Historical aspects, morphological-biological and agro-technological features of cultivation of tulip varieties (Tulipa (L.) for the purpose of further use in gardening

Author(s):  
V.V. Polishchuk ◽  
◽  
L.V. Kalyuzhna

The evaluation of 50 introduced tulip genotypes (Tulipa (L.) in the conditions of the Right-Bank Forest-Steppe of Ukraine were made by the Department of Horticulture of Uman National University of Horticulture into groups, classes, where different varieties, mainly of foreign selection were represented according to their decorative qualities, basic economic and biological features and grouped into a collection. The indicators concerning the phonological phases of development of introduced plants in the context of individual varieties of tulips and on average by years of research carried out and generalized. A brief agrobiological and decorative characteristics of collection varieties in the conditions of the Right-Bank Forest-Steppe of Ukraine, which are included in further research on the cultivation and reproduction of promising varieties is given/ Bulbs of all introduced varieties were planted in late September, namely on the 25th-27th, so that they would be fully rooted. before the first frosts, It should be noted that first of all, small fractions of bulbs were planted, sticking them into the loose soil at the bottom of the furrow made only with a distance of 6–8 cm from each other. However, we also took into account the factor that small bulbs were planted somewhat denser at depth, which is usually three times the height of the bulb. The plant survival stage was completed within 2–3 weeks. For processing we have chosen a site in the botanical nursery of the Department of Horticulture, where there are no stagnant floods and rainwater. During its preparation, a large fraction of river sand was applied for better moisture throughput, and with a small excess it can be easily removed. Later, when the soil actually freezes to a small depth, namely 1–3 cm, the experimental area was mulched with 3–5 cm sawdust and in the spring the mulch was raked. The experimental area was completely protected from cold winds, which in turn didn’t shorten the flowering period and didn’t actually weaken the plants. Field observations on the resistance of different varieties of tulips to gray rot in the Forest-Steppe of Ukraine were carried out and it was found that the infection of the studied genotypes was at a low and very low level, despite the contrasting conditions of different years of study. In early spring seedlings were sprayed with fungicides to prevent gray rot.

Author(s):  
H. I. Muzyka ◽  
O. L. Porokhniava ◽  
N. O. Honchar

The results of 35-year research of the introduction of East Asian climbing honeysuckles of the subgenus Chamaecerasus Rehd. in the Right-Bank Forest-Steppe of Ukraine and their role in optimizing the structure of phyto- cenoses of the The National Dendrological Park «Sofiyivka» of the NASU were presented. It was found that the climatic conditions of the introduction area have significant differences between climate indicators (thermal regime indicators and others) with the climatic conditions of natural habitats of climbing honeysuckles species of the subgenus Chamaecerasus, which negatively affect the rhythm of development and flowering and fruiting of introduced plants. It was determinated that the generative period of climbing honeysuckles of the subgenus Chamaecerasus in the arboretum occurs at 4–6 years of age. Most of the introduced honeysuckle was characterized by good (4 points) and satisfactory (3 points) flowering. Representatives of the subsection Breviflorae Rehd. were characterized by long and remontant flowering. It was found that the dynamics of daily fertility of honeysuckles pollen from different areas is closely related to the daily course of flower bloom- ing and daily flight activity of pollinating insects. The duration of the period of fruit formation of introduced honeysuckles depends on the time of the beginning of flowering of species and their geographical origin. Determined amount of positive temperatures above 0 °C required for mass ripening fruit honeysuckles different geographical origin. The plants bear fruit single fruits with empty seeds (ball bearing 1). The collection of climbing honeysuckles of the subgenus Chamaecerasus was created in the National Dendrological Park «Sofiyivka» of the NAS of Ukraine, it has significant scientific and informative value as collector' s stuff is valuable gene pool for further breeding work. The optimal forms of conservation and cultivation of biodiversity of round honeysuckle of the genus Lonicera L. in the one-species gardens and other artificially created phytocenoses have been determined.


Author(s):  
L. V. Kononenko

Purpose. Determine the oil content and glucosinolate content and productivity of spring camelina and spring rapeseed as affected by varietal characteristics. Methods. The research was conducted in the educational-scientific-industrial complex of Uman National University of Horticulture. Spring rapeseed varieties ‘Belinda’, ‘Aidar’, ‘Heros’, ‘Jerry’ and spring camelina varieties ‘Zevs’, ‘Hirskyi’, ‘Slavutych’, ‘Mirazh’ were studied. Seeds were sown in a row to a depth of 1.5 cm with a seeder CH-16. The sowing rate was 300 seeds/m2, or 5.4 kg/ha. The crop was harvested separately by Sampo-500 combine. Results. In spring rapeseed, the highest yield was marked by variety ‘Aidar’ (2.52 t/ha) and the lowest by ‘Heros’ (2.43 t/ha). In spring camelina, the highest yield was in variety ‘Zevs’ (2.31 t/ha) and lower in ‘Hirska’ (2.15), ‘Mirazh’ (2.27), and ‘Slavutych’ (2.22 t/ha). The highest oil content among rapeseed varieties demonstrated ‘Aidar’ (43.7%). Slightly lower it was in ‘Belinda’ (43.2%), ‘Jerry’ (42.8) and ‘Heros’ (42.6%). Depending on the varietal characteristics, the highest percentage of oil content was found in spring camelina varieties ‘Zevs’ (45.1%). It was lower by 0.5 and 0.9% in ‘Mirazh’ and ‘Slavutych’. The lowest percentage of oil content (43.7%) was determined in camelina variety ‘Hirska. In spring rapeseed varieties, the highest content of glucosinolates was in ‘Aidar’ – 20.5 μmol/g, 0.3 and 0.5 μmol/g less in ‘Belinda’ and ‘Jerry’, and the lowest in ‘Heros’ (19.8 μmol/g). In spring camelina, the highest value was in the variety ‘Zevs’ (22.0 μmol/g), and the lowest in ‘Hirska’ (21.0 μmol/g). ‘Mirazh’ and ‘Slavutych’ contained 21.7 and 21.4 μmol/g of glucosinolatesm respectively. Conclusions. The productivity of oilseed crops varies under the same growing conditions: spring rapeseed, regardless of varietal characteristics, demonstrated higher yield compared to camelina. On average over the years of research and varieties, this indicator was 2.47 t in spring rapeseed, and 2.24 t/ha in spring camelina, which is 0.23 t/ha less. In rapeseed, the oil content of the seeds was 43.07%, the content of glucosinolates varied from 19.8 to 20.5 μmol/g. In spring camelina, the oil content of seeds was 1.33–44.40% higher, the content of glucosinolates ranged from 21.0 to 22.0 μmol/g. The level of profitability of the studied oilseed crops was high and varied as affected by varietal characteristics: in rapeseed from 122 to 141%, and in spring camelina from 182 to 196%.


Author(s):  
Z. I. Kovtuniuk ◽  
H. Ya. Slobodianyk ◽  
H. V. Ninova ◽  
O. Yu. Polovynchuk

Purpose. To establish the peculiarities of growth and development and formation of productivity of Savoy cabbage varieties (Brassica sabauda Lizg.) in the conditions of the Right-Bank Forest-Steppe of Ukraine. Methods. The research was conducted in the Research and Production Department of Uman National University of Horticulture in the years 2018–2020. Varieties of savoy cabbage (‘Vertu 1340’ – control, ‘Sphere’, ‘Rozali’ and ‘Vertus’) were planted according to the scheme 70 × 40 cm (35.7 thousand plants/ha). Results. During the sowing of seeds (April 25) on cold ridges in a row method with a row spacing of 10 cm, mass shoots of Savoy cabbage were observed on average in early May (7–8 days), the beginning of head formation – in the middle of August, and their technical maturity in late September. Intensive growth of heads took place in the middle and late August and ended in late September. On average, over the years of research, the largest diameter of the head was observed in the cultivars ‘Vertu 1340’ – 18.7 cm, the smallest in the ‘Rosalie’ – 16.1 cm. at one level – 17.5 and 17.6 cm, respectively. The smallest in height at the level of the rosette and head were plants of the ‘Sphere’ and ‘Vertus’ varieties – 25.4 and 23.4 cm and 26.9 and 24.6 cm, respectively. The control variety ‘Vertu 1340’ was characterized by the highest indicators of height of both the rosette (40.7 cm) and the actual head (36.5 cm). Slightly lower rates were observed in the variety ‘Rosalie’ – 32.9 and 31.8 cm, respectively. The highest yields were formed by Savoy cabbage varieties ‘Vertus’ (53.1 t/ha) and ‘Sphere’ (51.8 t/ha), which exceeded the control variant by 7.4 and 6.1 t/ha, respectively (‘Vertu 1340’ – 45.7 t/ha). The least productive among the studied assortment was ‘Rosalie’ yielding 39.9 t/ha. Conclusions. When grown in the Forest-Steppe of Ukraine, the highest yields of marketable products are formed by Savoy cabbage varieties ‘Sphere’ and ‘Vertus’.


Author(s):  
V. Karpenko ◽  
O. Korobko

Nowadays pea and soybeans prevail in agrocoenosis among legume in the Right-bank Forest-steppe. In contrast to these crops, the chickpea is more drought-resistant at the same time, it does not lodge, and the beans do not crack when ripe. In this regard, the problem of developing the elements of chickpea cultivation technology becomes important, in particular, the selection of effective measures to protect crops from weeds using herbicides. It is possible to reduce and overcome herbicide stress when using biological preparation of natural origin – microbial drug and plant growth regulators. The experimental part of research was held during 2015–2017 in the field training and production department and research laboratory of the department of microbiology, biochemistry and plant physiology of Uman National University of Horticulture. Accounting and study of plants height and leaf-area duration in experiments were done in accordance with methodologies, described by Z. M. Hrytsayenko and co-authors. Statistical analysis of the results of the studies was carried out using the methods of dispersion analysis, described by B. A. Dospekhov. As a result of the research it was found: the height and area of the leaves of chickpea plants varied both by years and depending on the use of different norms of the herbicide Panda, entrenched separately and against the background of seeds processing PGR Stympo and MD Ryzobophyt. On the average over the years of observation over the independent action of MD Ryzobophyt (1,0 l/t) the plant height of chickpea with regard to control I grew into 2%, leaf-area duration with regard to control I grew into 12 %. At individual action PGR Stympo (0,025 l/t) with regard to control I grew into 16 %. In variants of cooperative usage of MD Ryzobophyt and PGR Stympo increasing of a chickpea height with regard to controls I contained 8 %, the index of leaf-area duration increased with regard to controls I into 20%. At individual usage of the herbicide Panda in limits 3,0 and 4,0 l/g the plant height grew into 1 and 8 %, the leaf-area duration of chickpea increased into 9 and 32% with regard to control I, at limits 5, and 6, l/g – in 4 and 2% the leaf-area duration of chickpea grew into 19 and 14% with regard to control I. While processing by a mixture of MD Ryzobophyt (1,0 l/t) and PGR Stympo (0,025 l/t) and entering the herbicide Panda in limits 3,0–4,0 l/g before the chickpea sowing the height of a crop surpassed the control I on 12 and 19 % , the leaf-area duration of chickpea increased into 39–83 % with regard to the control I, and at limits of entering 5,0 and 6,0 l/g – into 13 and 11 %. The duration increased into 69 – 33 % to control I. The highest indexes of plants height and leaf-area duration were recorded in the Panda herbicide application in limits of introduction 4,0 l/g against the processing of seeds before the sowing PGR Stympo (0,025 l/t) and MD Ryzobophyt (1,0 l/t) in particular, in this embodiment, the height of the plants increased by 19%, the leaf area - by 83%


Author(s):  
M. A. Makarchuk ◽  

Chickpeas are a valuable legume and drought-resistant crop. In conditions of climate change, it ensures the formation of a sufficiently high yield, which increases the interest of agricultural producers in growing crops. However, the presence of genetically determined plant protection (pubescence of plants and pod, which contain oxalic, malic and citric acids) from some pests makes it possible to grow environmentally friendly products, which consequently reduces the need to use plant protection chemicals. Field experiments were carried out on the experimental field of the Uman National University of Horticulture in the soil and climatic conditions of the Right Bank Forest-Steppe. To determine the selection value of collection varieties samples of domestic selection were grown. It should be noted that plants react significantly to extreme conditions (temperature and amount of precipitation) of cultivation precisely in the period from gathering to flowering. It is during this period of time that excess moisture leads to shedding of flowers and, as a result, to a decrease in yield. The meteorological conditions for growing crops, which are expressed in the duration of both the growing season as a whole and its individual phases, have a significant effect on the length of the growing season. And so, according to our data, it was revealed that the difference in the duration of the growing season of the studied selection samples in comparison with the standard was small and ranged from 3 to 5 days. The main indicator of adaptability to mechanized harvesting is the attachment height of the lower pod. It depends on the height of the plant itself and the shape of the bush that the culture forms. On the basis of average, it was revealed that the studied selection samples belong to tall plants, while the indicator of the attachment height of the lower pod, the Triumph standard had a high attachment of pod, two samples – moderate, which indicates the possibility of mechanized harvesting, while samples 230 and 210 – low. As a result of comparison of the obtained data on the yield of selection samples, their significant reaction to the growing conditions was revealed. Analysis of the average data helps to specify that the highest yield in the conditions of both 2019 and 2020 was provided by selection samples 180 (morphotype desi), while the lowest yield, but also within the standard, was found in sample 160 (morphotype gulabi)


2018 ◽  
Vol 1 (94) ◽  
pp. 55-61
Author(s):  
R.O. Myalkovsky

Goal. The purpose of the research was to determine the influence of meteorological factors on potato yield in the conditions of the Right Bank Forest-steppe of Ukraine. Methods.Field, analytical and statistical. Results.It was established that among the mid-range varieties Divo stands out with a yield of 42.3 t/ha, Malin white – 39.8 t/ha, and Legend – 37.1 t/ ha. The most favourable weather and climatic conditions for the production of potato tubers were for the Divo 2011 variety with a yield of 45.9 t/ha and 2013 – 45.1 t/ha. For the Legenda variety 2016, the yield of potato tubers is 40.6 t/ha and 2017 – 43.2 t/ha. Malin White 2013 is 41.4 t/ha and 2017 42.1 t/ha. The average varieties of potatoes showed a slightly lower yield on average over the years of research. However, among the varieties is allocated Nadiyna – 40.3 t/ha, Slovyanka – 37.2 t/ ha and Vera 33.8 t/ha. Among the years, the most high-yielding for the Vera variety was 2016 with a yield of 36.6 t/ha and 2017 year – 37.8 t/ha. Varieties Slovyanka and Nadiyna 2011 and 2012 with yields of 42.6 and 44.3 t/ha and 46.5 and 45.3 t/ha, respectively. Characterizing the yield of potato tubers of medium-late varieties over the years of research, there was a decrease in this indicator compared with medium-early and middle-aged varieties. However, the high yield of the varieties of Dar is allocated – 40.0 t/ha, Alladin – 33.6 t/ha and Oxamit 31.3 t/ha. Among the years, the most favourable ones were: for Oxamit and Alladin – 2011 – 33.5 and 36.5 t/ha, and 2017 – 34.1 and 36.4 t/ha, respectively. Favourable years for harvesting varieties were 2011 and 2012 with yields of 45.7 and 45.8 t/ha. Thus, the highest yield of potato tubers on average over the years of studies of medium-early varieties of 41.2-43.3 t / ha were provided by weather conditions of 2011 and 2017 years, medium-ripe varieties 41.0-41.1 - 2012 and 2011, medium- late 37,6-38,5 t / ha - 2012 and 2011, respectively.


2019 ◽  
Vol 15 (S367) ◽  
pp. 402-403
Author(s):  
Natalia Guevara ◽  
Rodrigo F. Haack ◽  
Victoria B. Acosta ◽  
María A. Senn ◽  
Carolina A. Silva ◽  
...  

AbstractThe “Right to the night sky” outreach project holds astronomy workshops for children and teens deprived of their liberty in juvenile detention centers. It is carried out by an interdisciplinary group of students, graduates, and teachers of Astronomy, Geophysics, Educational Science, Law, Psychology, Social Work, and Social Communication. It’s has been accredited and recognized by the Faculty of Astronomical and Geophysical Sciences, and the National University of La Plata (Argentina) since the year 2014. This work presents the diverse activities developed in the project, the methodologies used, and an analysis of how the project evolved, grew, and expanded over time, continuing what has already been presented by Charalambous et al. (2014) and Haack et al. (2019)


2020 ◽  
Vol 28 ◽  
pp. 41
Author(s):  
Ingrid Sverdlick ◽  
Analía Motos

The article presented for this dossier includes an analysis and reflections based on the study: “Training policies and practices for the conduction of state educational institutions at the kindergarten, primary and secondary levels”. This is a research that has been carried out since 2017 in IV Educational Region in Buenos Aires Province (corresponding to Quilmes, Berazategui and Florencio Varela districts), within the framework of the Arturo Jauretche National University, on the policies for the training of directors and their link with school conduction from a historical, political, institutional and experiential perspective. From our point of view, topics concerning school leading, in the sense of school conduction, have long been discussed and recognized as matters of great importance both at the level of school operations and in terms of the application and implementation of educational policies. During the 1990s, the concern for the conduction and administration of education in our country was expressed in a debate that was dominated by the economic tone that is characteristic of neo-liberal policies and their education reform programs. These conceptions, located within a framework of efficiency, administration, and the market, emphasized aspects associated with the ideas of management, and were highly criticized both at that time and subsequently, when educational policy was assumed to be based on the idea of a state guaranteeing the right to education. At the turn of the century (2005-2015), the focus of the issue was placed on school directors as educational conductors and pedagogical agents of institutions, emphasizing the ethical and political responsibility that the managerial function entails. Since the assumption of a new neo-liberal government (2015 and onwards), public policies guaranteeing rights, which were characteristic of the previous period, have been brutally discontinued and the ideas of neo-liberalism have been recovered, introducing some novelties, both in discursive terms, such as the emphasis on emprendedurismo (an incorrect translation of the English term “entrepreneurship”), and in relation to the forms of privatization of teacher training for school authorities with public funds. The different conceptions of the role and function of school conduction undoubtedly refer to a framework of education policy meaning, contextualized in time and space; they also involve different ways of considering the training and qualification of those who occupy or will occupy school authority positions. In this article we will present an analysis of the political and pedagogical meanings displayed at the discursive level of education and training offerings aimed to school conduction teams and also, as a counterpoint, an analytical approach to the discursive and experiential constructions of school directors in their daily realities.


Author(s):  
V. P. Tkach ◽  
O. V. Kobets ◽  
M. G. Rumiantsev

The forest site capacity using was quantitatively assessed for the stands of the main forest-forming species of Ukraine, Scots pine and common oak, taking into account natural zones and forest types. The tables of productivity of modal and highly productive pine and oak stands have been developed. It has been found that the stands use an average of 50–75 % of the forest site capacity of lands. The average weighted value of the capacity used by pine forests was 68–76 % in the Polissya zone, 70–78 % and 68–73 % in the Right-bank and Left-bank Forest-Steppe zones respectively, and 54–78 % in the Steppe zone. For oak stands, the value was 71–75 % and 63–71 % for the Right-bank and Left-bank Forest-Steppe zones respectively and 65–75 % for the Steppe zone. The basis for increasing the productivity of forests was confirmed to be the differentiation of forest management systems and individual forestry activities on a zonal and typological basis.


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