Факультет біоресурсів і природокористування

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Перегляд Факультет біоресурсів і природокористування по Назва

  • Матеріал
    1-МЦП і функціональні пошкодження плодів
    ("Есе", 2011) Мельник, Ігор Олександрович ; Мельник, Олександр Васильович
    вплив 1-МЦП на розвиток функціональних пошкоджень плодів
  • Матеріал
    158. Мамчур Т.В. Ботанічні
    (Умань: ВПЦ «Візаві», 2024) Мамчур Тетяна
  • Матеріал
    A study of apple rootstocks in intensive orchards
    (Warsaw–Ursynow, Poland, 1999-08-21) Мельник, Олександр Васильович ; Гончарук, Володимир Якович ; Цирта, Володимир Семенович ; Осадчий, Володимир Олександрович
    Представлені результати вивчення підщеп яблуні в інтенсивних садах
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    Activity of antioxidant enzymes and malondialdehyde content in sweet cherry fruits under living mulch conditions.
    (Zemdirbyste-Agriculture, 2023) Gerasko T. ; Kolesnikov M. ; Nezhnova N. ; Ninova G. ; Alekseeva O. ; Kovtuniuk Z.
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    ADAPTIVE AND PRODUCTIVE POTENTIALS OF SPRING GARLIC OF THE COLLECTION OF UMAN NATIONAL UNIVERSITY OF HORTICULTURE
    (Vegetable and Melon Growing, 2023-12-27) Yatsenko V.V., Yatsenko N.V., Ulianych O.I., Mostoviak I.I., Karpenko V.P.
    Among vegetables, garlic is most susceptible to genetic erosion due to no sexual reproduction. Purpose.To evaluate the genotypic and phenotypic diversity of local forms of spring garlic in the forest -steppe of Ukraine in order to identify valuable specimens for the following characteristics: yield, adaptability, and essential oil content. Methods. In 2018–2022, 12 local and introduced forms of spring garlic were studied in the field. To analyze the data obtained, regression analysis was used to determine the stability and plasticity of the cultivars. Results. The variability of the spring garlic bulb weight was medium (CV = 13%), however, in some accessions, this characteristic varied from 12% to 37 %. Accessions 'No. 33', 'No. 44', and 'No. 55' had significantly greater bulb weights than the mean value: 27.01–28.84 g (+11.9–19.4 % to Xmed). Analyzing the number and size of cloves in the bulb, we selected accessions 'No. 14' and 'No. 33', which had the smallest total numbers of the largest cloves. In general, the clove distribution in the bulb was as follows: 56% of small cloves, 39% of medium-sized cloves, and only 5% of large ones. That is, in the studied sample, there was no accession with a preponderance of large or medium-sized cloves. By essential oil content, the studied accessions were categorized as food cultivars with a minimum content of 0.220–0.253 mg/100 g ('No.', No. 14', 'No. 52', ' No. 53', and 'No. 54') and technical ones with a high content of 0.370 and 0.373 mg/100 g ('No. 43' and No. 57', respectively). By yield, 'No. 33', 'No. 44', and 'No. 52' stood out, yielding 8.94, 9.95, and 9.07 t/ha, respectively, which was statistically significantly more than Xmed by 18.7, 32.2 and 20.4%, respectively. Statistical analysis showed that 'No. 14' was the most stable in terms of this characteristic, while the other accessions were characterized as unstable with bi > 1 and σ2d > 0. The results of statistical processing showed that the phenotypes (CVp) of the studied traits in garlic were characterized by high heritability, which was changeable and depended on environmental conditions (CVe) to a greater extent than on genotype (CVg). Conclusions. Our study is an example of a description of the variability of local spring garlic cultivars and an approach to quantification of local adaptation that currently contributes to theirpreservation.
  • Матеріал
    Agrobiological assessment of productivity and nitrogen fixation of vegetable soybean (edamame) in the conditions of Forest-Steppe of Ukraine.
    (Agronomy Research, 2023) Yatsenko V., Yatsenko N., Karpenko V., Poltoretskyi S., Lazariev O., Kravchenko V., Chynchyk O., Vyshnevska L., Tretiakova S. and Kozyrsky D.
    Agrobiological evaluation of vegetable soybean cultivars (Glycine max var. Shirofumi) according to a complex of economically valuable traits for introduction in the conditions of the Forest-Steppe of Ukraine it was carried out with the aim of selecting the source material and selecting promising breeding forms according to morpho-biological and physiologicalbiochemical characteristics. The research was conducted in the conditions of the educational and production department of Uman National University of Horticulture during 2020–2022, collection cultivars of different ecological and geographical origins were used. The cultivars ‘Sac’ (166.00 g plant-1), ‘Vesta’ (139.33 g plant-1), ‘Fiskeby V’ (133.33 g plant-1), and ‘Fiskeby V-E5’ (146.67 g plant-1) possessed a large mass of edamame beans. The maximum yield of edamame beans was formed by plants of the ‘L 380-2-13’ (12.67 t ha-1), ‘Vesta’ (12.33 t ha-1), ‘Sac’ (13.20 t ha-1), ‘Fiskeby V’ (13.97 t ha-1), and ‘Fiskeby V-E5’ (14.53 t ha-1). Weather conditions during the period of research significantly influenced the yield and biochemical composition of edamame varieties. The yield of edamame beans ranged from 5.40 t ha-1in 2020 (min) to 22.40 t ha-1 in 2021 (max), and the coefficient of variation by varieties was at the level of 19–41%. This phenomenon is explained by the minimum amount of precipitation in 2020 and the high amount in 2021, which is confirmed by the hydrothermal coefficient during the period of intensive pod growth (VII–VIII) - 2020 - 0.3; 2021 - 1.3 and 1.1 respectively for the month. The protein concentration in Edamame beans was in the range of 27.94–36.29%. A higher protein content relative to the standard was noted in one sample - ‘Karikachi’ - 36.29%. Minimal accumulation of oligosaccharides was noted in ‘Sac’ and ‘Astra’ cultivars, which indicates their suitability for consumption. Promising cultivars were identified by the amount of fixed nitrogen - ‘Sac’ (168.00 ± 4.32 kg ha-1), ‘Astra’ (161.67 ± 2.36 kg ha-1) and SybNYYSOH 6 (158.19 ± 4.56 kg ha-1). The conducted regression analysis showed close relationships (from moderate to functional) between various indicators of the development and productivity of the nodulation apparatus of edamame cultivars. The evaluation of the collection cultivars of vegetable soybeans, their use according to the variability of morphological features and productivity made it possible to single out the ‘Sac’ among the introduced collection cultivars based on a set of valuable traits for use in the selection process to create new cultivars of vegetable soybeans.
  • Матеріал
    Agrobiological characteristics of spelt wheat and intermediate wheatgrass in the conditions of the Right-Bank Forest-Steppe of Ukraine
    (Melitopol, 2020) Karpenko, V.P. ; Poltoretskyi, S.P. ; Liubych, V.V.
    Estimation of spelt wheat and the species of intermediate wheatgrass by the main agrobiological indicators (calendar dates of the beginning of the main phases of plant development, plant height dynamics, dry mass accumulation, grain yield and protein content) compared to soft wheat was done. The index of stability of grain yield formation was determined. It was found that the main phases of development in spelt wheat occurred on average 10-15 days later than in soft wheat. Plants of intermediate wheatgrass in the first year of cultivation had slower growth. The main phases of development in plants of intermediate wheatgrass of the second and third year of growth occurred almost in the same time with soft wheat. It was established that spelt wheat and intermediate wheatgrass were significantly superior to soft wheat in plant height. In the earing phase, the height of these plants was on average more than 100 cm, which had to be taken into account when growing these crops. It varied from 25 to 42 cm in spelt wheat and from 29 cm to 57 cm in intermediate wheatgrass during the stem elongation phase depending on the weather conditions of the research year. This indicator ranged from 107 cm to 113 cm and from 96 cm to 117 cm, respectively, in the earing phase, and from 137 to 168 cm and from 107 cm to 196 cm in the phase of milk ripeness of grain. Plants of spelt wheat and intermediate wheatgrass had a high stability index of the formation of dry matter and grain yield. It should be noted that intermediate wheatgrass formed a significant vegetative mass even in the earing phase. The vegetative mass in spelt wheat was formed during the earing period - full ripeness of grain. These crops (spelt wheat - 22.1 +/- 0.4, intermediate wheatgrass - 22.4-24.6 +/- 0.2-0.5) were significantly superior to soft wheat (12.1 +/- 0.5) by the content of protein in grain, so it was recommended to involve them in the selection programs to create species with high productivity. However, spelt wheat (5.58 +/- 0.13) was less and intermediate wheatgrass (0.98-1.22 +/- 0.14-0.18) was the most inferior to soft wheat (8.03 +/- 0.27) in terms of grain yield.
  • Матеріал
    ANATOMIC CHANGES IN THE EPIDERMIS STRUCTURE OF THE LEAF APPARATUS AS AN INDICATION OF THE INFLUENCE OF PHYSIOLOGICALLY ACTIVE SUBSTANCES ON THE PLANT BODY
    ( 2011) Karpenko, Victor P.
    Thus anatomical changes in the epidermis structure of the leaf apparatus under the application of phisiologically active substances is a direct reflection of the level of the preparations influence on metabolic processes in plants and may serve for disclosing of mode of action of investigated preparation on the plant body at different stages of its growth. Встановлено, шо анатомічні зміни в структурі епідермісу листкового апарату за використання фізіологічно активних речовин є прямим відображенням ступеня впливу препаратів на обмінні процеси в рослинах і можуть слугувати розкриттю механізмів дії досліджуваних препаратів на рослинний організм на різних стадіях росту і розвитку.
  • Матеріал
    Anatomical changes in the epidermis of winter pea stipules and their area under usage of herbicide, stimulator of plant growth and microbial preparation.
    (Vali Press, 2021) Karpenko, V. ; Boiko, Y ; Prytulіak, R. ; Datsenko, A. ; Shutko, S. ; Novikova, T.
    The use and search for new methods and ways to reduce negative herbicidal effect on crops is a key factor in increasing the level of yield and quality in modern agricultural conditions, including cultivation of crops such as winter peas. One of the factors that reflects the depth of the effect of herbicides on the plant organism may be the anatomical structure of the leaf, thus, the aim of the research was to study the characteristics of epidermis and size of stipules of winter peas with the complex use of stimulator of plant growth and microbial preparation in herbicide cultivation technology.
  • Матеріал
    Assesment of holland-type apple orchard in various parts of Ukraine
    ( 1998) Мельник, Олександр Васильович ; Гончарук, Володимир Петрович ; Цирта, Володимир Семенович ; Шемякін, Михайло Васильович ; Пермякова, Світлана Юріївна ; Нагорний, Руслан Володимирович
    Assesment of holland-type apple orchard in various parts of Ukraine
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    Assessment of the ecological safety of the Ukrainian Polissya region based on landscape-ecological and radioecological approaches under martial law.
    (Journal Environmental Problems, 2026) Parakhnenko, V., Honcharuk, V., Balabak, O., Dekarchuk, M., Dekarchuk, S., Borovyk, P., & Shemiakin, M.
    The article examines the environmental impact of military operations on Ukraine’s natural landscapes from the perspective of environmental safety. The aim of the study is to develop an integrated methodological approach to assessing military and environmental risks based on a combination of landscape-ecological, radioecological, and geoecological analysis using geoinformation technologies.ring the study, a system for the spatial identification of environmentally hazardous areas was developed, taking into account the degree of landscape structure disturbance, levels of radioecological load, and the intensity of military impact. The results obtained made it possible to establish patterns in the spatial distribution of environmental risks and to identify areas with critical levels of degradation of natural components. A model for the integrated assessment of environmental safety was proposed, which provides for the ranking of territories according to the priority of restoration measures. novelty lies in the introduction of an interdisciplinary approach to the analysis of militaryecological threats, combining landscape-spatial modeling with radioecological assessment and geoinformation analysis. The practical significance of the results lies in the possibility of their application to improve the environmental monitoring system, plan environmental safety measures, and develop strategies for the environmental rehabilitation of territories affected by military actions. Keywords: environmental safety, military-ecological risks, landscape-ecological analysis, radioecological assessment, geoinformation technologies, ecosystem restoration.
  • Матеріал
    Bacterial blight of viburnum (Pseudomonas syringae pv. viburnum): Biological features, causes, and consequences of manifestation, methods of control in the system of decorative and fruit gardening
    (Polissia National University, 2023) Yakovenko R. ; Moskalets T. ; Pеlеkhаta N. ; Svitelskyi M. ; Verheles P.
    Viburnum bacterial blight weakens the growth of Viburnum trees (bushes) and inhibits the physiological processes caused by the Pseudomonas syringae pv. viburni bacterium which survives in the affected stem tissue, plant remains, and soil. The purpose of the study was to examine the bioecological features of the manifestation of Pseudomonas syringae pv. viburni and development of measures to control bacterial leaf spotting in viburnum gardens. During the experiment, diagnostic methods were used to select plant leaves, identify, record, and analyse the affected leaves of viburnum plants by the Pseudomonas syringae pv. viburni bacterium. A method to avoid or reduce the risk of bacterial blights was developed. It was determined that various approaches can be used to prevent bacterial diseases in plants of the Viburnum L. genus, such as selecting more disease-resistant varieties, collecting and destroying fallen leaves and branches after pruning, and following agricultural techniques and gardening practices. For chemical control, copper-based bactericidal preparations, such as copper hydroxide or copper sulfate can be used, which are recommended for use in autumn and spring before budding. Performing these actions will help to prevent the manifestation of bacterial diseases in plants. It is proved that in the conditions of the Northern Forest-Steppe of Ukraine in the system of fruit gardening, it is advisable to grow high- and medium-resistant genotypes of Viburnum vulgaris of the Institute of Horticulture of the National Academy of Agrarian Sciences of Ukraine against bacterial leaf spotting. The practical value of the study lies in the fact that information about bacterial blight or bacterial spotting of viburnum leaves was expanded; it was proved that various species of the Viburnum L. genus differ in their susceptibility to Pseudomonas syringae pv. viburni bacterial damage; it is confirmed that the susceptibility of viburnum plants to this disease can be substantially reduced due to low-susceptible and resistant varieties and species of the Viburnum L. genus and timely technical and chemical measures
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    Biodiversity and landscape diversity as indicators of sustainable development
    (E3S Web of Conferences 255, 2021) Sonko, Serhiy ; Maksymenko, Nadiya ; Vasylenko, Olha ; Chornomorets, Viktoriia ; Koval, Iryna
    The main purpose of the article is to substantiate the restrictive content of a sustainable development concept and to show how it is implemented in the theoretical foundations of the agriculture. Today, the initial restrictive content of the concept has changed beyond recognition in a continued large-scale consumption of natural resources. Consequently, the very concept of sustainability requires clarification. It is necessary to look for its signs in natural ecosystems, where the main indicator is life itself, maintained by the biosphere in a state of stable dynamic equilibrium. Introducing monoculture, people deliberately impoverish biodiversity in agroecosystems, by transforming natural into agro-landscapes. Adaptive technologies could be the means to achieve a stable balance. In that case, the mechanisms of matter-energy metabolism in agroecosystems will be closer to the biosphere. The article lays out a set of measures through which the use of nature can be closer to general scientific ideas of sustainability.
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    Biodiversity and landscape diversity as indicators of sustainable development
    ((ISCMEE 2021). Odesa, Ukraine, 2021-04-16) Sergiy Sonko ; Nadiya Maksymenko ; Olha Vasylenko ; Viktoriia Chornomorets
    The main purpose of the article is to substantiate the restrictive content of a sustainable development concept and to show how it is implemented in the theoretical foundations of the agriculture. Today, the initial restrictive content of the concept has changed beyond recognition in a continued large-scale consumption of natural resources. Consequently, the very concept of sustainability requires clarification. It is necessary to look for its signs in natural ecosystems, where the main indicator is life itself, maintained by the biosphere in a state of stable dynamic equilibrium. Introducing monoculture, people deliberately impoverish biodiversity in agroecosystems, by transforming natural into agro-landscapes. Adaptive technologies could be the means to achieve a stable balance. In that case, the mechanisms of matter-energy metabolism in agroecosystems will be closer to the biosphere. The article lays out a set of measures through which the use of nature can be closer to general scientific ideas of sustainability.
  • Матеріал
    Biological control of phytophages by different strains of Bacillus thuringiensis in apple orchards
    (ECOLOGICAL ENGINEERING & ENVIRONMENTAL TECHNOLOGY, 2025-04-01) Iryna Gumeniuk, Alla Levishko, Olena Sherstoboeva, Serhii Shchetina, Oleksandra Polunina, Valeriіa Bondar, Olena Demyanyuk
    The study assessed the use of effective microorganisms for the control of apple tree pests. Biological control of phytophagous pests is an environmentally safe alternative to chemical impact on ecosystems. The most successful bioagent used to control insect pests is Bacillus thuringiensis. The objects of research were apple trees of the Jonagold variety. The quantitative composition of the main insect pests of the apple tree by species was determined. The strains of microorganisms were isolated from dead insects of natural populations of leaf-eating phytophagous insects of the orders Coleoptera, Hemiptera, and Lepidoptera. The effectiveness of new bioagents was compared with chemical and biological insecticides in the course of the studies. In the course of studies of the isolated strains, they were found to be able to inhibit the growth of some phytopathogenic fungi. It was shown that the studied strains BT-43, BT-18, and BT-52 have a fungistatic effect, and strain BT-10 has a fungicidal effect against Botrytis cinerea and Alternaria mali Roberts. The effectiveness of the treatment of apple orchards affected by phytophages with bioinsecticides based on selected promising strains of B. thuringiensis was tested. The strain BT-10 proved to be particularly effective against pests, the effect of which is almost equal to or superior to that of deltamethrin. Due to the high efficiency and entomocidal effectiveness against insects of Lepidoptera, it is advisable to use this biological product in the future in the system of control of leaf-eating phytophages. The treatment of apple trees with biological products contributed to a significantly higher yield than the control, which was the highest when treated with the BT-10 strain. Investigating the cost-effectiveness of the used apple protection products based on BT strains, it was shown that treatment with a chemical insecticide reduced the cost by 18% compared to the control. Thus, the research has shown that the treatment of apple plantations with pest and disease control agents is an integral element of the technology of growing and storage of fruits.
  • Матеріал
    Black currant productivity formation as affected by the com-ponents of cultivation technology.
    (Plant Archives, 2021-03-19) Lozinska A. S. ; Polunina O. V. ; Sharapaniuk O. S. ; Chaploutskyi A. M. ; Melnyk Y. V. ; Zabolotniy O. I. ; Cherneha A. O ; Voitovska V. I. ; Liubych V. V.
    Studied in the experiment were the following components of cultivation technology for black currant: maintaining the soil between rows as black fallow or grassed; maintaining the rows as black fallow, mulched with straw or covered with polyethylene mulch film; foliar dressing in the budding stage with liquid suspended organic fertiliser Riverm at the concentrations of 1, 3 or 5% against the background of complete mineral fertiliser N60P90K90. According to the results of the research, it was found that the best growth and development of black currant plants was for maintaining the soil between rows as black fallow and maintaining the rows mulched with straw. Such practices activate the soil microbiota and facilitate the availability of nutrients to plants. Mulching with straw effectively protects against weeds, prevents damage to plants by tillage tools, and does not prevent rainfall from entering the soil. Accordingly, the best indicators of the maximum number of bunches of black currant (604) fruit number per bush (1315) were obtained in the treatment with maintaining the rows as black fallow and the use of fertiliser N 60P90 K90 (background) + Riverm 5 %. However, the highest fruit weight (1.66−1.74 g) was obtained in the treatment with maintaining the soil between rows as black fallow, the use of fertiliser background N60Р90K90 + Riverm 3 % or Riverm 5 %. In general, the use of mineral fertilisers along with foliar dressing using Riverm increased the fruit yield in the treatment with N60P90K90 + Riverm 3 % under maintaining the rows as black fallow and mulching the rows using the straw up to 13.44 t/ ha; for the use of Riverm 5 %, the fruit yield was 13.28 t/ha.
  • Матеріал
    CHARACTERISTICS OF THE MAIN COMPONENTS AND CRITERIA OF THE FORMATION OF THE ECOLOGICAL CULTURE OF FUTURE SCIENCE TEACHERS
    (Pedagogy and Education Management Review, 2022) 12. Vitalii Honcharuk , Valentyna Рliushch , Vladyslav Parakhnenko , Valentyna Honcharuk , Оleksandr Sanivskyi
    Nowadays, the problem of optimizing the interaction betweenman and nature by increasing the level of environmental culture of young people is relevant. The views of scientists on the specifics of the formation of environmental culture of higher education students are analyzed. Five interrelated components of the readiness of students of higher education for the formation of an ecological culture of students are characterized: motivational and valuable (deep interest of students in studying the ecological state of the environment, their conviction in the education of moral and ecological qualities in schoolchildren), cognitive (the formation of a certain system of psychological pedagogical, chemical, geographical, ecological, biological knowledge, which ensures the development of ecological thinking), procedural (formation of ecological and professional skills, skills and experience necessary for the implementation of environmentally safe activities with students), reflective and personal (formation in highereducation students of the skills to realize the results oftheir ecologically oriented activities, to objectively evaluate them and determine one's attitude towards them). According to the components, the criteria for the formation of the ecological culture of future teachers of natural sciences are defined: value-orientational, cognitive, practical-active, reflective-evaluative.
  • Матеріал
    Characterization of amino acid content of grain of new wheat varieties and lines.
    (Київ, 2018) Hospodarenko, H. M. ; Karpenko, V. P. ; Liubych, V. V. ; Novikov, V. V.
    Aim. To determine the formation of bound amino acids in grain of new wheat varieties and its biological value. Methods. Field, physical-chemical, computational, analysis. Results. The differences in amino acid composition of new varieties and lines of wheat were analyzed. It was established that the highest content of essential amino acids was in the grain of the Kulundynka variety (5.18 %) or 2.5 times higher compared to the standard (2.99 %). Their content in the grain of soft wheat, obtained by the hybridization of Triticum aestivum L./Triticum spelta L., was 1.4–1.5 times higher compared to the control. The grain of the soft variety Kulundynka had the highest biological value as the score of essential amino acids was not de cient and the remaining varieties were de cient in 2–5 amino acids. Only methionine was de cient in the grain of soft wheat lines (AAS = 64– 74 %). Conclusions. The content of amino acids in soft wheat grain depends considerably on weather conditions, selective-genetic origin of the variety and the line. Glutamic acid, proline, and leucine were found to be most abundant. Out of nine samples of soft wheat tested, only the seed of the Kulundynka variety had a nonde cient amino acid score (91–298 %), and in the Pannonikus variety methionine was limited (49 %). The best balanced content of amino acids is present in the grain of non-spelt lines, obtained by hybridization of Triticum aestivum L. and Triticum spelta L., namely 7 and LPP 1314. The grain of these lines has a non-de cient amino acid score, more methionine (AAS = 64–74 %), and supplies human daily requirement in the best way. The grain has a high index of complex estimation and metabolization coef cient for essential amino acids.
  • Матеріал
    Cobalt- and carbonate-containing calcium phosphates: synthesis and investigation
    (Інститут металофізики НАН України, 2026-01-01) Strutynska N.Yu., Bebkevich O.M., Zhilyak I.D., Slobodyanik M. S.
    Кобальт- та карбонатвмісні кальцій фосфати: синтез та дослідження Наночастинки кобальт і карбонат- вмісних кальцій фосфатів апатитового типу та біфазних кальцій фосфатів (суміш фаз на основі гідроксиапатиту –Са10(РО4)6(ОН)2) та -трикальцій фосфату – -Са3(РО4)2) синтезовано з водних розчинів системи Сa2+-Сo2+-PO43--CO32--NO3- за мольних співвідношень Сa2+ : Сo2+ : PO43-: CO32- = (10-х-у/2) : х : (6-у) : у, (x = 0.05, 0.1, 0.5, 1.0; у = 0, 0.5) при кімнатній температурі з подальшим нагріванням до температури 500 С. Розміри кристалітів у всіх випадках, незалежно від складу вихідного розчину, є близько 30 нм. Розраховані параметри комірок для синтезованих кальцій фосфатів (гексагональна сингонія, просторова група Р63/m) зменшуються по мірі збільшення кількості катіонів кобальту у їх складі, що свідчить про часткове заміщення атомів кальцію кобальтом у катіонній підгратці апатитового типу. Результати ІЧ-спектроскопії підтверджують реалізацію часткового заміщення фосфат-аніону карбонатними групами (Б тип) у структурі гідроксиапатиту. Одержані результати можуть бути використані у розробках наноматеріалів різного призначення на основі легованих катіонами кобальту (до 3мас%) кальцій фосфатів апатитового типу. Ключові слова: гідроксиапатит, біфазний кальцій фосфат, кобальт, карбонат, ІЧ-спектроскопія
  • Матеріал
    Combined application of microbial preparation, mineral fertilizer and bioadhesive in production of leek
    (Estonian Agricultural University, 2020) Karpenko, V. ; Slobodyanyk, G. ; Ulianych, O.
    The research deals with additional fertilizing of leek cultivars Goliath and Tango with bacterial preparation Organic-balance and mineral fertilizer DripFert N20P20K20 combination with adhesive agent of a natural origin Liposam. Field research was performed on the experimental plots of the Department of Vegetable Growing of Uman National University of Horticulture. The research focused on microbiological processes and formation of productivity in the leek crops depending on the combination of preparations. It has been established that the number of bacteria Azotobacter in the rhizosphere of leek increased 2.8 times after a four-time fertilizing with bacterial preparation Organic-balance and bioadhesive Liposam during vegetation. The maximum number of bacteria, including Azotobacter, in the rhizosphere of leek, was recorded after a four-time fertilization with DripFert N20P20K20-balance and Liposam. The share of influence of additional fertilization on the microbiota of the rhizosphere made up 77 97%. Leek cultivar Tango produced a larger assimilative leaf surface. Depending on the fertilizing the maximum leaf surface and photosynthetic potential of leek cultivars Tango and Goliath were recorded under combination of Organic-balance + DripFert N20P20K20 + Liposam. The yielding capacity of variety Goliath was better than that one of the variety Tango regardless of fertilizing. To make the growing technology of leek more environmental friendly it is advisable to introduce in the growing technology bacterial preparation Organic-balance together with Liposam. Utilization of these preparations improves crop yield, which makes up 0.6 0.7 t ha-1 for variety Goliath and 1.1 2.7 t ha-1 for variety Tango correspondingly. The investigated leek varieties had the maximum yields under combined application of Organic-balance + Liposam with fertilizer DripFert N20P20K20 24% higher than provided by plants grown without fertilization.