Traits of the pollination process in Gladiolus imbricatus and Iris sibirica (Iridaceae)
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.
Подобные документы
Study of bacterial pathogens of diarrhea. Detection of Escherichia Coli as the most important causes of diarrhea in patients in the city of Damascus. Histlolgical study of the effect of to isolates on the tissues of the on the intestines Syrian hamsters.
статья, добавлен 13.01.2021Изучены тафономические и экологические особенности преимущественно неморской фауны и наземной флоры из двух дельтовых песчаников средней части моспинской свиты (верхняя башкира, нижняя пенсильвания). Показаны ископаемые почвы башкирского яруса Донбасса.
статья, добавлен 21.03.2022Characteristics of semi-winged fauna in semi-aquatic habitats. Familiarity with the main features of the study of semi-winged components (Insects: Heteroptera) of aquatic and near-water habitats of the Meshchera National Park in the Vladimir region.
статья, добавлен 29.08.2021Reptiles - tetrapods and amniotes: a review of the species distribution, the modern classification; economic, aesthetic, symbolic and ecological value for human; functions herpetologist. The evolution of reptiles, physiological systems of their life.
реферат, добавлен 22.05.2013Description of the genus Carbonea. Descriptions of five species of Carbonea from the Carpathians and the Crimean Peninsula (C. aggregantula (Mull. Arg.) Diederich & Triebel, C. assimilis, C. vitellinaria and C. vorticosa), studies of herbarium specimen.
статья, добавлен 28.01.2016Soil as a multiple-factor system with a variety of diverse species of microorganisms and relationships between them. The interactions between populations via metabolites - a crucial condition for maintaining the stability of microbial communities.
статья, добавлен 27.02.2018Methods for assessing biological assets is somewhat problematic: lack of active market prices of similar assets on a certain date to determine fair value, providing of documents and recording of biological assets which are transferred from group to group.
статья, добавлен 09.05.2018Streptomyces albus J1074 is object-chassis for the study of various aspects of the biology of actinobacteria, which is widely used for the study of existing and for the discovery of new natural compounds. A large number of genetic tools have been created.
статья, добавлен 17.07.2022- 84. Исследование кариотипов Simulium vernum species group (Diptera: Simuliidae) в Московской области
Последовательность приготовления морфологических препаратов личинок мошек и препаратов их политенных хромосом. Сравнение последовательности всех 6 хромосомных плеч со стандартными картами, разработанными для группы видов S.vernum Брокхаузом и Хантер.
практическая работа, добавлен 26.04.2019 The search for new natural sources of biologically active substances. The value of the nature of the extractant for the manifestation of biological activity. Study of extracts of Piptoporus betulinus and Fomitopsis pinicola, prospects for their study.
статья, добавлен 14.04.2022Clinical Relevance of Excitatory Amino Acid Neurotoxicity. Implication of Distinct Glutamate Receptor Classes in Excitotoxicity. The Role of Reactive Oxygen Species. Death receptor-Mediated Neuronal Apoptosis. Beneficial Effects of Neuroinflammation.
учебное пособие, добавлен 25.11.2013Consideration kind Podolaspis Zych of three types: podolica Alth, lerichei and zychi. The first description and nomenclature discrepancy delivery Parapteraspis and Mylopteraspis Stensio. Species variability pteraspid - morphology orbitsphere pineal belt.
статья, добавлен 15.04.2014Evolution before Darwin's on the origin of species. Theory of natural selection. Evolution and anti-evolution in interphase. The Rise of fundamentalism and it's opposition to evolution. From equal time to the de-emphasis of evolution in American schools.
книга, добавлен 21.03.2014Finding in the Shatski Lakes 4 species of two families of Calanoida - Diaptomidae and Temoridae: Eudiaptomus gracilis, graciloides, coeruleus and Heterocope appendiculata Sars. New morphological characters of female's and male's V thoracal legs.
статья, добавлен 15.04.2014Exchange of grafts between the frogs in the xenotransplantation experiments. Immunogenetic method of skin transplantation was applied for assessing the variability of hybrids and parental species according to levels of expressed histocompatability.
статья, добавлен 02.12.2017General characteristics and history of the golden snub-nosed monkey studies, areas of their habitat. Features appearance and food preferences of these animals, the nature of relationships within the group. The history of formation of the species name.
презентация, добавлен 15.12.2013Forming of hydrobiota of the river systems in the territory of Ukraine in view of history of hydrographic net. Biological and biomechanical principles of the controlling molluscs. Assessing the risks of aquatic species invasions via inland waterways.
статья, добавлен 21.03.2022The physical, chemical traits of plant components used to impart functional properties to restructured meat products. An analysis of a number of sources of scientific literature has shown that for the manufacture of functional restructured meat products.
статья, добавлен 18.12.2023Description of algicolous fungi Collemopsidium kostikovii, its special characteristics. Narrow outlet, association with soil cyanobacteria - as the main difference between a new species of mushroom from C. Iocarpum, the similarity of their structure.
статья, добавлен 20.07.2018Risk factors of generation of oxidative stress. The main characteristics of oxidative stress in biological systems. The most known and usable non-enzymatic antioxidants. Correlation found between ROS, parameters of oxidative stress and pathology.
статья, добавлен 21.04.2020- 96. Gametogenesis
Concept of gametogenesis, meiosis, spermatogenesis and oogenesis. Gametogenesis in mammals. Structure of the gametes. Sperm, egg and flagella structure. Sperm capacitation and egg cytoplasm. Egg maturation at the time of fertilization in various species.
презентация, добавлен 26.02.2013 - 97. The emergence time and flight routes used by lesser horseshoe bats of radziechowy colony (Poland)
Lesser horseshoe bats are strongly attached to their roosting places; are considered sedentary species, avoiding long-distance migrations. In Poland, their range is limited to mountainous areas, where they prefer overgrown mountain streams for feeding.
статья, добавлен 23.06.2022 Finding rare in Ukraine anamorphic fungi Discosia circaeae Lobik on Circaea intermedia Ehrh. and Robillarda vitis Prill. et Delacr. on Parthenocissus quinquefolia (L.) Planch. Description morphological characteristics, geographical distribution, taxonomy.
статья, добавлен 29.11.2016- 99. Biological analysis of water bodies function of bioindicators in assessment of environment quality
Assigning water body (from which plankton sample was taken) to given saprobic zone. Focuses on possibility to use biota for monitoring of environment quality. Analysis and examine fields of view and counting individuals representing particular species.
контрольная работа, добавлен 16.07.2017 The main compounds of the Н. arenarium essential oil were oleic acid, ethyl hexadecanoate, sclareol. The extracts showed a high level of total phenolic content, which make the studied plant species as a potential source of natural antioxidant or a source.
статья, добавлен 10.06.2022