Helichrysum Arenarium (L.) Moench
Total Page:16
File Type:pdf, Size:1020Kb
Helichrysum arenarium (L.) Moench Diaspores (mm) Length 0.74 Width 0.25 Thickness 0.12 Photo BP Jasione montana L. Diaspores (mm) Length 0.40 Width 0.15 Thickness 0.08 Photo BP Eryngium planum L. Diaspores (mm) Length 2.20 Width 0.93 Thickness 0.52 photo MJ and BP Counting of germinated seeds Photo MJ Photo MJ Germination capacity Species Community Germination capacity *Allium oleraceum L. Festuco-Brometea 31 Artemisia campestris L. Festuco-Brometea 67 *Centaurea stoebe L. Festuco-Brometea 33 Scabiosa ochroleuca L. Festuco-Brometea 61 Dianthus deltoides L. Diantho-Armerietum 65 Armeria maritima (Mill.) Diantho-Armerietum 27 Willd. Helichrysum arenarium (L.) Corynephorus 31 Moench *Jasione montana L. Corynephorus 23 Eryngium planum L. 64 *with pre-chilling Breeding seedlings from the seeds Photo MJ, BP Dianthus deltoides Armeria maritima Eryngium planum Centaurea stoebe Planting All photo MJ Plant development after planting seedlings in the meadow Artemisia campestris Dianthus deltoides Scabiosa ochroleuca All photo MJ Eryngium planum Centaurea stoebe The state of the populations of planted species during first two years of the vegetation Range Condition Com. Species (cm2) (scale 5o) 2015 2016 2015 2016 F-B Artemisia campestris L. 485 192 4.0 3.1 F-B Centaurea stoebe L. 2421 217 4.6 3.4 F-B Scabiosa ochroleuca L. 360 447 4.5 4.4 D-A Dianthus deltoides L. 637 3500 5.0 4.3 D-A Armeria maritima (Mill.) Willd. - - 2.0 - Eryngium planum L. 576 332 3.5 2.2 - eliminated, * shorter vegetation Summary • In Poland the conservation status of xerothermic grasslands in the general evaluation is still bad, but the area parameter increases. • Among the restoration methods, shrubs and trees cutting is the most commonly used. Grazing and reintroduction are the most effective, but expensive. • The germination capacity of dry grasslands seeds depends on the species and weather conditions during forming and ripening of the seeds. The value of seeds is of great importance for restoration effects by seed sowing. photo MJ .