0, W30 + E1, W30 + E2, W60 + E0, W60 + E1, W60 + E2) of phytase enzyme purified and isolated from the Lactobacillus coryniformis were applied to ornamental cabbage seeds, and they were sown in plug trays filled with appropriate growing medium. Seedlings were planted in plastic pots during their period when the seedlings had four to five true leaves. Treatments of phytase enzyme purified and isolated from the microorganism generally improved the observed parameters. The application of, especially, the highest level of phytase enzyme doses increased the plant height, main stem height, and stem diameter of ornamental cabbage as compared to control (E0 treatment: distilled water). While the highest number of leaves per plant was obtained at E1 and E2 application doses and W30 and W60 soaking times; the highest stem diameter was obtained at E2 application doses and W30 and W60 soaking times. The present study clarified that the purified phytase enzyme can increase ornamental cabbage quality at the appropriate concentration and soaking time and is a promising biotechnology material for agricultural applications, and especially in different ornamental plant species.

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Öz: ''Nano-Era'' adıyla bilinen akım giderek yaygınlaşarak çeşitli nanoteknoloji araştırma programları ve mühendislik uygulamaları ile birlikte son derece popülerlik kazanarak araştırmacıların dikkatini çekmektedir. Tarımda nanomateryallerin kullanımı ''under explorer'' olarak adlandırılmaktadır. Nanomateryallerin kendilerine ait üstün özellikleri ile tarımsal uygulamalarda ne düzeyde olumlu katkı yaratabilecekleri merak konusudur. Bu hipotezle çalışma, çeşitli nanomalzemelerin gübre ve büyüme düzenleyici olarak kullanılabilirliği açısından güncel araştırmaları içermektedir. Derleme makale, nanomateryallerin tarımda uygulanması konusunda ilgili araştırmacılar için önemli bir veri kaynağı ve haraket noktası olabilecek düzeyde önem arz etmektedir.