Intensity Of Photosynthesis Research Articles

СОХРАНЕНИЕ ДЕКОРАТИВНЫХ КАЧЕСТВ СРЕЗКИ РОЗЫ (ROSA HYBRIDA)

The purpose of this work was to study the post-harvest physiology of cut roses (R. hybrida). The objects of study were the most popular varieties in floristics: Magady, Vendella, Red Naomi, First Red, Grandgala. Studies were carried out in the autumn-winter periods of 2016- 2018 on leafy flowering shoots in laboratory with natural diffused light at an air temperature of 18-20 °C. Sampling was carried out at the stages of half-release, complete dissolution, the beginning and completion of the aging of flowers. The study in the gas exchange dynamics of cut rose flower shoots using the infrared gas analyzer LI — COR 6400RX showed a decrease in the intensity of photosynthesis and maintaining a high level of transpiration intensity and stomatal conduction of the leaf with the development and aging of the flower. The high intensity of transpiration and the large leafiness of the shoot make it difficult to maintain water status, accelerate aging and the loss of the decorative qualities of the flower. Pulsating treatment with silver thiosulfate (4 mM AgNO3: 32 mM NaS2O3) was used as inhibitor of ethylene synthesis, and 1 μl L–1 1-methylcyclopropene (1- MCP) was inhibitor of ethylene sensitivity. The results of the use of the inhibitor method allow us to conclude that ethylene is involved in the regulation of only the final stages of flower aging in roses. As trigger of the aging process can be the threshold effect of one or several gradual biochemical processes associated with the mobilization of nutrients. Visible signs of aging are preceded by impaired membrane stability. The commercial drug Chrysal does not ensure the natural development of the flower, but only slightly retards wilting. The growing conditions and storage of cut roses should ensure the active functioning of the stomatal apparatus, preventing water stress in the post-harvest period. Its consequence consists not only in the loss of turgidity of the petals, but also in accelerating aging due to the accumulation of ethylene.

Effect of diesel fuel film on green algae Ulva lactuca L. and Ulvaria obscura (Kützing) Gayral ex Bliding of the Barents Sea

The effect of the film of diesel on green algae Ulva lactuca L. and Ulvaria obscura (Kützing) Gayral ex Bliding of the Barents Sea was studied. The Ulvaria obscura is widespread, the Ulva lactuca in recent years there has been a significant increase in the number and biomass in the area. The short-term (in the period of one tidal cycle) effect of the diesel fuel film on the physiological state of two species of green algae, and define the strength of adhesion of the film of diesel to the surface of the thallus were determined. Short-term exposure of algae by film of diesel in a period of one tidal cycle (1) reduced the rate of evaporation, (2) decreased the intensity of photosynthesis, (3) caused plasmolysis of the cells, especially in U. lactuca, (4) affected the development of spores and gametes and caused they mortality. The film of diesel adhered firmly to the algae surface and did not wash off even after 15 cycles. The data obtained indicate the danger of even a single spill of diesel into the littoral. In General, the damage to the population will depend on the stage of algae development and the duration of exposure.

THE EFFECT OF FUNGAL ACTIVITY ON PHOTOSYNTHETIC PARAMETERS OF DIFFERENT CANNA CULTIVARS UNDER FIELD CONDITIONS

Three-year studies (2014–2016) were conducted in Lublin in the south-east Poland. The objects of research were the plants of ten canna cultivars: ‘Aida’, ‘America’, ‘Botanica’, ‘Cherry Red’, ‘La Boheme’, ‘Lucifer’, ‘Picasso’, ‘Robert Kemp’, ‘President’ and ‘Wyoming’. Observations were carried out each year in October. Plants with symptoms of stem and root rot, leaves yellowing and wilt were noticed on the investigated plantations. The plants were studied with regard to photosynthetic activity and also by disease index for all cultivars and statistical analysis was carried out upon them. The effect of disease index on photosynthetic intensity and transpiration was determined after the calculation of Pearson’s correlation coefficient. Infected plants were collected for mycological analysis. The results of mycological analysis showed that canna plants were colonized by Fusarium spp., Sclerotinia spp. and Alternaria spp. Alternaria alternata, Fusarium oxysporum, Fusarium avenaceum and Sclerotinia sclerotiorum predominated among pathogenic species. The best health status and the lowest number of colonies were noticed for plants of cv. ‘Botanica’. The infection of canna leaves by pathogenic fungi has negatively affected the intensity of photosynthesis, transpiration, stomatal conductance and sub-stomatal CO2 concentration and it was largely related to the degree of infestation of specified varieties of canna. The photosynthesis process was limited especially in ‘La Boheme’, ‘Picasso’, ‘Cherry Red’ and ‘President’ cultivars, which were infected most frequently by pathogenic fungi. It was confirmed by negative Pearson’s coefficient.

Effects of Calcium Chloride Treatment on the Photosynthetic Capacity and Intensity of Banana Fruit during Ripening

The general objective of this work was to highlight the physiological phenomenon of photosynthesis that underlies ripening in banana fruits and to follow its bioindicators evolution. To achieve this goal, pigment content, protein content and the amount of oxygen released were determined at different stages of ripening of bananas fruits. The determination of pigment content was carried out by spectrophotometric assay after extraction in pure acetone. Protein content was determined using a known albumin concentration calibration curve. Moreover, photosynthetic intensity was evaluated by measuring the oxygen released by the banana peels by means of an oximeter. Results showed that there was a gradual decrease in pigment levels, while at the same time there were increases in carotenoid and protein levels. Photosynthetic intensity and capacity also decreased significantly. The treatment of bananas with calcium chloride helped to slow the fall of photosynthetic activity. Also, calcium chloride treatment induced a reduction of the decrease in chlorophyll content, photosynthetic intensity and increase in proteins content. Positive correlations were found between photosynthetic intensity and levels of chlorophyll a and total chlorophylls. The intensity of photosynthesis was negatively correlated with carotenoid and protein levels. The change in photosynthetic intensity during ripening was proportional to the variation in chlorophyll a and total chlorophylls content, but inversely proportional to variations in total carotenoids and proteins contents.

Studying the Dependence of the Toxic Effect on the Time of the Toxicant's Contact with the Algae Culture

Relevance. The intensity of photosynthesis is the most common toxicity test when using algae as test objects. All methods for determining photosynthesis are based on measuring the rate of oxygen evolution or absorption of carbon dioxide in an incubation medium before and after a certain exposure of algae culture to light. Purpose. Determination of threshold concentrations of toxic substances for this method and study of the dependence of the type of dose-value of the toxic effect. Results. Toxicity bioassay by evaluating the photosynthetic activity of algae is possible only for wastewater with acute toxicity. A direct dependency between the magnitude of the toxic effect and the duration of contact of algae with toxicants is observed for about an hour. A further increase in the contact time almost does not increase the toxic effect. Conclusions. By increasing the contact time of algae with toxicants, it is possible to significantly increase the sensitivity of the method and, possibly, use it to evaluate low-toxic wastewater. However, for the final conclusions about the limits of sensitivity of the method, and, therefore, about the scope of its application, additional studies are needed.

Regularities of Primary Production Formation in River Ecosystems (the Basins of the Pripyat' and Teterev Rivers, Ukraine)

The formation of phytoplankton primary production in the rivers of the Pripyat' and Teterev basins differing in their morphometric characteristics, hydrochemical regime, and trophic status has been studied for the first time. The obtained results suggest that the tributaries of the Pripyat' and Teterev rivers significantly differ in the intensity of primary production, which is determined by phytoplankton biomass, by the total content of nitrogen and phosphorus in the water, and also by the influence of such abiotic factors as solar radiation and water temperature. Relationship was established between the intensity of photosynthesis and water transparency and dissolved oxygen content. At the same time, the intensity of photosynthesis depended inversely on water coloration. This fact suggests that the processes of production in watercourses of the Pripyat' and Teterev basins significantly influence environmental conditions, including light and gas regimes.

The impact of drought on the physiological characteristics of half-sib lines of Turkey oak (Quercus cerris L.)

Two half-sib lines of Turkey oak (Quercus cerris L.) (C1 and C2) were subjected to different treatments in semi-controlled conditions: optimal soil moisture - control (K), drought followed by recovery after the restoration of the optimal soil moisture (T1) and the treatment of constant drought (T2). Changes in the physiological parameters related to the process of photosynthesis were examined in correlation with the applied treatments. Treatment T2 was influenced to a significant reduction in the intensity of photosynthesis, stomatal conductance and instantaneous water use efficiency, as well as to a significant increase in the intercellular CO2 concentration in both half-sib lines. In relation to control, treatment T2 did not lead to a significant variation in the maximum photochemical efficiency in the examined half-sib lines. In treatment T1, the second half-sib line (C2) showed better ability to recover the intensity of photosynthesis and stomatal conductance after re-watering, while using the same treatment before recovery, water was used more efficiently compared to the first half-sib line (C1). The results of the study indicate specific adaptive predispositions of the examined half-sib lines in relation to drought stress and recovery.

A Low-Frequency Photoacoustic Spectrometer with an RGB Light-Emitting Diode for Evaluating Photosynthetic Activity in Plant Leaves

A photoacoustic spectrometer based on a three-colored light-emitting diode (with peak emission wavelengths of 465, 525, and 640 nm) designed to determine the intensity of photosynthesis in different deep layers of plant leaves is described. The physical properties of the photoacoustic signal were studied at different wavelengths and light modulation frequencies. It was shown that the proposed spectrometer can be employed for quantitative evaluation of heat dissipation and photochemical assimilation of the absorbed light energy in this medium.

Вплив екологізованих систем удобрення на вміст сухої речовини у зерні залежно від інтенсивності фотосинтезу й відтоку асимілятів з листків пшениці озимої

Вплив екологізованих систем удобрення на вміст сухої речовини у зерні залежно від інтенсивності фотосинтезу й відтоку асимілятів з листків пшениці озимої

Dynamics of penguin population size and food availability at Prydz Bay, East Antarctica, during the last millennium: A solar control

The paleoecology of the Adélie penguin (Pygoscelis adeliae) is controlled by multiple factors. In this study, we analyzed two millennial-scale ornithogenic sediment cores, RNL and RL, from the Vestfold Hills, East Antarctica. Using the Al-normalized phosphorus content of the bulk sediment and carbon/nitrogen fractions in penguin remains, we reconstructed relative changes in the penguin population size of each sub-colony and relative krill abundance in the summer Prydz Bay polynya. Both records are correlated to solar irradiance. At the centennial scale, the penguin population recorded in core RNL decreased from ~1120–860 yr BP, reached a peak from ~860–630 yr BP, remained at a low level from ~630–320 yr BP, and then increased with large fluctuations during the past ~400 years. These changes are all in-phase with the trend of solar irradiance. At the decadal scale, penguin population minima correspond to solar minima from ~490–400 yr BP (Spörer minimum), ~290–220 yr BP (Maunder minimum), and from ~160–120 yr BP (Dalton minimum; whereas population maxima correspond to solar maxima from ~1030–980 yr BP, ~350–290 yr BP, ~210–160 yr BP, ~120–70 yr BP. The population recorded in core RL exhibited the same changes as in RNL during the last 480 years. The reconstructed krill abundance also corresponds to these trends when data are available. This correspondence demonstrates a food-chain mechanism that is related to solar activity and light availability at the ocean surface, which influence the intensity of photosynthesis and phytoplankton productivity, and thus the abundance of krill and apex predators such as penguins. Our findings highlight the fact that despite the various climatic impacts on penguin populations, their effects on the base of the food chain are usually the direct drive.

The impact of phytosanitary treatments in the soil with signs of fatigue on the growth of apple seedlings and populations of bacteria and fungi

The object of research was the soil from an orchard after 27 years of apple cultivation, showing signs of fatigue re-sulting in weaker growth of apple seedlings planted into it, and the soil sampled on the same farm, but not used for growing fruit trees. The physicochemical properties of both soils did not differ significantly. In sick soil, no pathogens of fungal or fungi-like origin were found, and the number of nematodes was below the threshold of economic threat. There is a suspicion that abiotic fac-tors could be responsible for soil fatigue. It has been demonstra-ted that the cultivation of spring and winter wheat, triticale and white mustard before planting apple ‘Antonovka’ seedlings, had a positive impact on their growth. The best effect was obtained after the cultivation of white mustard or after the introduction of mustard seed meal into the soil, which was also confirmed by measurements of the intensity of apple seedlings photosynthesis. The cultivation of these phytosanitary plants or the addition of mustard seed meal positively influenced the biological potential of the soil expressed by a significant increase in the population of bacteria from the genera Pseudomonas and Bacillus. There was also a very large increase in the number of Trichoderma spp. fun-gi after the addition of mustard seed meal into the soil and winter wheat cultivation.

The Resistance of Phleum pratense and Elytrigia repens to High Concentrations of Zinc

The influence of increased zinc concentrations on seed germination, growth activity, photosynthetic apparatus, and water metabolism in two perennial grasses (Phleum pratense L. and Elytrigia repens (L.) Nevski) was studied in laboratory and vegetation experiments to assess plant metal tolerance. In laboratory conditions it was established that seeds of both species may germinate in a wide range of zinc concentrations. In vegetation experiments, the possibility of successful growth and accumulation of biomass of both grasses in the presence of high zinc concentration in the root medium was revealed. At the same time, high water contents in root and shoot tissues were maintained, as well as the necessary intensity of photosynthesis (due to maintenance of the efficiency of photosystem II and the amount of carotenoids). It was noted that the established high resistance of both species of grasses to zinc, as well as their ability to accumulate significant amounts of metal ions in the roots, indicates that P. pratense and E. repens may be used for phytoremediation of soils contaminated with zinc.

ДИНАМІКА НАКОПИЧЕННЯ СИРОЇ ТА СУХОЇ НАДЗЕМНОЇ БІОМАСИ РОСЛИНАМИ КУКУРУДЗИ В УМОВАХ ЗРОШЕННЯ ПІВДЕННОГО СТЕПУ УКРАЇНИ

The article presents the results of field research with corn hybrids of different groups of maturity for growing them under conditions of irrigation of the Southern Steppe of Ukraine. An important aspect of the use in the production of maize hybrids is the definition and application of optimal parameters of cultivation technology. In the complex of agrotechnical measures that influence the accumulation of crude mass and the growth of dry matter by plants of hybrids of maize of different groups of maturation, the important place belongs to the terms of sowing and the density of plant standing together with the use of irrigation. The accumulation of raw mass is a function of the process of assimilation, determines the productivity of plants, and, accordingly, its economic value. The intensity and duration of the formation of dry matter to a large extent depend on the growth of plants in height, their biological characteristics and the energy of photosynthetic potential. The dry substance, to a greater or lesser extent, consists of spare substances that are produced by plants and used by them as their need for energy. Observation of the growth of green mass is an indicator that reflects the productivity of photosynthesis and the accumulation of assimilation products in plants. With the intensity of growth processes accelerates the formation of the assimilation surface, increases the photosynthetic activity of plants, and therefore their potential yield increases. Therefore, the study of the effect of spatial placement of plants on the area due to the timing of sowing and the density of plant standing on the formation of the leaf surface, the intensity and productivity of photosynthesis and the accumulation of dry matter in hybrids of maize hybrids of different groups of ripeness under conditions of irrigation of the Southern Steppe of Ukraine is relevant and important in evaluation of the obtained crop, depending on the factors taken into consideration. The purpose of the research was to determine the dynamics of the accumulation of over ground mass of corn plants of different groups of ripeness, depending on the time of sowing, hybrid composition and density in conditions of irrigation of the Southern Steppe of Ukraine. The task of the study was to determine the influence of the investigated factors on the dynamics of the accumulation of raw matter and dry matter of maize plants, as well as the parameters of the dispersion, variation and correlation-regression analysis of experimental data. The field experiment, based on the split plot method, was carried out in four-time repetition with the placement of sites in a rendering in accordance with the methodology of conducting field research on the improvement of the elements of agronomic techniques for the cultivation of agricultural crops. In the experiment, hybrids of corn were studied - Tendra, Skadovsky, Kakhovsky; sowing dates – ІІ decade of April, ІІІ decade of April, І decade of May; The density of standing – 70, 80, 90 thousand pieces/ha. Agrotechnics Growing hybrids of maize of different groups of ripeness under irrigation conditions is common for the Southern Steppe of Ukraine, in addition to the factors that were put into study. The research used general sciences (analysis, synthesis, observation, comparison, measurement), special (field, laboratory), mathematical, statistical, and computational and comparative methods. On average, for the 2014-2016 biennium, the maximum wet mass index is set at the milk millet ripeness stage in the medium-old Kakhovsky hybrid crop - 51.39 t / ha for sowing in the III decade of April and a density of 70 thousand pcs / ha. The largest amount of dry matter had plants of the Kakhovsky hybrid during the period of physiological maturation of grain - the value of this indicator, depending on the variants of the experiment, varied within the limits of 21,57-25,18 t/ha. Key words: corn, irrigation, sowing terms, hybrids, standing density, crude mass, dry matter

Photorespiration: Its Role in the Productive Process and Evolution of С4 Plants

The review surveys the modern concepts of photorespiration, its role in the productive process, redox-regulation, and integration of energy-transforming processes of the photosynthesizing cell and, also, in evolution of C4 plants. Special attention is given to methods to explore photorespiration. Principal strategies that are aimed at improvements in photosynthesis intensity and in plant growth by manipulations with photorespiration based on up-to-date technologies are considered.

Role of Photorespiration and Cyclic Electron Transport in C4 Photosynthesis Evolution in the C3–C4 Intermediate Species Sedobassia sedoides

Plants from two Sedobassia sedoides (Pall.) Aschers populations (Makan and Valitovo) (Chenopodiaceae) with C2 photosynthesis (precursor of C4 photosynthesis in phylogenesis) and photorespiratory CO2-concentrating mechanism were studied. Genetic polymorphism and isotope discrimination (δ13С) levels of the plants were determined under natural conditions, and their morpho-physiological parameters such as fresh and dry biomass of the above ground parts of plants, functioning of photosystem I (PSI) and photosystem II (PSII), intensity of net photosynthesis (A), transpiration (E), photorespiration and water use efficiency (WUE) of plants were calculated under control and salinine conditions (0 and 200 mM NaCl). Results of the population-genetic analysis showed that the Makan population is polymorphic (plastic) and the Valitovo population is monomorphic (narrowly specialized). There were no significant differences between the populations based on δ13С values or growth parameters, PSII, A, E and WUE under control conditions. Under saline conditions, dry biomass accumulation decreased in the Makan population by 15% and by more than 2- fold in the Valitovo population. Population differences were revealed in terms of photorespiration intensity and P700 oxidation kinetics under control and saline conditions. Under control conditions, Makan plants were characterized by a higher photorespiration intensity, which decreased by 2-fold under saline conditions to the photorespiration level of Valitovo plants. Cyclic electron transport activity was minimal in the control Makan plants, and it increased by almost 2-fold under saline conditions to the level of that in Valitovo plants under control and saline conditions. Under control conditions, photosynthesis in Makan plants can be specified as the proto-Kranz type (transitional type from C3 to C2) and that in Valitovo plants can be specified as the C2 type (C4 photosynthesis with photorespiratory CO2-concentrating mechanism), based on their photorespiration level and cyclic electron transport activity. Under saline conditions, Makan plants exhibited features of C2 photosynthesis. Intraspecific functional differences of photosynthesis were revealed in different populations of intermediate C3–C4 plant species S. sedoides which reflect the initial stages of formation of a photorespiratory CO2-concentrating mechanism during C4 photosynthesis evolution, accompanied by decrease in salt tolerance.

МОДИФІКАЦІЯ МОДЕЛІ ВПЛИВУ КЛІМАТИЧНИХ ФАКТОРІВ НА ФОТОСИНТЕЗ СОСНИ В УМОВАХ ПІВДНЯ УКРАЇНИ

The article describes the method of calculation of plant vegetation photosynthesis and its modification to the spikes in the South of Ukraine. The object of the study is the Tsyurupinsk forest-hunting farm, which is located in the Kherson region, on the Nizhnedneprovsky sands. Artificial forest in the Steppe zone of Ukraine is of interest as a factor influencing the climate of this area. The subject of the study is pine needles, which is dominant. The place of simulation is determined as the driving force behind the development of science. The existing modeling methods that are most often used in practice are described. Existing models of calculation of photosynthesis are presented and the second is specified сonsidered what are the models based and what results can be obtained for their use. Component of the method of calculation of vegetation photosynthesis, developed by Polevoy A. M, is demonstrated. The proposed method is implemented in Fortran language using standard agrometeorological information. The data can be used both for a single station and average characteristics for areas, regions and soil - climatic zones. The blocks of data necessary to calculate the intensity of photosynthesis are shown. The data necessary for the implementation of this model is drawn up. The modification of the method to the studs, which were chosen as the object of research, is described. For the subject of research, the pinholes of studs are chosen, because it is a productive assimilation apparatus. The calculations of this modification are shown in the form of tables. They allow us to see the influencing agrometeorological factors and the area, growth, photosynthesis of the research subject. The results of the simulation are presented separately for the Crimean pine and for the common pine. The average of the decade's effective temperature for this region of the study varied from 3,3 to 12,2 °C. The sum of effective temperatures with an increasing amount during the growing season of the needle increased from 36,3 to 517,5 °C. The average per decade intensity of the FAR over the shoots for both types of hairpins varied from 0,25 to 0,33 cal/cm2 min. For the decade, the intensity of the FAR in the shoots of the Crimean pine needles was from 0,12 to 0,5 cal/cm2, while in the pine usual 0,17-0,09 cal/cm2 min. The results of the calculation of the area, photosynthesis and growth of the needle pin are different. The area of the Crimean pine needles varies from 2,3 to 5 mm2, and the pine is usual from 0,9 to 2 mm2 during the first six decades. The difference in the area of the needles of the studied studs is 3 mm2. The intensity of photosynthesis under optimal conditions on the temperature and humidity of the soil for both studs is 1,2 СО2/dm2 h. The intensity of photosynthesis in the field conditions in the Crimean pine grows during the first three decades from 0,1 to 0,3 СО2/dm2 h., аnd in the pine common from 0,1 to 0,2 СО2/dm2 h. during the first four decades. Photosynthesis of shoots per day differs by 0,7 g/m2. The height of this indicator is observed during the first three decades: in the Crimean pine from 0,2 to 1,2 g/m2, and in the pine common from 0,1 to 0,5 g/m2. The indicator of the growth of the total mass of shoots for a decade in the Crimean pine increases from 2,1 to 8,8 g/m2, and in the pine usual from 0,8 to 3,5 g/m2. The growth of the Crimean pine needles is 5,3g/m2 larger. An analysis is made of the results obtained in the modification of the model for the calculation of photosynthesis. A conclusion is made on the success of the modification of the method for calculating vegetation photosynthesis to the hairpin.

ОПТИМАЛЬНЫЕ И ОГРАНИЧИВАЮЩИЕ УСЛОВИЯ ФАКТОРОВ ВНЕШНЕЙ СРЕДЫ И ИХ ВЛИЯНИЕ НА ИНТЕНСИВНОСТЬ ВИДИМОГО ФОТОСИНТЕЗА PRUNUS LAUROCERASUS L. В УСЛОВИЯХ ЮБК

ОПТИМАЛЬНЫЕ И ОГРАНИЧИВАЮЩИЕ УСЛОВИЯ ФАКТОРОВ ВНЕШНЕЙ СРЕДЫ И ИХ ВЛИЯНИЕ НА ИНТЕНСИВНОСТЬ ВИДИМОГО ФОТОСИНТЕЗА PRUNUS LAUROCERASUS L. В УСЛОВИЯХ ЮБК

Influence of salinity (NaCl) on the photosynthetic pigments content of some sweet sorghum varieties

Identification and introduction of crops into the production that are sufficiently adapted to drought and salinization of soils capable of providing high productivity with limited water consumption is becoming increasingly important currently, and in particular in prospect under the circumstances of aggravating of climate aridization and desertification processes in the Central Asian region. These requirements are met by sorghum, the main economic features of which are universality of use, exceptional heat,- drought,- and salt tolerance, as well as high productivity. The article presents the results of studying the effect of a saline nutrient medium on the content of photosynthetic pigments in some varieties of sweet sorghum to identify the most resistant varieties to chloride salinity. It was shown that the concentration of a and b chlorophylls, as well as carotinoids in leaves decreases with increasing NaCl concentration. The content of photosynthetic pigments under conditions of salinity was higher in resistant varieties than in unstable varieties. The quantitative content of photosynthetic pigments affects the intensity and productivity of photosynthesis which determines the yield of agricultural crops.

Лісова екосистема півдня України та інтенсивність фотосинтезу шпилькових

Лісова екосистема півдня України та інтенсивність фотосинтезу шпилькових

Перетворення борної кислоти з гідроксилвмісними сполуками в твердофазній системі

Boron is one of the major microelements for normal growth, vital functions, and reproduction of plants. Plants require Boron during all life, because it participates in the regulation of the growth of reproductive organs, in the transport of carbohydrates, in particular sugars, synthesis of cellular walls, increases intensity of photosynthesis, improves a carbohydrate, nucleic and protein exchange, activates enzymes function, positively influences on the processes of fission. The deficit of boron leads not only to the decreasing of agricultural crops but also to the impairment of its quality. It is considered, that in soils and plants boron migration is going in the form of (BO)4–3-, anion, which is going from boron soluble form of boron-containing manures. There is shown that the plants' boron assimilation goes better with a presence in boron-containing compounds carbohydrate residues, alcohols, or when boron is a part of complex anions. For the improvement and providing of desirable properties of manures, the new boron-containing compounds are synthesized. Nowadays the most prevailing new age boron-containing manure is borateanolamine. It has high solubility and high total content of boron. As we suppose, Boron is contained in manures in more completely plants-assimilated form. Boric acid has well-expressed ability to create complexes with diol groups, which are in cis-positions. Carbohydrates, higher alcohols, phenols and some hydroxyl-containing compounds belong to groups with the cis-position order. However, boric complexes with those compounds are low stable. For researching those transformations there is important to study the influence of the reaction terms to the boric acid ability to create complex anions with hydroxyl-containing compounds. During the reaction of boric acid and hydroxyl-containing compounds in the solid-phase system the complex chemical transformations go, when different intermediate compounds are appearing and disappearing. They cannot be selected or revealed by ordinary chemical methods because of instability and a short time of existence. We used the method of IR spectroscopy for identifying such intermediate compounds, in order to establish regularities in reactions. We tested pill samples of compounds in the ratio 1 mg of substance to 200 mg of KBr. IR spectres were registered by spectrometer Perkin Elmer Spectrum one FT-IR Spectrometer (300-4000 см-1). As we compare IR spectres of the original compound and boric acid, we can see a sharp decrease (reduction) of the absorption graph intensities. They correspond to O-H oscillations in boric acid (3212, 2265, 1198, 1471 та 1414 см-1). Thus, we may assume weak interaction of boric acid and D-manit, with creating complex ion, when we rub the compound with room temperature. The comparative analysis of IR spectres of products from (I series of experiments) and (II series of experiments) shows that the process of the reaction of boric acid and D-sorbit goes with some differences. Based on the apparition of absorption graph on 952 см-1 in a product (I series of experiments), we may say that at these terms the reaction with boric acid and D-sorbit goes through the intermediate formation of four-coordinated boron complex. As we see at (II series of experiments), there is no such absorption graph in IR spectre. That may say about another type of boric acid transformation. Using IR spectroscopy we may see than boric acid differs in processes of transformations with hydroxyl-containing compounds in the solid-phase system in different condition. Using IR spectroscopy we may ostend that creating the reaction of the complex ingredient in the solid-phase system is observing already at room temperature. Using IR spectroscopy proved, that on the formation of an intermediate complex ingredient is affected the molar ratio of reagents. Interaction reaction of boric acid and hydroxyl-containing compounds normally happened in an aqueous solution with sulfuric acid as a catalyst. Molecular mobility in solution is high, so the probability of clashing of diol groups in cis-positions is quite high. In case of the solid-phase system, molecular mobility is limited. The large surface allocation and half-homogenization of compound obstruct the molecular interaction. Instead, increasing temperatures accelerate the reaction, and evaporation of water essentially shifts the balance of the reaction to the creation of the final (end) product. Reagents of the investigated reaction systems have low melting temperatures, so increasing temperatures leads to a softening of compounds and smelting of reagents. In fact, the interaction is in the melt, where interphases borders are missing, and molecular mobility increases. So, the availability of using the solid-phase system for synthesis of boron-organic esters is shown there. Establishment of boron-containing compounds structure requires successive research.