National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Business Plan in Agritourism
PETR, Jindřich
Agritourism represents a suitable form of diversification for the farmers in rural areas. The aim of this thesis is to create a business plan for farm providing services related to agritourism in Hluboká nad Vltavou. Therefore, the thesis analyses the external environment of the planned company on the PEST framework and discerns possible threats and opportunities of the project on the SWOT analysis framework. The offer of services and products of the planned farm is based on the results of the quantitative market survey conducted in Hluboká nad Vltavou in 2018 reflected in four suggested target groups of customers and the study of the offers of rival companies in region. The rentability of the project is financially evaluated by the net present value method.
The effect of the treatment with elicitors on the content of some biologically active constituents in chosen plant
PETR, Jindřich
The aim of this thesis was to study the effect of the acetylsalicylic acid on the stimulation of plant immunity and thus the influence on the content of the active constituents in Silybum marianum L. plants. The main active constituents of Silybum marianum L. seeds are silybine, silydianine, isosilybine, silycristine, usually expressed as silymarine content, and taxifoline. These constituents have antihepatotoxic effect and many different protective effects on numerous organs and cells. Knowledge about stress and elicitation, origin, botanical characterization, growth, development and cultivation of Silybum marianum L. were summarized before the research.The small-plot experiment was set up in Hluboká nad Vltavou in 2013. Plants of Silybum marianum were divided into four groups and then three goups were treated three times during the vegetation with the acetylsalicylic acid of three different concentrations - 10-3 mol.l-1 (high), 10-4 mol.l-1 (medium) a 10-5 mol.l-1 (low). Every single one group was treated with only one concentration of the acetylsalicylic acid. The last group was treated only with water and served as a control group. The preparation of the extracts was being held with using mixture of acetone, methanol and water. The extracts were determined by High Performance Liquid Chromatography.The effects of each chosen concetration of acetylsalicylic acid (high, medium, low) on the active constituents in seeds were not statistically proven compared to seeds without aplication of the elicitor (control group). The ineffectiveness of the elicitor should have been also caused by nonoptimal condition of plants due to various abiotic and biotic stressors.
The effect of the treatment with elicitors on the content of some biologically active constituents in chosen plant
PETR, Jindřich
The aim of this thesis was to study the effect of two different elicitors - ELITiC and Elitic Jack on the stimulation of plant immunity and thus the influence on the content of the active constituents in Silybum marianum L. plants. The main active constituents of Silybum marianum L. seeds are silybine, silydianine, isosilybine, silycristine, usually expressed as silymarine content, and taxifoline. These constituents have antihepatotoxic effect and many different protective effects on numerous organs and cells. Knowledge about stress and elicitation, origin, botanical characterization, growth, development and cultivation of Silybum marianum L. were summarized before the research. Then the small-plot experiment was set up in Hluboká nad Vltavou in 2010. Plants of Silybum marianum were treated three times with 2,000 ml of preparation ELITiC and 2,000 ml of preparation Elitic Jack both diluted in 5 l of water. The preparation of the extracts was being held with using mixture of acetone, methanol and water. The extracts were determined by High Performance Liquid Chromatography. The effects of both preparation ELITiC and preparation Elitic Jack on the active constituents in seeds were not statistically proven compared to seeds without aplication of elicitors. The ineffectiveness of elicitors should have been caused by unsuitable chosen concentration as well as by nonoptimal condition of plants due to various abiotic and biotic stressors.

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19 PETR, Jan
6 Petr, Jakub
19 Petr, Jan
4 Petr, Jaroslav
13 Petr, Jiří
5 Petr, Josef
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