The Influence of a Newly Synthesized Zn (II) and Cu (II) Complexes based on Pyrazole Derivatives on the Inhibition of Phomopsis Viticola Sacc. (Sacc.) under Laboratory Conditions
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Chemical inhibition of Phomopsis cane and leaf spot disease of grapevine (Phomopsis viticola) has an important practical significance, and it is mainly focused on winter season treatment and beginning of vegatation period of grapevine. Its purpose is to reduce infectious effects of the fungus and to prevent primary infections at the beginning of the vegetation process. This research analysed fungicide activity of the newly synthesized Zn(II) complex with 4-acetyl-3(5)-amino-5(3)-methylpyrazole(Pz1) as ligand and Cu(II) complex with 3,5-dimethyl-1-thiocarbox - amidepyrazole(Pz-CS) as ligand on already mentioned pathogenic fungus that causes Phomopsis cane and leaf spot disease. Observed results are compared with fungicide product Cabrio Top (active substance piraclostrobin belongs to pyrazole derivatives).