A5045901154- Plant Taxonomy and Phylogenetics
- Botany and Plant Ecology Studies
- Botanical Studies and Applications
- Yeasts and Rust Fungi Studies
- Berry genetics and cultivation research
- Mediterranean and Iberian flora and fauna
- Plant Pathogens and Resistance
- Plant Pathogens and Fungal Diseases
- Chromosomal and Genetic Variations
- Horticultural and Viticultural Research
- Lichen and fungal ecology
- Flowering Plant Growth and Cultivation
- Wildlife Ecology and Conservation
- Rangeland Management and Livestock Ecology
- Rangeland and Wildlife Management
- Botanical Research and Chemistry
- Bryophyte Studies and Records
- Ecology and Vegetation Dynamics Studies
- Plant Ecology and Taxonomy Studies
- Plant and animal studies
- Plant Disease Resistance and Genetics
- Ecology and Conservation Studies
- Plant Reproductive Biology
- Agricultural economics and policies
- Agriculture and Biological Studies
Palacký University Olomouc
2015-2024
Moravian Museum
2023
University of Saskatchewan
2017
Global Institute for Water Security
2017
Landscape Research Institute
2016
Czech Agrifood Research Center
2016
Charles University
2016
Rzeszów University
2013
Cytokinins (CKs) are plant hormones affecting numerous developmental processes. Zeatin and its derivatives the most important group of isoprenoid CKs. occurs as two isomers: while trans-zeatin (transZ) was found to be a bioactive substance, cis-zeatin (cisZ) reported have weak biological impact. Even though cisZ abundant in various materials their role is still unknown. The comprehensive screen land plants presented here suggests that cisZ-type CKs occur ubiquitously kingdom but abundance...
The seventh part of the series on distributions vascular plants in Czech Republic includes grid maps 104 taxa genera Anthriscus, Callitriche, Cochlearia, Dittrichia, Egeria, Elodea, Elymus, Epilobium, Gentianella, Gnaphalium, Gymnocarpium, Hordeum, Hydrocharis, Limonium, Najas, Phleum, Phragmites, Polypodium, Pseudognaphalium, Rubus, Sedum, Senecio, Setaria, Stratiotes, Trichomanes and Woodsia. These were produced by taxonomic experts based examined herbarium specimens, literature field...
Dandelions (genus Taraxacum) comprise a group of sexual diploids and apomictic polyploids with complicated reticular evolution. Apomixis (clonal reproduction through seeds) in this genus is considered to be obligate, therefore represent good model for studying the role asexual microevolutionary processes genera. In our study, total 187 individuals composing set nine microspecies (sampled across wide geographic area Europe) were genotyped six microsatellite loci 162 amplified fragment length...
Rubus subgenus is a group of mostly apomictic and polyploid species with complicated taxonomy history ongoing hybridization. The only series prevailing sexuality the Glandulosi , although Discolores Radula also retain high degree sexuality, which influenced by environmental conditions and/or pollen donors. aim this study to detect sources genetic variability, determine origin taxa validate microsatellite markers cloning sequencing.A total 206 individuals from two central European regions...
Summary Asexual organisms often differ in their geographic distributions from sexual relatives. This phenomenon, termed parthenogenesis, has long been known, but the underlying factors behind its diverse patterns have under dispute. Particularly problematic is an association between asexuality and polyploidy most taxa. Here, we present a new system of parthenogenesis on tetraploid level, promising insights into this complex topic. We used flow cytometric seed screen microsatellite genotyping...
• Background and Aims Polyploidization plays an important role in the evolution of many plant genera, including Koeleria. The knowledge ploidy, chromosome number genome size may enable correct taxonomic treatment when other features are insufficient as Therefore, these characteristics their variability were determined for populations six central European Koeleria taxa.
Abstract Semi-dry grasslands are among the most species-rich plant communities in world, harbouring many specialised and threatened species. Most of these were traditionally maintained by grazing hay-making. After traditional management ended, protected areas established conservation was introduced to protect valuable grassland sites. However, recent changes land use, eutrophication climate warming negatively impacting biodiversity grasslands. In 2022, we resurveyed historical vegetation...
The fifth part of the series on distributions vascular plants in Czech Republic includes grid maps 106 taxa genera Arnica, Carduus, Cicuta, Coleanthus, Comarum, Dactylorhiza, Digitaria, Gagea, Gypsophila, Hieracium, Hydrocotyle, Leersia, Myosurus, Oenanthe, Oreopteris, Paris, Phalaris, Phegopteris, Pilosella, Polystichum, Portulaca, Pulicaria, Salicornia, Saxifraga, Suaeda, Thalictrum, Thelypteris, Tripolium, Utricularia, Veronica and Xeranthemum. These were produced by taxonomic experts...
The Caucasus is a biodiversity hotspot of global significance, containing number highly diverse and species-rich plant taxa. region also thought to be an important evolutionary for Rubus subgenus (brambles). However, Caucasian brambles have only been poorly studied date our knowledge their mechanisms, systematics taxonomic variability remains rudimentary. Therefore, the objectives this study were shed light on evolution, diversity reproduction modes in one two glacial refugia, Colchis. Flow...
Abstract Rubus ser. Glandulosi represents a unique model of geographic parthenogenesis on homoploid (4x) level. We employed double digest restriction-site associated DNA sequencing (ddRADseq) in 587 individuals different taxa and modelling suitable climate to characterize evolutionary phylogeographic patterns shed light the differentiation apomicts sexuals. Six ancestral species were identified that contributed contemporary gene pool R. . While sexuals introgressed from dolichocarpus moschus...
Abstract This study aims at developing and characterizing new microsatellite primer pairs in Taraxacum officinale auct. to produce polymorphic markers for genetical evolutionary studies on apomixis this sexual‐apomictic complex. A total of 24 diploid plants were tested allelic polymorphism heterozygosity. Out nine loci three deviated significantly from the Hardy–Weinberg equilibrium expectations, probably due presence null‐alleles. Successful cross‐species amplification was obtained all 29...
Abstract Aim Apomixis, i.e. asexual reproduction via seeds, occurs in many plant taxa of diverse phylogenetic origins and has resulted a high abundance wide distribution some groups. When where apomicts arose how their evolution is linked to sexual ancestors poorly understood. We aimed at detecting phylogeographical patterns Rubus ulmifolius–R. sanctus agg., diploid species aggregate from series Discolores (Rosaceae), asked when its polyploid apomictic descendants originated. Location Europe...
Abstract Gagea bohemica s.l. is a morphologically and karyologically highly variable group with many similar “narrow” taxa currently considered as single species. It predominantly distributed in Mediterranean warmer parts of temperate belt Europe. The large-scale data on its cytogeography population cytotype structure which could provide basis for taxonomy are lacking, only scattered ploidy have been published from various range. In this study, we sampled 106 populations broader Central...
<em>Rubus bohemo-polonicus</em> Travnicek &amp; Zieliński, a regional species belonging to series <em>Radula</em> (Focke) Focke, is described from the Czech Republic and Poland. It differs closely related (<em>R. radula</em> Weihe, <em>R. salisburgensis</em> Focke ex Caflisch indusiatus</em> Focke) mainly by almost glabrous stems consistently white petals. Illustrations distribution map of new are provided.
Rubus L. is a highly diverse and taxonomically complex genus with worldwide distribution. Although southern Africa not major centre of diversity, number indigenous naturalised taxa have been recorded from the region, although their taxonomy, nomenclature evolution are either confused or poorly studied at best. This paper represents first results wider project focusing on biosystematics African flora, presents taxonomic revision brambles Cape Floristic Region, including an estimation ploidy...
A study of the very complex, from taxonomic point view, <em>Taraxacum</em> genus was undertaken in area between towns Cieszyn and Bielsko-Biała (S Poland). species belonging to three sections: sect. Hamata H. Øllg. (three species), Palustria (H. Lindb.) Dahlst. (one unidentified taxon), Ruderalia Kirschner, et Štěpánek (61 species) were recorded. Nine new Poland found: <em>T. acutifrons</em> Markl., ancistratum</em> Øllg., bellum</em>...