scholarly journals CLUSTER COMPOSITION OF POLLEN PARTICLES OF ANEMOPHILIC PLANTS ENTERING ATMOSPHERE

2021 ◽  
Vol 4 (2) ◽  
pp. 35-42
Author(s):  
Vladimir V. Golovko ◽  
Galina A. Zueva ◽  
Tatyana I. Kiseleva
Keyword(s):  
Plantago Lanceolata ◽  
Pollen Grains ◽  
Alnus Glutinosa ◽  
Botanical Garden ◽  
Pollen Emission ◽  
Salix Purpurea ◽  
Series Of Experiments ◽  
The Russian Federation ◽  
Carex Flacca ◽  
Urtica Urens

A study is made on pollen emission into atmosphere of 21 species of anemophilous plants ( Betula divaricata Ledeb., Betula costata Trautv., Betula davurica Pall., Betula fruticosa Pall., Ulmus japonica (Rehd.)Sarg., Salix acutifolia Willd., Salix cinerea L., Salix purpurea L., Salix rosmarinifolia L., Alnus glutinosa (L.) Gaertn., Poa alpina L., Arrhenatherum elatius (L.) J. Presl & C. Presl, Briza maxima L., Deschampsia cespitosa (L.) P. Beauv., Urtica urens L., Carex altaica (Gorodkov) V.I. Krecz., Carex pallescens L., Carex flacca Schreb., Carex vesicaria L., Carex diluta M. Bieb., Plantago lanceolata L.), exposed by the Central Siberian Botanical Garden, SB RAS. These plants are widely spread over the territory of the Russian Federation and produce great amounts of allergenic pollen. The proportion of clusters of two or more pollen grains from the total number of pollen particles entering the atmosphere during the flowering periods of these plant species is estimated. It was shown that such clusters in significant quantities were formed in all series of experiments. At the same time, the proportion of pollen grains in their composition could reach 95% of the total number of pollen grains entering the atmosphere.

scholarly journals CLUSTER COMPOSITION OF POLLEN PARTICLES OF ATMOSPHERE UPON BLOOMING OF ANEMOPHILOUS PLANTS

2019 ◽  
Vol 4 (2) ◽  
pp. 181-189
Author(s):  
Vladimir Golovko ◽  
Anastasia Belanova ◽  
Galina Zueva
Keyword(s):  
Panicum Virgatum ◽  
Pollen Grains ◽  
Botanical Garden ◽  
Corylus Avellana ◽  
Morphological Properties ◽  
Pollen Emission ◽  
Panicum Virgatum L ◽  
The Russian Federation ◽  
Betula Pubescens Ehrh ◽  
Corylus Avellana L

A study is made on pollen emission into atmosphere of 12 species of anemophilous plants (Betula fusca Pall. ex Georgi, Betula pubescens Ehrh., Ulmus pumila L., Corylus americana Marsh., Corylus avellana L., Stipa pennata L., Poa nemoralis L., Achnatherum splendens (Trin.) Nevski, Panicum virgatum L., Lolium perenne L., Avena sativa L., Setaria maximowiczii Tzvelev & Prob.), exposed by the Central Siberian Botanical Garden, SB RAS. These plants are widely spread over the territory of the Russian Federation and produce great amounts of allergenic pollen. Estimated is the share of clusters of two and more pollen grains in the total number of pollen particles, entering the atmosphere upon blooming of plants of a given species. It is shown that although the anemophilous plants display morphological properties, that prevent the formation of clusters, substantial number of such clusters is recorded in all experimental series. In this case, the share of pollen grains could exceed 50% of the total number of pollen grains, entering the atmosphere.

scholarly journals Flower-visiting and pollen-carrying arthropods of Leucojum aestivum L. (Amaryllidaceae) in wild, reintroduced and ex situ populations

Plant Ecology ◽  
2021 ◽  
Author(s):  
Livilla Angela Maggi ◽  
Thomas Abeli ◽  
Graziano Rossi ◽  
Mauro Gobbi
Keyword(s):  
Wild Population ◽  
Pollen Grains ◽  
Taxonomic Diversity ◽  
Alnus Glutinosa ◽  
Botanical Garden ◽  
Ex Situ ◽  
Leucojum Aestivum ◽  
Western Asia ◽  
Flower Visiting ◽  
High Level

AbstractLeucojum aestivum L. is a wetland-dependent perennial geophyte occurring in Europe and western Asia. It is self-incompatible, with high level of fruit-set and seed-set. Yet, its pollinators are poorly known. Here, we present the most recent research on potential pollinators of L. aestivum. We collected data on flower-visiting and pollen-carrying arthropods in three populations of the species in the River Po plain (N-Italy), where L. aestivum occurs mainly in forests with Alnus glutinosa and Fraxinus sp. pl. close to rivers. We studied a wild population, a new reintroduced population and an ex situ population located at the Botanical Garden of the University of Pavia. Our study identified 18 arthropod taxa carrying L. aestivum pollen; the soft-winged flower beetle Dasytes plumbeus (Coleoptera: Melyridae) and the sac-spider Clubiona sp. pl. (Araneae: Clubionidae) were the most frequent visitors. Hymenoptera only occasionally visited L. aestivum flowers (e.g. the sweat bee Lasioglossum punctatissimum). D. plumbeus, the long-horned beetle Grammoptera ruficornis (Coleoptera: Cerambycidae), Clubiona sp. pl. and L. punctatissimum resulted in the taxa with the highest average abundance of pollen grains on their body suggesting a potential role in L. aestivum pollination. Differences in flower-visiting and pollen-carrying arthropods were observed between the three populations, with a decreasing taxonomic diversity of visiting species from the wild population to the ex situ population. Our results, based on direct observation in the field, are partially in contrast with a previous study on L. aestivum pollinators that suggested diurnal and nocturnal Lepidoptera and occasionally bees as main pollinators for the species.

scholarly journals Introduction of the species of the genera Cotoneaster Medik. and × Sorbocotoneaster pozdnjakovii Pojark. from the Siberian flora to the Botanical Garden acad. A. V. Fomin of Taras Shevchenko National University of Kiev (message 3 – × Sorbocotoneaster pozd

2021 ◽  
Vol 20 (1) ◽  
pp. 140-146
Author(s):  
A. T. Grevtsova ◽  
T. B. Vakulenko ◽  
N. S. Novischenko
Keyword(s):  
Ex Situ Conservation ◽  
Pollen Grains ◽  
Intergeneric Hybrid ◽  
Ventral Side ◽  
Botanical Garden ◽  
Ex Situ ◽  
Morphological Description ◽  
National University ◽  
Academy Of Sciences ◽  
The City

A spontaneous intergeneric hybrid of Sorbus and Cotoneaster – Pozdnyakov’s sorbocotoneaster (× Sorbocotoneaster pozdnjakovii Pojark.) is an endemic of the South Yakutia. It is known from the river basin Aldan in the areafrom the city of Tommot to the mouth of the river Uchura and on the Aldan-Amga interfluve. It grows in the undergrowthof sparse pine and larch forests on stony-gravelly limestone slopes. It was first found by L. K. Pozdnyakov, a forester,an employee of the Institute of Forest of the Siberian Branch of the USSR Academy of Sciences, on September 9, 1950,when examining forests on permafrost in Yakutia: “in the area of the confluence of the Aya-Sullalah river into Aldan,105–110 km down the Aldan from Tommot” (from the letter of L. K. Pozdnyakov to A. T. Grevtsova, 1982). The article provides data on the origin of the specimens × Sorbocotoneasters, the morphological description of leaves, flowers, fruits,the peculiarities of growth and development in conditions of Kiev, micrographs of pollen grains, micrographs of theendocarp of fruits of three forms, the beginning of the destruction of the scutellum and hypostyle from the ventral side ina hybrid of the third form. Botanical Garden named after acad. A. V. Fomin of the Taras Shevchenko National Universityof Kiev is the only ex situ conservation site in Eastern Europe of the unique Yakut hybrid × Sorbocotoneaster pozdnjakoviiwith leaves of the 1st, 2nd and 3rd forms.

scholarly journals DETERMINATION OF SEDIMENTATION RATES OF THE POLLEN CLUSTERS OF ANEPHILOUS PLANTS GROWING IN THE CSBG SB RAS

2019 ◽  
Vol 4 (2) ◽  
pp. 172-180
Author(s):  
Vladimir Golovko ◽  
Konstantin Khlebus ◽  
Anastasia Belanova
Keyword(s):  
Chenopodium Album ◽  
Pollen Grains ◽  
Sedimentation Rates ◽  
Number Of Clusters ◽  
Salix Caprea ◽  
The Russian Federation ◽  
Plantago Media ◽  
The Individual ◽  
Salix Pentandra

A study is made on the sedimentation of pollen particles of the anemophilous plants of six species (Salix caprea L., Salix pentandra L., Betula davurica Pall., Plantago media L., Chenopodium album L.,Artemisia sieversiana Willd.), growing in the CSBG SB RAS. These species are widely represented in the biocenosis of the Russian Federation and are the producers of substantial amounts of allergenic pollen which can be carried by winds over great territories. It is shown that there is a considerable number of clusters that contain two and more pollen grains. Sedimentation rates are determined of both the individual pollen grains of these plants and their clusters with 2-6 pollen grains. It has been established that the sedimentation rate of clusters depends on the number of the pollen grains contained.

Anther culture of a 2n pollen producing clone of Solanum phureja Juz. &Buk.

1985 ◽  
Vol 27 (5) ◽  
pp. 559-564 ◽  
Author(s):  
R. E. Veilleux ◽  
J. Booze-Daniels ◽  
E. Pehu
Keyword(s):  
Anther Culture ◽  
Polyacrylamide Gel Electrophoresis ◽  
Pollen Grains ◽  
Unreduced Gametes ◽  
Solanum Phureja ◽  
2N Pollen ◽  
Regenerated Plants ◽  
Series Of Experiments ◽  
Pollen Formation ◽  
First And Second Generation

In a series of experiments, a total of 95 plants were regenerated from culture of 1416 anthers of a single genotype (PP5) of Solanum phureja that expressed a variable frequency of 2n pollen by the genetic equivalent of first division restitution. The regenerated plants included 29 monoploids (2n = x = 12), 58 diploids (2n = 2x = 24) and 8 tetraploids (2n = 4x = 48). Monoploids carrying the potential for 2n pollen formation are central to the development of a breeding scheme to construct highly heterozygous diplandroids. Segregation of tuber flesh color and tuber protein bands revealed by polyacrylamide gel electrophoresis in first and second generation anther-derived diploid plants provided evidence for both embryogenesis of 2n pollen as well as doubling of monoploid genomes as sources of anther-derived diploids. Because of variation for the same genetic markers in anther-derived tetraploids, sources other than embryogenesis of doubly restituted (4n) pollen grains were implied. An enhanced response to anther culture was noted in some anther-derived dihaploids.Key words: unreduced gametes, potato, anther culture, diplandroid, monoploid.

scholarly journals Ornamental Representatives of the Genus Centaurea L. as a Pollen Source for Bee Friendly Gardens

2014 ◽  
Vol 58 (2) ◽  
pp. 49-58 ◽  
Author(s):  
Bożena Denisow ◽  
Monika Strzałkowska-Abramek ◽  
Małgorzata Bożek ◽  
Anna Jeżak
Keyword(s):  
Environmental Conditions ◽  
Pollen Grains ◽  
Flowering Phenology ◽  
Botanical Garden ◽  
Pollen Production ◽  
Bumblebee Species ◽  
Se Poland ◽  
High Viability ◽  
Total Pollen ◽  
Frequent Visitor

Abstract The flowering phenology and pollen production of three ornamental Centaurea species were investigated in the years 2009 and 2012-2013. The study objects, Centaurea montana L. = Cyanus montanus (L.) Hill, Centaurea mollis Waldst & Kit, and Centaurea dealbata Willd. were cultivated within an area of the UMCS Botanical Garden in Lublin, Poland (51° 14’ N, 22° 34’ E). Under the environmental conditions of SE Poland, the Centaurea species flowered continuously from mid-May to the first week of June. The mass of pollen in anthers was found to be species-related: 3.70 mg (C. montana), 4.02 mg (C. mollis), and 6.01 mg (C. dealbata) per 100 anthers. The total pollen yield was related to the mass of pollen produced in flowers and the abundance of blooming. Pollen grains were medium-sized, spheroid (C. dealbata) or prolato-spheroid (C. mollis and C. montana) in shape, and characterized by high viability (over 80% on average). The pollen provided by the plants of ornamental Centaurea species amounted to 6.0 - 7.9 g per m2 on average. The honeybee was the most frequent visitor of C. dealbata, accounting for 55.2% of the total pollinators, and bumblebee species predominated on the flowers of both C. montana (77.7%) and C. mollis (85.6%). Solitary bees and dipterans were also observed on the flowers of all species studied, but C. mollis was avoided by lepidopterans. Ornamental Centaurea species provide pollen reserves that could support communities of invertebrate pollinators, although the period of effective supply fluctuates annually due to changeable periods of blooming.

scholarly journals Nectar and Pollen Production and Insect Visitation on Ornamentals from the Genus Hosta Tratt. (Asparagaceae)

2015 ◽  
Vol 59 (2) ◽  
pp. 115-125 ◽  
Author(s):  
Małgorzata Bożek ◽  
Monika Strzałkowska-Abramek ◽  
Bożena Denisow
Keyword(s):  
Pollen Grains ◽  
Polar View ◽  
Shape Index ◽  
Flowering Phenology ◽  
Botanical Garden ◽  
Agricultural Landscapes ◽  
Phenotypic Traits ◽  
Pollen Production ◽  
Insect Visitation ◽  
Perianth Tube

Abstract Properly arranged ornamental gardens in both urban and agricultural landscapes can be of a benefit to bees. In this study, we observed the flowering phenology, nectar, and pollen production of the ornamental Hosta species and varieties (H. sieboldiana Engler, H. capitata Nakai, H. crispula Maekawa, H. fluctuans Maekawa, syn. H. sieboldiana var. fluctuans hort., H. undulata var. univittata Miquel (Hylander), syn. H. univittata). Our experiment was conducted in the 2012 - 2014 time period, at the UMCS Botanical Garden in Lublin, Poland (51° 14’ N, 21° 34’ E). The total sugar yield varied almost 5-fold among Hosta ornamentals; the lowest amount was calculated for H. fluctuans (2.31 g per 10 m2) and the highest for H. capitata (11.80 g per 10 m2). The average pollen yield was from 0.24 g per 10 m2 (H. undulata var. univittata) to 9.53 g per 10 m2 (H. capitata). Pollen grains were bilaterally symmetrical, and large-sized. In polar view, they were prolatum (shape index 1.33 - 1.61), while in equatorial view, oblatum (shape index 0.5 - 0.7). Hosta species can complete the summer pasture mainly for bumblebees. In four of the five Hosta representatives, bumblebees accounted for 60 - 70% of the total visits. The honeybee predominated only on the flowers of H. capitata (54 - 71%). Solitary bees were rarely observed (3 - 9% of visits). The phenotypic traits of Hosta flowers (the accumulation of nectar in the deep and narrow perianth tube) reduced the access to nectar reward and restricted an array of insect visitors.

scholarly journals Fruits of Crataegus submollis Sarg.: morphological and anatomical study

2020 ◽  
Vol 20 (1-2) ◽  
pp. 164-170
Author(s):  
Ilnur Kh. Shaikhutdinov ◽  
Vladimir A. Kurkin ◽  
Vitaly M. Ryzhov ◽  
Lubov V. Tarasenko ◽  
Victoria V. Stenyaeva ◽  
...  
Keyword(s):  
Structural Characteristics ◽  
Anatomical Study ◽  
Botanical Garden ◽  
Fresh Fruit ◽  
Raw Material ◽  
Reflected Light ◽  
Pharmacopoeial Monograph ◽  
Stomatal Apparatus ◽  
The Russian Federation ◽  
Antidepressant Action

Actuality. Fruit of Crataegus L. are successfully used in medicine in the Russian Federation as a source of cardiotonic substances. One of the sources of raw material is Crataegus submollis Sarg., which is cultivated as an edible and ornamental plant everywhere. Previous studies revealed that preparations from fruit of Crataegus submollis Sarg. show diuretic activity and antidepressant action. Therefore, we consider Crataegus submollis Sarg. to be of interest as a new source of medicinal plant raw material, its fruit can be used both fresh and dried. Purpose. The aim of the article is to study the morphological and anatomical features of fresh fruit of Crataegus submollis Sarg. Materials and methods. The material of the study was the fresh and frozen fruit of Crataegus submollis Sarg. collected in September October 2018 in the Botanical garden of Samara University (Samara). The research was carried out by the method of light microscopy in transmitted and reflected light in the light background. Results. Performed analysis allowed to reveal structural characteristics of fruit of Crataegus submollis Sarg. which included cellular structure of the epidermis, lack of stomatal apparatus in epidermis, presence of cortical pores, trichome characteristics, and seed constitution. Conclusion. Our findings allow to develop the section Microscopic Signs of the pharmacopoeial monograph Fresh Fruit of Crataegus submollis Sarg..

scholarly journals Ontogenesis of Pelargonia sidoides (Geraniaceae) under greenhouse conditions

2019 ◽  
Vol 10 (2) ◽  
pp. 159-164
Author(s):  
M. M. Gaidarzhy ◽  
A. V. Holubenko ◽  
N. V. Nuzhyna ◽  
O. A. Futorna ◽  
O. O. Senchylo
Keyword(s):  
Morphological Characteristics ◽  
Pollen Grains ◽  
Botanical Garden ◽  
Red List ◽  
Juvenile Stage ◽  
Reproductive Capacity ◽  
Morphological Description ◽  
Pelargonium Sidoides ◽  
Short Period ◽  
The Family

The article presents the results of the ontogenesis study and complements the morphological description of the valuable medicinal plant Pelargonium sidoides, which is included in the Red List of Plants of South Africa, from the collection of succulents of the O. V. Fomin Botanical Garden. Unlike some species of the Pelargonium genus, which are stem succulents, P. sidoides is a succulent with thickened roots. It has been established that the pregenerative period lasts about 10 months, while the longest is the juvenile stage, during which plants form a large leafy series and begin to form thickened roots. The seedling stage in P. sidoides is much shorter than in many stem succulents with non-succulent leaves. Plants are cross-pollinated, in the conditions of cultivation they form a peduncle longer than in nature, up to 90 cm in length. Flowers are open to 6 days and during this time they undergo three consecutive stages: the opening of the anthers, an asexual pause, readiness of the pistil to be pollinated. Pollen grains are typical for representatives of the Pelargonium genus, but smaller, compared to pollen representatives of other sections. Fruits ripen in a short period 17–25 days, depending on the air temperature. The mericarps of P. sidoides differ in shape, colour and size from the mericarps of representatives of other genera of the Geraniaceae family, but the morphological characteristics of the seeds within the family are similar. The germ is located on the abdominal side of the seed; it occupies almost half of its volume and has clear outlines. According to its morphological features, P. sidoides leaves, as in most other species of the genus, have both mesomorphic and xeromorphic features. Analysis of the data gives ground for characterizing these plants as meso-xerophytes. P. sidoides quickly enters the generative period in the conditions of greenhouse cultivation and has high reproductive capacity.

scholarly journals Bioecological features of rare and endangered plants during introduction in the conditions of the Mangyshlak Experimental Botanical Garden

2021 ◽  
Vol 102 (2) ◽  
pp. 15-22
Author(s):  
Gulnara Gassanova ◽  
◽  
Akzhunis Imanbayeva ◽  
Samal Syrlybekkyzy ◽  
Guldana Shakhaeva ◽  
...  
Keyword(s):  
Botanical Garden ◽  
Life Forms ◽  
Culture Conditions ◽  
Ex Situ ◽  
Similar Data ◽  
Endangered Plants ◽  
Rare And Endangered ◽  
The Russian Federation ◽  
The Republic ◽  
Convallaria Majalis

The paper presents the results of research on the bioecological features of 8 species of herbaceous plants (Ixiliorion tataricum, Convallaria majalis, Ornithogalum fischeranum, Convolvulus persicus, Iris aphylla, Tulipa sogdiana, Tulipa schrenkii, Tulipa biflora), included in the Red Book of the Republic of Kazakhstan (6 species), the Russian Federation (1 species) and the Mangistau region (1 species) when introduced under the conditions of the Mangyshlak Experimental Botanical Garden. Bioecological features of plants, life forms, their biometric indicators, results of phenological observations in conditions ex situ of Mangyshlak experimental botanical garden are given. Of the 8 studied species, 6 are ephemeroids, 2 species are long-growing. All plants go through all phases of vegetation, successfully reproduce by seed and vegetation ways. Morphometric indices of research objects exceed similar data in places of natural growth, which indicates stability in culture conditions. Following the results of the introduction into the culture, a seed fund of rare and endangered plants was laid; the use of species in ornamental gardening of the Mangistau region was proposed.

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