National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
Možnosti péče a obnovy genofondu rodu Rheum L.
Chaloupková, Veronika
The aim of this diploma thesis was describe and evaluate individual genotypes of genus Rheum L., which are planted on field of Horticulture Faculty MENDELU in Lednice. Descriptors were evaluated with descriptor list, including laboratory examination of content of ascorb acid, oxalic acid, refractometric dry matter, nitrates (NO3), antioxidant capacity (TAC) and dry matter. Purpose of this work is take care of present collection of genotypes and increase its number with additional promising genotypes. Maintenance of gene pool of rhubarb is needed for preservation not just original genetic resources but also for maintaining overall biodiversity.
Beardless irises, their garden groups and breeding in the Czech Republic
Sekerka, Pavel ; Macháčková, Markéta ; Caspers, Zuzana ; Blažek, M.
Article present beardless irises (Apogon) and its organization into groups. It gives worldwide taxonomic overview and it highlights species suitable for growing in the Czech Rep. (Iris sibirica, I. spuria, I. ensata). It also demonstrates hybridization results of Iris spuria done by Mgr. Milan Blažek and other breeding work from the Czech Republic and natural fenotype variability in collected material. Finaly it show changes in EVIGEZ classification chart for genus Iris, to suit all irises - bearded and beardless, too.

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