scholarly journals Особливості функціонування донорно-акцепторної системи маку олійного за дії трептолему в зв’язку з продуктивністю культури

2018 ◽  
Vol 8 (1) ◽  
pp. 11-20 ◽  
Author(s):  
V. G. Kuryata ◽  
S. V. Polyvanyi
Keyword(s):  
Crop Yields ◽  
Morphological Changes ◽  
Morphological Structure ◽  
Nonstructural Carbohydrates ◽  
Practical Result ◽  
Vegetative Organs ◽  
Growth Stimulator ◽  
Treated Plant ◽  
Phosphorus And Potassium ◽  
Source Sink

<p>We studied the action of synthetic growth stimulator (treptolem) on the morphogenesis, leaf mesostructure, redistribution of assimilates, and nutrients between organs of oil poppy (<em>Papaver somniferum</em> <em>L.</em>) in ontogenesis, productivity and structure of crop. Optimization of production process of oil poppy under the influence of growth stimulator is realized through the source-sink relation system of the plant. Obtained results testify the essential role of morphological and mesostructural components in regulation of source-sink relation system of oil poppy. Appplcation of treptolem’s growth stimulating contributed the formation of more powerful donor sphere and increased the number and mass of leaves, the area of leaf surface and the leaf index. It was found that the reason of such morphological changes caused significant increase in branching of the stem by the action of treatment. The intensification of donor function poppy plants by treptolem also occurred as a result of mesostructural changes in the leaves. Treptolem application induced formation of a more powerful layer of chlorenchymes - the main photosynthetic tissues of plant, linear sizes of chlorenchymal cells and chlorophylls content increased in them. In that case, the intensification of growth processes at the beginning of vegetation under the influence of preparation led to forme a more powerful donor potential of the plant per unit of cenosis area, which created prerequisites to increase the productivity of culture. It was found that the consequence of such changes was an increase of the content of nonstructural carbohydrates (sugar + starch) in vegetative organs of treated variant in compared with the control of intense growth. Treatment showed apparent branching of the stems, that induced a larger number of flowers and fruitcases were laid an increase of acceptor capacity of plant. The result of these changes was determined by more intensive flow of nonstructural carbohydrates on the formation and growth of fruits in the variant with treptolem. In the flowering phase in the roots and leaves of plants, it was observed the highest content of nitrogen that during the formation and growth of the fruit was remobilized on the carpogenesis process. At the same time, the more intensively use of nitrogen by the vegetative organs of the poppy plants to form the fruitcases was in the variant with treptolem. It was noted the lower levels of phosphorus in the leaves and potassium in the vegetative organs of oil poppy in the variant of treptolem treated plant. It testifies that preparation treatment contributed to the more intensive reutilisation of nitrogen, phosphorus, and potassium compounds in fruit formation. The intensified flow of assimilates and nitrogen-containing compounds together with nutrients to a greater number of implanted fruits provided the growth of crop yields (by increase in the number of cases, the mass of seeds in case, and the mass of a single seed). It is confirmed that there is negative correlation between accumulation of oil and content of nitrogen. It was established that application of treptolem increased the content of unsaturated higher fatty acids in oil poppy. An important practical result of the research should be considered that treptolem treatment increased the content of alkaloids in the seeds of poppy plants, which could e useful in pharmacological industry. We proved that treptolem application during the budding period on the poppy seed leads to increase the yield of crop due to optimized morphological structure of plant, the mesosurface structure of leaf; it is also increased the potential trapping due to the laying and formation of a greater number of fruits.</p>

scholarly journals Features of morphogenesis, accumulation and redistribution of assimilate and nitrogen containing compounds in tomatoes under retardants treatment

2018 ◽  
Vol 8 (1) ◽  
pp. 356-362 ◽  
Author(s):  
V. G. Kuryata ◽  
O. O. Kravets
Keyword(s):  
Morphological Changes ◽  
Crop Productivity ◽  
Tomato Crop ◽  
Tomato Plants ◽  
Vegetative Organs ◽  
Palisade And Spongy Parenchyma ◽  
Source Sink ◽  
Sphere Formation ◽  
Nitrogen Containing Compounds

<p>We studied the influence of ethylene product Esphon® and triazole derivative Folicur® on the morphogenesis and productivity of tomatoes. The obtained results explained the significant role of morphological and mesostructural components of “source-sink” relation system of tomatoes in the formation of crop productivity. We established that the Folicur application resulted in more significant anatomical and morphological changes in the formation of leaf apparatus in comparison with the ethylene producer: the measurement of number, weight, area of leaf surface, and leaf index were higher in this variant of experiment. We also noted the appropriate changes in the mesostructure measurement of leaves: thickness of leave – main photosynthetic tissue of chlorenchyma, assimilatory cells size of palisade and spongy parenchyma. Analysis of depositing possibilities of plants vegetative organs at the fruitification stage indicates the importance of temporary postponement of nonstructural carbohydrates and nitrogen containing compounds in them followed by reutilization for carpogenesis needs. Application of Folicur resulted on the formation of a more powerful donor sphere and in the early fruit growth and formation stages are postponed more carbohydrates in vegetative organs of tomato plants compared to control. The content of sugars and starch in the roots, stems and leaves of plants under Folicur treatment was highest in all organs of the plant throughout the fruitification phase compared to control and variant with Esphon application. Our results also testify to the possibilities of nitrogen compounds remobilize from vegetative organs to carpogenesis needs. After Folicur treatment, the most intense decrease in the content of nitrogen containing compounds was observed during the transition from the fruit formation stage to green fruits stage in roots and stem of plant during the period of the most intense tomatoes growth. We concluded that a significant increase the yield of tomato crop was caused by the more powerful donor sphere formation and reutilization of assimilates and nitrogen containing compounds after Folicur application.</p>

scholarly journals Morphological alterations in the heart and aorta of rats treated with glucocorticoids

2015 ◽  
Vol 32 (04) ◽  
pp. 231-235
Author(s):  
R. Dantas ◽  
K. Souza ◽  
D. Santos ◽  
V. Feitosa ◽  
E. Fioretto ◽  
...  
Keyword(s):  
Wistar Rats ◽  
Histological Analysis ◽  
Saline Solution ◽  
Morphological Changes ◽  
Morphological Structure ◽  
Control Group ◽  
Morphological Alterations ◽  
Heart Chamber ◽  
Male Wistar Rats ◽  
Synthetic Glucocorticoid

Abstract Introduction: The objective of this study was to analyze the morphological structure of the heart and aorta of rats treated with the synthetic glucocorticoid dexamethasone. Material and Methods: Male Wistar rats were divided into two groups: 08 control rats undergoing treatment with a 0.9% saline solution for 10 days and 08 rats treated for 10 days with dexamethasone (2mg/kg animal weight). Results: Histological analysis detected a mild cardiac hypertrophy and 15% reduction of collagen located in the aorta of animals treated with glucocorticoid when compared to the control group. Conclusion: We conclude that treatment with dexamethasone for a period of 10 consecutive days is able to promote morphological changes in the structure of the heart chamber and, impair morphological structure of aorta.

scholarly journals Features of the morphological structure of the placenta in pregnant women with preeclampsia

2021 ◽  
pp. 10-15
Author(s):  
Volodymyr I. Chermak ◽  
Ihor I. Chermak ◽  
Chukwuanyinonso O. Ikeotuonye ◽  
Anatolii Ya. Senchuk
Keyword(s):  
Risk Factors ◽  
Pregnant Women ◽  
High Frequency ◽  
Morphological Changes ◽  
Morphological Structure ◽  
Morphological Features ◽  
Placental Insufficiency ◽  
Control Group ◽  
Basic Group ◽  
Adaptive Reactions

To study morphological features of the placenta in women in labor, pregnancy which complicated by preeclampsia we studied 26 placentae, of which 17 were from pregnant women with mild to moderate preeclampsia (basic group) and 9 from healthy women (control group). Histologically the study was conducted with methodically recommendations of T.D. Zadorozhnaya et al. for light microscopy. During the study of morphological features of the placenta in women in labor with preeclampsia were installed morphological changes in the placenta, which reflect a tendency to develop compensatory-adaptive reactions following their stress and exhaustion, which is a sign of placental insufficiency. Received data allow claiming a high frequency of development placental insufficiency in pregnant women with risk factors such as chronic salpingo-oophoritis, anemia, late preeclampsia, and inflammation diseases kidney.

EVALUATION OF THE INFLUENCE OF MICROWAVE RADIATION OF MICROWAVE OVENS ON WATER AS A SUBSTRATUM FOR PLANT GROWTH

2016 ◽  
Author(s):  
Vadim Mamienko ◽  
Ingrida Chemerys
Keyword(s):  
Microwave Radiation ◽  
Growth Parameters ◽  
Morphological Changes ◽  
Test Group ◽  
Environmental Risks ◽  
Onion Plant ◽  
Clear Trend ◽  
Vegetative Organs ◽  
Living Organisms ◽  
Test Objects

To date, there is research carried out on the effects of electromagnetic radiation on living organisms, studies are conducted on substratums that were subjected to microwave radiation. This radiation comes from a common household appliance; however, the effect of this type of radiation on the vitality of organisms is poorly researched. The purpose of the current analysis is to identify the morphological changes in vegetative organs of the test objects using microwave-irradiated water as a substrate. The object of the study – the onion plant (Allium сера L.), which is perfect for objectifying environmental risks. The results showed that using the water warmed up in a microwave increased the level of oppression in the morphometric parameters. In particular, there was a clear trend of reduction of growth parameters of vegetative organs and decrease in their mass (in the test group compared to the the main one the length of the root and shoot of a plant are less than 20.5% and 27.5%, and the weight is 32.3% and 63.8% less, respectively). The correlation analysis showed that the root length is the most reliable morphometric indicator that reacts sensitively to changes in water quality caused by microwave irradiation (r = –0.9995).

Solvent, LICL, and Temperature Effects on the Morphological Structure and Electronic Properties of Polyaniline

1995 ◽  
Vol 413 ◽  
Author(s):  
Marie Angelopoulos ◽  
Yun-Hsin Liao ◽  
Bruce Furman ◽  
Teresita Graham
Keyword(s):  
Hydrogen Bonding ◽  
Surface Structure ◽  
Morphological Changes ◽  
Base Material ◽  
Morphological Structure ◽  
Gel Permeation Chromatography ◽  
The Individual ◽  
High Degree ◽  
Pani Base ◽  
Different Levels

ABSTRACTExtensive gel permeation chromatography coupled with surface structure measurements clearly indicate that polyaniline (pani) base has a tendency to aggregate as a result of interchain hydrogen-bonding. The aggregation is present in the solid state powder; the extent of aggregation is found to be significantly dependent on the synthetic conditions. Pani base powders having a high degree of aggregation have significantly reduced solubility. The degree of aggregation of pani base in solution is found to be dependent on the solvent, concentration, and temperature. As the solvent becomes a better solvent for the base material, the less aggregated is the structure. Solvents which can strongly interact with the polymer disrupt the aggregation. In addition, salts such as LiCl which complex the polymer via a “pseudo-doping” process, also disrupt the internal pani hydrogen-bonding and deaggregate the polymer. As the polymer is deaggregated to different levels by a solvent or by LiCl, the individual chains can better be solvated and thus a conformational change also occurs. The chains adapt a more expanded coil type of conformation. The degree of expansion depends on the solvation power of the solvent. As the level of deaggregation and subsequent chain expansion increases, a significant red shift is observed in the λmaximum of the exciton absorbance and the surface structure of the polymer becomes smoother. It is found that the LiCl induced morphological changes results in increased conductivity upon doping pani base with a protonic acid.

scholarly journals Revealing the True Morphological Structure of Macroporous Soft Hydrogels for Tissue Engineering

2020 ◽  
Vol 10 (19) ◽  
pp. 6672
Author(s):  
Bohumila Podhorská ◽  
Miroslav Vetrík ◽  
Eva Chylíková-Krumbholcová ◽  
Lucie Kománková ◽  
Niloufar Rashedi Banafshehvaragh ◽  
...  
Keyword(s):  
Sodium Chloride ◽  
Pore Size ◽  
Laser Scanning ◽  
Morphological Changes ◽  
3D Structure ◽  
Morphological Structure ◽  
Laser Scanning Confocal Microscopy ◽  
Future Application ◽  
Sem Images ◽  
Hydrogel Scaffolds

(1) Background: Macroporous hydrogel scaffolds based on poly [N-(2-hydroxypropyl) methacrylamide] are one of the widely studied biocompatible materials for tissue reparation and regeneration. This study investigated the morphological changes during hydrogel characterization which can significantly influence their future application. (2) Methods: Three types of macroporous soft hydrogels differing in pore size were prepared. The macroporosity was achieved by the addition of sacrificial template particles of sodium chloride of various sizes (0–30, 30–50, and 50–90 µm) to the polymerizing mixture. The 3D structure of the hydrogels was then investigated by scanning electron microscopy (SEM) and laser scanning confocal microscopy (LSCM). The SEM was performed with specimens rapidly frozen to various temperatures, while non-frozen gels were visualized with LSCM. (3 and 4) Results and Conclusion: In comparison to LSCM, the SEM images revealed a significant alteration in the mean pore size and appearance of newly formed multiple connections between the pores, depending on the freezing conditions. Additionally, after freezing for SEM, the gel matrix between the pores and the fine pores collapsed. LSCM visualization aided the understanding of the dynamics of pore generation using sodium chloride, providing the direct observation of hydrogel scaffolds with the growing cells. Moreover, the reconstructed confocal z-stacks were a promising tool to quantify the swollen hydrogel volume reconstruction which is not possible with SEM.

The insulin effects on the morphological structure of the kidneys in wistar rats

2015 ◽  
Vol 9 (2) ◽  
pp. 0-0
Author(s):  
Макишева ◽  
R. Makisheva ◽  
Субботина ◽  
Tatyana Subbotina
Keyword(s):  
Negative Impact ◽  
Morphological Changes ◽  
Venous Blood ◽  
Morphological Structure ◽  
Renal Parenchyma ◽  
Venous Congestion ◽  
Control Group ◽  
Insulin Effect ◽  
Hydropic Degeneration ◽  
White Rats

The study of morphological changes in the kidneys of white rats after intramuscular injection of insulin at a dose of 1 IU/kg of body weight was carried out. The insulin effect was amplified using stress models of immobilization and swimming. Blood samples from tail vein of rats were taken to confirm the action of insulin. At autopsy, the authors conducted the fence venous blood flowing from the kidneys. Comparison with a control group showed that morphological changes in the renal parenchyma were formed after the insulin introduction and characterized by venous congestion in the microvasculature, ischemic changes in the renal parenchyma with areas of hemorrhage, thickening of the basement membrane, expansion of tubules, hydropic degeneration of the epithelium, hypertrophy and enlargement of the loops of the glomeruli. Measurement of glucose in venous blood flowing from the kidneys revealed hyperglycemia. The morphological changes in the tissues of the kidney indicate the development of venous congestion, glomerular hyperfiltration and hypovolemia, hypertension, glycosuria, glycosylation membranes, the deposition of glycogen in the epithelium of kidney tubules, microalbuminuria. The obtained results allow to draw attention to the fact that among the factors of damage during the development of diabetic nephropa-thy, a hyperinsulinemia may have a negative impact

scholarly journals Phenomenon in the Evolution of Voles (Mammalia, Rodentia, Arvicolidae)

2017 ◽  
Vol 51 (2) ◽  
pp. 99-110 ◽  
Author(s):  
L. I. Rekovets ◽  
O. M. Kovalchuk
Keyword(s):  
Morphological Changes ◽  
Parallel Evolution ◽  
Morphological Structure ◽  
Morphological Differentiation ◽  
High Rate ◽  
Current State ◽  
Wide Range ◽  
The Family ◽  
Tooth Type ◽  
Masticatory Apparatus

Abstract This paper presents analytical results of the study of adaptatiogenesis within the family Arvicolidae (Mammalia, Rodentia) based of morphological changes of the most functional characters of their masticatory apparatus — dental system — through time. The main directions of the morphological differentiation in parallel evolution of the arvicolid tooth type within the Cricetidae and Arvicolidae during late Miocene and Pliocene were identified and substantiated. It is shown that such unique morphological structure as the arvicolid tooth type has provided a relatively high rate of evolution of voles and a wide range of their adaptive radiation, as well as has determined their taxonomic and ecological diversity. The optimality of the current state of this group and evaluation of evolutionary prospects of Arvicolidae were presented and substantiated here as a phenomenon in their evolution.

scholarly journals The Active Imperfect of the verbs of the ‘2nd Conjugation’ in the Peloponnesian Varieties of Modern Greek

2003 ◽  
Vol 4 (1) ◽  
pp. 3-43 ◽  
Author(s):  
Nikolaos Pantelidis
Keyword(s):  
Early Modern ◽  
Morphological Changes ◽  
Morphological Structure ◽  
Point Of View ◽  
Phonological Process ◽  
Modern Greek ◽  
Different Types ◽  
Traditional Grammar ◽  
Aspectual Markers ◽  
Important Evidence

AbstractThe present paper treats the different types of formation and the inflectional patterns of the active imperfect of the verbs that in traditional grammar are known as verbs of the ‘2nd conjugation’ in the Peloponnesian varieties of Modern Greek (except Tsakonian and Maniot), mainly from a diachronic point of view. A reconstruction of the processes that led to the current situation is attempted and directions for further possible changes are suggested. The diachrony of the morphology of the imperfect of the ‘2nd conjugation’ in the Peloponnesian varieties involves developments such as morphologization of a phonological process and the evolution of number-oriented allomorphy at the level of aspectual markers, while at the same time offering interesting insights into the mechanisms and scope of morphological changes and the morphological structure of the Modern Greek verb. These developments can also offer important evidence for the process of dialectal differentiation of Medieval/‘Early Modern’ Greek.

scholarly journals OPTIMIZATION OF THE SUNFLOWER FERTILIZATION SYSTEM BASED ON THE USE OF MODERN MICROBIOLOGICAL FERTILIZERS

2020 ◽  
pp. 65-75
Author(s):  
Viacheslav Tsyhanskyi
Keyword(s):  
Food System ◽  
Crop Yields ◽  
Mineral Elements ◽  
Biological Origin ◽  
Action Mechanisms ◽  
Leaf Surface Area ◽  
Phosphorus And Potassium ◽  
Increasing Demand ◽  
New Perspective ◽  
Sowing Seed

In current conditions of agricultural production with intensive technologies of growing crops, fertilizer is one of the most expensive elements of agricultural machinery, as experienced agricultural experts say that the food system should be optimized. In recent years, biological preparations of various action mechanisms are in increasing demand among farmers. Particular attention is paid to mycorrhizal biopreparations, one of which is "Mykofriend" and preparations based on phosphorus and potassium mobilizing bacteria "Groundfix". Preparations stimulate the development of beneficial soil microorganisms, help preserve and increase soil fertility, activate its suppression against phytopathogens, improve productivity in crop yields, including sunflower. This article presents important aspects of the technology of growing sunflower with a variety of applications of biological origin, which optimize the process of plant nutrition through better use of mineral elements and improve growth processes. New perspective biological preparations, manufactured by BTU Center, for pre-sowing seed treatment and soil application were studied. It was found out that the treatment of seeds with mycorrhizal drug Mycofriend with the rate of 4 l / t and when applying pre-sowing cultivation of biological fertilizer Graunfix at a rate of 8 l / ha contributed to the formation of the best conditions for plant growth and development, and as a consequence of the best productivity parameters. In this variant, the maximum plant height of 189.3 cm, leaf surface area of 30.9 thousand m2 / ha (flowering phase), dry matter yield in the ripening phase of 5.28 t / ha, basket diameter of 23.1 cm, weight of 1000 seeds is 49.6 g and seed yield is 2.84 t / ha.

Sign in / Sign up

Export Citation Format

Share Document