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Lignans Extract from Knotwood of Norway Spruce-A Possible New Weapon against GTDs
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SYSNO ASEP 0557269 Druh ASEP J - Článek v odborném periodiku Zařazení RIV J - Článek v odborném periodiku Poddruh J Článek ve WOS Název Lignans Extract from Knotwood of Norway Spruce-A Possible New Weapon against GTDs Tvůrce(i) Špetík, M. (CZ)
Balík, J. (CZ)
Híc, P. (CZ)
Hakalová, E. (CZ)
Štůsková, K. (CZ)
Frejlichová, L. (CZ)
Tříska, Jan (UEK-B) RID, ORCID, SAI
Eichmeier, A. (CZ)Celkový počet autorů 8 Číslo článku 357 Zdroj.dok. Journal of Fungi. - : MDPI
Roč. 8, č. 4 (2022)Poč.str. 19 s. Jazyk dok. eng - angličtina Země vyd. CH - Švýcarsko Klíč. slova grapevine trunk diseases ; pruning wound protection ; eutypa-lata ; picea-abies ; black-foot ; molecular-identification ; propagation process ; biocontrol agents ; young grapevines ; diplodia-seriata ; bioprotection ; gtd ; grapevine ; hmr ; 7-hydroxymatairesinol ; wood extract ; Norway spruce Vědní obor RIV EE - Mikrobiologie, virologie Obor OECD Microbiology Způsob publikování Open access Institucionální podpora UEK-B - RVO:86652079 UT WOS 000786993100001 EID SCOPUS 85128369544 DOI 10.3390/jof8040357 Anotace Grapevine trunk diseases (GTDs) pose a major threat to the wine industry worldwide. Currently, efficient biological methods or chemical compounds are not available for the treatment of infected grapevines. In the present study, we used an extract from the knotwood of spruce trees as a biological control against GTDs. Our in vitro trial was focused on the antifungal effects of the extract against the most common GTD pathogens-Cadophora luteo-olivacea, Dactylonectria torresensis, Diaporthe ampelina, Diaporthe bohemiae, Diplodia seriata, Eutypa lata, and Phaeoacremonium minimum. Our in vitro trial revealed a high antifungal effect of the extract against all tested fungi. The inhibition rates varied among the different species from 30% to 100% using 1 mg center dot mL(-1) extract. Subsequently, the efficiency of the extract was supported by an in planta experiment. Commercial grafts of Vitis vinifera were treated with the extract and planted. The total genomic DNA of grapevines was extracted 10 days and 180 days after the treatment. The fungal microbial diversities of the treated/untreated plants were compared using high-throughput amplicon sequencing (HTAS). Treated plants showed 76.9% lower relative abundance of the genus Diaporthe and 70% lower relative abundance of the genus Phaeoacremonium 10 days after treatment. A similar scenario was observed for the genus Cadophora 180 days after treatment, where treated plants showed 76% lower relative abundance of this genus compared with untreated grapevines. Pracoviště Ústav výzkumu globální změny Kontakt Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Rok sběru 2023 Elektronická adresa https://www.researchgate.net/publication/359587875_Lignans_Extract_from_Knotwood_of_Norway_Spruce-A_Possible_New_Weapon_against_GTDs
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