The viability of pollen in some species of Berberis L. in Absheron conditions
Study of the viability of pollen in trees and shrubs under conditions of introduction, determining factors of plant adaptation to new conditions. Determination of the viability of Berberis L. pollen. The meridional and equatorial diameters of the pollen.
Подобные документы
Study of self-pollination of two species of flora – Gladiolus imbricatus and Iris sibirica (Iridaceae). Pollination by autogenous pollen grains on the last day of flowering. Lack of a mechanism for autonomous pollen transfer within the merantium.
статья, добавлен 28.09.2023Stages of cultivation of multipotent stem cells derived from the neural crest in 3D collagen and fibrin hydrogels. Cell viability and growth. The conditions for the effective use of the results obtained for the development of the nervous system.
статья, добавлен 28.09.2016Kalistefus Chinese as one of the priorities in the introduction of the flower-decorative plant in Ukraine, consideration of the main features. General characteristics of the most favorable agrotechnical methods for growing asters in various conditions.
статья, добавлен 28.04.2020Describes the alteration of succinite under conditions of hypergenesis as result of oxidation, including a change in colour, contraction of the outer surface. The main factors influencing resistance of succinite under hypergene conditions are described.
статья, добавлен 11.07.2023The studying of chromosome associations in M1 of pollen mother celles in the hybrids between the lines with each other and with recurrent common wheat genotype Avrora were compared with the data of the line assessment for the morphological markers.
статья, добавлен 10.01.2013Study of model species of herbaceous and shrubby plants. Determination of the main indicators of generative reproduction of clonal-forming plants of the grass and shrub layer and their dependence on the plant species and ecological and cenotic factors.
статья, добавлен 01.12.2017Study of spores and pollen as a floral group used for dissection and correlation of sedimentary sections. The main tool for dismemberment and correlation of sediments based on palinological data. Palinozone Vestispora costata-Knoxisporites polygonalis.
статья, добавлен 10.11.2021Вивчення особливостей насіннєвого та вегетативного способів розмноження видів роду Berberis L. Оцінка регенераційної здатності живців за впливу регуляторів росту на ступінь укорінення. Зазначення видів з високим, середнім та низьким ступенем укорінення.
статья, добавлен 29.09.2016- 9. Determination of xanthones in plants and the nutrient medium under in vitro cultivation conditions
Xanthone, their biological activity: anti- carcinogenic, antiviral, antibacterial, antioxidant, anti-inflammatory etc. Dodifications of the method for determining the content of xanthones in material and nutrient medium to the in vitro conditions.
статья, добавлен 20.09.2020 Influence of brassinosteroids on the alternative way of respiration and antioxidant systems of plants. Polarographic study of regulation of production of ROS in conditions of optimal and abiotic stress. Evaluation of the activity of antioxidant systems.
статья, добавлен 29.01.2017Визначено особливості органогенезу та онтогенезу 29 видів роду Berberis L. у культурі (Чернівецька обл.), виявлено відмінності у проходженні окремих вікових періодів розвитку та загальну тривалість онтогенезу. Специфічні особливості сезонного розвитку.
статья, добавлен 13.05.2020The leaves of hoary plantain plants from the sites with different light levels did not significantly differ in their hydrogen peroxide concentrations. Our data the environmental conditions and the light intensity fine-tune the operation in plant leaves.
статья, добавлен 14.04.2022Study of the variability of the hardness of ordinary black soil on a regular grid. Ecomorphic analysis of vegetation in each polygon cell. The ecological content of the division of soil areas into clusters. Ecomorphs - a form of adaptation of vegetation.
статья, добавлен 09.11.2020Evaluation and analysis of relative degree of drought resistance by water content of tissue. Assessment of relative drought resistance by water-holding capacity of leaves genus momordica (cucurbitaceae) introduced under the conditions of Belgorod region.
статья, добавлен 29.11.2016Distribution of rhabdoviruses, their harmfulness to different types of plants in conditions of environmental factors. Comparative characteristics of rhabdoviruses with similar pathogens on the pileate fungi. The morphology and structure of the pathogens.
статья, добавлен 29.01.2016Cumulation of biochemical substances in the organs of varieties and forms of Miscanthus Anderss in the conditions of the National Botanical Garden. The appearance of dry matter in the period of full seed maturity in plant material of Miscanthus genotype.
статья, добавлен 11.09.2022Features of the separation and study of strains of microorganisms, associative to a particular species of plant. The ability of a strain to colonize the plant depending on the place of his selection, the development of plants with inoculated seeds.
статья, добавлен 29.01.2016The effect of folic acid on the processes viability, organogenesis, development of the whole organism flies. Morphometric analysis of its impact on first generation hybrids in damage to the wing type "cutting" and the changes of embryonic mortality.
статья, добавлен 27.07.2016The discovery of new localities of nine species listed in the Red Book of Ukraine, and six regionally rare plant species during expeditionary research on the territory of Volyn region in 2013. The necessity for research phytodiversity Volyn region.
статья, добавлен 27.07.2016Exemplary systems for studying of three-dimensional growth and differentiation in vitro. Spheroid formation in spinner flasks. Spheroid formation on agar overlay. Formation of multicellular aggregates under different conditions of microenvironment.
статья, добавлен 28.09.2012Obtaining the culture of neural network multipotent stem cells (NC-MSCs) under the new cultivation conditions and studying their biological properties. The order of using the following methods: directed multi-level differentiation, CFU analysis.
статья, добавлен 29.01.2017Regularities of changes in the fractional-group composition of humus of sod-podzolic soil under the influence of various fertilizer systems in the conditions of Western Polesie. Favorable conditions for the accumulation of humus in the arable soil layer.
статья, добавлен 29.06.2022Identification of new ichnospecies of different geological ages together with images of tracks of unknown animals. Technological approaches that allow determining the conditions of the geological past and are used in the search for oil and gas deposits.
статья, добавлен 11.07.2023Characterization of the elements of the technology of growing common sedge by establishing the optimal area of plant nutrition, the dose of the main application of mineral fertilizers. Use of the seedling method of reproduction on drip irrigation.
статья, добавлен 14.07.2022Processes limiting evolution physiological characteristics. The genetic potential of people to culture. The combination of ecological functionalism and classical model of genetics. Conditions for the adaptation of the genetic and cultural evolution.
статья, добавлен 11.08.2013