Faculty of Agricultural Sciences and Food

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Author: search.filters.author.Ana Vujošević

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    THE EFFECT OF DIVERSE FERTILIZERS ON THE QUALITY OF BEGONIA SEMPERFLORENS LINK. ET OTTO.
    (2022)
    Margarita Davitkovska
    ;
    Zvezda Bogevska
    ;
    Gordana Popsimonova
    ;
    Rukie Agic
    ;
    Ana Vujošević
    This research was carried out to analyze the effect of diverse types of fertilizers and concentrations on the morphological features of Begonia semperflorens Link. et Otto., as well as to determine the most appropriate concentration of fertilizer to obtain the highest plant quality. Different types of liquid fertilizers and concentrations were used in this experiment - Agrosal with NPK 10-5-5 + microelements (0.2%; 0.3%; 0.4%), Agrosal with NPK 7-1-5 + microelements (0.2%; 0.3%; 0.4%) and Agrosal with NPK 12-5-7 + microelements (0.2%; 0.3%; 0.4%). For measurement, 30 plants were used per treatment, three months after planting into plastic containers. The following biometric parameters were analyzed: plant height (mm), number of leaves, number of branches, and number of inflorescences. Measurements of biometric parameters showed that the liquid mineral fertilizer Agrosal with NPK 12-5-7 + microelements and a concentration of 0.4% showed the highest average number of branches and number of inflorescences. Agrosal with NPK 12-5-7 + microelements and concentration of 0.3% showed the highest average height of plant and Agrosal with NPK 7-1-5 + microelements and concentration of 0.2% showed the highest average number of leaves. Agrosal with NPK 12-5-7 + microelements and a concentration of 0.4% can be recommended in practice.
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    Sensory evaluation of different infusions from aromatic herbs
    (2019)
    Boris Dorbić
    ;
    Emilija Friganović
    ;
    Marija Slipčević
    ;
    Margarita Davitkovska
    ;
    Zvezda Bogevska
    Both in the past and in the present humans have been surrounded and dependent on medicinal herbs. They gradually gained a deeper insight into them, primarily for the purpose of use in traditional medicine and subsequently also in order to use in everyday diet. All the parts of the plant that contain active substances (e.g. fruit, flower, leaf, stem, root, tuber, etc.) are used in the processing of aromatic plants. Tea can be prepared as an infusion, decoction, extraction through cooking and maceration. Most teas are prepared as an infusion. The general part of the paper provides a description of biological and chemical characteristics of aromatic plants whose infusion had been used for sensory evaluation, such as: lavender, linden, chamomile, peppermint (mint), fennel, sage and thyme. In the practical segment of the paper, the method of consumer sensory evaluation was used to evaluate the infusions made from the previously mentioned species of aromatic plants (20 grams monodose) produced by the company Franck L.t.d. Zagreb, which was simultaneously also the objective of this paper. Sensory evaluation was conducted during the second half of 2018 on a sample of 20 students from Marko Marulić Polytechnic of Knin. According to the evaluation results, sage infusion was graded as sufficient by the respondents. Infusions from lavender, thyme and linden were graded as good, whereas infusions from mint, chamomile and fennel were graded as very good by the respondents.
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    Perceptions and attitudes about ornamental characteristics of sub-mediterranean deciduous trees during the winter season
    (2018)
    Boris Dorbić
    ;
    Sandra Dukić
    ;
    Emilija Friganović
    ;
    Margarita Davitkovska
    ;
    Zvezda Bogevska
    The selection of appropriate trees is extremely important whilst designing different landscape surfaces, since it frequently defines both the appearance and the comfort of the open space. Ornamental values of the tree species throughout the year need to be considered. Some deciduous trees can show their ornamental value even during the winter season. Due to one or more ornamental characteristics (habitus, tree bark, tree trunk, branches, twigs and fruits) during the winter season, around 10 species of trees can be highlighted in the sub-Mediterranean climate, which is also the climate in the city of Knin. They include the following tree species: Celtis australis L., Ulmus pumila L., Tilia cordata Mill, Morus nigra L., Aesculus hippocastanum L., Acer negundo L. etc. Consequently, the objective of this paper was to conduct research on perceptions and attitudes about ornamental characteristics and the use of deciduous sub-Mediterranean trees during the winter season. The survey research was conducted in April and May of 2017 on a sample of 50 respondents originating from the area of the city of Knin and its outskirts. Based on the findings of the previously mentioned research, the conclusion was reached that the respondents originating from the city of Knin and its outskirts evaluated the ornamental characteristics for the use of eight out of nine selected tree species with the average grade good. The hybrid plane tree referred to as London plane or Platanus x hispanica Münchh received the highest grade. They most probably liked this species due to its unusual appearance (habitus, fruit, tree trunk etc.) and its less frequent use in parks and landscape surfaces. The findings of this research can be used for the purpose of design of different landscape surfaces aimed at increasing user comfort and satisfaction.