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National Repository of Grey Literature 1 records found  Search took 0.01 seconds. 
Testování účinnosti vybraných chemických sloučenin a povolených přípravků proti patogenním houbovým organizmům dřevin v podmínkách in vitro
 Jobánková, Terezie
The bachelor thesis deals with the testing of two fungicidal substances (mancozeb and cupric hydroxide) and two chemical compounds (a compound containing selenium nanoparticles and sodium selenite pentahydrate) in activity against fungal pathogens of trees in vitro. The pathogens tested were Heterobasidion root rot (Heterobasidium annosum), Phytophthora cambivora, dutch elm disease Ophiostoma novo-ulmi, and Ash dieback (Hymenoscyphus fraxineus). The solutions were diluted according to application recommendations and added to agar media in a concentration range of 0,5-10%. Heterobasidium annosum stopped most in growth of mankozeb already from 0,5%. Phytophthora cambivora is also most effective at mancozeb, from 1% concentration. Ophiostoma novo-ulmi is the most effective chemical compound containing selenium nanoparticles at concentrations of 8 and 10%. For Hymenoscyphus fraxineus, the most effective substance was mancozeb from a concentration of 4%.
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