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Stanovení produkce semen a jejich klíčivosti u vybraných plevelných druhů z čeledi Asteraceae

By Marcela Pohanková


The aim of this diploma thesis "The determination of the production of seeds and their germination for selected species from the weedy family Asteraceae" is to find out the production of seeds and their germination of two selected weedy species from the family Asteraceae, depending on the location. The following were selected: Creeping Thistle (Cirsium arvense) and Wormwood (Artemisia vulgaris). Seed collection was done at seven locations with different habitat conditions (unmaintained hayfield, recultivated rubbish, garden, grass vegetation with grazing breeding of cattle, permanent grass vegetation, grasslands on arable land, forest land, other road, other area). After reviewing the available literature is discussed the biology and control of weeds and their significance. Furthermore is also characterized the family Asteraceae and selected representatives of this family . Subsequently is characterized the territory of interest. In addition is discussed the problematics of germination and seed production for Creeping Thistle (Cirsium arvense) and Wormwood (Artemisia vulgaris) depending on their habitats. The overall average HTS of Wormwood was 0.08 g, the average germination was 79%. The total average seed production of Creeping Thistle was 1 299 seeds, one plant had an average of 23 flowers and one flower had 51 seeds. Due to the very low number of sprouted seeds of this weed the germination parameter cannot be statistically evaluated

Topics: artemisia vulgaris; pelyněk černobýl; klíčivost; produkce semen; cirsium arvense; pcháč oset
Year: 2015
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