Faculty of Agricultural Sciences and Food

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Author: search.filters.author.Boris DorbićLanguage: search.filters.language.English

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    PERCEPTIONS AND ATTITUDES ON ORNAMENTAL FEATURES AND THE USE OF BASIL AND PEPPERMINT
    (Ss Cyril and Methodius University in Skopje, Faculty of Agricultural Sciences and Food - Skopje, 2022)
    Barbara Jurin
    ;
    Boris Dorbić
    ;
    Margarita Davitkovska
    ;
    Emilija Friganović
    Ocimum basilicum L. (basil) is an herbaceous annual species. For sale, basil is grown as fresh, dried, frozen or in the form of essential oils. In addition to the above-mentioned, basil is also an ornamental species that is mostly used as a potted plant or aromatic species cultivated in private gardens. The stem is herbaceous, erect and 40-60 cm in height. Flowering begins in the middle of the sixth month and lasts about two months. Mentha x piperita L. (peppermint) is an ornamental, perennial, medicinal, aromatic and honey-bearing species with a branched stem of 40 to 100 cm in height. It is used fresh, dried, or in the form of essential oils. The peppermint leaves are of dark green in colour, serrated, pointed, opposite positioned and oval in shape. The plant blooms from June to October. The paper also contains results of a survey whose goal was to investigate the perception and attitudes of respondents about the ornamental characteristics, and also the applications of different cultivars and varieties of basil and peppermint. The survey was conducted during the first half of 2022. When it comes to ornamental characteristics, respondents do prefer cultivars with a "more special" appearance of leaves and flowers. The decorative characteristics and application of basil and peppermint plants were regarded with very good marks. Maintaining the species in private gardens is mostly perceived as easy.
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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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    The effect of two different fertilisers on the quality of Viola x wittrockiana Gams. seedlings
    (2020)
    Margarita Davitkovska
    ;
    Zvezda Bogevska
    ;
    Boris Dorbić
    ;
    Vjekoslav Tanaskovic
    ;
    Romina Kabranova
    This research was carried out to analyse the effect of diverse types of fertilisers on the morphological features of pansy seedlings (Viola x wittrockiana Gams.), as well as to decide on the most appropriate concentration of fertiliser in order to obtain the highest seedlings quality. Two different types of liquid fertilisers were used in this experiment - Magnicvet and Magnihortal with six treatments. Each treatment comprised 30 plants or a total of 180 plants in the experiment were used. 30 plants per treatment were measured, 50 days after planting into plastic containers. The following biometric parameters were analysed: plant height (mm), stem thickness (mm), number of branches and number of flower buds. Measurements of biometric parameters showed that the liquid mineral fertiliser Magnihortal with NPK 10-5-5 + micro elements is more appropriate as compared with the liquid mineral fertiliser Magnicvet with NPK 7-1-5 + micro elements concerning the reinforced nutrition and eventually the enhanced quality of Viola x wittrockiana Gams. seedlings. Treatment V (Magnihortal 0.3 %) showed the highest average height of seedlings, average stem thickness and average number of branches, while the treatment VI (Magnihortal 0.4 %) showed the highest average number of flower buds.
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    QUALITY EXAMINATION OF PRIMULA ACAULIS HILL. TREATED WITH TWO DIFFERENT FERTILIZERS
    (2021)
    Margarita Davitkovska
    ;
    Romina Kabranova
    ;
    Zvezda Bogevska
    ;
    Gordana Popsimonova
    ;
    Rukie Agic
    This research was carried out to analyse the effect of two types of fertilisers on the morphological features of Primula acaulis Hill., as well as to decide on the most appropriate concentration of fertiliser in order to obtain the highest plants quality. Two different types of liquid fertilisers were used in this experiment - Magnicvet and Magnihortal with six treatments. Each treatment comprised 30 plants or a total of 180 plants in the experiment were used. 30 plants per treatment were measured randomly, four months after planting into pots. The following biometric parameters were analysed: plant height (mm), number of leaves, number of flower buds and number of flowers. Measurements of biometric parameters showed that the liquid mineral fertiliser Magnicvet with NPK 7-1-5 + micro elements is more appropriate as compared with the liquid mineral fertiliser Magnihortal with NPK 10-5-5 + micro elements concerning the reinforced nutrition and eventually the enhanced quality of Primula acaulis Hill.. Treatment with Magnicvet 0,4% showed the highest average number of leaves and average number of flower buds, while the treatment with Magnicvet 0,2% showed the highest average plant height and the treatment with Magnicvet 0,3% showed the highest average number of flowers.