Anatomical and morphological changes of plant pollen of species of the genus Pinus L. under the influence of pests and diseases
The study of variability of the morphology of pollen grains of the genus Pinus. Differences in the total amount of abnormal pollen under the influence of pests and pathogens of different nature. The possibility of diagnosing of biotic influence on plants.
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.
??????, добавлен 28.09.2023The use of disease and pest resistant species in landscape design contributes to the effectiveness of green plantings. For this purpose, the pests Berberis L. and control measures in the dry subtropical climate of the Absheron Peninsula were studied.
??????, добавлен 14.02.2025Research to refine the classification of the genus Camellia based on morphological characteristics and molecular biological methods. Characteristics of fruits and leaves, their use for species classification and elucidation of the taxonomic position.
??????, добавлен 08.02.2022Distribution 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.
??????, добавлен 29.01.2016The genus Cedrela in Ecuador has four species. Currently, three species of Cedrela are included in the IUCN Red List. C. odorata and C. nebulosa are listed as vulnerable species and C. fissilis as endangered species. In spite of their status and priority.
??????, добавлен 28.09.2021The biomorphoecological characteristics, comparative phytochemical composition, distribution, pharmacological effects, and the possibility of use in scientific and folk medicine of species belonging to the genus Satureja L. of the genus Lamiaceae Lind.
??????, добавлен 24.02.2025Conservation of biodiversity is one of the most important problems of our time. As we know, the plant world is important in human life. There are many important plants in the flora of Azerbaijan. Among them, ornamental plants occupy a special place.
??????, добавлен 03.09.2024Morphological features and distribution of S. paulsenii, its related species. Substantiation of the possibility of the species to become an invasive weed. Changes in the taxonomy and nomenclature of representatives of the genus Salsola sensu lato.
??????, добавлен 20.07.2018Influence 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.
??????, добавлен 29.01.2017Botanical characteristics of the thyme genus. Analysis of widespread wild essential oil species of Thymus L. in Ukraine, chemical composition. Study of the content of carotenoids and chlorophylls in the reproductive period of the grass Thymus L.
??????, добавлен 04.09.2024The study of the flora of the mountainous belt of Azerbaijan. Researches of the habitats of gentians. Peculiarities of the growth of the genus Gentiana. G. in Absheron district. Analysis of the activities of the Herbarium Fund of the Institute of Botany.
??????, добавлен 04.09.2024The development of diagnostic females Mordellid Beetles of the genus Stenalia Mulsant with the new species-specific trait outer morphology - female pygidium. General characteristics of the range of data beetles - in Central and Eastern Palearctic.
??????, добавлен 15.04.2014Study of the genus Campanula, widespread in the northern hemisphere and of importance for the flora of the Caucasus. Comparison of the history of the study of the genus, its geographical distribution, and taxa found in the flora of Karabakh and Zangezur.
??????, добавлен 04.09.2024Study 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.
??????, добавлен 01.12.2017The morphological, anatomical and phytochemical studies of Parthenocissus quinquefolia leaves, creation of a project of a monograph on the studied medicinal plant material. The main diagnostic anatomical features of Parthenocissus quinquefolia leaves.
??????, добавлен 10.10.2024Assessment of the anti-inflammatory ability of rowan plants by the degree of inhibition of thermal denaturation of albumin by plant leaf extracts in comparison with the effect of synthetic drug diclofenac. Criterion for selecting the best plant material.
??????, добавлен 19.03.2024Study of the nature of ultrastructural restructuring of the components of the spinal cord under the influence of physical activity of average aerobic power. The response of the cellular component of the spinal cord, which depends on the type of neurons.
??????, добавлен 02.11.2020The 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.
??????, добавлен 10.01.2013The effect of presowing soaking of seeds in solutions of 24-epibrassinolide on the productivity of millet plants and their resistance to high temperature. Analysis of the increase in the thermoresistance of leaves of adult plants grown in the field.
??????, добавлен 30.10.2016The study of perennial grasses and shrubs growing on the territory of Azerbaijan. Researchof representatives of the Asteraceae family, characteristic of main species. Systematic analysis of the genus Cirsium Mill. in the flora in regions of the country.
??????, добавлен 10.10.2024Judolia Mulsant is a small Holarctic genus, the range of which covers Europe, North and East Asia and North America. Within the range there are several centers of diversification, to which species characterized by morphological differences are confined.
??????, добавлен 10.10.2024- 22. The morpho-anatomical study of Solidago virgaurea L. species from the flora of Republic of Moldova
The goldenrod - the plant has been use in the medicine of European countries as a diuretic and antiflogistic remedy. Macroscopic characters of Solidaginis virgaureae herba. Morphological characteristics of goldenrod leaf from different localities.
??????, добавлен 28.05.2021 Analysis of the influence of soil microelements on the concentration of flavonoids in medicinal plant raw materials. Activation of biological processes in plants to increase or decrease the concentration, in particular, rutin in Tanacetum Vulgare.
??????, добавлен 14.12.2024Analysis conducted on bioecological features of Salsola species which are distributed in desert phytocoenosis of Mil plain of Kur-Aras lowland were given. It was also found that an anthropogenic impact in this area leads to desertification of landscapes.
??????, добавлен 20.09.2024??????????????? ?????? 98 ???????? ???? Pinus L., ?????????????? ?? ?????????? ??????, ??????????? ?? 38 ??????????????? ?????????. ????????? ??????????? ??????????? ??????? ???????? Pinus L. ???????? ????????????? ? ??????????????? ?????????????.
??????, добавлен 21.06.2018